changed key derivation function, using scrypt (from tarsnap) now instead of my own derivation function

Makefile.in

@@ -1,4 +1,4 @@
-# Makefile.in generated by automake 1.12.4 from Makefile.am.
+# Makefile.in generated by automake 1.12.6 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994-2012 Free Software Foundation, Inc.

aclocal.m4

@@ -1,4 +1,4 @@
-# generated automatically by aclocal 1.12.4 -*- Autoconf -*-
+# generated automatically by aclocal 1.12.6 -*- Autoconf -*-
 
 # Copyright (C) 1996-2012 Free Software Foundation, Inc.
 
@@ -34,7 +34,7 @@ AC_DEFUN([AM_AUTOMAKE_VERSION],
 [am__api_version='1.12'
 dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
 dnl require some minimum version.  Point them to the right macro.
-m4_if([$1], [1.12.4], [],
+m4_if([$1], [1.12.6], [],
       [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
 ])
 
@@ -50,7 +50,7 @@ m4_define([_AM_AUTOCONF_VERSION], [])
 # Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
 # This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
 AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
-[AM_AUTOMAKE_VERSION([1.12.4])dnl
+[AM_AUTOMAKE_VERSION([1.12.6])dnl
 m4_ifndef([AC_AUTOCONF_VERSION],
   [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
 _AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])

bindings/cpp/Makefile.am

@@ -18,7 +18,7 @@
 #
 #    You can contact me by mail: <tlinden AT cpan DOT org>.
 #
-AM_CXXFLAGS = -I../../include -Wall -g
+AM_CXXFLAGS = -I../../include -I../../libpcp/scrypt/crypto -I../../libpcp/scrypt/util -Wall -g
 
 lib_LTLIBRARIES      = libpcp1++.la
 

bindings/cpp/Makefile.in

@@ -1,4 +1,4 @@
-# Makefile.in generated by automake 1.12.4 from Makefile.am.
+# Makefile.in generated by automake 1.12.6 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994-2012 Free Software Foundation, Inc.
@@ -270,7 +270,7 @@ top_srcdir = @top_srcdir@
 #
 #    You can contact me by mail: <tlinden AT cpan DOT org>.
 #
-AM_CXXFLAGS = -I../../include -Wall -g
+AM_CXXFLAGS = -I../../include -I../../libpcp/scrypt/crypto -I../../libpcp/scrypt/util -Wall -g
 lib_LTLIBRARIES = libpcp1++.la
 libpcp1___la_SOURCES = pcp++.h key.cpp vault.cpp crypto.cpp sign.cpp
 include_HEADERS = pcp++.h

config/compile

@@ -1,7 +1,7 @@
 #! /bin/sh
 # Wrapper for compilers which do not understand '-c -o'.
 
-scriptversion=2012-03-05.13; # UTC
+scriptversion=2012-10-14.11; # UTC
 
 # Copyright (C) 1999-2012 Free Software Foundation, Inc.
 # Written by Tom Tromey <tromey@cygnus.com>.
@@ -112,6 +112,11 @@ func_cl_dashl ()
       lib=$dir/$lib.lib
       break
     fi
+    if test -f "$dir/lib$lib.a"; then
+      found=yes
+      lib=$dir/lib$lib.a
+      break
+    fi
   done
   IFS=$save_IFS
 

config/config.sub

@@ -1,42 +1,40 @@
 #! /bin/sh
 # Configuration validation subroutine script.
-#   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+#   Copyright 1992-2013 Free Software Foundation, Inc.
-#   2000, 2001, 2002, 2003 Free Software Foundation, Inc.
 
-timestamp='2003-07-04'
+timestamp='2013-04-24'
 
-# This file is (in principle) common to ALL GNU software.
+# This file is free software; you can redistribute it and/or modify it
-# The presence of a machine in this file suggests that SOME GNU software
+# under the terms of the GNU General Public License as published by
-# can handle that machine.  It does not imply ALL GNU software can.
+# the Free Software Foundation; either version 3 of the License, or
-#
-# This file is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
 # (at your option) any later version.
 #
-# This program is distributed in the hope that it will be useful,
+# This program is distributed in the hope that it will be useful, but
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-# GNU General Public License for more details.
+# General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
-# Foundation, Inc., 59 Temple Place - Suite 330,
+#
-# Boston, MA 02111-1307, USA.
-
 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
 # configuration script generated by Autoconf, you may include it under
-# the same distribution terms that you use for the rest of that program.
+# the same distribution terms that you use for the rest of that
+# program.  This Exception is an additional permission under section 7
+# of the GNU General Public License, version 3 ("GPLv3").
 
-# Please send patches to <config-patches@gnu.org>.  Submit a context
+
-# diff and a properly formatted ChangeLog entry.
+# Please send patches with a ChangeLog entry to config-patches@gnu.org.
 #
 # Configuration subroutine to validate and canonicalize a configuration type.
 # Supply the specified configuration type as an argument.
 # If it is invalid, we print an error message on stderr and exit with code 1.
 # Otherwise, we print the canonical config type on stdout and succeed.
 
+# You can get the latest version of this script from:
+# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD
+
 # This file is supposed to be the same for all GNU packages
 # and recognize all the CPU types, system types and aliases
 # that are meaningful with *any* GNU software.
@@ -70,8 +68,7 @@ Report bugs and patches to <config-patches@gnu.org>."
 version="\
 GNU config.sub ($timestamp)
 
-Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
+Copyright 1992-2013 Free Software Foundation, Inc.
-Free Software Foundation, Inc.
 
 This is free software; see the source for copying conditions.  There is NO
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
@@ -83,11 +80,11 @@ Try \`$me --help' for more information."
 while test $# -gt 0 ; do
   case $1 in
     --time-stamp | --time* | -t )
-       echo "$timestamp" ; exit 0 ;;
+       echo "$timestamp" ; exit ;;
     --version | -v )
-       echo "$version" ; exit 0 ;;
+       echo "$version" ; exit ;;
     --help | --h* | -h )
-       echo "$usage"; exit 0 ;;
+       echo "$usage"; exit ;;
     -- )     # Stop option processing
        shift; break ;;
     - )	# Use stdin as input.
@@ -99,7 +96,7 @@ while test $# -gt 0 ; do
     *local*)
        # First pass through any local machine types.
        echo $1
-       exit 0;;
+       exit ;;
 
     * )
        break ;;
@@ -118,10 +115,18 @@ esac
 # Here we must recognize all the valid KERNEL-OS combinations.
 maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
 case $maybe_os in
-  nto-qnx* | linux-gnu* | kfreebsd*-gnu* | netbsd*-gnu* | storm-chaos* | os2-emx* | rtmk-nova*)
+  nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \
+  linux-musl* | linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \
+  knetbsd*-gnu* | netbsd*-gnu* | \
+  kopensolaris*-gnu* | \
+  storm-chaos* | os2-emx* | rtmk-nova*)
     os=-$maybe_os
     basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`
     ;;
+  android-linux)
+    os=-linux-android
+    basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`-unknown
+    ;;
   *)
     basic_machine=`echo $1 | sed 's/-[^-]*$//'`
     if [ $basic_machine != $1 ]
@@ -144,10 +149,13 @@ case $os in
 	-convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\
 	-c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \
 	-harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \
-	-apple | -axis)
+	-apple | -axis | -knuth | -cray | -microblaze*)
 		os=
 		basic_machine=$1
 		;;
+	-bluegene*)
+		os=-cnk
+		;;
 	-sim | -cisco | -oki | -wec | -winbond)
 		os=
 		basic_machine=$1
@@ -162,13 +170,17 @@ case $os in
 		os=-chorusos
 		basic_machine=$1
 		;;
- 	-chorusrdb)
+	-chorusrdb)
- 		os=-chorusrdb
+		os=-chorusrdb
 		basic_machine=$1
- 		;;
+		;;
 	-hiux*)
 		os=-hiuxwe2
 		;;
+	-sco6)
+		os=-sco5v6
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
 	-sco5)
 		os=-sco3.2v5
 		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
@@ -185,6 +197,10 @@ case $os in
 		# Don't forget version if it is 3.2v4 or newer.
 		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
 		;;
+	-sco5v6*)
+		# Don't forget version if it is 3.2v4 or newer.
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
 	-sco*)
 		os=-sco3.2v2
 		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
@@ -202,6 +218,12 @@ case $os in
 	-isc*)
 		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
 		;;
+	-lynx*178)
+		os=-lynxos178
+		;;
+	-lynx*5)
+		os=-lynxos5
+		;;
 	-lynx*)
 		os=-lynxos
 		;;
@@ -226,55 +248,106 @@ case $basic_machine in
 	# Some are omitted here because they have special meanings below.
 	1750a | 580 \
 	| a29k \
+	| aarch64 | aarch64_be \
 	| alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \
 	| alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \
-	| arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr \
+	| am33_2.0 \
+	| arc | arceb \
+	| arm | arm[bl]e | arme[lb] | armv[2-8] | armv[3-8][lb] | armv7[arm] \
+	| avr | avr32 \
+	| be32 | be64 \
+	| bfin \
 	| c4x | clipper \
 	| d10v | d30v | dlx | dsp16xx \
-	| fr30 | frv \
+	| epiphany \
+	| fido | fr30 | frv \
 	| h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
+	| hexagon \
 	| i370 | i860 | i960 | ia64 \
-	| ip2k \
+	| ip2k | iq2000 \
-	| m32r | m68000 | m68k | m88k | mcore \
+	| le32 | le64 \
+	| lm32 \
+	| m32c | m32r | m32rle | m68000 | m68k | m88k \
+	| maxq | mb | microblaze | microblazeel | mcore | mep | metag \
 	| mips | mipsbe | mipseb | mipsel | mipsle \
 	| mips16 \
 	| mips64 | mips64el \
-	| mips64vr | mips64vrel \
+	| mips64octeon | mips64octeonel \
 	| mips64orion | mips64orionel \
+	| mips64r5900 | mips64r5900el \
+	| mips64vr | mips64vrel \
 	| mips64vr4100 | mips64vr4100el \
 	| mips64vr4300 | mips64vr4300el \
 	| mips64vr5000 | mips64vr5000el \
+	| mips64vr5900 | mips64vr5900el \
 	| mipsisa32 | mipsisa32el \
 	| mipsisa32r2 | mipsisa32r2el \
 	| mipsisa64 | mipsisa64el \
+	| mipsisa64r2 | mipsisa64r2el \
 	| mipsisa64sb1 | mipsisa64sb1el \
 	| mipsisa64sr71k | mipsisa64sr71kel \
+	| mipsr5900 | mipsr5900el \
 	| mipstx39 | mipstx39el \
 	| mn10200 | mn10300 \
+	| moxie \
+	| mt \
 	| msp430 \
+	| nds32 | nds32le | nds32be \
+	| nios | nios2 | nios2eb | nios2el \
 	| ns16k | ns32k \
-	| openrisc | or32 \
+	| open8 \
+	| or1k | or32 \
 	| pdp10 | pdp11 | pj | pjl \
-	| powerpc | powerpc64 | powerpc64le | powerpcle | ppcbe \
+	| powerpc | powerpc64 | powerpc64le | powerpcle \
 	| pyramid \
-	| sh | sh[1234] | sh[23]e | sh[34]eb | shbe | shle | sh[1234]le | sh3ele \
+	| rl78 | rx \
+	| score \
+	| sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \
 	| sh64 | sh64le \
-	| sparc | sparc64 | sparc86x | sparclet | sparclite | sparcv9 | sparcv9b \
+	| sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \
-	| strongarm \
+	| sparcv8 | sparcv9 | sparcv9b | sparcv9v \
-	| tahoe | thumb | tic4x | tic80 | tron \
+	| spu \
-	| v850 | v850e \
+	| tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \
+	| ubicom32 \
+	| v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \
 	| we32k \
-	| x86 | xscale | xstormy16 | xtensa \
+	| x86 | xc16x | xstormy16 | xtensa \
-	| z8k)
+	| z8k | z80)
 		basic_machine=$basic_machine-unknown
 		;;
-	m6811 | m68hc11 | m6812 | m68hc12)
+	c54x)
-		# Motorola 68HC11/12.
+		basic_machine=tic54x-unknown
+		;;
+	c55x)
+		basic_machine=tic55x-unknown
+		;;
+	c6x)
+		basic_machine=tic6x-unknown
+		;;
+	m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | picochip)
 		basic_machine=$basic_machine-unknown
 		os=-none
 		;;
 	m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k)
 		;;
+	ms1)
+		basic_machine=mt-unknown
+		;;
+
+	strongarm | thumb | xscale)
+		basic_machine=arm-unknown
+		;;
+	xgate)
+		basic_machine=$basic_machine-unknown
+		os=-none
+		;;
+	xscaleeb)
+		basic_machine=armeb-unknown
+		;;
+
+	xscaleel)
+		basic_machine=armel-unknown
+		;;
 
 	# We use `pc' rather than `unknown'
 	# because (1) that's what they normally are, and
@@ -290,58 +363,82 @@ case $basic_machine in
 	# Recognize the basic CPU types with company name.
 	580-* \
 	| a29k-* \
+	| aarch64-* | aarch64_be-* \
 	| alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \
 	| alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \
-	| alphapca5[67]-* | alpha64pca5[67]-* | amd64-* | arc-* \
+	| alphapca5[67]-* | alpha64pca5[67]-* | amd64-* | arc-* | arceb-* \
 	| arm-*  | armbe-* | armle-* | armeb-* | armv*-* \
-	| avr-* \
+	| avr-* | avr32-* \
-	| bs2000-* \
+	| be32-* | be64-* \
-	| c[123]* | c30-* | [cjt]90-* | c4x-* | c54x-* | c55x-* | c6x-* \
+	| bfin-* | bs2000-* \
-	| clipper-* | cydra-* \
+	| c[123]* | c30-* | [cjt]90-* | c4x-* \
+	| clipper-* | craynv-* | cydra-* \
 	| d10v-* | d30v-* | dlx-* \
 	| elxsi-* \
-	| f30[01]-* | f700-* | fr30-* | frv-* | fx80-* \
+	| f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \
 	| h8300-* | h8500-* \
 	| hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \
+	| hexagon-* \
 	| i*86-* | i860-* | i960-* | ia64-* \
-	| ip2k-* \
+	| ip2k-* | iq2000-* \
-	| m32r-* \
+	| le32-* | le64-* \
+	| lm32-* \
+	| m32c-* | m32r-* | m32rle-* \
 	| m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \
-	| m88110-* | m88k-* | mcore-* \
+	| m88110-* | m88k-* | maxq-* | mcore-* | metag-* \
+	| microblaze-* | microblazeel-* \
 	| mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \
 	| mips16-* \
 	| mips64-* | mips64el-* \
-	| mips64vr-* | mips64vrel-* \
+	| mips64octeon-* | mips64octeonel-* \
 	| mips64orion-* | mips64orionel-* \
+	| mips64r5900-* | mips64r5900el-* \
+	| mips64vr-* | mips64vrel-* \
 	| mips64vr4100-* | mips64vr4100el-* \
 	| mips64vr4300-* | mips64vr4300el-* \
 	| mips64vr5000-* | mips64vr5000el-* \
+	| mips64vr5900-* | mips64vr5900el-* \
 	| mipsisa32-* | mipsisa32el-* \
 	| mipsisa32r2-* | mipsisa32r2el-* \
 	| mipsisa64-* | mipsisa64el-* \
+	| mipsisa64r2-* | mipsisa64r2el-* \
 	| mipsisa64sb1-* | mipsisa64sb1el-* \
 	| mipsisa64sr71k-* | mipsisa64sr71kel-* \
+	| mipsr5900-* | mipsr5900el-* \
 	| mipstx39-* | mipstx39el-* \
+	| mmix-* \
+	| mt-* \
 	| msp430-* \
-	| none-* | np1-* | nv1-* | ns16k-* | ns32k-* \
+	| nds32-* | nds32le-* | nds32be-* \
+	| nios-* | nios2-* | nios2eb-* | nios2el-* \
+	| none-* | np1-* | ns16k-* | ns32k-* \
+	| open8-* \
 	| orion-* \
 	| pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \
-	| powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* | ppcbe-* \
+	| powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \
 	| pyramid-* \
-	| romp-* | rs6000-* \
+	| rl78-* | romp-* | rs6000-* | rx-* \
-	| sh-* | sh[1234]-* | sh[23]e-* | sh[34]eb-* | shbe-* \
+	| sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \
 	| shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \
-	| sparc-* | sparc64-* | sparc86x-* | sparclet-* | sparclite-* \
+	| sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \
-	| sparcv9-* | sparcv9b-* | strongarm-* | sv1-* | sx?-* \
+	| sparclite-* \
-	| tahoe-* | thumb-* \
+	| sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx?-* \
+	| tahoe-* \
 	| tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \
+	| tile*-* \
 	| tron-* \
-	| v850-* | v850e-* | vax-* \
+	| ubicom32-* \
+	| v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \
+	| vax-* \
 	| we32k-* \
-	| x86-* | x86_64-* | xps100-* | xscale-* | xstormy16-* \
+	| x86-* | x86_64-* | xc16x-* | xps100-* \
-	| xtensa-* \
+	| xstormy16-* | xtensa*-* \
 	| ymp-* \
-	| z8k-*)
+	| z8k-* | z80-*)
+		;;
+	# Recognize the basic CPU types without company name, with glob match.
+	xtensa*)
+		basic_machine=$basic_machine-unknown
 		;;
 	# Recognize the various machine names and aliases which stand
 	# for a CPU type and a company and sometimes even an OS.
@@ -359,6 +456,9 @@ case $basic_machine in
 		basic_machine=a29k-amd
 		os=-udi
 		;;
+	abacus)
+		basic_machine=abacus-unknown
+		;;
 	adobe68k)
 		basic_machine=m68010-adobe
 		os=-scout
@@ -373,9 +473,6 @@ case $basic_machine in
 		basic_machine=a29k-none
 		os=-bsd
 		;;
-	amd64)
-		basic_machine=x86_64-pc
-		;;
 	amdahl)
 		basic_machine=580-amdahl
 		os=-sysv
@@ -399,6 +496,10 @@ case $basic_machine in
 		basic_machine=m68k-apollo
 		os=-bsd
 		;;
+	aros)
+		basic_machine=i386-pc
+		os=-aros
+		;;
 	aux)
 		basic_machine=m68k-apple
 		os=-aux
@@ -407,10 +508,35 @@ case $basic_machine in
 		basic_machine=ns32k-sequent
 		os=-dynix
 		;;
+	blackfin)
+		basic_machine=bfin-unknown
+		os=-linux
+		;;
+	blackfin-*)
+		basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'`
+		os=-linux
+		;;
+	bluegene*)
+		basic_machine=powerpc-ibm
+		os=-cnk
+		;;
+	c54x-*)
+		basic_machine=tic54x-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	c55x-*)
+		basic_machine=tic55x-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	c6x-*)
+		basic_machine=tic6x-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
 	c90)
 		basic_machine=c90-cray
 		os=-unicos
 		;;
+	cegcc)
+		basic_machine=arm-unknown
+		os=-cegcc
+		;;
 	convex-c1)
 		basic_machine=c1-convex
 		os=-bsd
@@ -435,12 +561,27 @@ case $basic_machine in
 		basic_machine=j90-cray
 		os=-unicos
 		;;
+	craynv)
+		basic_machine=craynv-cray
+		os=-unicosmp
+		;;
+	cr16 | cr16-*)
+		basic_machine=cr16-unknown
+		os=-elf
+		;;
 	crds | unos)
 		basic_machine=m68k-crds
 		;;
+	crisv32 | crisv32-* | etraxfs*)
+		basic_machine=crisv32-axis
+		;;
 	cris | cris-* | etrax*)
 		basic_machine=cris-axis
 		;;
+	crx)
+		basic_machine=crx-unknown
+		os=-elf
+		;;
 	da30 | da30-*)
 		basic_machine=m68k-da30
 		;;
@@ -463,6 +604,14 @@ case $basic_machine in
 		basic_machine=m88k-motorola
 		os=-sysv3
 		;;
+	dicos)
+		basic_machine=i686-pc
+		os=-dicos
+		;;
+	djgpp)
+		basic_machine=i586-pc
+		os=-msdosdjgpp
+		;;
 	dpx20 | dpx20-*)
 		basic_machine=rs6000-bull
 		os=-bosx
@@ -574,7 +723,6 @@ case $basic_machine in
 	i370-ibm* | ibm*)
 		basic_machine=i370-ibm
 		;;
-# I'm not sure what "Sysv32" means.  Should this be sysv3.2?
 	i*86v32)
 		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
 		os=-sysv32
@@ -613,6 +761,14 @@ case $basic_machine in
 		basic_machine=m68k-isi
 		os=-sysv
 		;;
+	m68knommu)
+		basic_machine=m68k-unknown
+		os=-linux
+		;;
+	m68knommu-*)
+		basic_machine=m68k-`echo $basic_machine | sed 's/^[^-]*-//'`
+		os=-linux
+		;;
 	m88k-omron*)
 		basic_machine=m88k-omron
 		;;
@@ -624,10 +780,21 @@ case $basic_machine in
 		basic_machine=ns32k-utek
 		os=-sysv
 		;;
+	microblaze*)
+		basic_machine=microblaze-xilinx
+		;;
+	mingw64)
+		basic_machine=x86_64-pc
+		os=-mingw64
+		;;
 	mingw32)
 		basic_machine=i386-pc
 		os=-mingw32
 		;;
+	mingw32ce)
+		basic_machine=arm-unknown
+		os=-mingw32ce
+		;;
 	miniframe)
 		basic_machine=m68000-convergent
 		;;
@@ -641,10 +808,6 @@ case $basic_machine in
 	mips3*)
 		basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
 		;;
-	mmix*)
-		basic_machine=mmix-knuth
-		os=-mmixware
-		;;
 	monitor)
 		basic_machine=m68k-rom68k
 		os=-coff
@@ -657,10 +820,21 @@ case $basic_machine in
 		basic_machine=i386-pc
 		os=-msdos
 		;;
+	ms1-*)
+		basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'`
+		;;
+	msys)
+		basic_machine=i386-pc
+		os=-msys
+		;;
 	mvs)
 		basic_machine=i370-ibm
 		os=-mvs
 		;;
+	nacl)
+		basic_machine=le32-unknown
+		os=-nacl
+		;;
 	ncr3000)
 		basic_machine=i486-ncr
 		os=-sysv4
@@ -725,9 +899,11 @@ case $basic_machine in
 	np1)
 		basic_machine=np1-gould
 		;;
-	nv1)
+	neo-tandem)
-		basic_machine=nv1-cray
+		basic_machine=neo-tandem
-		os=-unicosmp
+		;;
+	nse-tandem)
+		basic_machine=nse-tandem
 		;;
 	nsr-tandem)
 		basic_machine=nsr-tandem
@@ -736,9 +912,12 @@ case $basic_machine in
 		basic_machine=hppa1.1-oki
 		os=-proelf
 		;;
-	or32 | or32-*)
+	openrisc | openrisc-*)
 		basic_machine=or32-unknown
-		os=-coff
+		;;
+	os400)
+		basic_machine=powerpc-ibm
+		os=-os400
 		;;
 	OSE68000 | ose68000)
 		basic_machine=m68000-ericsson
@@ -756,6 +935,14 @@ case $basic_machine in
 		basic_machine=i860-intel
 		os=-osf
 		;;
+	parisc)
+		basic_machine=hppa-unknown
+		os=-linux
+		;;
+	parisc-*)
+		basic_machine=hppa-`echo $basic_machine | sed 's/^[^-]*-//'`
+		os=-linux
+		;;
 	pbd)
 		basic_machine=sparc-tti
 		;;
@@ -765,6 +952,12 @@ case $basic_machine in
 	pc532 | pc532-*)
 		basic_machine=ns32k-pc532
 		;;
+	pc98)
+		basic_machine=i386-pc
+		;;
+	pc98-*)
+		basic_machine=i386-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
 	pentium | p5 | k5 | k6 | nexgen | viac3)
 		basic_machine=i586-pc
 		;;
@@ -794,9 +987,10 @@ case $basic_machine in
 		;;
 	power)	basic_machine=power-ibm
 		;;
-	ppc)	basic_machine=powerpc-unknown
+	ppc | ppcbe)	basic_machine=powerpc-unknown
 		;;
-	ppc-*)	basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
+	ppc-* | ppcbe-*)
+		basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
 		;;
 	ppcle | powerpclittle | ppc-le | powerpc-little)
 		basic_machine=powerpcle-unknown
@@ -821,6 +1015,14 @@ case $basic_machine in
 		basic_machine=i586-unknown
 		os=-pw32
 		;;
+	rdos | rdos64)
+		basic_machine=x86_64-pc
+		os=-rdos
+		;;
+	rdos32)
+		basic_machine=i386-pc
+		os=-rdos
+		;;
 	rom68k)
 		basic_machine=m68k-rom68k
 		os=-coff
@@ -847,6 +1049,10 @@ case $basic_machine in
 	sb1el)
 		basic_machine=mipsisa64sb1el-unknown
 		;;
+	sde)
+		basic_machine=mipsisa32-sde
+		os=-elf
+		;;
 	sei)
 		basic_machine=mips-sei
 		os=-seiux
@@ -858,6 +1064,9 @@ case $basic_machine in
 		basic_machine=sh-hitachi
 		os=-hms
 		;;
+	sh5el)
+		basic_machine=sh5le-unknown
+		;;
 	sh64)
 		basic_machine=sh64-unknown
 		;;
@@ -879,6 +1088,9 @@ case $basic_machine in
 		basic_machine=i860-stratus
 		os=-sysv4
 		;;
+	strongarm-* | thumb-*)
+		basic_machine=arm-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
 	sun2)
 		basic_machine=m68000-sun
 		;;
@@ -935,17 +1147,9 @@ case $basic_machine in
 		basic_machine=t90-cray
 		os=-unicos
 		;;
-	tic54x | c54x*)
+	tile*)
-		basic_machine=tic54x-unknown
+		basic_machine=$basic_machine-unknown
-		os=-coff
+		os=-linux-gnu
-		;;
-	tic55x | c55x*)
-		basic_machine=tic55x-unknown
-		os=-coff
-		;;
-	tic6x | c6x*)
-		basic_machine=tic6x-unknown
-		os=-coff
 		;;
 	tx39)
 		basic_machine=mipstx39-unknown
@@ -960,6 +1164,10 @@ case $basic_machine in
 	tower | tower-32)
 		basic_machine=m68k-ncr
 		;;
+	tpf)
+		basic_machine=s390x-ibm
+		os=-tpf
+		;;
 	udi29k)
 		basic_machine=a29k-amd
 		os=-udi
@@ -1003,9 +1211,16 @@ case $basic_machine in
 		basic_machine=hppa1.1-winbond
 		os=-proelf
 		;;
+	xbox)
+		basic_machine=i686-pc
+		os=-mingw32
+		;;
 	xps | xps100)
 		basic_machine=xps100-honeywell
 		;;
+	xscale-* | xscalee[bl]-*)
+		basic_machine=`echo $basic_machine | sed 's/^xscale/arm/'`
+		;;
 	ymp)
 		basic_machine=ymp-cray
 		os=-unicos
@@ -1014,6 +1229,10 @@ case $basic_machine in
 		basic_machine=z8k-unknown
 		os=-sim
 		;;
+	z80-*-coff)
+		basic_machine=z80-unknown
+		os=-sim
+		;;
 	none)
 		basic_machine=none-none
 		os=-none
@@ -1033,6 +1252,9 @@ case $basic_machine in
 	romp)
 		basic_machine=romp-ibm
 		;;
+	mmix)
+		basic_machine=mmix-knuth
+		;;
 	rs6000)
 		basic_machine=rs6000-ibm
 		;;
@@ -1049,13 +1271,10 @@ case $basic_machine in
 	we32k)
 		basic_machine=we32k-att
 		;;
-	sh3 | sh4 | sh[34]eb | sh[1234]le | sh[23]ele)
+	sh[1234] | sh[24]a | sh[24]aeb | sh[34]eb | sh[1234]le | sh[23]ele)
 		basic_machine=sh-unknown
 		;;
-	sh64)
+	sparc | sparcv8 | sparcv9 | sparcv9b | sparcv9v)
-		basic_machine=sh64-unknown
-		;;
-	sparc | sparcv9 | sparcv9b)
 		basic_machine=sparc-sun
 		;;
 	cydra)
@@ -1099,9 +1318,12 @@ esac
 if [ x"$os" != x"" ]
 then
 case $os in
-        # First match some system type aliases
+	# First match some system type aliases
-        # that might get confused with valid system types.
+	# that might get confused with valid system types.
 	# -solaris* is a basic system type, with this one exception.
+	-auroraux)
+		os=-auroraux
+		;;
 	-solaris1 | -solaris1.*)
 		os=`echo $os | sed -e 's|solaris1|sunos4|'`
 		;;
@@ -1122,25 +1344,31 @@ case $os in
 	# Each alternative MUST END IN A *, to match a version number.
 	# -sysv* is not here because it comes later, after sysvr4.
 	-gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
-	      | -*vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[34]*\
+	      | -*vms* | -sco* | -esix* | -isc* | -aix* | -cnk* | -sunos | -sunos[34]*\
-	      | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
+	      | -hpux* | -unos* | -osf* | -luna* | -dgux* | -auroraux* | -solaris* \
+	      | -sym* | -kopensolaris* | -plan9* \
 	      | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
-	      | -aos* \
+	      | -aos* | -aros* \
 	      | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
 	      | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
-	      | -hiux* | -386bsd* | -netbsd* | -openbsd* | -kfreebsd* | -freebsd* | -riscix* \
+	      | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \
-	      | -lynxos* | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \
+	      | -bitrig* | -openbsd* | -solidbsd* \
+	      | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \
+	      | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \
 	      | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
 	      | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
-	      | -chorusos* | -chorusrdb* \
+	      | -chorusos* | -chorusrdb* | -cegcc* \
-	      | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
+	      | -cygwin* | -msys* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
-	      | -mingw32* | -linux-gnu* | -uxpv* | -beos* | -mpeix* | -udk* \
+	      | -mingw32* | -mingw64* | -linux-gnu* | -linux-android* \
+	      | -linux-newlib* | -linux-musl* | -linux-uclibc* \
+	      | -uxpv* | -beos* | -mpeix* | -udk* \
 	      | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \
 	      | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
 	      | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \
 	      | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \
 	      | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \
-	      | -powermax* | -dnix* | -nx6 | -nx7 | -sei*)
+	      | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \
+	      | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es*)
 	# Remember, each alternative MUST END IN *, to match a version number.
 		;;
 	-qnx*)
@@ -1158,12 +1386,15 @@ case $os in
 		os=`echo $os | sed -e 's|nto|nto-qnx|'`
 		;;
 	-sim | -es1800* | -hms* | -xray | -os68k* | -none* | -v88r* \
-	      | -windows* | -osx | -abug | -netware* | -os9* | -beos* \
+	      | -windows* | -osx | -abug | -netware* | -os9* | -beos* | -haiku* \
 	      | -macos* | -mpw* | -magic* | -mmixware* | -mon960* | -lnews*)
 		;;
 	-mac*)
 		os=`echo $os | sed -e 's|mac|macos|'`
 		;;
+	-linux-dietlibc)
+		os=-linux-dietlibc
+		;;
 	-linux*)
 		os=`echo $os | sed -e 's|linux|linux-gnu|'`
 		;;
@@ -1176,6 +1407,9 @@ case $os in
 	-opened*)
 		os=-openedition
 		;;
+	-os400*)
+		os=-os400
+		;;
 	-wince*)
 		os=-wince
 		;;
@@ -1197,6 +1431,9 @@ case $os in
 	-atheos*)
 		os=-atheos
 		;;
+	-syllable*)
+		os=-syllable
+		;;
 	-386bsd)
 		os=-bsd
 		;;
@@ -1219,6 +1456,9 @@ case $os in
 	-sinix*)
 		os=-sysv4
 		;;
+	-tpf*)
+		os=-tpf
+		;;
 	-triton*)
 		os=-sysv3
 		;;
@@ -1252,8 +1492,13 @@ case $os in
 	-aros*)
 		os=-aros
 		;;
-	-kaos*)
+	-zvmoe)
-		os=-kaos
+		os=-zvmoe
+		;;
+	-dicos*)
+		os=-dicos
+		;;
+	-nacl*)
 		;;
 	-none)
 		;;
@@ -1277,6 +1522,12 @@ else
 # system, and we'll never get to this point.
 
 case $basic_machine in
+	score-*)
+		os=-elf
+		;;
+	spu-*)
+		os=-elf
+		;;
 	*-acorn)
 		os=-riscix1.2
 		;;
@@ -1286,9 +1537,21 @@ case $basic_machine in
 	arm*-semi)
 		os=-aout
 		;;
-    c4x-* | tic4x-*)
+	c4x-* | tic4x-*)
-        os=-coff
+		os=-coff
-        ;;
+		;;
+	hexagon-*)
+		os=-elf
+		;;
+	tic54x-*)
+		os=-coff
+		;;
+	tic55x-*)
+		os=-coff
+		;;
+	tic6x-*)
+		os=-coff
+		;;
 	# This must come before the *-dec entry.
 	pdp10-*)
 		os=-tops20
@@ -1307,19 +1570,22 @@ case $basic_machine in
 		;;
 	m68000-sun)
 		os=-sunos3
-		# This also exists in the configure program, but was not the
-		# default.
-		# os=-sunos4
 		;;
 	m68*-cisco)
 		os=-aout
 		;;
+	mep-*)
+		os=-elf
+		;;
 	mips*-cisco)
 		os=-elf
 		;;
 	mips*-*)
 		os=-elf
 		;;
+	or1k-*)
+		os=-elf
+		;;
 	or32-*)
 		os=-coff
 		;;
@@ -1332,9 +1598,15 @@ case $basic_machine in
 	*-be)
 		os=-beos
 		;;
+	*-haiku)
+		os=-haiku
+		;;
 	*-ibm)
 		os=-aix
 		;;
+	*-knuth)
+		os=-mmixware
+		;;
 	*-wec)
 		os=-proelf
 		;;
@@ -1437,7 +1709,7 @@ case $basic_machine in
 			-sunos*)
 				vendor=sun
 				;;
-			-aix*)
+			-cnk*|-aix*)
 				vendor=ibm
 				;;
 			-beos*)
@@ -1467,9 +1739,15 @@ case $basic_machine in
 			-mvs* | -opened*)
 				vendor=ibm
 				;;
+			-os400*)
+				vendor=ibm
+				;;
 			-ptx*)
 				vendor=sequent
 				;;
+			-tpf*)
+				vendor=ibm
+				;;
 			-vxsim* | -vxworks* | -windiss*)
 				vendor=wrs
 				;;
@@ -1494,7 +1772,7 @@ case $basic_machine in
 esac
 
 echo $basic_machine$os
-exit 0
+exit
 
 # Local variables:
 # eval: (add-hook 'write-file-hooks 'time-stamp)

config/depcomp

@@ -74,6 +74,9 @@ tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
 
 rm -f "$tmpdepfile"
 
+# Avoid interferences from the environment.
+gccflag= dashmflag=
+
 # Some modes work just like other modes, but use different flags.  We
 # parameterize here, but still list the modes in the big case below,
 # to make depend.m4 easier to write.  Note that we *cannot* use a case
@@ -108,7 +111,7 @@ if test "$depmode" = msvc7msys; then
 fi
 
 if test "$depmode" = xlc; then
-   # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency informations.
+   # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
    gccflag=-qmakedep=gcc,-MF
    depmode=gcc
 fi
@@ -142,13 +145,17 @@ gcc3)
   ;;
 
 gcc)
+## Note that this doesn't just cater to obsosete pre-3.x GCC compilers.
+## but also to in-use compilers like IMB xlc/xlC and the HP C compiler.
+## (see the conditional assignment to $gccflag above).
 ## There are various ways to get dependency output from gcc.  Here's
 ## why we pick this rather obscure method:
 ## - Don't want to use -MD because we'd like the dependencies to end
 ##   up in a subdir.  Having to rename by hand is ugly.
 ##   (We might end up doing this anyway to support other compilers.)
 ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
-##   -MM, not -M (despite what the docs say).
+##   -MM, not -M (despite what the docs say).  Also, it might not be
+##   supported by the other compilers which use the 'gcc' depmode.
 ## - Using -M directly means running the compiler twice (even worse
 ##   than renaming).
   if test -z "$gccflag"; then

config/libtool.m4

@@ -1,8 +1,8 @@
 # libtool.m4 - Configure libtool for the host system. -*-Autoconf-*-
 #
 #   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,
-#                 2006, 2007, 2008, 2009, 2010 Free Software Foundation,
+#                 2006, 2007, 2008, 2009, 2010, 2011 Free Software
-#                 Inc.
+#                 Foundation, Inc.
 #   Written by Gordon Matzigkeit, 1996
 #
 # This file is free software; the Free Software Foundation gives
@@ -11,8 +11,8 @@
 
 m4_define([_LT_COPYING], [dnl
 #   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,
-#                 2006, 2007, 2008, 2009, 2010 Free Software Foundation,
+#                 2006, 2007, 2008, 2009, 2010, 2011 Free Software
-#                 Inc.
+#                 Foundation, Inc.
 #   Written by Gordon Matzigkeit, 1996
 #
 #   This file is part of GNU Libtool.
@@ -146,6 +146,8 @@ AC_REQUIRE([AC_CANONICAL_BUILD])dnl
 AC_REQUIRE([_LT_PREPARE_SED_QUOTE_VARS])dnl
 AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])dnl
 
+_LT_DECL([], [PATH_SEPARATOR], [1], [The PATH separator for the build system])dnl
+dnl
 _LT_DECL([], [host_alias], [0], [The host system])dnl
 _LT_DECL([], [host], [0])dnl
 _LT_DECL([], [host_os], [0])dnl
@@ -637,7 +639,7 @@ m4_ifset([AC_PACKAGE_NAME], [AC_PACKAGE_NAME ])config.lt[]dnl
 m4_ifset([AC_PACKAGE_VERSION], [ AC_PACKAGE_VERSION])
 configured by $[0], generated by m4_PACKAGE_STRING.
 
-Copyright (C) 2010 Free Software Foundation, Inc.
+Copyright (C) 2011 Free Software Foundation, Inc.
 This config.lt script is free software; the Free Software Foundation
 gives unlimited permision to copy, distribute and modify it."
 
@@ -801,6 +803,7 @@ AC_DEFUN([LT_LANG],
 m4_case([$1],
   [C],			[_LT_LANG(C)],
   [C++],		[_LT_LANG(CXX)],
+  [Go],			[_LT_LANG(GO)],
   [Java],		[_LT_LANG(GCJ)],
   [Fortran 77],		[_LT_LANG(F77)],
   [Fortran],		[_LT_LANG(FC)],
@@ -822,6 +825,31 @@ m4_defun([_LT_LANG],
 ])# _LT_LANG
 
 
+m4_ifndef([AC_PROG_GO], [
+############################################################
+# NOTE: This macro has been submitted for inclusion into   #
+#  GNU Autoconf as AC_PROG_GO.  When it is available in    #
+#  a released version of Autoconf we should remove this    #
+#  macro and use it instead.                               #
+############################################################
+m4_defun([AC_PROG_GO],
+[AC_LANG_PUSH(Go)dnl
+AC_ARG_VAR([GOC],     [Go compiler command])dnl
+AC_ARG_VAR([GOFLAGS], [Go compiler flags])dnl
+_AC_ARG_VAR_LDFLAGS()dnl
+AC_CHECK_TOOL(GOC, gccgo)
+if test -z "$GOC"; then
+  if test -n "$ac_tool_prefix"; then
+    AC_CHECK_PROG(GOC, [${ac_tool_prefix}gccgo], [${ac_tool_prefix}gccgo])
+  fi
+fi
+if test -z "$GOC"; then
+  AC_CHECK_PROG(GOC, gccgo, gccgo, false)
+fi
+])#m4_defun
+])#m4_ifndef
+
+
 # _LT_LANG_DEFAULT_CONFIG
 # -----------------------
 m4_defun([_LT_LANG_DEFAULT_CONFIG],
@@ -852,6 +880,10 @@ AC_PROVIDE_IFELSE([AC_PROG_GCJ],
        m4_ifdef([LT_PROG_GCJ],
 	[m4_define([LT_PROG_GCJ], defn([LT_PROG_GCJ])[LT_LANG(GCJ)])])])])])
 
+AC_PROVIDE_IFELSE([AC_PROG_GO],
+  [LT_LANG(GO)],
+  [m4_define([AC_PROG_GO], defn([AC_PROG_GO])[LT_LANG(GO)])])
+
 AC_PROVIDE_IFELSE([LT_PROG_RC],
   [LT_LANG(RC)],
   [m4_define([LT_PROG_RC], defn([LT_PROG_RC])[LT_LANG(RC)])])
@@ -954,7 +986,13 @@ m4_defun_once([_LT_REQUIRED_DARWIN_CHECKS],[
 	$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
 	  -dynamiclib -Wl,-single_module conftest.c 2>conftest.err
         _lt_result=$?
-	if test -f libconftest.dylib && test ! -s conftest.err && test $_lt_result = 0; then
+	# If there is a non-empty error log, and "single_module"
+	# appears in it, assume the flag caused a linker warning
+        if test -s conftest.err && $GREP single_module conftest.err; then
+	  cat conftest.err >&AS_MESSAGE_LOG_FD
+	# Otherwise, if the output was created with a 0 exit code from
+	# the compiler, it worked.
+	elif test -f libconftest.dylib && test $_lt_result -eq 0; then
 	  lt_cv_apple_cc_single_mod=yes
 	else
 	  cat conftest.err >&AS_MESSAGE_LOG_FD
@@ -962,6 +1000,7 @@ m4_defun_once([_LT_REQUIRED_DARWIN_CHECKS],[
 	rm -rf libconftest.dylib*
 	rm -f conftest.*
       fi])
+
     AC_CACHE_CHECK([for -exported_symbols_list linker flag],
       [lt_cv_ld_exported_symbols_list],
       [lt_cv_ld_exported_symbols_list=no
@@ -973,6 +1012,7 @@ m4_defun_once([_LT_REQUIRED_DARWIN_CHECKS],[
 	[lt_cv_ld_exported_symbols_list=no])
 	LDFLAGS="$save_LDFLAGS"
     ])
+
     AC_CACHE_CHECK([for -force_load linker flag],[lt_cv_ld_force_load],
       [lt_cv_ld_force_load=no
       cat > conftest.c << _LT_EOF
@@ -990,7 +1030,9 @@ _LT_EOF
       echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&AS_MESSAGE_LOG_FD
       $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err
       _lt_result=$?
-      if test -f conftest && test ! -s conftest.err && test $_lt_result = 0 && $GREP forced_load conftest 2>&1 >/dev/null; then
+      if test -s conftest.err && $GREP force_load conftest.err; then
+	cat conftest.err >&AS_MESSAGE_LOG_FD
+      elif test -f conftest && test $_lt_result -eq 0 && $GREP forced_load conftest >/dev/null 2>&1 ; then
 	lt_cv_ld_force_load=yes
       else
 	cat conftest.err >&AS_MESSAGE_LOG_FD
@@ -1035,8 +1077,8 @@ _LT_EOF
 ])
 
 
-# _LT_DARWIN_LINKER_FEATURES
+# _LT_DARWIN_LINKER_FEATURES([TAG])
-# --------------------------
+# ---------------------------------
 # Checks for linker and compiler features on darwin
 m4_defun([_LT_DARWIN_LINKER_FEATURES],
 [
@@ -1047,6 +1089,8 @@ m4_defun([_LT_DARWIN_LINKER_FEATURES],
   _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
   if test "$lt_cv_ld_force_load" = "yes"; then
     _LT_TAGVAR(whole_archive_flag_spec, $1)='`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience ${wl}-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`'
+    m4_case([$1], [F77], [_LT_TAGVAR(compiler_needs_object, $1)=yes],
+                  [FC],  [_LT_TAGVAR(compiler_needs_object, $1)=yes])
   else
     _LT_TAGVAR(whole_archive_flag_spec, $1)=''
   fi
@@ -1330,14 +1374,27 @@ s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
     CFLAGS="$SAVE_CFLAGS"
   fi
   ;;
-sparc*-*solaris*)
+*-*solaris*)
   # Find out which ABI we are using.
   echo 'int i;' > conftest.$ac_ext
   if AC_TRY_EVAL(ac_compile); then
     case `/usr/bin/file conftest.o` in
     *64-bit*)
       case $lt_cv_prog_gnu_ld in
-      yes*) LD="${LD-ld} -m elf64_sparc" ;;
+      yes*)
+        case $host in
+        i?86-*-solaris*)
+          LD="${LD-ld} -m elf_x86_64"
+          ;;
+        sparc*-*-solaris*)
+          LD="${LD-ld} -m elf64_sparc"
+          ;;
+        esac
+        # GNU ld 2.21 introduced _sol2 emulations.  Use them if available.
+        if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then
+          LD="${LD-ld}_sol2"
+        fi
+        ;;
       *)
 	if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then
 	  LD="${LD-ld} -64"
@@ -1414,13 +1471,13 @@ old_postuninstall_cmds=
 if test -n "$RANLIB"; then
   case $host_os in
   openbsd*)
-    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$oldlib"
+    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib"
     ;;
   *)
-    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$oldlib"
+    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib"
     ;;
   esac
-  old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
+  old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib"
 fi
 
 case $host_os in
@@ -1600,6 +1657,11 @@ AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl
     lt_cv_sys_max_cmd_len=196608
     ;;
 
+  os2*)
+    # The test takes a long time on OS/2.
+    lt_cv_sys_max_cmd_len=8192
+    ;;
+
   osf*)
     # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure
     # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not
@@ -1639,7 +1701,7 @@ AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl
       # If test is not a shell built-in, we'll probably end up computing a
       # maximum length that is only half of the actual maximum length, but
       # we can't tell.
-      while { test "X"`func_fallback_echo "$teststring$teststring" 2>/dev/null` \
+      while { test "X"`env echo "$teststring$teststring" 2>/dev/null` \
 	         = "X$teststring$teststring"; } >/dev/null 2>&1 &&
 	      test $i != 17 # 1/2 MB should be enough
       do
@@ -2185,7 +2247,7 @@ need_version=unknown
 
 case $host_os in
 aix3*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a'
   shlibpath_var=LIBPATH
 
@@ -2194,7 +2256,7 @@ aix3*)
   ;;
 
 aix[[4-9]]*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
   hardcode_into_libs=yes
@@ -2259,7 +2321,7 @@ beos*)
   ;;
 
 bsdi[[45]]*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   need_version=no
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
   soname_spec='${libname}${release}${shared_ext}$major'
@@ -2398,7 +2460,7 @@ m4_if([$1], [],[
   ;;
 
 dgux*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext'
@@ -2451,17 +2513,18 @@ freebsd* | dragonfly*)
   ;;
 
 gnu*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
   soname_spec='${libname}${release}${shared_ext}$major'
   shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
   hardcode_into_libs=yes
   ;;
 
 haiku*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
   dynamic_linker="$host_os runtime_loader"
@@ -2522,7 +2585,7 @@ hpux9* | hpux10* | hpux11*)
   ;;
 
 interix[[3-9]]*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
@@ -2538,7 +2601,7 @@ irix5* | irix6* | nonstopux*)
     nonstopux*) version_type=nonstopux ;;
     *)
 	if test "$lt_cv_prog_gnu_ld" = yes; then
-		version_type=linux
+		version_type=linux # correct to gnu/linux during the next big refactor
 	else
 		version_type=irix
 	fi ;;
@@ -2575,9 +2638,9 @@ linux*oldld* | linux*aout* | linux*coff*)
   dynamic_linker=no
   ;;
 
-# This must be Linux ELF.
+# This must be glibc/ELF.
 linux* | k*bsd*-gnu | kopensolaris*-gnu)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
@@ -2640,7 +2703,7 @@ netbsd*)
   ;;
 
 newsos6)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
   shlibpath_var=LD_LIBRARY_PATH
   shlibpath_overrides_runpath=yes
@@ -2709,7 +2772,7 @@ rdos*)
   ;;
 
 solaris*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
@@ -2734,7 +2797,7 @@ sunos4*)
   ;;
 
 sysv4 | sysv4.3*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
   soname_spec='${libname}${release}${shared_ext}$major'
   shlibpath_var=LD_LIBRARY_PATH
@@ -2758,7 +2821,7 @@ sysv4 | sysv4.3*)
 
 sysv4*MP*)
   if test -d /usr/nec ;then
-    version_type=linux
+    version_type=linux # correct to gnu/linux during the next big refactor
     library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}'
     soname_spec='$libname${shared_ext}.$major'
     shlibpath_var=LD_LIBRARY_PATH
@@ -2789,7 +2852,7 @@ sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
 
 tpf*)
   # TPF is a cross-target only.  Preferred cross-host = GNU/Linux.
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
@@ -2799,7 +2862,7 @@ tpf*)
   ;;
 
 uts4*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
   soname_spec='${libname}${release}${shared_ext}$major'
   shlibpath_var=LD_LIBRARY_PATH
@@ -3221,7 +3284,7 @@ irix5* | irix6* | nonstopux*)
   lt_cv_deplibs_check_method=pass_all
   ;;
 
-# This must be Linux ELF.
+# This must be glibc/ELF.
 linux* | k*bsd*-gnu | kopensolaris*-gnu)
   lt_cv_deplibs_check_method=pass_all
   ;;
@@ -3641,6 +3704,7 @@ for ac_symprfx in "" "_"; do
     # which start with @ or ?.
     lt_cv_sys_global_symbol_pipe="$AWK ['"\
 "     {last_section=section; section=\$ 3};"\
+"     /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\
 "     /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\
 "     \$ 0!~/External *\|/{next};"\
 "     / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\
@@ -4225,7 +4289,9 @@ m4_if([$1], [CXX], [
     case $cc_basename in
     nvcc*) # Cuda Compiler Driver 2.2
       _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Xlinker '
-      _LT_TAGVAR(lt_prog_compiler_pic, $1)='-Xcompiler -fPIC'
+      if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then
+        _LT_TAGVAR(lt_prog_compiler_pic, $1)="-Xcompiler $_LT_TAGVAR(lt_prog_compiler_pic, $1)"
+      fi
       ;;
     esac
   else
@@ -4317,18 +4383,33 @@ m4_if([$1], [CXX], [
 	;;
       *)
 	case `$CC -V 2>&1 | sed 5q` in
-	*Sun\ F* | *Sun*Fortran*)
+	*Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [[1-7]].* | *Sun*Fortran*\ 8.[[0-3]]*)
 	  # Sun Fortran 8.3 passes all unrecognized flags to the linker
 	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
 	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
 	  _LT_TAGVAR(lt_prog_compiler_wl, $1)=''
 	  ;;
+	*Sun\ F* | *Sun*Fortran*)
+	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+	  ;;
 	*Sun\ C*)
 	  # Sun C 5.9
 	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
 	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
 	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
 	  ;;
+        *Intel*\ [[CF]]*Compiler*)
+	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+	  ;;
+	*Portland\ Group*)
+	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
+	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+	  ;;
 	esac
 	;;
       esac
@@ -4488,7 +4569,9 @@ m4_if([$1], [CXX], [
     ;;
   cygwin* | mingw* | cegcc*)
     case $cc_basename in
-    cl*) ;;
+    cl*)
+      _LT_TAGVAR(exclude_expsyms, $1)='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*'
+      ;;
     *)
       _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols'
       _LT_TAGVAR(exclude_expsyms, $1)=['[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname']
@@ -4513,7 +4596,6 @@ m4_if([$1], [CXX], [
   _LT_TAGVAR(hardcode_direct, $1)=no
   _LT_TAGVAR(hardcode_direct_absolute, $1)=no
   _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
-  _LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)=
   _LT_TAGVAR(hardcode_libdir_separator, $1)=
   _LT_TAGVAR(hardcode_minus_L, $1)=no
   _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
@@ -4764,8 +4846,7 @@ _LT_EOF
 	xlf* | bgf* | bgxlf* | mpixlf*)
 	  # IBM XL Fortran 10.1 on PPC cannot create shared libs itself
 	  _LT_TAGVAR(whole_archive_flag_spec, $1)='--whole-archive$convenience --no-whole-archive'
-	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+	  _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
-	  _LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)='-rpath $libdir'
 	  _LT_TAGVAR(archive_cmds, $1)='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib'
 	  if test "x$supports_anon_versioning" = xyes; then
 	    _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~
@@ -5060,6 +5141,7 @@ _LT_EOF
 	# The linker will not automatically build a static lib if we build a DLL.
 	# _LT_TAGVAR(old_archive_from_new_cmds, $1)='true'
 	_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+	_LT_TAGVAR(exclude_expsyms, $1)='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*'
 	_LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1,DATA/'\'' | $SED -e '\''/^[[AITW]][[ ]]/s/.*[[ ]]//'\'' | sort | uniq > $export_symbols'
 	# Don't use ranlib
 	_LT_TAGVAR(old_postinstall_cmds, $1)='chmod 644 $oldlib'
@@ -5157,7 +5239,6 @@ _LT_EOF
       fi
       if test "$with_gnu_ld" = no; then
 	_LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
-	_LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)='+b $libdir'
 	_LT_TAGVAR(hardcode_libdir_separator, $1)=:
 	_LT_TAGVAR(hardcode_direct, $1)=yes
 	_LT_TAGVAR(hardcode_direct_absolute, $1)=yes
@@ -5599,9 +5680,6 @@ _LT_TAGDECL([], [no_undefined_flag], [1],
 _LT_TAGDECL([], [hardcode_libdir_flag_spec], [1],
     [Flag to hardcode $libdir into a binary during linking.
     This must work even if $libdir does not exist])
-_LT_TAGDECL([], [hardcode_libdir_flag_spec_ld], [1],
-    [[If ld is used when linking, flag to hardcode $libdir into a binary
-    during linking.  This must work even if $libdir does not exist]])
 _LT_TAGDECL([], [hardcode_libdir_separator], [1],
     [Whether we need a single "-rpath" flag with a separated argument])
 _LT_TAGDECL([], [hardcode_direct], [0],
@@ -5759,7 +5837,6 @@ _LT_TAGVAR(export_dynamic_flag_spec, $1)=
 _LT_TAGVAR(hardcode_direct, $1)=no
 _LT_TAGVAR(hardcode_direct_absolute, $1)=no
 _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
-_LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)=
 _LT_TAGVAR(hardcode_libdir_separator, $1)=
 _LT_TAGVAR(hardcode_minus_L, $1)=no
 _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
@@ -6890,12 +6967,18 @@ public class foo {
   }
 };
 _LT_EOF
+], [$1], [GO], [cat > conftest.$ac_ext <<_LT_EOF
+package foo
+func foo() {
+}
+_LT_EOF
 ])
 
 _lt_libdeps_save_CFLAGS=$CFLAGS
 case "$CC $CFLAGS " in #(
 *\ -flto*\ *) CFLAGS="$CFLAGS -fno-lto" ;;
 *\ -fwhopr*\ *) CFLAGS="$CFLAGS -fno-whopr" ;;
+*\ -fuse-linker-plugin*\ *) CFLAGS="$CFLAGS -fno-use-linker-plugin" ;;
 esac
 
 dnl Parse the compiler output and extract the necessary
@@ -7092,7 +7175,6 @@ _LT_TAGVAR(export_dynamic_flag_spec, $1)=
 _LT_TAGVAR(hardcode_direct, $1)=no
 _LT_TAGVAR(hardcode_direct_absolute, $1)=no
 _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
-_LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)=
 _LT_TAGVAR(hardcode_libdir_separator, $1)=
 _LT_TAGVAR(hardcode_minus_L, $1)=no
 _LT_TAGVAR(hardcode_automatic, $1)=no
@@ -7225,7 +7307,6 @@ _LT_TAGVAR(export_dynamic_flag_spec, $1)=
 _LT_TAGVAR(hardcode_direct, $1)=no
 _LT_TAGVAR(hardcode_direct_absolute, $1)=no
 _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
-_LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)=
 _LT_TAGVAR(hardcode_libdir_separator, $1)=
 _LT_TAGVAR(hardcode_minus_L, $1)=no
 _LT_TAGVAR(hardcode_automatic, $1)=no
@@ -7412,6 +7493,77 @@ CFLAGS=$lt_save_CFLAGS
 ])# _LT_LANG_GCJ_CONFIG
 
 
+# _LT_LANG_GO_CONFIG([TAG])
+# --------------------------
+# Ensure that the configuration variables for the GNU Go compiler
+# are suitably defined.  These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to `libtool'.
+m4_defun([_LT_LANG_GO_CONFIG],
+[AC_REQUIRE([LT_PROG_GO])dnl
+AC_LANG_SAVE
+
+# Source file extension for Go test sources.
+ac_ext=go
+
+# Object file extension for compiled Go test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="package main; func main() { }"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='package main; func main() { }'
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+_LT_TAG_COMPILER
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+# Allow CC to be a program name with arguments.
+lt_save_CC=$CC
+lt_save_CFLAGS=$CFLAGS
+lt_save_GCC=$GCC
+GCC=yes
+CC=${GOC-"gccgo"}
+CFLAGS=$GOFLAGS
+compiler=$CC
+_LT_TAGVAR(compiler, $1)=$CC
+_LT_TAGVAR(LD, $1)="$LD"
+_LT_CC_BASENAME([$compiler])
+
+# Go did not exist at the time GCC didn't implicitly link libc in.
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_TAGVAR(reload_flag, $1)=$reload_flag
+_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
+
+## CAVEAT EMPTOR:
+## There is no encapsulation within the following macros, do not change
+## the running order or otherwise move them around unless you know exactly
+## what you are doing...
+if test -n "$compiler"; then
+  _LT_COMPILER_NO_RTTI($1)
+  _LT_COMPILER_PIC($1)
+  _LT_COMPILER_C_O($1)
+  _LT_COMPILER_FILE_LOCKS($1)
+  _LT_LINKER_SHLIBS($1)
+  _LT_LINKER_HARDCODE_LIBPATH($1)
+
+  _LT_CONFIG($1)
+fi
+
+AC_LANG_RESTORE
+
+GCC=$lt_save_GCC
+CC=$lt_save_CC
+CFLAGS=$lt_save_CFLAGS
+])# _LT_LANG_GO_CONFIG
+
+
 # _LT_LANG_RC_CONFIG([TAG])
 # -------------------------
 # Ensure that the configuration variables for the Windows resource compiler
@@ -7481,6 +7633,13 @@ dnl aclocal-1.4 backwards compatibility:
 dnl AC_DEFUN([LT_AC_PROG_GCJ], [])
 
 
+# LT_PROG_GO
+# ----------
+AC_DEFUN([LT_PROG_GO],
+[AC_CHECK_TOOL(GOC, gccgo,)
+])
+
+
 # LT_PROG_RC
 # ----------
 AC_DEFUN([LT_PROG_RC],

config/ltmain.sh

@@ -1,9 +1,9 @@
 
-# libtool (GNU libtool) 2.4
+# libtool (GNU libtool) 2.4.2
 # Written by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
 
 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006,
-# 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+# 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
 # This is free software; see the source for copying conditions.  There is NO
 # warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 
@@ -41,6 +41,7 @@
 #       --quiet, --silent    don't print informational messages
 #       --no-quiet, --no-silent
 #                            print informational messages (default)
+#       --no-warn            don't display warning messages
 #       --tag=TAG            use configuration variables from tag TAG
 #   -v, --verbose            print more informational messages than default
 #       --no-verbose         don't print the extra informational messages
@@ -69,7 +70,7 @@
 #         compiler:		$LTCC
 #         compiler flags:		$LTCFLAGS
 #         linker:		$LD (gnu? $with_gnu_ld)
-#         $progname:	(GNU libtool) 2.4
+#         $progname:	(GNU libtool) 2.4.2
 #         automake:	$automake_version
 #         autoconf:	$autoconf_version
 #
@@ -79,9 +80,9 @@
 
 PROGRAM=libtool
 PACKAGE=libtool
-VERSION=2.4
+VERSION=2.4.2
 TIMESTAMP=""
-package_revision=1.3293
+package_revision=1.3337
 
 # Be Bourne compatible
 if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
@@ -136,15 +137,10 @@ progpath="$0"
 
 : ${CP="cp -f"}
 test "${ECHO+set}" = set || ECHO=${as_echo-'printf %s\n'}
-: ${EGREP="grep -E"}
-: ${FGREP="grep -F"}
-: ${GREP="grep"}
-: ${LN_S="ln -s"}
 : ${MAKE="make"}
 : ${MKDIR="mkdir"}
 : ${MV="mv -f"}
 : ${RM="rm -f"}
-: ${SED="sed"}
 : ${SHELL="${CONFIG_SHELL-/bin/sh}"}
 : ${Xsed="$SED -e 1s/^X//"}
 
@@ -387,7 +383,7 @@ case $progpath in
      ;;
   *)
      save_IFS="$IFS"
-     IFS=:
+     IFS=${PATH_SEPARATOR-:}
      for progdir in $PATH; do
        IFS="$save_IFS"
        test -x "$progdir/$progname" && break
@@ -771,8 +767,8 @@ func_help ()
 	s*\$LTCFLAGS*'"$LTCFLAGS"'*
 	s*\$LD*'"$LD"'*
 	s/\$with_gnu_ld/'"$with_gnu_ld"'/
-	s/\$automake_version/'"`(automake --version) 2>/dev/null |$SED 1q`"'/
+	s/\$automake_version/'"`(${AUTOMAKE-automake} --version) 2>/dev/null |$SED 1q`"'/
-	s/\$autoconf_version/'"`(autoconf --version) 2>/dev/null |$SED 1q`"'/
+	s/\$autoconf_version/'"`(${AUTOCONF-autoconf} --version) 2>/dev/null |$SED 1q`"'/
 	p
 	d
      }
@@ -1052,6 +1048,7 @@ opt_finish=false
 opt_help=false
 opt_help_all=false
 opt_silent=:
+opt_warning=:
 opt_verbose=:
 opt_silent=false
 opt_verbose=false
@@ -1118,6 +1115,10 @@ esac
 			;;
       --no-silent|--no-quiet)
 			opt_silent=false
+func_append preserve_args " $opt"
+			;;
+      --no-warning|--no-warn)
+			opt_warning=false
 func_append preserve_args " $opt"
 			;;
       --no-verbose)
@@ -2089,7 +2090,7 @@ func_mode_compile ()
     *.[cCFSifmso] | \
     *.ada | *.adb | *.ads | *.asm | \
     *.c++ | *.cc | *.ii | *.class | *.cpp | *.cxx | \
-    *.[fF][09]? | *.for | *.java | *.obj | *.sx | *.cu | *.cup)
+    *.[fF][09]? | *.for | *.java | *.go | *.obj | *.sx | *.cu | *.cup)
       func_xform "$libobj"
       libobj=$func_xform_result
       ;;
@@ -3231,11 +3232,13 @@ func_mode_install ()
 
       # Set up the ranlib parameters.
       oldlib="$destdir/$name"
+      func_to_tool_file "$oldlib" func_convert_file_msys_to_w32
+      tool_oldlib=$func_to_tool_file_result
 
       func_show_eval "$install_prog \$file \$oldlib" 'exit $?'
 
       if test -n "$stripme" && test -n "$old_striplib"; then
-	func_show_eval "$old_striplib $oldlib" 'exit $?'
+	func_show_eval "$old_striplib $tool_oldlib" 'exit $?'
       fi
 
       # Do each command in the postinstall commands.
@@ -3500,7 +3503,7 @@ static const void *lt_preloaded_setup() {
 	  # linked before any other PIC object.  But we must not use
 	  # pic_flag when linking with -static.  The problem exists in
 	  # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1.
-	  *-*-freebsd2*|*-*-freebsd3.0*|*-*-freebsdelf3.0*)
+	  *-*-freebsd2.*|*-*-freebsd3.0*|*-*-freebsdelf3.0*)
 	    pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;;
 	  *-*-hpux*)
 	    pic_flag_for_symtable=" $pic_flag"  ;;
@@ -4015,14 +4018,17 @@ func_exec_program_core ()
 # launches target application with the remaining arguments.
 func_exec_program ()
 {
-  for lt_wr_arg
+  case \" \$* \" in
-  do
+  *\\ --lt-*)
-    case \$lt_wr_arg in
+    for lt_wr_arg
-    --lt-*) ;;
+    do
-    *) set x \"\$@\" \"\$lt_wr_arg\"; shift;;
+      case \$lt_wr_arg in
-    esac
+      --lt-*) ;;
-    shift
+      *) set x \"\$@\" \"\$lt_wr_arg\"; shift;;
-  done
+      esac
+      shift
+    done ;;
+  esac
   func_exec_program_core \${1+\"\$@\"}
 }
 
@@ -5090,9 +5096,15 @@ void lt_dump_script (FILE* f)
 {
 EOF
 	    func_emit_wrapper yes |
-              $SED -e 's/\([\\"]\)/\\\1/g' \
+	      $SED -n -e '
-	           -e 's/^/  fputs ("/' -e 's/$/\\n", f);/'
+s/^\(.\{79\}\)\(..*\)/\1\
-
+\2/
+h
+s/\([\\"]\)/\\\1/g
+s/$/\\n/
+s/\([^\n]*\).*/  fputs ("\1", f);/p
+g
+D'
             cat <<"EOF"
 }
 EOF
@@ -5677,7 +5689,8 @@ func_mode_link ()
 	continue
 	;;
 
-      -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe|-threads)
+      -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \
+      |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*)
 	func_append compiler_flags " $arg"
 	func_append compile_command " $arg"
 	func_append finalize_command " $arg"
@@ -6181,7 +6194,8 @@ func_mode_link ()
 	lib=
 	found=no
 	case $deplib in
-	-mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe|-threads)
+	-mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \
+        |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*)
 	  if test "$linkmode,$pass" = "prog,link"; then
 	    compile_deplibs="$deplib $compile_deplibs"
 	    finalize_deplibs="$deplib $finalize_deplibs"
@@ -6882,7 +6896,7 @@ func_mode_link ()
 	         test "$hardcode_direct_absolute" = no; then
 		add="$dir/$linklib"
 	      elif test "$hardcode_minus_L" = yes; then
-		add_dir="-L$dir"
+		add_dir="-L$absdir"
 		# Try looking first in the location we're being installed to.
 		if test -n "$inst_prefix_dir"; then
 		  case $libdir in
@@ -7367,6 +7381,7 @@ func_mode_link ()
 	  # which has an extra 1 added just for fun
 	  #
 	  case $version_type in
+	  # correct linux to gnu/linux during the next big refactor
 	  darwin|linux|osf|windows|none)
 	    func_arith $number_major + $number_minor
 	    current=$func_arith_result
@@ -7483,7 +7498,7 @@ func_mode_link ()
 	  versuffix="$major.$revision"
 	  ;;
 
-	linux)
+	linux) # correct to gnu/linux during the next big refactor
 	  func_arith $current - $age
 	  major=.$func_arith_result
 	  versuffix="$major.$age.$revision"
@@ -8071,6 +8086,11 @@ EOF
 
       # Test again, we may have decided not to build it any more
       if test "$build_libtool_libs" = yes; then
+	# Remove ${wl} instances when linking with ld.
+	# FIXME: should test the right _cmds variable.
+	case $archive_cmds in
+	  *\$LD\ *) wl= ;;
+        esac
 	if test "$hardcode_into_libs" = yes; then
 	  # Hardcode the library paths
 	  hardcode_libdirs=
@@ -8101,7 +8121,7 @@ EOF
 	    elif test -n "$runpath_var"; then
 	      case "$perm_rpath " in
 	      *" $libdir "*) ;;
-	      *) func_apped perm_rpath " $libdir" ;;
+	      *) func_append perm_rpath " $libdir" ;;
 	      esac
 	    fi
 	  done
@@ -8109,11 +8129,7 @@ EOF
 	  if test -n "$hardcode_libdir_separator" &&
 	     test -n "$hardcode_libdirs"; then
 	    libdir="$hardcode_libdirs"
-	    if test -n "$hardcode_libdir_flag_spec_ld"; then
+	    eval "dep_rpath=\"$hardcode_libdir_flag_spec\""
-	      eval dep_rpath=\"$hardcode_libdir_flag_spec_ld\"
-	    else
-	      eval dep_rpath=\"$hardcode_libdir_flag_spec\"
-	    fi
 	  fi
 	  if test -n "$runpath_var" && test -n "$perm_rpath"; then
 	    # We should set the runpath_var.
@@ -9203,6 +9219,8 @@ EOF
 	    esac
 	  done
 	fi
+	func_to_tool_file "$oldlib" func_convert_file_msys_to_w32
+	tool_oldlib=$func_to_tool_file_result
 	eval cmds=\"$old_archive_cmds\"
 
 	func_len " $cmds"
@@ -9312,7 +9330,8 @@ EOF
 	      *.la)
 		func_basename "$deplib"
 		name="$func_basename_result"
-		eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib`
+		func_resolve_sysroot "$deplib"
+		eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $func_resolve_sysroot_result`
 		test -z "$libdir" && \
 		  func_fatal_error "\`$deplib' is not a valid libtool archive"
 		func_append newdependency_libs " ${lt_sysroot:+=}$libdir/$name"

config/ltoptions.m4

@@ -326,9 +326,24 @@ dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], [])
 # MODE is either `yes' or `no'.  If omitted, it defaults to `both'.
 m4_define([_LT_WITH_PIC],
 [AC_ARG_WITH([pic],
-    [AS_HELP_STRING([--with-pic],
+    [AS_HELP_STRING([--with-pic@<:@=PKGS@:>@],
 	[try to use only PIC/non-PIC objects @<:@default=use both@:>@])],
-    [pic_mode="$withval"],
+    [lt_p=${PACKAGE-default}
+    case $withval in
+    yes|no) pic_mode=$withval ;;
+    *)
+      pic_mode=default
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+      for lt_pkg in $withval; do
+	IFS="$lt_save_ifs"
+	if test "X$lt_pkg" = "X$lt_p"; then
+	  pic_mode=yes
+	fi
+      done
+      IFS="$lt_save_ifs"
+      ;;
+    esac],
     [pic_mode=default])
 
 test -z "$pic_mode" && pic_mode=m4_default([$1], [default])

config/ltversion.m4

@@ -9,15 +9,15 @@
 
 # @configure_input@
 
-# serial 3293 ltversion.m4
+# serial 3337 ltversion.m4
 # This file is part of GNU Libtool
 
-m4_define([LT_PACKAGE_VERSION], [2.4])
+m4_define([LT_PACKAGE_VERSION], [2.4.2])
-m4_define([LT_PACKAGE_REVISION], [1.3293])
+m4_define([LT_PACKAGE_REVISION], [1.3337])
 
 AC_DEFUN([LTVERSION_VERSION],
-[macro_version='2.4'
+[macro_version='2.4.2'
-macro_revision='1.3293'
+macro_revision='1.3337'
 _LT_DECL(, macro_version, 0, [Which release of libtool.m4 was used?])
 _LT_DECL(, macro_revision, 0)
 ])

configure

@@ -1409,7 +1409,7 @@ Optional Features:
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
   --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
-  --with-pic              try to use only PIC/non-PIC objects [default=use
+  --with-pic[=PKGS]       try to use only PIC/non-PIC objects [default=use
                           both]
   --with-gnu-ld           assume the C compiler uses GNU ld [default=no]
   --with-sysroot=DIR Search for dependent libraries within DIR
@@ -2039,6 +2039,52 @@ $as_echo "$ac_res" >&6; }
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_type
+
+# ac_fn_c_check_decl LINENO SYMBOL VAR INCLUDES
+# ---------------------------------------------
+# Tests whether SYMBOL is declared in INCLUDES, setting cache variable VAR
+# accordingly.
+ac_fn_c_check_decl ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  as_decl_name=`echo $2|sed 's/ *(.*//'`
+  as_decl_use=`echo $2|sed -e 's/(/((/' -e 's/)/) 0&/' -e 's/,/) 0& (/g'`
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $as_decl_name is declared" >&5
+$as_echo_n "checking whether $as_decl_name is declared... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main ()
+{
+#ifndef $as_decl_name
+#ifdef __cplusplus
+  (void) $as_decl_use;
+#else
+  (void) $as_decl_name;
+#endif
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  eval "$3=yes"
+else
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_decl
 cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
@@ -2926,8 +2972,8 @@ esac
 
 
 
-macro_version='2.4'
+macro_version='2.4.2'
-macro_revision='1.3293'
+macro_revision='1.3337'
 
 
 
@@ -4752,6 +4798,11 @@ else
     lt_cv_sys_max_cmd_len=196608
     ;;
 
+  os2*)
+    # The test takes a long time on OS/2.
+    lt_cv_sys_max_cmd_len=8192
+    ;;
+
   osf*)
     # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure
     # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not
@@ -4791,7 +4842,7 @@ else
       # If test is not a shell built-in, we'll probably end up computing a
       # maximum length that is only half of the actual maximum length, but
       # we can't tell.
-      while { test "X"`func_fallback_echo "$teststring$teststring" 2>/dev/null` \
+      while { test "X"`env echo "$teststring$teststring" 2>/dev/null` \
 	         = "X$teststring$teststring"; } >/dev/null 2>&1 &&
 	      test $i != 17 # 1/2 MB should be enough
       do
@@ -5220,7 +5271,7 @@ irix5* | irix6* | nonstopux*)
   lt_cv_deplibs_check_method=pass_all
   ;;
 
-# This must be Linux ELF.
+# This must be glibc/ELF.
 linux* | k*bsd*-gnu | kopensolaris*-gnu)
   lt_cv_deplibs_check_method=pass_all
   ;;
@@ -5861,13 +5912,13 @@ old_postuninstall_cmds=
 if test -n "$RANLIB"; then
   case $host_os in
   openbsd*)
-    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$oldlib"
+    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib"
     ;;
   *)
-    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$oldlib"
+    old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib"
     ;;
   esac
-  old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
+  old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib"
 fi
 
 case $host_os in
@@ -6014,6 +6065,7 @@ for ac_symprfx in "" "_"; do
     # which start with @ or ?.
     lt_cv_sys_global_symbol_pipe="$AWK '"\
 "     {last_section=section; section=\$ 3};"\
+"     /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\
 "     /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\
 "     \$ 0!~/External *\|/{next};"\
 "     / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\
@@ -6402,7 +6454,7 @@ $as_echo "$lt_cv_cc_needs_belf" >&6; }
     CFLAGS="$SAVE_CFLAGS"
   fi
   ;;
-sparc*-*solaris*)
+*-*solaris*)
   # Find out which ABI we are using.
   echo 'int i;' > conftest.$ac_ext
   if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
@@ -6413,7 +6465,20 @@ sparc*-*solaris*)
     case `/usr/bin/file conftest.o` in
     *64-bit*)
       case $lt_cv_prog_gnu_ld in
-      yes*) LD="${LD-ld} -m elf64_sparc" ;;
+      yes*)
+        case $host in
+        i?86-*-solaris*)
+          LD="${LD-ld} -m elf_x86_64"
+          ;;
+        sparc*-*-solaris*)
+          LD="${LD-ld} -m elf64_sparc"
+          ;;
+        esac
+        # GNU ld 2.21 introduced _sol2 emulations.  Use them if available.
+        if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then
+          LD="${LD-ld}_sol2"
+        fi
+        ;;
       *)
 	if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then
 	  LD="${LD-ld} -64"
@@ -7053,7 +7118,13 @@ else
 	$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
 	  -dynamiclib -Wl,-single_module conftest.c 2>conftest.err
         _lt_result=$?
-	if test -f libconftest.dylib && test ! -s conftest.err && test $_lt_result = 0; then
+	# If there is a non-empty error log, and "single_module"
+	# appears in it, assume the flag caused a linker warning
+        if test -s conftest.err && $GREP single_module conftest.err; then
+	  cat conftest.err >&5
+	# Otherwise, if the output was created with a 0 exit code from
+	# the compiler, it worked.
+	elif test -f libconftest.dylib && test $_lt_result -eq 0; then
 	  lt_cv_apple_cc_single_mod=yes
 	else
 	  cat conftest.err >&5
@@ -7064,6 +7135,7 @@ else
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_apple_cc_single_mod" >&5
 $as_echo "$lt_cv_apple_cc_single_mod" >&6; }
+
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -exported_symbols_list linker flag" >&5
 $as_echo_n "checking for -exported_symbols_list linker flag... " >&6; }
 if ${lt_cv_ld_exported_symbols_list+:} false; then :
@@ -7096,6 +7168,7 @@ rm -f core conftest.err conftest.$ac_objext \
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_exported_symbols_list" >&5
 $as_echo "$lt_cv_ld_exported_symbols_list" >&6; }
+
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -force_load linker flag" >&5
 $as_echo_n "checking for -force_load linker flag... " >&6; }
 if ${lt_cv_ld_force_load+:} false; then :
@@ -7117,7 +7190,9 @@ _LT_EOF
       echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&5
       $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err
       _lt_result=$?
-      if test -f conftest && test ! -s conftest.err && test $_lt_result = 0 && $GREP forced_load conftest 2>&1 >/dev/null; then
+      if test -s conftest.err && $GREP force_load conftest.err; then
+	cat conftest.err >&5
+      elif test -f conftest && test $_lt_result -eq 0 && $GREP forced_load conftest >/dev/null 2>&1 ; then
 	lt_cv_ld_force_load=yes
       else
 	cat conftest.err >&5
@@ -7522,7 +7597,22 @@ fi
 
 # Check whether --with-pic was given.
 if test "${with_pic+set}" = set; then :
-  withval=$with_pic; pic_mode="$withval"
+  withval=$with_pic; lt_p=${PACKAGE-default}
+    case $withval in
+    yes|no) pic_mode=$withval ;;
+    *)
+      pic_mode=default
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+      for lt_pkg in $withval; do
+	IFS="$lt_save_ifs"
+	if test "X$lt_pkg" = "X$lt_p"; then
+	  pic_mode=yes
+	fi
+      done
+      IFS="$lt_save_ifs"
+      ;;
+    esac
 else
   pic_mode=default
 fi
@@ -7595,6 +7685,10 @@ LIBTOOL='$(SHELL) $(top_builddir)/libtool'
 
 
 
+
+
+
+
 
 
 
@@ -8059,7 +8153,9 @@ lt_prog_compiler_static=
     case $cc_basename in
     nvcc*) # Cuda Compiler Driver 2.2
       lt_prog_compiler_wl='-Xlinker '
-      lt_prog_compiler_pic='-Xcompiler -fPIC'
+      if test -n "$lt_prog_compiler_pic"; then
+        lt_prog_compiler_pic="-Xcompiler $lt_prog_compiler_pic"
+      fi
       ;;
     esac
   else
@@ -8150,18 +8246,33 @@ lt_prog_compiler_static=
 	;;
       *)
 	case `$CC -V 2>&1 | sed 5q` in
-	*Sun\ F* | *Sun*Fortran*)
+	*Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [1-7].* | *Sun*Fortran*\ 8.[0-3]*)
 	  # Sun Fortran 8.3 passes all unrecognized flags to the linker
 	  lt_prog_compiler_pic='-KPIC'
 	  lt_prog_compiler_static='-Bstatic'
 	  lt_prog_compiler_wl=''
 	  ;;
+	*Sun\ F* | *Sun*Fortran*)
+	  lt_prog_compiler_pic='-KPIC'
+	  lt_prog_compiler_static='-Bstatic'
+	  lt_prog_compiler_wl='-Qoption ld '
+	  ;;
 	*Sun\ C*)
 	  # Sun C 5.9
 	  lt_prog_compiler_pic='-KPIC'
 	  lt_prog_compiler_static='-Bstatic'
 	  lt_prog_compiler_wl='-Wl,'
 	  ;;
+        *Intel*\ [CF]*Compiler*)
+	  lt_prog_compiler_wl='-Wl,'
+	  lt_prog_compiler_pic='-fPIC'
+	  lt_prog_compiler_static='-static'
+	  ;;
+	*Portland\ Group*)
+	  lt_prog_compiler_wl='-Wl,'
+	  lt_prog_compiler_pic='-fpic'
+	  lt_prog_compiler_static='-Bstatic'
+	  ;;
 	esac
 	;;
       esac
@@ -8523,7 +8634,6 @@ $as_echo_n "checking whether the $compiler linker ($LD) supports shared librarie
   hardcode_direct=no
   hardcode_direct_absolute=no
   hardcode_libdir_flag_spec=
-  hardcode_libdir_flag_spec_ld=
   hardcode_libdir_separator=
   hardcode_minus_L=no
   hardcode_shlibpath_var=unsupported
@@ -8773,8 +8883,7 @@ _LT_EOF
 	xlf* | bgf* | bgxlf* | mpixlf*)
 	  # IBM XL Fortran 10.1 on PPC cannot create shared libs itself
 	  whole_archive_flag_spec='--whole-archive$convenience --no-whole-archive'
-	  hardcode_libdir_flag_spec=
+	  hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
-	  hardcode_libdir_flag_spec_ld='-rpath $libdir'
 	  archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib'
 	  if test "x$supports_anon_versioning" = xyes; then
 	    archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~
@@ -9153,6 +9262,7 @@ fi
 	# The linker will not automatically build a static lib if we build a DLL.
 	# _LT_TAGVAR(old_archive_from_new_cmds, )='true'
 	enable_shared_with_static_runtimes=yes
+	exclude_expsyms='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*'
 	export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1,DATA/'\'' | $SED -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols'
 	# Don't use ranlib
 	old_postinstall_cmds='chmod 644 $oldlib'
@@ -9198,6 +9308,7 @@ fi
   hardcode_shlibpath_var=unsupported
   if test "$lt_cv_ld_force_load" = "yes"; then
     whole_archive_flag_spec='`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience ${wl}-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`'
+
   else
     whole_archive_flag_spec=''
   fi
@@ -9277,7 +9388,6 @@ fi
       fi
       if test "$with_gnu_ld" = no; then
 	hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
-	hardcode_libdir_flag_spec_ld='+b $libdir'
 	hardcode_libdir_separator=:
 	hardcode_direct=yes
 	hardcode_direct_absolute=yes
@@ -9895,11 +10005,6 @@ esac
 
 
 
-
-
-
-
-
 
 
 
@@ -9995,7 +10100,7 @@ need_version=unknown
 
 case $host_os in
 aix3*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a'
   shlibpath_var=LIBPATH
 
@@ -10004,7 +10109,7 @@ aix3*)
   ;;
 
 aix[4-9]*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
   hardcode_into_libs=yes
@@ -10069,7 +10174,7 @@ beos*)
   ;;
 
 bsdi[45]*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   need_version=no
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
   soname_spec='${libname}${release}${shared_ext}$major'
@@ -10208,7 +10313,7 @@ darwin* | rhapsody*)
   ;;
 
 dgux*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext'
@@ -10261,17 +10366,18 @@ freebsd* | dragonfly*)
   ;;
 
 gnu*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
   soname_spec='${libname}${release}${shared_ext}$major'
   shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
   hardcode_into_libs=yes
   ;;
 
 haiku*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
   dynamic_linker="$host_os runtime_loader"
@@ -10332,7 +10438,7 @@ hpux9* | hpux10* | hpux11*)
   ;;
 
 interix[3-9]*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
@@ -10348,7 +10454,7 @@ irix5* | irix6* | nonstopux*)
     nonstopux*) version_type=nonstopux ;;
     *)
 	if test "$lt_cv_prog_gnu_ld" = yes; then
-		version_type=linux
+		version_type=linux # correct to gnu/linux during the next big refactor
 	else
 		version_type=irix
 	fi ;;
@@ -10385,9 +10491,9 @@ linux*oldld* | linux*aout* | linux*coff*)
   dynamic_linker=no
   ;;
 
-# This must be Linux ELF.
+# This must be glibc/ELF.
 linux* | k*bsd*-gnu | kopensolaris*-gnu)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
@@ -10469,7 +10575,7 @@ netbsd*)
   ;;
 
 newsos6)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
   shlibpath_var=LD_LIBRARY_PATH
   shlibpath_overrides_runpath=yes
@@ -10538,7 +10644,7 @@ rdos*)
   ;;
 
 solaris*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
@@ -10563,7 +10669,7 @@ sunos4*)
   ;;
 
 sysv4 | sysv4.3*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
   soname_spec='${libname}${release}${shared_ext}$major'
   shlibpath_var=LD_LIBRARY_PATH
@@ -10587,7 +10693,7 @@ sysv4 | sysv4.3*)
 
 sysv4*MP*)
   if test -d /usr/nec ;then
-    version_type=linux
+    version_type=linux # correct to gnu/linux during the next big refactor
     library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}'
     soname_spec='$libname${shared_ext}.$major'
     shlibpath_var=LD_LIBRARY_PATH
@@ -10618,7 +10724,7 @@ sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
 
 tpf*)
   # TPF is a cross-target only.  Preferred cross-host = GNU/Linux.
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
@@ -10628,7 +10734,7 @@ tpf*)
   ;;
 
 uts4*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
   soname_spec='${libname}${release}${shared_ext}$major'
   shlibpath_var=LD_LIBRARY_PATH
@@ -11410,6 +11516,8 @@ CC="$lt_save_CC"
 
 
 
+
+
         ac_config_commands="$ac_config_commands libtool"
 
 
@@ -11972,7 +12080,6 @@ export_dynamic_flag_spec_CXX=
 hardcode_direct_CXX=no
 hardcode_direct_absolute_CXX=no
 hardcode_libdir_flag_spec_CXX=
-hardcode_libdir_flag_spec_ld_CXX=
 hardcode_libdir_separator_CXX=
 hardcode_minus_L_CXX=no
 hardcode_shlibpath_var_CXX=unsupported
@@ -12556,6 +12663,7 @@ fi
   hardcode_shlibpath_var_CXX=unsupported
   if test "$lt_cv_ld_force_load" = "yes"; then
     whole_archive_flag_spec_CXX='`for conv in $convenience\"\"; do test  -n \"$conv\" && new_convenience=\"$new_convenience ${wl}-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`'
+
   else
     whole_archive_flag_spec_CXX=''
   fi
@@ -13276,6 +13384,7 @@ _lt_libdeps_save_CFLAGS=$CFLAGS
 case "$CC $CFLAGS " in #(
 *\ -flto*\ *) CFLAGS="$CFLAGS -fno-lto" ;;
 *\ -fwhopr*\ *) CFLAGS="$CFLAGS -fno-whopr" ;;
+*\ -fuse-linker-plugin*\ *) CFLAGS="$CFLAGS -fno-use-linker-plugin" ;;
 esac
 
 if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
@@ -14065,7 +14174,9 @@ $as_echo_n "checking whether the $compiler linker ($LD) supports shared librarie
     ;;
   cygwin* | mingw* | cegcc*)
     case $cc_basename in
-    cl*) ;;
+    cl*)
+      exclude_expsyms_CXX='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*'
+      ;;
     *)
       export_symbols_cmds_CXX='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1 DATA/;s/^.*[ ]__nm__\([^ ]*\)[ ][^ ]*/\1 DATA/;/^I[ ]/d;/^[AITW][ ]/s/.* //'\'' | sort | uniq > $export_symbols'
       exclude_expsyms_CXX='[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname'
@@ -14215,8 +14326,6 @@ esac
 
 
 
-
-
 
 
 
@@ -14245,7 +14354,7 @@ need_version=unknown
 
 case $host_os in
 aix3*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a'
   shlibpath_var=LIBPATH
 
@@ -14254,7 +14363,7 @@ aix3*)
   ;;
 
 aix[4-9]*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
   hardcode_into_libs=yes
@@ -14319,7 +14428,7 @@ beos*)
   ;;
 
 bsdi[45]*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   need_version=no
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
   soname_spec='${libname}${release}${shared_ext}$major'
@@ -14456,7 +14565,7 @@ darwin* | rhapsody*)
   ;;
 
 dgux*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext'
@@ -14509,17 +14618,18 @@ freebsd* | dragonfly*)
   ;;
 
 gnu*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
   soname_spec='${libname}${release}${shared_ext}$major'
   shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
   hardcode_into_libs=yes
   ;;
 
 haiku*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
   dynamic_linker="$host_os runtime_loader"
@@ -14580,7 +14690,7 @@ hpux9* | hpux10* | hpux11*)
   ;;
 
 interix[3-9]*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
@@ -14596,7 +14706,7 @@ irix5* | irix6* | nonstopux*)
     nonstopux*) version_type=nonstopux ;;
     *)
 	if test "$lt_cv_prog_gnu_ld" = yes; then
-		version_type=linux
+		version_type=linux # correct to gnu/linux during the next big refactor
 	else
 		version_type=irix
 	fi ;;
@@ -14633,9 +14743,9 @@ linux*oldld* | linux*aout* | linux*coff*)
   dynamic_linker=no
   ;;
 
-# This must be Linux ELF.
+# This must be glibc/ELF.
 linux* | k*bsd*-gnu | kopensolaris*-gnu)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
@@ -14717,7 +14827,7 @@ netbsd*)
   ;;
 
 newsos6)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
   shlibpath_var=LD_LIBRARY_PATH
   shlibpath_overrides_runpath=yes
@@ -14786,7 +14896,7 @@ rdos*)
   ;;
 
 solaris*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
@@ -14811,7 +14921,7 @@ sunos4*)
   ;;
 
 sysv4 | sysv4.3*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
   soname_spec='${libname}${release}${shared_ext}$major'
   shlibpath_var=LD_LIBRARY_PATH
@@ -14835,7 +14945,7 @@ sysv4 | sysv4.3*)
 
 sysv4*MP*)
   if test -d /usr/nec ;then
-    version_type=linux
+    version_type=linux # correct to gnu/linux during the next big refactor
     library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}'
     soname_spec='$libname${shared_ext}.$major'
     shlibpath_var=LD_LIBRARY_PATH
@@ -14866,7 +14976,7 @@ sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
 
 tpf*)
   # TPF is a cross-target only.  Preferred cross-host = GNU/Linux.
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   need_lib_prefix=no
   need_version=no
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
@@ -14876,7 +14986,7 @@ tpf*)
   ;;
 
 uts4*)
-  version_type=linux
+  version_type=linux # correct to gnu/linux during the next big refactor
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
   soname_spec='${libname}${release}${shared_ext}$major'
   shlibpath_var=LD_LIBRARY_PATH
@@ -16212,8 +16322,6 @@ for ac_func in \
     strtol \
     sizeof \
     tcgetattr \
-    be32toh \
-    htobe32 \
     umask \
     towlower \
     getopt_long \
@@ -16231,6 +16339,107 @@ fi
 done
 
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for be32toh" >&5
+$as_echo_n "checking for be32toh... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include "libpcp/pcp/config.h"
+#ifdef HAVE_ENDIAN_H
+#include <endian.h>
+#endif
+#ifdef HAVE_SYS_ENDIAN_H
+#include <sys/endian.h>
+#endif
+
+int
+main ()
+{
+
+        (void)be32toh(0);
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+else
+
+
+$as_echo "#define HAVE_BE32TOH /**/" >>confdefs.h
+
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for htobe32" >&5
+$as_echo_n "checking for htobe32... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include "libpcp/pcp/config.h"
+#ifdef HAVE_ENDIAN_H
+#include <endian.h>
+#endif
+#ifdef HAVE_SYS_ENDIAN_H
+#include <sys/endian.h>
+#endif
+
+int
+main ()
+{
+
+        (void)htobe32(0);
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+else
+
+
+$as_echo "#define HAVE_HTOBE32 /**/" >>confdefs.h
+
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+
+# scrypt checks
+ac_fn_c_check_decl "$LINENO" "be64enc" "ac_cv_have_decl_be64enc" "#include <sys/endian.h>
+"
+if test "x$ac_cv_have_decl_be64enc" = xyes; then :
+  ac_have_decl=1
+else
+  ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_BE64ENC $ac_have_decl
+_ACEOF
+
+for ac_func in posix_memalign
+do :
+  ac_fn_c_check_func "$LINENO" "posix_memalign" "ac_cv_func_posix_memalign"
+if test "x$ac_cv_func_posix_memalign" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_POSIX_MEMALIGN 1
+_ACEOF
+
+fi
+done
+
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking compiler and flags for sanity" >&5
 $as_echo_n "checking compiler and flags for sanity... " >&6; }
 if test "$cross_compiling" = yes; then :
@@ -17260,6 +17469,7 @@ pic_mode='`$ECHO "$pic_mode" | $SED "$delay_single_quote_subst"`'
 enable_fast_install='`$ECHO "$enable_fast_install" | $SED "$delay_single_quote_subst"`'
 SHELL='`$ECHO "$SHELL" | $SED "$delay_single_quote_subst"`'
 ECHO='`$ECHO "$ECHO" | $SED "$delay_single_quote_subst"`'
+PATH_SEPARATOR='`$ECHO "$PATH_SEPARATOR" | $SED "$delay_single_quote_subst"`'
 host_alias='`$ECHO "$host_alias" | $SED "$delay_single_quote_subst"`'
 host='`$ECHO "$host" | $SED "$delay_single_quote_subst"`'
 host_os='`$ECHO "$host_os" | $SED "$delay_single_quote_subst"`'
@@ -17342,7 +17552,6 @@ with_gnu_ld='`$ECHO "$with_gnu_ld" | $SED "$delay_single_quote_subst"`'
 allow_undefined_flag='`$ECHO "$allow_undefined_flag" | $SED "$delay_single_quote_subst"`'
 no_undefined_flag='`$ECHO "$no_undefined_flag" | $SED "$delay_single_quote_subst"`'
 hardcode_libdir_flag_spec='`$ECHO "$hardcode_libdir_flag_spec" | $SED "$delay_single_quote_subst"`'
-hardcode_libdir_flag_spec_ld='`$ECHO "$hardcode_libdir_flag_spec_ld" | $SED "$delay_single_quote_subst"`'
 hardcode_libdir_separator='`$ECHO "$hardcode_libdir_separator" | $SED "$delay_single_quote_subst"`'
 hardcode_direct='`$ECHO "$hardcode_direct" | $SED "$delay_single_quote_subst"`'
 hardcode_direct_absolute='`$ECHO "$hardcode_direct_absolute" | $SED "$delay_single_quote_subst"`'
@@ -17414,7 +17623,6 @@ with_gnu_ld_CXX='`$ECHO "$with_gnu_ld_CXX" | $SED "$delay_single_quote_subst"`'
 allow_undefined_flag_CXX='`$ECHO "$allow_undefined_flag_CXX" | $SED "$delay_single_quote_subst"`'
 no_undefined_flag_CXX='`$ECHO "$no_undefined_flag_CXX" | $SED "$delay_single_quote_subst"`'
 hardcode_libdir_flag_spec_CXX='`$ECHO "$hardcode_libdir_flag_spec_CXX" | $SED "$delay_single_quote_subst"`'
-hardcode_libdir_flag_spec_ld_CXX='`$ECHO "$hardcode_libdir_flag_spec_ld_CXX" | $SED "$delay_single_quote_subst"`'
 hardcode_libdir_separator_CXX='`$ECHO "$hardcode_libdir_separator_CXX" | $SED "$delay_single_quote_subst"`'
 hardcode_direct_CXX='`$ECHO "$hardcode_direct_CXX" | $SED "$delay_single_quote_subst"`'
 hardcode_direct_absolute_CXX='`$ECHO "$hardcode_direct_absolute_CXX" | $SED "$delay_single_quote_subst"`'
@@ -17453,6 +17661,7 @@ _LTECHO_EOF'
 # Quote evaled strings.
 for var in SHELL \
 ECHO \
+PATH_SEPARATOR \
 SED \
 GREP \
 EGREP \
@@ -17503,7 +17712,6 @@ with_gnu_ld \
 allow_undefined_flag \
 no_undefined_flag \
 hardcode_libdir_flag_spec \
-hardcode_libdir_flag_spec_ld \
 hardcode_libdir_separator \
 exclude_expsyms \
 include_expsyms \
@@ -17537,7 +17745,6 @@ with_gnu_ld_CXX \
 allow_undefined_flag_CXX \
 no_undefined_flag_CXX \
 hardcode_libdir_flag_spec_CXX \
-hardcode_libdir_flag_spec_ld_CXX \
 hardcode_libdir_separator_CXX \
 exclude_expsyms_CXX \
 include_expsyms_CXX \
@@ -18349,8 +18556,8 @@ $as_echo X"$file" |
 # NOTE: Changes made to this file will be lost: look at ltmain.sh.
 #
 #   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,
-#                 2006, 2007, 2008, 2009, 2010 Free Software Foundation,
+#                 2006, 2007, 2008, 2009, 2010, 2011 Free Software
-#                 Inc.
+#                 Foundation, Inc.
 #   Written by Gordon Matzigkeit, 1996
 #
 #   This file is part of GNU Libtool.
@@ -18404,6 +18611,9 @@ SHELL=$lt_SHELL
 # An echo program that protects backslashes.
 ECHO=$lt_ECHO
 
+# The PATH separator for the build system.
+PATH_SEPARATOR=$lt_PATH_SEPARATOR
+
 # The host system.
 host_alias=$host_alias
 host=$host
@@ -18705,10 +18915,6 @@ no_undefined_flag=$lt_no_undefined_flag
 # This must work even if \$libdir does not exist
 hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec
 
-# If ld is used when linking, flag to hardcode \$libdir into a binary
-# during linking.  This must work even if \$libdir does not exist.
-hardcode_libdir_flag_spec_ld=$lt_hardcode_libdir_flag_spec_ld
-
 # Whether we need a single "-rpath" flag with a separated argument.
 hardcode_libdir_separator=$lt_hardcode_libdir_separator
 
@@ -19051,10 +19257,6 @@ no_undefined_flag=$lt_no_undefined_flag_CXX
 # This must work even if \$libdir does not exist
 hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec_CXX
 
-# If ld is used when linking, flag to hardcode \$libdir into a binary
-# during linking.  This must work even if \$libdir does not exist.
-hardcode_libdir_flag_spec_ld=$lt_hardcode_libdir_flag_spec_ld_CXX
-
 # Whether we need a single "-rpath" flag with a separated argument.
 hardcode_libdir_separator=$lt_hardcode_libdir_separator_CXX
 

configure.ac

@@ -79,14 +79,48 @@ AC_CHECK_FUNCS( \
     strtol \
     sizeof \
     tcgetattr \
-    be32toh \
-    htobe32 \
     umask \
     towlower \
     getopt_long \
     vasprintf
 )
 
+AC_MSG_CHECKING([for be32toh])
+AC_TRY_LINK([
+#include "libpcp/pcp/config.h"
+#ifdef HAVE_ENDIAN_H
+#include <endian.h>
+#endif
+#ifdef HAVE_SYS_ENDIAN_H
+#include <sys/endian.h>
+#endif
+], [
+        (void)be32toh(0);
+], [AC_MSG_RESULT([no])], [
+        AC_DEFINE(HAVE_BE32TOH,, Define if be32toh() is available)
+        AC_MSG_RESULT([yes])
+])
+
+AC_MSG_CHECKING([for htobe32])
+AC_TRY_LINK([
+#include "libpcp/pcp/config.h"
+#ifdef HAVE_ENDIAN_H
+#include <endian.h>
+#endif
+#ifdef HAVE_SYS_ENDIAN_H
+#include <sys/endian.h>
+#endif
+], [
+        (void)htobe32(0);
+], [AC_MSG_RESULT([no])], [
+        AC_DEFINE(HAVE_HTOBE32,, Define if htobe32() is available)
+        AC_MSG_RESULT([yes])
+])
+
+# scrypt checks
+AC_CHECK_DECLS([be64enc], [], [], [[#include <sys/endian.h>]])
+AC_CHECK_FUNCS(posix_memalign)
+
 AC_MSG_CHECKING([compiler and flags for sanity])
 AC_RUN_IFELSE([AC_LANG_PROGRAM([[ #include <stdio.h> ]], [[ exit(0); ]])],
         [       AC_MSG_RESULT([yes]) ],

include/Makefile.in

@@ -1,4 +1,4 @@
-# Makefile.in generated by automake 1.12.4 from Makefile.am.
+# Makefile.in generated by automake 1.12.6 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994-2012 Free Software Foundation, Inc.

include/pcp.h

@@ -18,6 +18,7 @@ extern "C" {
 #include "pcp/pad.h"
 #include "pcp/platform.h"
 #include "pcp/randomart.h"
+#include "pcp/scrypt.h"
 #include "pcp/uthash.h"
 #include "pcp/vault.h"
 #include "pcp/version.h"

include/pcp/config.h.in

@@ -6,9 +6,13 @@
 /* Define to 1 if you have the <arpa/inet.h> header file. */
 #undef HAVE_ARPA_INET_H
 
-/* Define to 1 if you have the `be32toh' function. */
+/* Define if be32toh() is available */
 #undef HAVE_BE32TOH
 
+/* Define to 1 if you have the declaration of `be64enc', and to 0 if you
+   don't. */
+#undef HAVE_DECL_BE64ENC
+
 /* Define to 1 if you have the <dlfcn.h> header file. */
 #undef HAVE_DLFCN_H
 
@@ -48,7 +52,7 @@
 /* Define to 1 if you have the `getopt_long' function. */
 #undef HAVE_GETOPT_LONG
 
-/* Define to 1 if you have the `htobe32' function. */
+/* Define if htobe32() is available */
 #undef HAVE_HTOBE32
 
 /* Define to 1 if you have the <inttypes.h> header file. */
@@ -81,6 +85,9 @@
 /* Define to 1 if you have the `perror' function. */
 #undef HAVE_PERROR
 
+/* Define to 1 if you have the `posix_memalign' function. */
+#undef HAVE_POSIX_MEMALIGN
+
 /* Define to 1 if you have the `sizeof' function. */
 #undef HAVE_SIZEOF
 

include/pcp/key.h

@@ -37,6 +37,7 @@
 #include "z85.h"
 #include "uthash.h"
 #include "jenhash.h"
+#include "scrypt.h"
 
 /*
   PCP private key structure. Most fields are self explanatory.
@@ -138,20 +139,8 @@ unsigned char * pcp_gennonce();
 
 void pcpedit_key(char *keyid);
 
-// proprietary key derivation function. derives an
+// use scrypt() to create a key from a passphrase and a nonce
-// secure encryption key from the given passphrase by
+unsigned char *pcp_derivekey(char *passphrase, unsigned char *nonce);
-// calculating a SALSA20 hash from it HCYCLES times.
-// 
-// turns the result into a proper CURVE25519 secret
-// key. allocates memory for key and it is up to the
-// user to free it after use.
-// 
-// deprecation warning: maybe removed once the libsodium
-// developers incorporated some key derivation function
-// into libsodium. so far, there's none but word goes
-// that perhaps something like scrypt() from the star
-// distribution may be added in the future.
-unsigned char *pcp_derivekey(char *passphrase);
 
 pcp_key_t *pcp_derive_pcpkey (pcp_key_t *ours, char *theirs);
 

include/pcp/scrypt.h

@@ -0,0 +1,42 @@
+/*
+    This file is part of Pretty Curved Privacy (pcp1).
+
+    Copyright (C) 2013 T.Linden.
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+    You can contact me by mail: <tlinden AT cpan DOT org>.
+*/
+
+
+#ifndef _HAVE_PCP_SCRYPT_H
+#define _HAVE_PCP_SCRYPT_H
+
+#include <sys/types.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#include <sodium.h>
+
+#include "crypto_scrypt.h"
+#include "mem.h"
+#include "defines.h"
+
+unsigned char * pcp_scrypt(char *passwd, size_t passwdlen, unsigned char *nonce);
+
+#endif // _HAVE_PCP_SCRYPT_H
+

libpcp/Makefile.am

@@ -18,7 +18,7 @@
 #
 #    You can contact me by mail: <tlinden AT cpan DOT org>.
 #
-AM_CFLAGS = -I../include/pcp -Wall -g
+AM_CFLAGS = -I../include/pcp -Iscrypt/crypto -Iscrypt/util -Wall -g
 
 lib_LTLIBRARIES      = libpcp1.la
 
@@ -28,6 +28,7 @@ pkgconfig_DATA = libpcp1.pc
 libpcp1_la_SOURCES = mac.c mem.c pad.c version.c \
 		    z85.c zmq_z85.c key.c randomart.c \
 		    vault.c fatal.c jenhash.c digital_crc32.c \
-                    crypto.c ed.c keyhash.c
+                    crypto.c ed.c keyhash.c scrypt.c \
+		    scrypt/crypto/sha256.c scrypt/crypto/crypto_scrypt-nosse.c
 
 include_HEADERS      = ../include/pcp.h

libpcp/Makefile.in

@@ -1,4 +1,4 @@
-# Makefile.in generated by automake 1.12.4 from Makefile.am.
+# Makefile.in generated by automake 1.12.6 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994-2012 Free Software Foundation, Inc.
@@ -101,7 +101,8 @@ LTLIBRARIES = $(lib_LTLIBRARIES)
 libpcp1_la_LIBADD =
 am_libpcp1_la_OBJECTS = mac.lo mem.lo pad.lo version.lo z85.lo \
 	zmq_z85.lo key.lo randomart.lo vault.lo fatal.lo jenhash.lo \
-	digital_crc32.lo crypto.lo ed.lo keyhash.lo
+	digital_crc32.lo crypto.lo ed.lo keyhash.lo scrypt.lo \
+	sha256.lo crypto_scrypt-nosse.lo
 libpcp1_la_OBJECTS = $(am_libpcp1_la_OBJECTS)
 DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)/include/pcp
 depcomp = $(SHELL) $(top_srcdir)/config/depcomp
@@ -267,14 +268,15 @@ top_srcdir = @top_srcdir@
 #
 #    You can contact me by mail: <tlinden AT cpan DOT org>.
 #
-AM_CFLAGS = -I../include/pcp -Wall -g
+AM_CFLAGS = -I../include/pcp -Iscrypt/crypto -Iscrypt/util -Wall -g
 lib_LTLIBRARIES = libpcp1.la
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = libpcp1.pc
 libpcp1_la_SOURCES = mac.c mem.c pad.c version.c \
 		    z85.c zmq_z85.c key.c randomart.c \
 		    vault.c fatal.c jenhash.c digital_crc32.c \
-                    crypto.c ed.c keyhash.c
+                    crypto.c ed.c keyhash.c scrypt.c \
+		    scrypt/crypto/sha256.c scrypt/crypto/crypto_scrypt-nosse.c
 
 include_HEADERS = ../include/pcp.h
 all: all-am
@@ -357,6 +359,7 @@ distclean-compile:
 	-rm -f *.tab.c
 
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/crypto.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/crypto_scrypt-nosse.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/digital_crc32.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ed.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fatal.Plo@am__quote@
@@ -367,6 +370,8 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mem.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/pad.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/randomart.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/scrypt.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sha256.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/vault.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/version.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/z85.Plo@am__quote@
@@ -393,6 +398,20 @@ distclean-compile:
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@	$(LTCOMPILE) -c -o $@ $<
 
+sha256.lo: scrypt/crypto/sha256.c
+@am__fastdepCC_TRUE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT sha256.lo -MD -MP -MF $(DEPDIR)/sha256.Tpo -c -o sha256.lo `test -f 'scrypt/crypto/sha256.c' || echo '$(srcdir)/'`scrypt/crypto/sha256.c
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/sha256.Tpo $(DEPDIR)/sha256.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='scrypt/crypto/sha256.c' object='sha256.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o sha256.lo `test -f 'scrypt/crypto/sha256.c' || echo '$(srcdir)/'`scrypt/crypto/sha256.c
+
+crypto_scrypt-nosse.lo: scrypt/crypto/crypto_scrypt-nosse.c
+@am__fastdepCC_TRUE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT crypto_scrypt-nosse.lo -MD -MP -MF $(DEPDIR)/crypto_scrypt-nosse.Tpo -c -o crypto_scrypt-nosse.lo `test -f 'scrypt/crypto/crypto_scrypt-nosse.c' || echo '$(srcdir)/'`scrypt/crypto/crypto_scrypt-nosse.c
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/crypto_scrypt-nosse.Tpo $(DEPDIR)/crypto_scrypt-nosse.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='scrypt/crypto/crypto_scrypt-nosse.c' object='crypto_scrypt-nosse.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o crypto_scrypt-nosse.lo `test -f 'scrypt/crypto/crypto_scrypt-nosse.c' || echo '$(srcdir)/'`scrypt/crypto/crypto_scrypt-nosse.c
+
 mostlyclean-libtool:
 	-rm -f *.lo
 

libpcp/key.c

@@ -23,6 +23,33 @@
 #include "key.h"
 #include "keyhash.h"
 
+/*
+ * AS of 16/01/2014 I'm using scrypt() instead of my crafted key
+ * derivation function. However, I create a hash from the pcp_script()
+ * result anyway because I need a cure25519 secret.
+ */
+unsigned char *pcp_derivekey(char *passphrase, unsigned char *nonce) {
+  unsigned char *key = ucmalloc(crypto_secretbox_KEYBYTES);
+  size_t plen = strnlen(passphrase, 255);
+
+  // create the scrypt hash
+  unsigned char *scrypted = pcp_scrypt(passphrase, plen, nonce);
+
+  // make a hash from the scrypt() result
+  crypto_hash_sha256(key, (unsigned char*)scrypted, 64);
+
+  // turn the 32byte hash into a secret key
+  key[0]  &= 248;
+  key[31] &= 127;
+  key[31] |= 64;
+
+  memset(passphrase, 0, plen);
+
+  return key;
+}
+
+/*
+ * deprecated
 unsigned char *pcp_derivekey(char *passphrase) {
   unsigned char *hash32 = ucmalloc(crypto_hash_sha256_BYTES);
   unsigned char *key = ucmalloc(crypto_secretbox_KEYBYTES);
@@ -55,7 +82,7 @@ unsigned char *pcp_derivekey(char *passphrase) {
 
   return key;
 }
-
+*/
 
 char *pcp_getkeyid(pcp_key_t *k) {
   uint32_t s, p;
@@ -135,7 +162,7 @@ pcp_key_t *pcpkey_encrypt(pcp_key_t *key, char *passphrase) {
     memcpy (key->nonce, nonce, crypto_secretbox_NONCEBYTES);
   }
 
-  unsigned char *encryptkey = pcp_derivekey(passphrase);  
+  unsigned char *encryptkey = pcp_derivekey(passphrase, key->nonce);  
 
   unsigned char *encrypted;
   size_t es;
@@ -163,7 +190,7 @@ pcp_key_t *pcpkey_encrypt(pcp_key_t *key, char *passphrase) {
 }
 
 pcp_key_t *pcpkey_decrypt(pcp_key_t *key, char *passphrase) {
-  unsigned char *encryptkey = pcp_derivekey(passphrase);  
+  unsigned char *encryptkey = pcp_derivekey(passphrase, key->nonce);  
 
   unsigned char *decrypted;
   size_t es;

libpcp/scrypt.c

@@ -0,0 +1,42 @@
+/*
+    This file is part of Pretty Curved Privacy (pcp1).
+
+    Copyright (C) 2013 T.Linden.
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+    You can contact me by mail: <tlinden AT cpan DOT org>.
+*/
+
+#include "scrypt.h"
+
+unsigned char* pcp_scrypt(char *passwd, size_t passwdlen, unsigned char *nonce) {
+  uint8_t *dk = ucmalloc(64); // resulting hash
+
+  // constants
+  uint64_t N = 1 << 14;
+  uint32_t r = 8;
+  uint32_t p = 1;
+  size_t buflen = 64;
+
+  if (crypto_scrypt(passwd, passwdlen, (uint8_t *)nonce, crypto_secretbox_NONCEBYTES, N, r, p, dk, buflen) == 0) {
+    return dk;
+  }
+  else {
+    fatal("crypto_scrypt() failed");
+    return NULL;
+  }
+
+  return NULL;
+}

libpcp/scrypt/README

@@ -0,0 +1,6 @@
+The source code under this directory is taken from the client for the
+Tarsnap online backup system (and released under the 2-clause BSD license
+with permission of the author); keeping this code in sync with the Tarsnap
+code is highly desirable and explains why there is some functionality
+included here which is not actually used by the scrypt file encryption
+utility.

libpcp/scrypt/crypto/crypto_aesctr.c

@@ -0,0 +1,124 @@
+/*-
+ * Copyright 2007-2009 Colin Percival
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This file was originally written by Colin Percival as part of the Tarsnap
+ * online backup system.
+ */
+#include "scrypt_platform.h"
+
+#include <stdint.h>
+#include <stdlib.h>
+
+#include <openssl/aes.h>
+
+#include "sysendian.h"
+
+#include "crypto_aesctr.h"
+
+struct crypto_aesctr {
+	AES_KEY * key;
+	uint64_t nonce;
+	uint64_t bytectr;
+	uint8_t buf[16];
+};
+
+/**
+ * crypto_aesctr_init(key, nonce):
+ * Prepare to encrypt/decrypt data with AES in CTR mode, using the provided
+ * expanded key and nonce.  The key provided must remain valid for the
+ * lifetime of the stream.
+ */
+struct crypto_aesctr *
+crypto_aesctr_init(AES_KEY * key, uint64_t nonce)
+{
+	struct crypto_aesctr * stream;
+
+	/* Allocate memory. */
+	if ((stream = malloc(sizeof(struct crypto_aesctr))) == NULL)
+		goto err0;
+
+	/* Initialize values. */
+	stream->key = key;
+	stream->nonce = nonce;
+	stream->bytectr = 0;
+
+	/* Success! */
+	return (stream);
+
+err0:
+	/* Failure! */
+	return (NULL);
+}
+
+/**
+ * crypto_aesctr_stream(stream, inbuf, outbuf, buflen):
+ * Generate the next ${buflen} bytes of the AES-CTR stream and xor them with
+ * bytes from ${inbuf}, writing the result into ${outbuf}.  If the buffers
+ * ${inbuf} and ${outbuf} overlap, they must be identical.
+ */
+void
+crypto_aesctr_stream(struct crypto_aesctr * stream, const uint8_t * inbuf,
+    uint8_t * outbuf, size_t buflen)
+{
+	uint8_t pblk[16];
+	size_t pos;
+	int bytemod;
+
+	for (pos = 0; pos < buflen; pos++) {
+		/* How far through the buffer are we? */
+		bytemod = stream->bytectr % 16;
+
+		/* Generate a block of cipherstream if needed. */
+		if (bytemod == 0) {
+			be64enc(pblk, stream->nonce);
+			be64enc(pblk + 8, stream->bytectr / 16);
+			AES_encrypt(pblk, stream->buf, stream->key);
+		}
+
+		/* Encrypt a byte. */
+		outbuf[pos] = inbuf[pos] ^ stream->buf[bytemod];
+
+		/* Move to the next byte of cipherstream. */
+		stream->bytectr += 1;
+	}
+}
+
+/**
+ * crypto_aesctr_free(stream):
+ * Free the provided stream object.
+ */
+void
+crypto_aesctr_free(struct crypto_aesctr * stream)
+{
+	int i;
+
+	/* Zero potentially sensitive information. */
+	for (i = 0; i < 16; i++)
+		stream->buf[i] = 0;
+	stream->bytectr = stream->nonce = 0;
+
+	/* Free the stream. */
+	free(stream);
+}

libpcp/scrypt/crypto/crypto_aesctr.h

@@ -0,0 +1,59 @@
+/*-
+ * Copyright 2009 Colin Percival
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This file was originally written by Colin Percival as part of the Tarsnap
+ * online backup system.
+ */
+#ifndef _CRYPTO_AESCTR_H_
+#define _CRYPTO_AESCTR_H_
+
+#include <stdint.h>
+
+#include <openssl/aes.h>
+
+/**
+ * crypto_aesctr_init(key, nonce):
+ * Prepare to encrypt/decrypt data with AES in CTR mode, using the provided
+ * expanded key and nonce.  The key provided must remain valid for the
+ * lifetime of the stream.
+ */
+struct crypto_aesctr * crypto_aesctr_init(AES_KEY *, uint64_t);
+
+/**
+ * crypto_aesctr_stream(stream, inbuf, outbuf, buflen):
+ * Generate the next ${buflen} bytes of the AES-CTR stream and xor them with
+ * bytes from ${inbuf}, writing the result into ${outbuf}.  If the buffers
+ * ${inbuf} and ${outbuf} overlap, they must be identical.
+ */
+void crypto_aesctr_stream(struct crypto_aesctr *, const uint8_t *,
+    uint8_t *, size_t);
+
+/**
+ * crypto_aesctr_free(stream):
+ * Free the provided stream object.
+ */
+void crypto_aesctr_free(struct crypto_aesctr *);
+
+#endif /* !_CRYPTO_AESCTR_H_ */

libpcp/scrypt/crypto/crypto_scrypt-nosse.c

@@ -0,0 +1,338 @@
+/*-
+ * Copyright 2009 Colin Percival
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This file was originally written by Colin Percival as part of the Tarsnap
+ * online backup system.
+ */
+#include "scrypt_platform.h"
+
+#include <sys/types.h>
+#include <sys/mman.h>
+
+#include <errno.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "sha256.h"
+#include "sysendian.h"
+
+#include "crypto_scrypt.h"
+
+static void blkcpy(void *, void *, size_t);
+static void blkxor(void *, void *, size_t);
+static void salsa20_8(uint32_t[16]);
+static void blockmix_salsa8(uint32_t *, uint32_t *, uint32_t *, size_t);
+static uint64_t integerify(void *, size_t);
+static void smix(uint8_t *, size_t, uint64_t, uint32_t *, uint32_t *);
+
+static void
+blkcpy(void * dest, void * src, size_t len)
+{
+	size_t * D = dest;
+	size_t * S = src;
+	size_t L = len / sizeof(size_t);
+	size_t i;
+
+	for (i = 0; i < L; i++)
+		D[i] = S[i];
+}
+
+static void
+blkxor(void * dest, void * src, size_t len)
+{
+	size_t * D = dest;
+	size_t * S = src;
+	size_t L = len / sizeof(size_t);
+	size_t i;
+
+	for (i = 0; i < L; i++)
+		D[i] ^= S[i];
+}
+
+/**
+ * salsa20_8(B):
+ * Apply the salsa20/8 core to the provided block.
+ */
+static void
+salsa20_8(uint32_t B[16])
+{
+	uint32_t x[16];
+	size_t i;
+
+	blkcpy(x, B, 64);
+	for (i = 0; i < 8; i += 2) {
+#define R(a,b) (((a) << (b)) | ((a) >> (32 - (b))))
+		/* Operate on columns. */
+		x[ 4] ^= R(x[ 0]+x[12], 7);  x[ 8] ^= R(x[ 4]+x[ 0], 9);
+		x[12] ^= R(x[ 8]+x[ 4],13);  x[ 0] ^= R(x[12]+x[ 8],18);
+
+		x[ 9] ^= R(x[ 5]+x[ 1], 7);  x[13] ^= R(x[ 9]+x[ 5], 9);
+		x[ 1] ^= R(x[13]+x[ 9],13);  x[ 5] ^= R(x[ 1]+x[13],18);
+
+		x[14] ^= R(x[10]+x[ 6], 7);  x[ 2] ^= R(x[14]+x[10], 9);
+		x[ 6] ^= R(x[ 2]+x[14],13);  x[10] ^= R(x[ 6]+x[ 2],18);
+
+		x[ 3] ^= R(x[15]+x[11], 7);  x[ 7] ^= R(x[ 3]+x[15], 9);
+		x[11] ^= R(x[ 7]+x[ 3],13);  x[15] ^= R(x[11]+x[ 7],18);
+
+		/* Operate on rows. */
+		x[ 1] ^= R(x[ 0]+x[ 3], 7);  x[ 2] ^= R(x[ 1]+x[ 0], 9);
+		x[ 3] ^= R(x[ 2]+x[ 1],13);  x[ 0] ^= R(x[ 3]+x[ 2],18);
+
+		x[ 6] ^= R(x[ 5]+x[ 4], 7);  x[ 7] ^= R(x[ 6]+x[ 5], 9);
+		x[ 4] ^= R(x[ 7]+x[ 6],13);  x[ 5] ^= R(x[ 4]+x[ 7],18);
+
+		x[11] ^= R(x[10]+x[ 9], 7);  x[ 8] ^= R(x[11]+x[10], 9);
+		x[ 9] ^= R(x[ 8]+x[11],13);  x[10] ^= R(x[ 9]+x[ 8],18);
+
+		x[12] ^= R(x[15]+x[14], 7);  x[13] ^= R(x[12]+x[15], 9);
+		x[14] ^= R(x[13]+x[12],13);  x[15] ^= R(x[14]+x[13],18);
+#undef R
+	}
+	for (i = 0; i < 16; i++)
+		B[i] += x[i];
+}
+
+/**
+ * blockmix_salsa8(Bin, Bout, X, r):
+ * Compute Bout = BlockMix_{salsa20/8, r}(Bin).  The input Bin must be 128r
+ * bytes in length; the output Bout must also be the same size.  The
+ * temporary space X must be 64 bytes.
+ */
+static void
+blockmix_salsa8(uint32_t * Bin, uint32_t * Bout, uint32_t * X, size_t r)
+{
+	size_t i;
+
+	/* 1: X <-- B_{2r - 1} */
+	blkcpy(X, &Bin[(2 * r - 1) * 16], 64);
+
+	/* 2: for i = 0 to 2r - 1 do */
+	for (i = 0; i < 2 * r; i += 2) {
+		/* 3: X <-- H(X \xor B_i) */
+		blkxor(X, &Bin[i * 16], 64);
+		salsa20_8(X);
+
+		/* 4: Y_i <-- X */
+		/* 6: B' <-- (Y_0, Y_2 ... Y_{2r-2}, Y_1, Y_3 ... Y_{2r-1}) */
+		blkcpy(&Bout[i * 8], X, 64);
+
+		/* 3: X <-- H(X \xor B_i) */
+		blkxor(X, &Bin[i * 16 + 16], 64);
+		salsa20_8(X);
+
+		/* 4: Y_i <-- X */
+		/* 6: B' <-- (Y_0, Y_2 ... Y_{2r-2}, Y_1, Y_3 ... Y_{2r-1}) */
+		blkcpy(&Bout[i * 8 + r * 16], X, 64);
+	}
+}
+
+/**
+ * integerify(B, r):
+ * Return the result of parsing B_{2r-1} as a little-endian integer.
+ */
+static uint64_t
+integerify(void * B, size_t r)
+{
+	uint32_t * X = (void *)((uintptr_t)(B) + (2 * r - 1) * 64);
+
+	return (((uint64_t)(X[1]) << 32) + X[0]);
+}
+
+/**
+ * smix(B, r, N, V, XY):
+ * Compute B = SMix_r(B, N).  The input B must be 128r bytes in length;
+ * the temporary storage V must be 128rN bytes in length; the temporary
+ * storage XY must be 256r + 64 bytes in length.  The value N must be a
+ * power of 2 greater than 1.  The arrays B, V, and XY must be aligned to a
+ * multiple of 64 bytes.
+ */
+static void
+smix(uint8_t * B, size_t r, uint64_t N, uint32_t * V, uint32_t * XY)
+{
+	uint32_t * X = XY;
+	uint32_t * Y = &XY[32 * r];
+	uint32_t * Z = &XY[64 * r];
+	uint64_t i;
+	uint64_t j;
+	size_t k;
+
+	/* 1: X <-- B */
+	for (k = 0; k < 32 * r; k++)
+		X[k] = le32dec(&B[4 * k]);
+
+	/* 2: for i = 0 to N - 1 do */
+	for (i = 0; i < N; i += 2) {
+		/* 3: V_i <-- X */
+		blkcpy(&V[i * (32 * r)], X, 128 * r);
+
+		/* 4: X <-- H(X) */
+		blockmix_salsa8(X, Y, Z, r);
+
+		/* 3: V_i <-- X */
+		blkcpy(&V[(i + 1) * (32 * r)], Y, 128 * r);
+
+		/* 4: X <-- H(X) */
+		blockmix_salsa8(Y, X, Z, r);
+	}
+
+	/* 6: for i = 0 to N - 1 do */
+	for (i = 0; i < N; i += 2) {
+		/* 7: j <-- Integerify(X) mod N */
+		j = integerify(X, r) & (N - 1);
+
+		/* 8: X <-- H(X \xor V_j) */
+		blkxor(X, &V[j * (32 * r)], 128 * r);
+		blockmix_salsa8(X, Y, Z, r);
+
+		/* 7: j <-- Integerify(X) mod N */
+		j = integerify(Y, r) & (N - 1);
+
+		/* 8: X <-- H(X \xor V_j) */
+		blkxor(Y, &V[j * (32 * r)], 128 * r);
+		blockmix_salsa8(Y, X, Z, r);
+	}
+
+	/* 10: B' <-- X */
+	for (k = 0; k < 32 * r; k++)
+		le32enc(&B[4 * k], X[k]);
+}
+
+/**
+ * crypto_scrypt(passwd, passwdlen, salt, saltlen, N, r, p, buf, buflen):
+ * Compute scrypt(passwd[0 .. passwdlen - 1], salt[0 .. saltlen - 1], N, r,
+ * p, buflen) and write the result into buf.  The parameters r, p, and buflen
+ * must satisfy r * p < 2^30 and buflen <= (2^32 - 1) * 32.  The parameter N
+ * must be a power of 2 greater than 1.
+ *
+ * Return 0 on success; or -1 on error.
+ */
+int
+crypto_scrypt(const uint8_t * passwd, size_t passwdlen,
+    const uint8_t * salt, size_t saltlen, uint64_t N, uint32_t r, uint32_t p,
+    uint8_t * buf, size_t buflen)
+{
+	void * B0, * V0, * XY0;
+	uint8_t * B;
+	uint32_t * V;
+	uint32_t * XY;
+	uint32_t i;
+
+	/* Sanity-check parameters. */
+#if SIZE_MAX > UINT32_MAX
+	if (buflen > (((uint64_t)(1) << 32) - 1) * 32) {
+		errno = EFBIG;
+		goto err0;
+	}
+#endif
+	if ((uint64_t)(r) * (uint64_t)(p) >= (1 << 30)) {
+		errno = EFBIG;
+		goto err0;
+	}
+	if (((N & (N - 1)) != 0) || (N == 0)) {
+		errno = EINVAL;
+		goto err0;
+	}
+	if ((r > SIZE_MAX / 128 / p) ||
+#if SIZE_MAX / 256 <= UINT32_MAX
+	    (r > SIZE_MAX / 256) ||
+#endif
+	    (N > SIZE_MAX / 128 / r)) {
+		errno = ENOMEM;
+		goto err0;
+	}
+
+	/* Allocate memory. */
+#ifdef HAVE_POSIX_MEMALIGN
+	if ((errno = posix_memalign(&B0, 64, 128 * r * p)) != 0)
+		goto err0;
+	B = (uint8_t *)(B0);
+	if ((errno = posix_memalign(&XY0, 64, 256 * r + 64)) != 0)
+		goto err1;
+	XY = (uint32_t *)(XY0);
+#ifndef MAP_ANON
+	if ((errno = posix_memalign(&V0, 64, 128 * r * N)) != 0)
+		goto err2;
+	V = (uint32_t *)(V0);
+#endif
+#else
+	if ((B0 = malloc(128 * r * p + 63)) == NULL)
+		goto err0;
+	B = (uint8_t *)(((uintptr_t)(B0) + 63) & ~ (uintptr_t)(63));
+	if ((XY0 = malloc(256 * r + 64 + 63)) == NULL)
+		goto err1;
+	XY = (uint32_t *)(((uintptr_t)(XY0) + 63) & ~ (uintptr_t)(63));
+#ifndef MAP_ANON
+	if ((V0 = malloc(128 * r * N + 63)) == NULL)
+		goto err2;
+	V = (uint32_t *)(((uintptr_t)(V0) + 63) & ~ (uintptr_t)(63));
+#endif
+#endif
+#ifdef MAP_ANON
+	if ((V0 = mmap(NULL, 128 * r * N, PROT_READ | PROT_WRITE,
+#ifdef MAP_NOCORE
+	    MAP_ANON | MAP_PRIVATE | MAP_NOCORE,
+#else
+	    MAP_ANON | MAP_PRIVATE,
+#endif
+	    -1, 0)) == MAP_FAILED)
+		goto err2;
+	V = (uint32_t *)(V0);
+#endif
+
+	/* 1: (B_0 ... B_{p-1}) <-- PBKDF2(P, S, 1, p * MFLen) */
+	PBKDF2_SHA256(passwd, passwdlen, salt, saltlen, 1, B, p * 128 * r);
+
+	/* 2: for i = 0 to p - 1 do */
+	for (i = 0; i < p; i++) {
+		/* 3: B_i <-- MF(B_i, N) */
+		smix(&B[i * 128 * r], r, N, V, XY);
+	}
+
+	/* 5: DK <-- PBKDF2(P, B, 1, dkLen) */
+	PBKDF2_SHA256(passwd, passwdlen, B, p * 128 * r, 1, buf, buflen);
+
+	/* Free memory. */
+#ifdef MAP_ANON
+	if (munmap(V0, 128 * r * N))
+		goto err2;
+#else
+	free(V0);
+#endif
+	free(XY0);
+	free(B0);
+
+	/* Success! */
+	return (0);
+
+err2:
+	free(XY0);
+err1:
+	free(B0);
+err0:
+	/* Failure! */
+	return (-1);
+}

libpcp/scrypt/crypto/crypto_scrypt-ref.c

@@ -0,0 +1,284 @@
+/*-
+ * Copyright 2009 Colin Percival
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This file was originally written by Colin Percival as part of the Tarsnap
+ * online backup system.
+ */
+#include "scrypt_platform.h"
+
+#include <errno.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "sha256.h"
+#include "sysendian.h"
+
+#include "crypto_scrypt.h"
+
+static void blkcpy(uint8_t *, uint8_t *, size_t);
+static void blkxor(uint8_t *, uint8_t *, size_t);
+static void salsa20_8(uint8_t[64]);
+static void blockmix_salsa8(uint8_t *, uint8_t *, size_t);
+static uint64_t integerify(uint8_t *, size_t);
+static void smix(uint8_t *, size_t, uint64_t, uint8_t *, uint8_t *);
+
+static void
+blkcpy(uint8_t * dest, uint8_t * src, size_t len)
+{
+	size_t i;
+
+	for (i = 0; i < len; i++)
+		dest[i] = src[i];
+}
+
+static void
+blkxor(uint8_t * dest, uint8_t * src, size_t len)
+{
+	size_t i;
+
+	for (i = 0; i < len; i++)
+		dest[i] ^= src[i];
+}
+
+/**
+ * salsa20_8(B):
+ * Apply the salsa20/8 core to the provided block.
+ */
+static void
+salsa20_8(uint8_t B[64])
+{
+	uint32_t B32[16];
+	uint32_t x[16];
+	size_t i;
+
+	/* Convert little-endian values in. */
+	for (i = 0; i < 16; i++)
+		B32[i] = le32dec(&B[i * 4]);
+
+	/* Compute x = doubleround^4(B32). */
+	for (i = 0; i < 16; i++)
+		x[i] = B32[i];
+	for (i = 0; i < 8; i += 2) {
+#define R(a,b) (((a) << (b)) | ((a) >> (32 - (b))))
+		/* Operate on columns. */
+		x[ 4] ^= R(x[ 0]+x[12], 7);  x[ 8] ^= R(x[ 4]+x[ 0], 9);
+		x[12] ^= R(x[ 8]+x[ 4],13);  x[ 0] ^= R(x[12]+x[ 8],18);
+
+		x[ 9] ^= R(x[ 5]+x[ 1], 7);  x[13] ^= R(x[ 9]+x[ 5], 9);
+		x[ 1] ^= R(x[13]+x[ 9],13);  x[ 5] ^= R(x[ 1]+x[13],18);
+
+		x[14] ^= R(x[10]+x[ 6], 7);  x[ 2] ^= R(x[14]+x[10], 9);
+		x[ 6] ^= R(x[ 2]+x[14],13);  x[10] ^= R(x[ 6]+x[ 2],18);
+
+		x[ 3] ^= R(x[15]+x[11], 7);  x[ 7] ^= R(x[ 3]+x[15], 9);
+		x[11] ^= R(x[ 7]+x[ 3],13);  x[15] ^= R(x[11]+x[ 7],18);
+
+		/* Operate on rows. */
+		x[ 1] ^= R(x[ 0]+x[ 3], 7);  x[ 2] ^= R(x[ 1]+x[ 0], 9);
+		x[ 3] ^= R(x[ 2]+x[ 1],13);  x[ 0] ^= R(x[ 3]+x[ 2],18);
+
+		x[ 6] ^= R(x[ 5]+x[ 4], 7);  x[ 7] ^= R(x[ 6]+x[ 5], 9);
+		x[ 4] ^= R(x[ 7]+x[ 6],13);  x[ 5] ^= R(x[ 4]+x[ 7],18);
+
+		x[11] ^= R(x[10]+x[ 9], 7);  x[ 8] ^= R(x[11]+x[10], 9);
+		x[ 9] ^= R(x[ 8]+x[11],13);  x[10] ^= R(x[ 9]+x[ 8],18);
+
+		x[12] ^= R(x[15]+x[14], 7);  x[13] ^= R(x[12]+x[15], 9);
+		x[14] ^= R(x[13]+x[12],13);  x[15] ^= R(x[14]+x[13],18);
+#undef R
+	}
+
+	/* Compute B32 = B32 + x. */
+	for (i = 0; i < 16; i++)
+		B32[i] += x[i];
+
+	/* Convert little-endian values out. */
+	for (i = 0; i < 16; i++)
+		le32enc(&B[4 * i], B32[i]);
+}
+
+/**
+ * blockmix_salsa8(B, Y, r):
+ * Compute B = BlockMix_{salsa20/8, r}(B).  The input B must be 128r bytes in
+ * length; the temporary space Y must also be the same size.
+ */
+static void
+blockmix_salsa8(uint8_t * B, uint8_t * Y, size_t r)
+{
+	uint8_t X[64];
+	size_t i;
+
+	/* 1: X <-- B_{2r - 1} */
+	blkcpy(X, &B[(2 * r - 1) * 64], 64);
+
+	/* 2: for i = 0 to 2r - 1 do */
+	for (i = 0; i < 2 * r; i++) {
+		/* 3: X <-- H(X \xor B_i) */
+		blkxor(X, &B[i * 64], 64);
+		salsa20_8(X);
+
+		/* 4: Y_i <-- X */
+		blkcpy(&Y[i * 64], X, 64);
+	}
+
+	/* 6: B' <-- (Y_0, Y_2 ... Y_{2r-2}, Y_1, Y_3 ... Y_{2r-1}) */
+	for (i = 0; i < r; i++)
+		blkcpy(&B[i * 64], &Y[(i * 2) * 64], 64);
+	for (i = 0; i < r; i++)
+		blkcpy(&B[(i + r) * 64], &Y[(i * 2 + 1) * 64], 64);
+}
+
+/**
+ * integerify(B, r):
+ * Return the result of parsing B_{2r-1} as a little-endian integer.
+ */
+static uint64_t
+integerify(uint8_t * B, size_t r)
+{
+	uint8_t * X = &B[(2 * r - 1) * 64];
+
+	return (le64dec(X));
+}
+
+/**
+ * smix(B, r, N, V, XY):
+ * Compute B = SMix_r(B, N).  The input B must be 128r bytes in length; the
+ * temporary storage V must be 128rN bytes in length; the temporary storage
+ * XY must be 256r bytes in length.  The value N must be a power of 2.
+ */
+static void
+smix(uint8_t * B, size_t r, uint64_t N, uint8_t * V, uint8_t * XY)
+{
+	uint8_t * X = XY;
+	uint8_t * Y = &XY[128 * r];
+	uint64_t i;
+	uint64_t j;
+
+	/* 1: X <-- B */
+	blkcpy(X, B, 128 * r);
+
+	/* 2: for i = 0 to N - 1 do */
+	for (i = 0; i < N; i++) {
+		/* 3: V_i <-- X */
+		blkcpy(&V[i * (128 * r)], X, 128 * r);
+
+		/* 4: X <-- H(X) */
+		blockmix_salsa8(X, Y, r);
+	}
+
+	/* 6: for i = 0 to N - 1 do */
+	for (i = 0; i < N; i++) {
+		/* 7: j <-- Integerify(X) mod N */
+		j = integerify(X, r) & (N - 1);
+
+		/* 8: X <-- H(X \xor V_j) */
+		blkxor(X, &V[j * (128 * r)], 128 * r);
+		blockmix_salsa8(X, Y, r);
+	}
+
+	/* 10: B' <-- X */
+	blkcpy(B, X, 128 * r);
+}
+
+/**
+ * crypto_scrypt(passwd, passwdlen, salt, saltlen, N, r, p, buf, buflen):
+ * Compute scrypt(passwd[0 .. passwdlen - 1], salt[0 .. saltlen - 1], N, r,
+ * p, buflen) and write the result into buf.  The parameters r, p, and buflen
+ * must satisfy r * p < 2^30 and buflen <= (2^32 - 1) * 32.  The parameter N
+ * must be a power of 2.
+ *
+ * Return 0 on success; or -1 on error.
+ */
+int
+crypto_scrypt(const uint8_t * passwd, size_t passwdlen,
+    const uint8_t * salt, size_t saltlen, uint64_t N, uint32_t r, uint32_t p,
+    uint8_t * buf, size_t buflen)
+{
+	uint8_t * B;
+	uint8_t * V;
+	uint8_t * XY;
+	uint32_t i;
+
+	/* Sanity-check parameters. */
+#if SIZE_MAX > UINT32_MAX
+	if (buflen > (((uint64_t)(1) << 32) - 1) * 32) {
+		errno = EFBIG;
+		goto err0;
+	}
+#endif
+	if ((uint64_t)(r) * (uint64_t)(p) >= (1 << 30)) {
+		errno = EFBIG;
+		goto err0;
+	}
+	if (((N & (N - 1)) != 0) || (N == 0)) {
+		errno = EINVAL;
+		goto err0;
+	}
+	if ((r > SIZE_MAX / 128 / p) ||
+#if SIZE_MAX / 256 <= UINT32_MAX
+	    (r > SIZE_MAX / 256) ||
+#endif
+	    (N > SIZE_MAX / 128 / r)) {
+		errno = ENOMEM;
+		goto err0;
+	}
+
+	/* Allocate memory. */
+	if ((B = malloc(128 * r * p)) == NULL)
+		goto err0;
+	if ((XY = malloc(256 * r)) == NULL)
+		goto err1;
+	if ((V = malloc(128 * r * N)) == NULL)
+		goto err2;
+
+	/* 1: (B_0 ... B_{p-1}) <-- PBKDF2(P, S, 1, p * MFLen) */
+	PBKDF2_SHA256(passwd, passwdlen, salt, saltlen, 1, B, p * 128 * r);
+
+	/* 2: for i = 0 to p - 1 do */
+	for (i = 0; i < p; i++) {
+		/* 3: B_i <-- MF(B_i, N) */
+		smix(&B[i * 128 * r], r, N, V, XY);
+	}
+
+	/* 5: DK <-- PBKDF2(P, B, 1, dkLen) */
+	PBKDF2_SHA256(passwd, passwdlen, B, p * 128 * r, 1, buf, buflen);
+
+	/* Free memory. */
+	free(V);
+	free(XY);
+	free(B);
+
+	/* Success! */
+	return (0);
+
+err2:
+	free(XY);
+err1:
+	free(B);
+err0:
+	/* Failure! */
+	return (-1);
+}

libpcp/scrypt/crypto/crypto_scrypt-sse.c

@@ -0,0 +1,366 @@
+/*-
+ * Copyright 2009 Colin Percival
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This file was originally written by Colin Percival as part of the Tarsnap
+ * online backup system.
+ */
+#include "scrypt_platform.h"
+
+#include <sys/types.h>
+#include <sys/mman.h>
+
+#include <emmintrin.h>
+#include <errno.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "sha256.h"
+#include "sysendian.h"
+
+#include "crypto_scrypt.h"
+
+static void blkcpy(void *, void *, size_t);
+static void blkxor(void *, void *, size_t);
+static void salsa20_8(__m128i *);
+static void blockmix_salsa8(__m128i *, __m128i *, __m128i *, size_t);
+static uint64_t integerify(void *, size_t);
+static void smix(uint8_t *, size_t, uint64_t, void *, void *);
+
+static void
+blkcpy(void * dest, void * src, size_t len)
+{
+	__m128i * D = dest;
+	__m128i * S = src;
+	size_t L = len / 16;
+	size_t i;
+
+	for (i = 0; i < L; i++)
+		D[i] = S[i];
+}
+
+static void
+blkxor(void * dest, void * src, size_t len)
+{
+	__m128i * D = dest;
+	__m128i * S = src;
+	size_t L = len / 16;
+	size_t i;
+
+	for (i = 0; i < L; i++)
+		D[i] = _mm_xor_si128(D[i], S[i]);
+}
+
+/**
+ * salsa20_8(B):
+ * Apply the salsa20/8 core to the provided block.
+ */
+static void
+salsa20_8(__m128i B[4])
+{
+	__m128i X0, X1, X2, X3;
+	__m128i T;
+	size_t i;
+
+	X0 = B[0];
+	X1 = B[1];
+	X2 = B[2];
+	X3 = B[3];
+
+	for (i = 0; i < 8; i += 2) {
+		/* Operate on "columns". */
+		T = _mm_add_epi32(X0, X3);
+		X1 = _mm_xor_si128(X1, _mm_slli_epi32(T, 7));
+		X1 = _mm_xor_si128(X1, _mm_srli_epi32(T, 25));
+		T = _mm_add_epi32(X1, X0);
+		X2 = _mm_xor_si128(X2, _mm_slli_epi32(T, 9));
+		X2 = _mm_xor_si128(X2, _mm_srli_epi32(T, 23));
+		T = _mm_add_epi32(X2, X1);
+		X3 = _mm_xor_si128(X3, _mm_slli_epi32(T, 13));
+		X3 = _mm_xor_si128(X3, _mm_srli_epi32(T, 19));
+		T = _mm_add_epi32(X3, X2);
+		X0 = _mm_xor_si128(X0, _mm_slli_epi32(T, 18));
+		X0 = _mm_xor_si128(X0, _mm_srli_epi32(T, 14));
+
+		/* Rearrange data. */
+		X1 = _mm_shuffle_epi32(X1, 0x93);
+		X2 = _mm_shuffle_epi32(X2, 0x4E);
+		X3 = _mm_shuffle_epi32(X3, 0x39);
+
+		/* Operate on "rows". */
+		T = _mm_add_epi32(X0, X1);
+		X3 = _mm_xor_si128(X3, _mm_slli_epi32(T, 7));
+		X3 = _mm_xor_si128(X3, _mm_srli_epi32(T, 25));
+		T = _mm_add_epi32(X3, X0);
+		X2 = _mm_xor_si128(X2, _mm_slli_epi32(T, 9));
+		X2 = _mm_xor_si128(X2, _mm_srli_epi32(T, 23));
+		T = _mm_add_epi32(X2, X3);
+		X1 = _mm_xor_si128(X1, _mm_slli_epi32(T, 13));
+		X1 = _mm_xor_si128(X1, _mm_srli_epi32(T, 19));
+		T = _mm_add_epi32(X1, X2);
+		X0 = _mm_xor_si128(X0, _mm_slli_epi32(T, 18));
+		X0 = _mm_xor_si128(X0, _mm_srli_epi32(T, 14));
+
+		/* Rearrange data. */
+		X1 = _mm_shuffle_epi32(X1, 0x39);
+		X2 = _mm_shuffle_epi32(X2, 0x4E);
+		X3 = _mm_shuffle_epi32(X3, 0x93);
+	}
+
+	B[0] = _mm_add_epi32(B[0], X0);
+	B[1] = _mm_add_epi32(B[1], X1);
+	B[2] = _mm_add_epi32(B[2], X2);
+	B[3] = _mm_add_epi32(B[3], X3);
+}
+
+/**
+ * blockmix_salsa8(Bin, Bout, X, r):
+ * Compute Bout = BlockMix_{salsa20/8, r}(Bin).  The input Bin must be 128r
+ * bytes in length; the output Bout must also be the same size.  The
+ * temporary space X must be 64 bytes.
+ */
+static void
+blockmix_salsa8(__m128i * Bin, __m128i * Bout, __m128i * X, size_t r)
+{
+	size_t i;
+
+	/* 1: X <-- B_{2r - 1} */
+	blkcpy(X, &Bin[8 * r - 4], 64);
+
+	/* 2: for i = 0 to 2r - 1 do */
+	for (i = 0; i < r; i++) {
+		/* 3: X <-- H(X \xor B_i) */
+		blkxor(X, &Bin[i * 8], 64);
+		salsa20_8(X);
+
+		/* 4: Y_i <-- X */
+		/* 6: B' <-- (Y_0, Y_2 ... Y_{2r-2}, Y_1, Y_3 ... Y_{2r-1}) */
+		blkcpy(&Bout[i * 4], X, 64);
+
+		/* 3: X <-- H(X \xor B_i) */
+		blkxor(X, &Bin[i * 8 + 4], 64);
+		salsa20_8(X);
+
+		/* 4: Y_i <-- X */
+		/* 6: B' <-- (Y_0, Y_2 ... Y_{2r-2}, Y_1, Y_3 ... Y_{2r-1}) */
+		blkcpy(&Bout[(r + i) * 4], X, 64);
+	}
+}
+
+/**
+ * integerify(B, r):
+ * Return the result of parsing B_{2r-1} as a little-endian integer.
+ */
+static uint64_t
+integerify(void * B, size_t r)
+{
+	uint32_t * X = (void *)((uintptr_t)(B) + (2 * r - 1) * 64);
+
+	return (((uint64_t)(X[13]) << 32) + X[0]);
+}
+
+/**
+ * smix(B, r, N, V, XY):
+ * Compute B = SMix_r(B, N).  The input B must be 128r bytes in length;
+ * the temporary storage V must be 128rN bytes in length; the temporary
+ * storage XY must be 256r + 64 bytes in length.  The value N must be a
+ * power of 2 greater than 1.  The arrays B, V, and XY must be aligned to a
+ * multiple of 64 bytes.
+ */
+static void
+smix(uint8_t * B, size_t r, uint64_t N, void * V, void * XY)
+{
+	__m128i * X = XY;
+	__m128i * Y = (void *)((uintptr_t)(XY) + 128 * r);
+	__m128i * Z = (void *)((uintptr_t)(XY) + 256 * r);
+	uint32_t * X32 = (void *)X;
+	uint64_t i, j;
+	size_t k;
+
+	/* 1: X <-- B */
+	for (k = 0; k < 2 * r; k++) {
+		for (i = 0; i < 16; i++) {
+			X32[k * 16 + i] =
+			    le32dec(&B[(k * 16 + (i * 5 % 16)) * 4]);
+		}
+	}
+
+	/* 2: for i = 0 to N - 1 do */
+	for (i = 0; i < N; i += 2) {
+		/* 3: V_i <-- X */
+		blkcpy((void *)((uintptr_t)(V) + i * 128 * r), X, 128 * r);
+
+		/* 4: X <-- H(X) */
+		blockmix_salsa8(X, Y, Z, r);
+
+		/* 3: V_i <-- X */
+		blkcpy((void *)((uintptr_t)(V) + (i + 1) * 128 * r),
+		    Y, 128 * r);
+
+		/* 4: X <-- H(X) */
+		blockmix_salsa8(Y, X, Z, r);
+	}
+
+	/* 6: for i = 0 to N - 1 do */
+	for (i = 0; i < N; i += 2) {
+		/* 7: j <-- Integerify(X) mod N */
+		j = integerify(X, r) & (N - 1);
+
+		/* 8: X <-- H(X \xor V_j) */
+		blkxor(X, (void *)((uintptr_t)(V) + j * 128 * r), 128 * r);
+		blockmix_salsa8(X, Y, Z, r);
+
+		/* 7: j <-- Integerify(X) mod N */
+		j = integerify(Y, r) & (N - 1);
+
+		/* 8: X <-- H(X \xor V_j) */
+		blkxor(Y, (void *)((uintptr_t)(V) + j * 128 * r), 128 * r);
+		blockmix_salsa8(Y, X, Z, r);
+	}
+
+	/* 10: B' <-- X */
+	for (k = 0; k < 2 * r; k++) {
+		for (i = 0; i < 16; i++) {
+			le32enc(&B[(k * 16 + (i * 5 % 16)) * 4],
+			    X32[k * 16 + i]);
+		}
+	}
+}
+
+/**
+ * crypto_scrypt(passwd, passwdlen, salt, saltlen, N, r, p, buf, buflen):
+ * Compute scrypt(passwd[0 .. passwdlen - 1], salt[0 .. saltlen - 1], N, r,
+ * p, buflen) and write the result into buf.  The parameters r, p, and buflen
+ * must satisfy r * p < 2^30 and buflen <= (2^32 - 1) * 32.  The parameter N
+ * must be a power of 2 greater than 1.
+ *
+ * Return 0 on success; or -1 on error.
+ */
+int
+crypto_scrypt(const uint8_t * passwd, size_t passwdlen,
+    const uint8_t * salt, size_t saltlen, uint64_t N, uint32_t r, uint32_t p,
+    uint8_t * buf, size_t buflen)
+{
+	void * B0, * V0, * XY0;
+	uint8_t * B;
+	uint32_t * V;
+	uint32_t * XY;
+	uint32_t i;
+
+	/* Sanity-check parameters. */
+#if SIZE_MAX > UINT32_MAX
+	if (buflen > (((uint64_t)(1) << 32) - 1) * 32) {
+		errno = EFBIG;
+		goto err0;
+	}
+#endif
+	if ((uint64_t)(r) * (uint64_t)(p) >= (1 << 30)) {
+		errno = EFBIG;
+		goto err0;
+	}
+	if (((N & (N - 1)) != 0) || (N == 0)) {
+		errno = EINVAL;
+		goto err0;
+	}
+	if ((r > SIZE_MAX / 128 / p) ||
+#if SIZE_MAX / 256 <= UINT32_MAX
+	    (r > (SIZE_MAX - 64) / 256) ||
+#endif
+	    (N > SIZE_MAX / 128 / r)) {
+		errno = ENOMEM;
+		goto err0;
+	}
+
+	/* Allocate memory. */
+#ifdef HAVE_POSIX_MEMALIGN
+	if ((errno = posix_memalign(&B0, 64, 128 * r * p)) != 0)
+		goto err0;
+	B = (uint8_t *)(B0);
+	if ((errno = posix_memalign(&XY0, 64, 256 * r + 64)) != 0)
+		goto err1;
+	XY = (uint32_t *)(XY0);
+#ifndef MAP_ANON
+	if ((errno = posix_memalign(&V0, 64, 128 * r * N)) != 0)
+		goto err2;
+	V = (uint32_t *)(V0);
+#endif
+#else
+	if ((B0 = malloc(128 * r * p + 63)) == NULL)
+		goto err0;
+	B = (uint8_t *)(((uintptr_t)(B0) + 63) & ~ (uintptr_t)(63));
+	if ((XY0 = malloc(256 * r + 64 + 63)) == NULL)
+		goto err1;
+	XY = (uint32_t *)(((uintptr_t)(XY0) + 63) & ~ (uintptr_t)(63));
+#ifndef MAP_ANON
+	if ((V0 = malloc(128 * r * N + 63)) == NULL)
+		goto err2;
+	V = (uint32_t *)(((uintptr_t)(V0) + 63) & ~ (uintptr_t)(63));
+#endif
+#endif
+#ifdef MAP_ANON
+	if ((V0 = mmap(NULL, 128 * r * N, PROT_READ | PROT_WRITE,
+#ifdef MAP_NOCORE
+	    MAP_ANON | MAP_PRIVATE | MAP_NOCORE,
+#else
+	    MAP_ANON | MAP_PRIVATE,
+#endif
+	    -1, 0)) == MAP_FAILED)
+		goto err2;
+	V = (uint32_t *)(V0);
+#endif
+
+	/* 1: (B_0 ... B_{p-1}) <-- PBKDF2(P, S, 1, p * MFLen) */
+	PBKDF2_SHA256(passwd, passwdlen, salt, saltlen, 1, B, p * 128 * r);
+
+	/* 2: for i = 0 to p - 1 do */
+	for (i = 0; i < p; i++) {
+		/* 3: B_i <-- MF(B_i, N) */
+		smix(&B[i * 128 * r], r, N, V, XY);
+	}
+
+	/* 5: DK <-- PBKDF2(P, B, 1, dkLen) */
+	PBKDF2_SHA256(passwd, passwdlen, B, p * 128 * r, 1, buf, buflen);
+
+	/* Free memory. */
+#ifdef MAP_ANON
+	if (munmap(V0, 128 * r * N))
+		goto err2;
+#else
+	free(V0);
+#endif
+	free(XY0);
+	free(B0);
+
+	/* Success! */
+	return (0);
+
+err2:
+	free(XY0);
+err1:
+	free(B0);
+err0:
+	/* Failure! */
+	return (-1);
+}

libpcp/scrypt/crypto/crypto_scrypt.h

@@ -0,0 +1,46 @@
+/*-
+ * Copyright 2009 Colin Percival
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This file was originally written by Colin Percival as part of the Tarsnap
+ * online backup system.
+ */
+#ifndef _CRYPTO_SCRYPT_H_
+#define _CRYPTO_SCRYPT_H_
+
+#include <stdint.h>
+
+/**
+ * crypto_scrypt(passwd, passwdlen, salt, saltlen, N, r, p, buf, buflen):
+ * Compute scrypt(passwd[0 .. passwdlen - 1], salt[0 .. saltlen - 1], N, r,
+ * p, buflen) and write the result into buf.  The parameters r, p, and buflen
+ * must satisfy r * p < 2^30 and buflen <= (2^32 - 1) * 32.  The parameter N
+ * must be a power of 2 greater than 1.
+ *
+ * Return 0 on success; or -1 on error.
+ */
+int crypto_scrypt(const uint8_t *, size_t, const uint8_t *, size_t, uint64_t,
+    uint32_t, uint32_t, uint8_t *, size_t);
+
+#endif /* !_CRYPTO_SCRYPT_H_ */

libpcp/scrypt/crypto/sha256.c

@@ -0,0 +1,412 @@
+/*-
+ * Copyright 2005,2007,2009 Colin Percival
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+#include "scrypt_platform.h"
+
+#include <sys/types.h>
+
+#include <stdint.h>
+#include <string.h>
+
+#include "sysendian.h"
+
+#include "sha256.h"
+
+/*
+ * Encode a length len/4 vector of (uint32_t) into a length len vector of
+ * (unsigned char) in big-endian form.  Assumes len is a multiple of 4.
+ */
+static void
+be32enc_vect(unsigned char *dst, const uint32_t *src, size_t len)
+{
+	size_t i;
+
+	for (i = 0; i < len / 4; i++)
+		be32enc(dst + i * 4, src[i]);
+}
+
+/*
+ * Decode a big-endian length len vector of (unsigned char) into a length
+ * len/4 vector of (uint32_t).  Assumes len is a multiple of 4.
+ */
+static void
+be32dec_vect(uint32_t *dst, const unsigned char *src, size_t len)
+{
+	size_t i;
+
+	for (i = 0; i < len / 4; i++)
+		dst[i] = be32dec(src + i * 4);
+}
+
+/* Elementary functions used by SHA256 */
+#define Ch(x, y, z)	((x & (y ^ z)) ^ z)
+#define Maj(x, y, z)	((x & (y | z)) | (y & z))
+#define SHR(x, n)	(x >> n)
+#define ROTR(x, n)	((x >> n) | (x << (32 - n)))
+#define S0(x)		(ROTR(x, 2) ^ ROTR(x, 13) ^ ROTR(x, 22))
+#define S1(x)		(ROTR(x, 6) ^ ROTR(x, 11) ^ ROTR(x, 25))
+#define s0(x)		(ROTR(x, 7) ^ ROTR(x, 18) ^ SHR(x, 3))
+#define s1(x)		(ROTR(x, 17) ^ ROTR(x, 19) ^ SHR(x, 10))
+
+/* SHA256 round function */
+#define RND(a, b, c, d, e, f, g, h, k)			\
+	t0 = h + S1(e) + Ch(e, f, g) + k;		\
+	t1 = S0(a) + Maj(a, b, c);			\
+	d += t0;					\
+	h  = t0 + t1;
+
+/* Adjusted round function for rotating state */
+#define RNDr(S, W, i, k)			\
+	RND(S[(64 - i) % 8], S[(65 - i) % 8],	\
+	    S[(66 - i) % 8], S[(67 - i) % 8],	\
+	    S[(68 - i) % 8], S[(69 - i) % 8],	\
+	    S[(70 - i) % 8], S[(71 - i) % 8],	\
+	    W[i] + k)
+
+/*
+ * SHA256 block compression function.  The 256-bit state is transformed via
+ * the 512-bit input block to produce a new state.
+ */
+static void
+SHA256_Transform(uint32_t * state, const unsigned char block[64])
+{
+	uint32_t W[64];
+	uint32_t S[8];
+	uint32_t t0, t1;
+	int i;
+
+	/* 1. Prepare message schedule W. */
+	be32dec_vect(W, block, 64);
+	for (i = 16; i < 64; i++)
+		W[i] = s1(W[i - 2]) + W[i - 7] + s0(W[i - 15]) + W[i - 16];
+
+	/* 2. Initialize working variables. */
+	memcpy(S, state, 32);
+
+	/* 3. Mix. */
+	RNDr(S, W, 0, 0x428a2f98);
+	RNDr(S, W, 1, 0x71374491);
+	RNDr(S, W, 2, 0xb5c0fbcf);
+	RNDr(S, W, 3, 0xe9b5dba5);
+	RNDr(S, W, 4, 0x3956c25b);
+	RNDr(S, W, 5, 0x59f111f1);
+	RNDr(S, W, 6, 0x923f82a4);
+	RNDr(S, W, 7, 0xab1c5ed5);
+	RNDr(S, W, 8, 0xd807aa98);
+	RNDr(S, W, 9, 0x12835b01);
+	RNDr(S, W, 10, 0x243185be);
+	RNDr(S, W, 11, 0x550c7dc3);
+	RNDr(S, W, 12, 0x72be5d74);
+	RNDr(S, W, 13, 0x80deb1fe);
+	RNDr(S, W, 14, 0x9bdc06a7);
+	RNDr(S, W, 15, 0xc19bf174);
+	RNDr(S, W, 16, 0xe49b69c1);
+	RNDr(S, W, 17, 0xefbe4786);
+	RNDr(S, W, 18, 0x0fc19dc6);
+	RNDr(S, W, 19, 0x240ca1cc);
+	RNDr(S, W, 20, 0x2de92c6f);
+	RNDr(S, W, 21, 0x4a7484aa);
+	RNDr(S, W, 22, 0x5cb0a9dc);
+	RNDr(S, W, 23, 0x76f988da);
+	RNDr(S, W, 24, 0x983e5152);
+	RNDr(S, W, 25, 0xa831c66d);
+	RNDr(S, W, 26, 0xb00327c8);
+	RNDr(S, W, 27, 0xbf597fc7);
+	RNDr(S, W, 28, 0xc6e00bf3);
+	RNDr(S, W, 29, 0xd5a79147);
+	RNDr(S, W, 30, 0x06ca6351);
+	RNDr(S, W, 31, 0x14292967);
+	RNDr(S, W, 32, 0x27b70a85);
+	RNDr(S, W, 33, 0x2e1b2138);
+	RNDr(S, W, 34, 0x4d2c6dfc);
+	RNDr(S, W, 35, 0x53380d13);
+	RNDr(S, W, 36, 0x650a7354);
+	RNDr(S, W, 37, 0x766a0abb);
+	RNDr(S, W, 38, 0x81c2c92e);
+	RNDr(S, W, 39, 0x92722c85);
+	RNDr(S, W, 40, 0xa2bfe8a1);
+	RNDr(S, W, 41, 0xa81a664b);
+	RNDr(S, W, 42, 0xc24b8b70);
+	RNDr(S, W, 43, 0xc76c51a3);
+	RNDr(S, W, 44, 0xd192e819);
+	RNDr(S, W, 45, 0xd6990624);
+	RNDr(S, W, 46, 0xf40e3585);
+	RNDr(S, W, 47, 0x106aa070);
+	RNDr(S, W, 48, 0x19a4c116);
+	RNDr(S, W, 49, 0x1e376c08);
+	RNDr(S, W, 50, 0x2748774c);
+	RNDr(S, W, 51, 0x34b0bcb5);
+	RNDr(S, W, 52, 0x391c0cb3);
+	RNDr(S, W, 53, 0x4ed8aa4a);
+	RNDr(S, W, 54, 0x5b9cca4f);
+	RNDr(S, W, 55, 0x682e6ff3);
+	RNDr(S, W, 56, 0x748f82ee);
+	RNDr(S, W, 57, 0x78a5636f);
+	RNDr(S, W, 58, 0x84c87814);
+	RNDr(S, W, 59, 0x8cc70208);
+	RNDr(S, W, 60, 0x90befffa);
+	RNDr(S, W, 61, 0xa4506ceb);
+	RNDr(S, W, 62, 0xbef9a3f7);
+	RNDr(S, W, 63, 0xc67178f2);
+
+	/* 4. Mix local working variables into global state */
+	for (i = 0; i < 8; i++)
+		state[i] += S[i];
+
+	/* Clean the stack. */
+	memset(W, 0, 256);
+	memset(S, 0, 32);
+	t0 = t1 = 0;
+}
+
+static unsigned char PAD[64] = {
+	0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+/* Add padding and terminating bit-count. */
+static void
+SHA256_Pad(SHA256_CTX * ctx)
+{
+	unsigned char len[8];
+	uint32_t r, plen;
+
+	/*
+	 * Convert length to a vector of bytes -- we do this now rather
+	 * than later because the length will change after we pad.
+	 */
+	be32enc_vect(len, ctx->count, 8);
+
+	/* Add 1--64 bytes so that the resulting length is 56 mod 64 */
+	r = (ctx->count[1] >> 3) & 0x3f;
+	plen = (r < 56) ? (56 - r) : (120 - r);
+	SHA256_Update(ctx, PAD, (size_t)plen);
+
+	/* Add the terminating bit-count */
+	SHA256_Update(ctx, len, 8);
+}
+
+/* SHA-256 initialization.  Begins a SHA-256 operation. */
+void
+SHA256_Init(SHA256_CTX * ctx)
+{
+
+	/* Zero bits processed so far */
+	ctx->count[0] = ctx->count[1] = 0;
+
+	/* Magic initialization constants */
+	ctx->state[0] = 0x6A09E667;
+	ctx->state[1] = 0xBB67AE85;
+	ctx->state[2] = 0x3C6EF372;
+	ctx->state[3] = 0xA54FF53A;
+	ctx->state[4] = 0x510E527F;
+	ctx->state[5] = 0x9B05688C;
+	ctx->state[6] = 0x1F83D9AB;
+	ctx->state[7] = 0x5BE0CD19;
+}
+
+/* Add bytes into the hash */
+void
+SHA256_Update(SHA256_CTX * ctx, const void *in, size_t len)
+{
+	uint32_t bitlen[2];
+	uint32_t r;
+	const unsigned char *src = in;
+
+	/* Number of bytes left in the buffer from previous updates */
+	r = (ctx->count[1] >> 3) & 0x3f;
+
+	/* Convert the length into a number of bits */
+	bitlen[1] = ((uint32_t)len) << 3;
+	bitlen[0] = (uint32_t)(len >> 29);
+
+	/* Update number of bits */
+	if ((ctx->count[1] += bitlen[1]) < bitlen[1])
+		ctx->count[0]++;
+	ctx->count[0] += bitlen[0];
+
+	/* Handle the case where we don't need to perform any transforms */
+	if (len < 64 - r) {
+		memcpy(&ctx->buf[r], src, len);
+		return;
+	}
+
+	/* Finish the current block */
+	memcpy(&ctx->buf[r], src, 64 - r);
+	SHA256_Transform(ctx->state, ctx->buf);
+	src += 64 - r;
+	len -= 64 - r;
+
+	/* Perform complete blocks */
+	while (len >= 64) {
+		SHA256_Transform(ctx->state, src);
+		src += 64;
+		len -= 64;
+	}
+
+	/* Copy left over data into buffer */
+	memcpy(ctx->buf, src, len);
+}
+
+/*
+ * SHA-256 finalization.  Pads the input data, exports the hash value,
+ * and clears the context state.
+ */
+void
+SHA256_Final(unsigned char digest[32], SHA256_CTX * ctx)
+{
+
+	/* Add padding */
+	SHA256_Pad(ctx);
+
+	/* Write the hash */
+	be32enc_vect(digest, ctx->state, 32);
+
+	/* Clear the context state */
+	memset((void *)ctx, 0, sizeof(*ctx));
+}
+
+/* Initialize an HMAC-SHA256 operation with the given key. */
+void
+HMAC_SHA256_Init(HMAC_SHA256_CTX * ctx, const void * _K, size_t Klen)
+{
+	unsigned char pad[64];
+	unsigned char khash[32];
+	const unsigned char * K = _K;
+	size_t i;
+
+	/* If Klen > 64, the key is really SHA256(K). */
+	if (Klen > 64) {
+		SHA256_Init(&ctx->ictx);
+		SHA256_Update(&ctx->ictx, K, Klen);
+		SHA256_Final(khash, &ctx->ictx);
+		K = khash;
+		Klen = 32;
+	}
+
+	/* Inner SHA256 operation is SHA256(K xor [block of 0x36] || data). */
+	SHA256_Init(&ctx->ictx);
+	memset(pad, 0x36, 64);
+	for (i = 0; i < Klen; i++)
+		pad[i] ^= K[i];
+	SHA256_Update(&ctx->ictx, pad, 64);
+
+	/* Outer SHA256 operation is SHA256(K xor [block of 0x5c] || hash). */
+	SHA256_Init(&ctx->octx);
+	memset(pad, 0x5c, 64);
+	for (i = 0; i < Klen; i++)
+		pad[i] ^= K[i];
+	SHA256_Update(&ctx->octx, pad, 64);
+
+	/* Clean the stack. */
+	memset(khash, 0, 32);
+}
+
+/* Add bytes to the HMAC-SHA256 operation. */
+void
+HMAC_SHA256_Update(HMAC_SHA256_CTX * ctx, const void *in, size_t len)
+{
+
+	/* Feed data to the inner SHA256 operation. */
+	SHA256_Update(&ctx->ictx, in, len);
+}
+
+/* Finish an HMAC-SHA256 operation. */
+void
+HMAC_SHA256_Final(unsigned char digest[32], HMAC_SHA256_CTX * ctx)
+{
+	unsigned char ihash[32];
+
+	/* Finish the inner SHA256 operation. */
+	SHA256_Final(ihash, &ctx->ictx);
+
+	/* Feed the inner hash to the outer SHA256 operation. */
+	SHA256_Update(&ctx->octx, ihash, 32);
+
+	/* Finish the outer SHA256 operation. */
+	SHA256_Final(digest, &ctx->octx);
+
+	/* Clean the stack. */
+	memset(ihash, 0, 32);
+}
+
+/**
+ * PBKDF2_SHA256(passwd, passwdlen, salt, saltlen, c, buf, dkLen):
+ * Compute PBKDF2(passwd, salt, c, dkLen) using HMAC-SHA256 as the PRF, and
+ * write the output to buf.  The value dkLen must be at most 32 * (2^32 - 1).
+ */
+void
+PBKDF2_SHA256(const uint8_t * passwd, size_t passwdlen, const uint8_t * salt,
+    size_t saltlen, uint64_t c, uint8_t * buf, size_t dkLen)
+{
+	HMAC_SHA256_CTX PShctx, hctx;
+	size_t i;
+	uint8_t ivec[4];
+	uint8_t U[32];
+	uint8_t T[32];
+	uint64_t j;
+	int k;
+	size_t clen;
+
+	/* Compute HMAC state after processing P and S. */
+	HMAC_SHA256_Init(&PShctx, passwd, passwdlen);
+	HMAC_SHA256_Update(&PShctx, salt, saltlen);
+
+	/* Iterate through the blocks. */
+	for (i = 0; i * 32 < dkLen; i++) {
+		/* Generate INT(i + 1). */
+		be32enc(ivec, (uint32_t)(i + 1));
+
+		/* Compute U_1 = PRF(P, S || INT(i)). */
+		memcpy(&hctx, &PShctx, sizeof(HMAC_SHA256_CTX));
+		HMAC_SHA256_Update(&hctx, ivec, 4);
+		HMAC_SHA256_Final(U, &hctx);
+
+		/* T_i = U_1 ... */
+		memcpy(T, U, 32);
+
+		for (j = 2; j <= c; j++) {
+			/* Compute U_j. */
+			HMAC_SHA256_Init(&hctx, passwd, passwdlen);
+			HMAC_SHA256_Update(&hctx, U, 32);
+			HMAC_SHA256_Final(U, &hctx);
+
+			/* ... xor U_j ... */
+			for (k = 0; k < 32; k++)
+				T[k] ^= U[k];
+		}
+
+		/* Copy as many bytes as necessary into buf. */
+		clen = dkLen - i * 32;
+		if (clen > 32)
+			clen = 32;
+		memcpy(&buf[i * 32], T, clen);
+	}
+
+	/* Clean PShctx, since we never called _Final on it. */
+	memset(&PShctx, 0, sizeof(HMAC_SHA256_CTX));
+}

libpcp/scrypt/crypto/sha256.h

@@ -0,0 +1,62 @@
+/*-
+ * Copyright 2005,2007,2009 Colin Percival
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD: src/lib/libmd/sha256.h,v 1.2 2006/01/17 15:35:56 phk Exp $
+ */
+
+#ifndef _SHA256_H_
+#define _SHA256_H_
+
+#include <sys/types.h>
+
+#include <stdint.h>
+
+typedef struct SHA256Context {
+	uint32_t state[8];
+	uint32_t count[2];
+	unsigned char buf[64];
+} SHA256_CTX;
+
+typedef struct HMAC_SHA256Context {
+	SHA256_CTX ictx;
+	SHA256_CTX octx;
+} HMAC_SHA256_CTX;
+
+void	SHA256_Init(SHA256_CTX *);
+void	SHA256_Update(SHA256_CTX *, const void *, size_t);
+void	SHA256_Final(unsigned char [32], SHA256_CTX *);
+void	HMAC_SHA256_Init(HMAC_SHA256_CTX *, const void *, size_t);
+void	HMAC_SHA256_Update(HMAC_SHA256_CTX *, const void *, size_t);
+void	HMAC_SHA256_Final(unsigned char [32], HMAC_SHA256_CTX *);
+
+/**
+ * PBKDF2_SHA256(passwd, passwdlen, salt, saltlen, c, buf, dkLen):
+ * Compute PBKDF2(passwd, salt, c, dkLen) using HMAC-SHA256 as the PRF, and
+ * write the output to buf.  The value dkLen must be at most 32 * (2^32 - 1).
+ */
+void	PBKDF2_SHA256(const uint8_t *, size_t, const uint8_t *, size_t,
+    uint64_t, uint8_t *, size_t);
+
+#endif /* !_SHA256_H_ */

libpcp/scrypt/scrypt_platform.h

@@ -0,0 +1,6 @@
+#ifndef _SCRYPT_PLATFORM_H_
+#define	_SCRYPT_PLATFORM_H_
+
+#include "platform.h"
+
+#endif /* !_SCRYPT_PLATFORM_H_ */

libpcp/scrypt/scryptenc/scryptenc.c

@@ -0,0 +1,606 @@
+/*-
+ * Copyright 2009 Colin Percival
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This file was originally written by Colin Percival as part of the Tarsnap
+ * online backup system.
+ */
+#include "scrypt_platform.h"
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <openssl/aes.h>
+
+#include "crypto_aesctr.h"
+#include "crypto_scrypt.h"
+#include "memlimit.h"
+#include "scryptenc_cpuperf.h"
+#include "sha256.h"
+#include "sysendian.h"
+
+#include "scryptenc.h"
+
+#define ENCBLOCK 65536
+
+static int pickparams(size_t, double, double,
+    int *, uint32_t *, uint32_t *);
+static int checkparams(size_t, double, double, int, uint32_t, uint32_t);
+static int getsalt(uint8_t[32]);
+
+static int
+pickparams(size_t maxmem, double maxmemfrac, double maxtime,
+    int * logN, uint32_t * r, uint32_t * p)
+{
+	size_t memlimit;
+	double opps;
+	double opslimit;
+	double maxN, maxrp;
+	int rc;
+
+	/* Figure out how much memory to use. */
+	if (memtouse(maxmem, maxmemfrac, &memlimit))
+		return (1);
+
+	/* Figure out how fast the CPU is. */
+	if ((rc = scryptenc_cpuperf(&opps)) != 0)
+		return (rc);
+	opslimit = opps * maxtime;
+
+	/* Allow a minimum of 2^15 salsa20/8 cores. */
+	if (opslimit < 32768)
+		opslimit = 32768;
+
+	/* Fix r = 8 for now. */
+	*r = 8;
+
+	/*
+	 * The memory limit requires that 128Nr <= memlimit, while the CPU
+	 * limit requires that 4Nrp <= opslimit.  If opslimit < memlimit/32,
+	 * opslimit imposes the stronger limit on N.
+	 */
+#ifdef DEBUG
+	fprintf(stderr, "Requiring 128Nr <= %zu, 4Nrp <= %f\n",
+	    memlimit, opslimit);
+#endif
+	if (opslimit < memlimit/32) {
+		/* Set p = 1 and choose N based on the CPU limit. */
+		*p = 1;
+		maxN = opslimit / (*r * 4);
+		for (*logN = 1; *logN < 63; *logN += 1) {
+			if ((uint64_t)(1) << *logN > maxN / 2)
+				break;
+		}
+	} else {
+		/* Set N based on the memory limit. */
+		maxN = memlimit / (*r * 128);
+		for (*logN = 1; *logN < 63; *logN += 1) {
+			if ((uint64_t)(1) << *logN > maxN / 2)
+				break;
+		}
+
+		/* Choose p based on the CPU limit. */
+		maxrp = (opslimit / 4) / ((uint64_t)(1) << *logN);
+		if (maxrp > 0x3fffffff)
+			maxrp = 0x3fffffff;
+		*p = (uint32_t)(maxrp) / *r;
+	}
+
+#ifdef DEBUG
+	fprintf(stderr, "N = %zu r = %d p = %d\n",
+	    (size_t)(1) << *logN, (int)(*r), (int)(*p));
+#endif
+
+	/* Success! */
+	return (0);
+}
+
+static int
+checkparams(size_t maxmem, double maxmemfrac, double maxtime,
+    int logN, uint32_t r, uint32_t p)
+{
+	size_t memlimit;
+	double opps;
+	double opslimit;
+	uint64_t N;
+	int rc;
+
+	/* Figure out the maximum amount of memory we can use. */
+	if (memtouse(maxmem, maxmemfrac, &memlimit))
+		return (1);
+
+	/* Figure out how fast the CPU is. */
+	if ((rc = scryptenc_cpuperf(&opps)) != 0)
+		return (rc);
+	opslimit = opps * maxtime;
+
+	/* Sanity-check values. */
+	if ((logN < 1) || (logN > 63))
+		return (7);
+	if ((uint64_t)(r) * (uint64_t)(p) >= 0x40000000)
+		return (7);
+
+	/* Check limits. */
+	N = (uint64_t)(1) << logN;
+	if ((memlimit / N) / r < 128)
+		return (9);
+	if ((opslimit / N) / (r * p) < 4)
+		return (10);
+
+	/* Success! */
+	return (0);
+}
+
+static int
+getsalt(uint8_t salt[32])
+{
+	int fd;
+	ssize_t lenread;
+	uint8_t * buf = salt;
+	size_t buflen = 32;
+
+	/* Open /dev/urandom. */
+	if ((fd = open("/dev/urandom", O_RDONLY)) == -1)
+		goto err0;
+
+	/* Read bytes until we have filled the buffer. */
+	while (buflen > 0) {
+		if ((lenread = read(fd, buf, buflen)) == -1)
+			goto err1;
+
+		/* The random device should never EOF. */
+		if (lenread == 0)
+			goto err1;
+
+		/* We're partly done. */
+		buf += lenread;
+		buflen -= lenread;
+	}
+
+	/* Close the device. */
+	while (close(fd) == -1) {
+		if (errno != EINTR)
+			goto err0;
+	}
+
+	/* Success! */
+	return (0);
+
+err1:
+	close(fd);
+err0:
+	/* Failure! */
+	return (4);
+}
+
+static int
+scryptenc_setup(uint8_t header[96], uint8_t dk[64],
+    const uint8_t * passwd, size_t passwdlen,
+    size_t maxmem, double maxmemfrac, double maxtime)
+{
+	uint8_t salt[32];
+	uint8_t hbuf[32];
+	int logN;
+	uint64_t N;
+	uint32_t r;
+	uint32_t p;
+	SHA256_CTX ctx;
+	uint8_t * key_hmac = &dk[32];
+	HMAC_SHA256_CTX hctx;
+	int rc;
+
+	/* Pick values for N, r, p. */
+	if ((rc = pickparams(maxmem, maxmemfrac, maxtime,
+	    &logN, &r, &p)) != 0)
+		return (rc);
+	N = (uint64_t)(1) << logN;
+
+	/* Get some salt. */
+	if ((rc = getsalt(salt)) != 0)
+		return (rc);
+
+	/* Generate the derived keys. */
+	if (crypto_scrypt(passwd, passwdlen, salt, 32, N, r, p, dk, 64))
+		return (3);
+
+	/* Construct the file header. */
+	memcpy(header, "scrypt", 6);
+	header[6] = 0;
+	header[7] = logN;
+	be32enc(&header[8], r);
+	be32enc(&header[12], p);
+	memcpy(&header[16], salt, 32);
+
+	/* Add header checksum. */
+	SHA256_Init(&ctx);
+	SHA256_Update(&ctx, header, 48);
+	SHA256_Final(hbuf, &ctx);
+	memcpy(&header[48], hbuf, 16);
+
+	/* Add header signature (used for verifying password). */
+	HMAC_SHA256_Init(&hctx, key_hmac, 32);
+	HMAC_SHA256_Update(&hctx, header, 64);
+	HMAC_SHA256_Final(hbuf, &hctx);
+	memcpy(&header[64], hbuf, 32);
+
+	/* Success! */
+	return (0);
+}
+
+static int
+scryptdec_setup(const uint8_t header[96], uint8_t dk[64],
+    const uint8_t * passwd, size_t passwdlen,
+    size_t maxmem, double maxmemfrac, double maxtime)
+{
+	uint8_t salt[32];
+	uint8_t hbuf[32];
+	int logN;
+	uint32_t r;
+	uint32_t p;
+	uint64_t N;
+	SHA256_CTX ctx;
+	uint8_t * key_hmac = &dk[32];
+	HMAC_SHA256_CTX hctx;
+	int rc;
+
+	/* Parse N, r, p, salt. */
+	logN = header[7];
+	r = be32dec(&header[8]);
+	p = be32dec(&header[12]);
+	memcpy(salt, &header[16], 32);
+
+	/* Verify header checksum. */
+	SHA256_Init(&ctx);
+	SHA256_Update(&ctx, header, 48);
+	SHA256_Final(hbuf, &ctx);
+	if (memcmp(&header[48], hbuf, 16))
+		return (7);
+
+	/*
+	 * Check whether the provided parameters are valid and whether the
+	 * key derivation function can be computed within the allowed memory
+	 * and CPU time.
+	 */
+	if ((rc = checkparams(maxmem, maxmemfrac, maxtime, logN, r, p)) != 0)
+		return (rc);
+
+	/* Compute the derived keys. */
+	N = (uint64_t)(1) << logN;
+	if (crypto_scrypt(passwd, passwdlen, salt, 32, N, r, p, dk, 64))
+		return (3);
+
+	/* Check header signature (i.e., verify password). */
+	HMAC_SHA256_Init(&hctx, key_hmac, 32);
+	HMAC_SHA256_Update(&hctx, header, 64);
+	HMAC_SHA256_Final(hbuf, &hctx);
+	if (memcmp(hbuf, &header[64], 32))
+		return (11);
+
+	/* Success! */
+	return (0);
+}
+
+/**
+ * scryptenc_buf(inbuf, inbuflen, outbuf, passwd, passwdlen,
+ *     maxmem, maxmemfrac, maxtime):
+ * Encrypt inbuflen bytes from inbuf, writing the resulting inbuflen + 128
+ * bytes to outbuf.
+ */
+int
+scryptenc_buf(const uint8_t * inbuf, size_t inbuflen, uint8_t * outbuf,
+    const uint8_t * passwd, size_t passwdlen,
+    size_t maxmem, double maxmemfrac, double maxtime)
+{
+	uint8_t dk[64];
+	uint8_t hbuf[32];
+	uint8_t header[96];
+	uint8_t * key_enc = dk;
+	uint8_t * key_hmac = &dk[32];
+	int rc;
+	HMAC_SHA256_CTX hctx;
+	AES_KEY key_enc_exp;
+	struct crypto_aesctr * AES;
+
+	/* Generate the header and derived key. */
+	if ((rc = scryptenc_setup(header, dk, passwd, passwdlen,
+	    maxmem, maxmemfrac, maxtime)) != 0)
+		return (rc);
+
+	/* Copy header into output buffer. */
+	memcpy(outbuf, header, 96);
+
+	/* Encrypt data. */
+	if (AES_set_encrypt_key(key_enc, 256, &key_enc_exp))
+		return (5);
+	if ((AES = crypto_aesctr_init(&key_enc_exp, 0)) == NULL)
+		return (6);
+	crypto_aesctr_stream(AES, inbuf, &outbuf[96], inbuflen);
+	crypto_aesctr_free(AES);
+
+	/* Add signature. */
+	HMAC_SHA256_Init(&hctx, key_hmac, 32);
+	HMAC_SHA256_Update(&hctx, outbuf, 96 + inbuflen);
+	HMAC_SHA256_Final(hbuf, &hctx);
+	memcpy(&outbuf[96 + inbuflen], hbuf, 32);
+
+	/* Zero sensitive data. */
+	memset(dk, 0, 64);
+	memset(&key_enc_exp, 0, sizeof(AES_KEY));
+
+	/* Success! */
+	return (0);
+}
+
+/**
+ * scryptdec_buf(inbuf, inbuflen, outbuf, outlen, passwd, passwdlen,
+ *     maxmem, maxmemfrac, maxtime):
+ * Decrypt inbuflen bytes fro inbuf, writing the result into outbuf and the
+ * decrypted data length to outlen.  The allocated length of outbuf must
+ * be at least inbuflen.
+ */
+int
+scryptdec_buf(const uint8_t * inbuf, size_t inbuflen, uint8_t * outbuf,
+    size_t * outlen, const uint8_t * passwd, size_t passwdlen,
+    size_t maxmem, double maxmemfrac, double maxtime)
+{
+	uint8_t hbuf[32];
+	uint8_t dk[64];
+	uint8_t * key_enc = dk;
+	uint8_t * key_hmac = &dk[32];
+	int rc;
+	HMAC_SHA256_CTX hctx;
+	AES_KEY key_enc_exp;
+	struct crypto_aesctr * AES;
+
+	/*
+	 * All versions of the scrypt format will start with "scrypt" and
+	 * have at least 7 bytes of header.
+	 */
+	if ((inbuflen < 7) || (memcmp(inbuf, "scrypt", 6) != 0))
+		return (7);
+
+	/* Check the format. */
+	if (inbuf[6] != 0)
+		return (8);
+
+	/* We must have at least 128 bytes. */
+	if (inbuflen < 128)
+		return (7);
+
+	/* Parse the header and generate derived keys. */
+	if ((rc = scryptdec_setup(inbuf, dk, passwd, passwdlen,
+	    maxmem, maxmemfrac, maxtime)) != 0)
+		return (rc);
+
+	/* Decrypt data. */
+	if (AES_set_encrypt_key(key_enc, 256, &key_enc_exp))
+		return (5);
+	if ((AES = crypto_aesctr_init(&key_enc_exp, 0)) == NULL)
+		return (6);
+	crypto_aesctr_stream(AES, &inbuf[96], outbuf, inbuflen - 128);
+	crypto_aesctr_free(AES);
+	*outlen = inbuflen - 128;
+
+	/* Verify signature. */
+	HMAC_SHA256_Init(&hctx, key_hmac, 32);
+	HMAC_SHA256_Update(&hctx, inbuf, inbuflen - 32);
+	HMAC_SHA256_Final(hbuf, &hctx);
+	if (memcmp(hbuf, &inbuf[inbuflen - 32], 32))
+		return (7);
+
+	/* Zero sensitive data. */
+	memset(dk, 0, 64);
+	memset(&key_enc_exp, 0, sizeof(AES_KEY));
+
+	/* Success! */
+	return (0);
+}
+
+/**
+ * scryptenc_file(infile, outfile, passwd, passwdlen,
+ *     maxmem, maxmemfrac, maxtime):
+ * Read a stream from infile and encrypt it, writing the resulting stream to
+ * outfile.
+ */
+int
+scryptenc_file(FILE * infile, FILE * outfile,
+    const uint8_t * passwd, size_t passwdlen,
+    size_t maxmem, double maxmemfrac, double maxtime)
+{
+	uint8_t buf[ENCBLOCK];
+	uint8_t dk[64];
+	uint8_t hbuf[32];
+	uint8_t header[96];
+	uint8_t * key_enc = dk;
+	uint8_t * key_hmac = &dk[32];
+	size_t readlen;
+	HMAC_SHA256_CTX hctx;
+	AES_KEY key_enc_exp;
+	struct crypto_aesctr * AES;
+	int rc;
+
+	/* Generate the header and derived key. */
+	if ((rc = scryptenc_setup(header, dk, passwd, passwdlen,
+	    maxmem, maxmemfrac, maxtime)) != 0)
+		return (rc);
+
+	/* Hash and write the header. */
+	HMAC_SHA256_Init(&hctx, key_hmac, 32);
+	HMAC_SHA256_Update(&hctx, header, 96);
+	if (fwrite(header, 96, 1, outfile) != 1)
+		return (12);
+
+	/*
+	 * Read blocks of data, encrypt them, and write them out; hash the
+	 * data as it is produced.
+	 */
+	if (AES_set_encrypt_key(key_enc, 256, &key_enc_exp))
+		return (5);
+	if ((AES = crypto_aesctr_init(&key_enc_exp, 0)) == NULL)
+		return (6);
+	do {
+		if ((readlen = fread(buf, 1, ENCBLOCK, infile)) == 0)
+			break;
+		crypto_aesctr_stream(AES, buf, buf, readlen);
+		HMAC_SHA256_Update(&hctx, buf, readlen);
+		if (fwrite(buf, 1, readlen, outfile) < readlen)
+			return (12);
+	} while (1);
+	crypto_aesctr_free(AES);
+
+	/* Did we exit the loop due to a read error? */
+	if (ferror(infile))
+		return (13);
+
+	/* Compute the final HMAC and output it. */
+	HMAC_SHA256_Final(hbuf, &hctx);
+	if (fwrite(hbuf, 32, 1, outfile) != 1)
+		return (12);
+
+	/* Zero sensitive data. */
+	memset(dk, 0, 64);
+	memset(&key_enc_exp, 0, sizeof(AES_KEY));
+
+	/* Success! */
+	return (0);
+}
+
+/**
+ * scryptdec_file(infile, outfile, passwd, passwdlen,
+ *     maxmem, maxmemfrac, maxtime):
+ * Read a stream from infile and decrypt it, writing the resulting stream to
+ * outfile.
+ */
+int
+scryptdec_file(FILE * infile, FILE * outfile,
+    const uint8_t * passwd, size_t passwdlen,
+    size_t maxmem, double maxmemfrac, double maxtime)
+{
+	uint8_t buf[ENCBLOCK + 32];
+	uint8_t header[96];
+	uint8_t hbuf[32];
+	uint8_t dk[64];
+	uint8_t * key_enc = dk;
+	uint8_t * key_hmac = &dk[32];
+	size_t buflen = 0;
+	size_t readlen;
+	HMAC_SHA256_CTX hctx;
+	AES_KEY key_enc_exp;
+	struct crypto_aesctr * AES;
+	int rc;
+
+	/*
+	 * Read the first 7 bytes of the file; all future version of scrypt
+	 * are guaranteed to have at least 7 bytes of header.
+	 */
+	if (fread(header, 7, 1, infile) < 1) {
+		if (ferror(infile))
+			return (13);
+		else
+			return (7);
+	}
+
+	/* Do we have the right magic? */
+	if (memcmp(header, "scrypt", 6))
+		return (7);
+	if (header[6] != 0)
+		return (8);
+
+	/*
+	 * Read another 89 bytes of the file; version 0 of the srypt file
+	 * format has a 96-byte header.
+	 */
+	if (fread(&header[7], 89, 1, infile) < 1) {
+		if (ferror(infile))
+			return (13);
+		else
+			return (7);
+	}
+
+	/* Parse the header and generate derived keys. */
+	if ((rc = scryptdec_setup(header, dk, passwd, passwdlen,
+	    maxmem, maxmemfrac, maxtime)) != 0)
+		return (rc);
+
+	/* Start hashing with the header. */
+	HMAC_SHA256_Init(&hctx, key_hmac, 32);
+	HMAC_SHA256_Update(&hctx, header, 96);
+
+	/*
+	 * We don't know how long the encrypted data block is (we can't know,
+	 * since data can be streamed into 'scrypt enc') so we need to read
+	 * data and decrypt all of it except the final 32 bytes, then check
+	 * if that final 32 bytes is the correct signature.
+	 */
+	if (AES_set_encrypt_key(key_enc, 256, &key_enc_exp))
+		return (5);
+	if ((AES = crypto_aesctr_init(&key_enc_exp, 0)) == NULL)
+		return (6);
+	do {
+		/* Read data until we have more than 32 bytes of it. */
+		if ((readlen = fread(&buf[buflen], 1,
+		    ENCBLOCK + 32 - buflen, infile)) == 0)
+			break;
+		buflen += readlen;
+		if (buflen <= 32)
+			continue;
+
+		/*
+		 * Decrypt, hash, and output everything except the last 32
+		 * bytes out of what we have in our buffer.
+		 */
+		HMAC_SHA256_Update(&hctx, buf, buflen - 32);
+		crypto_aesctr_stream(AES, buf, buf, buflen - 32);
+		if (fwrite(buf, 1, buflen - 32, outfile) < buflen - 32)
+			return (12);
+
+		/* Move the last 32 bytes to the start of the buffer. */
+		memmove(buf, &buf[buflen - 32], 32);
+		buflen = 32;
+	} while (1);
+	crypto_aesctr_free(AES);
+
+	/* Did we exit the loop due to a read error? */
+	if (ferror(infile))
+		return (13);
+
+	/* Did we read enough data that we *might* have a valid signature? */
+	if (buflen < 32)
+		return (7);
+
+	/* Verify signature. */
+	HMAC_SHA256_Final(hbuf, &hctx);
+	if (memcmp(hbuf, buf, 32))
+		return (7);
+
+	/* Zero sensitive data. */
+	memset(dk, 0, 64);
+	memset(&key_enc_exp, 0, sizeof(AES_KEY));
+
+	return (0);
+}

libpcp/scrypt/scryptenc/scryptenc.h

@@ -0,0 +1,112 @@
+/*-
+ * Copyright 2009 Colin Percival
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This file was originally written by Colin Percival as part of the Tarsnap
+ * online backup system.
+ */
+#ifndef _SCRYPTENC_H_
+#define _SCRYPTENC_H_
+
+#include <stdint.h>
+#include <stdio.h>
+
+/**
+ * The parameters maxmem, maxmemfrac, and maxtime used by all of these
+ * functions are defined as follows:
+ * maxmem - maximum number of bytes of storage to use for V array (which is
+ *     by far the largest consumer of memory).  If this value is set to 0, no
+ *     maximum will be enforced; any other value less than 1 MiB will be
+ *     treated as 1 MiB.
+ * maxmemfrac - maximum fraction of available storage to use for the V array,
+ *     where "available storage" is defined as the minimum out of the
+ *     RLIMIT_AS, RLIMIT_DATA. and RLIMIT_RSS resource limits (if any are
+ *     set).  If this value is set to 0 or more than 0.5 it will be treated
+ *     as 0.5; and this value will never cause a limit of less than 1 MiB to
+ *     be enforced.
+ * maxtime - maximum amount of CPU time to spend computing the derived keys,
+ *     in seconds.  This limit is only approximately enforced; the CPU
+ *     performance is estimated and parameter limits are chosen accordingly.
+ * For the encryption functions, the parameters to the scrypt key derivation
+ * function are chosen to make the key as strong as possible subject to the
+ * specified limits; for the decryption functions, the parameters used are
+ * compared to the computed limits and an error is returned if decrypting
+ * the data would take too much memory or CPU time.
+ */
+/**
+ * Return codes from scrypt(enc|dec)_(buf|file):
+ * 0	success
+ * 1	getrlimit or sysctl(hw.usermem) failed
+ * 2	clock_getres or clock_gettime failed
+ * 3	error computing derived key
+ * 4	could not read salt from /dev/urandom
+ * 5	error in OpenSSL
+ * 6	malloc failed
+ * 7	data is not a valid scrypt-encrypted block
+ * 8	unrecognized scrypt format
+ * 9	decrypting file would take too much memory
+ * 10	decrypting file would take too long
+ * 11	password is incorrect
+ * 12	error writing output file
+ * 13	error reading input file
+ */
+
+/**
+ * scryptenc_buf(inbuf, inbuflen, outbuf, passwd, passwdlen,
+ *     maxmem, maxmemfrac, maxtime):
+ * Encrypt inbuflen bytes from inbuf, writing the resulting inbuflen + 128
+ * bytes to outbuf.
+ */
+int scryptenc_buf(const uint8_t *, size_t, uint8_t *,
+    const uint8_t *, size_t, size_t, double, double);
+
+/**
+ * scryptdec_buf(inbuf, inbuflen, outbuf, outlen, passwd, passwdlen,
+ *     maxmem, maxmemfrac, maxtime):
+ * Decrypt inbuflen bytes from inbuf, writing the result into outbuf and the
+ * decrypted data length to outlen.  The allocated length of outbuf must
+ * be at least inbuflen.
+ */
+int scryptdec_buf(const uint8_t *, size_t, uint8_t *, size_t *,
+    const uint8_t *, size_t, size_t, double, double);
+
+/**
+ * scryptenc_file(infile, outfile, passwd, passwdlen,
+ *     maxmem, maxmemfrac, maxtime):
+ * Read a stream from infile and encrypt it, writing the resulting stream to
+ * outfile.
+ */
+int scryptenc_file(FILE *, FILE *, const uint8_t *, size_t,
+    size_t, double, double);
+
+/**
+ * scryptdec_file(infile, outfile, passwd, passwdlen,
+ *     maxmem, maxmemfrac, maxtime):
+ * Read a stream from infile and decrypt it, writing the resulting stream to
+ * outfile.
+ */
+int scryptdec_file(FILE *, FILE *, const uint8_t *, size_t,
+    size_t, double, double);
+
+#endif /* !_SCRYPTENC_H_ */

libpcp/scrypt/scryptenc/scryptenc_cpuperf.c

@@ -0,0 +1,185 @@
+/*-
+ * Copyright 2009 Colin Percival
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This file was originally written by Colin Percival as part of the Tarsnap
+ * online backup system.
+ */
+#include "scrypt_platform.h"
+
+#include <sys/time.h>
+
+#include <stdint.h>
+#include <stdio.h>
+#include <time.h>
+
+#include "crypto_scrypt.h"
+
+#include "scryptenc_cpuperf.h"
+
+#ifdef HAVE_CLOCK_GETTIME
+
+static clock_t clocktouse;
+
+static int
+getclockres(double * resd)
+{
+	struct timespec res;
+
+	/*
+	 * Try clocks in order of preference until we find one which works.
+	 * (We assume that if clock_getres works, clock_gettime will, too.)
+	 * The use of if/else/if/else/if/else rather than if/elif/elif/else
+	 * is ugly but legal, and allows us to #ifdef things appropriately.
+	 */
+#ifdef CLOCK_VIRTUAL
+	if (clock_getres(CLOCK_VIRTUAL, &res) == 0)
+		clocktouse = CLOCK_VIRTUAL;
+	else
+#endif
+#ifdef CLOCK_MONOTONIC
+	if (clock_getres(CLOCK_MONOTONIC, &res) == 0)
+		clocktouse = CLOCK_MONOTONIC;
+	else
+#endif
+	if (clock_getres(CLOCK_REALTIME, &res) == 0)
+		clocktouse = CLOCK_REALTIME;
+	else
+		return (-1);
+
+	/* Convert clock resolution to a double. */
+	*resd = res.tv_sec + res.tv_nsec * 0.000000001;
+
+	return (0);
+}
+
+static int
+getclocktime(struct timespec * ts)
+{
+
+	if (clock_gettime(clocktouse, ts))
+		return (-1);
+
+	return (0);
+}
+
+#else
+static int
+getclockres(double * resd)
+{
+
+	*resd = 1.0 / CLOCKS_PER_SEC;
+
+	return (0);
+}
+
+static int
+getclocktime(struct timespec * ts)
+{
+	struct timeval tv;
+
+	if (gettimeofday(&tv, NULL))
+		return (-1);
+	ts->tv_sec = tv.tv_sec;
+	ts->tv_nsec = tv.tv_usec * 1000;
+
+	return (0);
+}
+#endif
+
+static int
+getclockdiff(struct timespec * st, double * diffd)
+{
+	struct timespec en;
+
+	if (getclocktime(&en))
+		return (1);
+	*diffd = (en.tv_nsec - st->tv_nsec) * 0.000000001 +
+	    (en.tv_sec - st->tv_sec);
+
+	return (0);
+}
+
+/**
+ * scryptenc_cpuperf(opps):
+ * Estimate the number of salsa20/8 cores which can be executed per second,
+ * and return the value via opps.
+ */
+int
+scryptenc_cpuperf(double * opps)
+{
+	struct timespec st;
+	double resd, diffd;
+	uint64_t i = 0;
+
+	/* Get the clock resolution. */
+	if (getclockres(&resd))
+		return (2);
+
+#ifdef DEBUG
+	fprintf(stderr, "Clock resolution is %f\n", resd);
+#endif
+
+	/* Loop until the clock ticks. */
+	if (getclocktime(&st))
+		return (2);
+	do {
+		/* Do an scrypt. */
+		if (crypto_scrypt(NULL, 0, NULL, 0, 16, 1, 1, NULL, 0))
+			return (3);
+
+		/* Has the clock ticked? */
+		if (getclockdiff(&st, &diffd))
+			return (2);
+		if (diffd > 0)
+			break;
+	} while (1);
+
+	/* Could how many scryps we can do before the next tick. */
+	if (getclocktime(&st))
+		return (2);
+	do {
+		/* Do an scrypt. */
+		if (crypto_scrypt(NULL, 0, NULL, 0, 128, 1, 1, NULL, 0))
+			return (3);
+
+		/* We invoked the salsa20/8 core 512 times. */
+		i += 512;
+
+		/* Check if we have looped for long enough. */
+		if (getclockdiff(&st, &diffd))
+			return (2);
+		if (diffd > resd)
+			break;
+	} while (1);
+
+#ifdef DEBUG
+	fprintf(stderr, "%ju salsa20/8 cores performed in %f seconds\n",
+	    (uintmax_t)i, diffd);
+#endif
+
+	/* We can do approximately i salsa20/8 cores per diffd seconds. */
+	*opps = i / diffd;
+	return (0);
+}

libpcp/scrypt/scryptenc/scryptenc_cpuperf.h

@@ -0,0 +1,39 @@
+/*-
+ * Copyright 2009 Colin Percival
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This file was originally written by Colin Percival as part of the Tarsnap
+ * online backup system.
+ */
+#ifndef _SCRYPTENC_CPUPERF_H_
+#define _SCRYPTENC_CPUPERF_H_
+
+/**
+ * scryptenc_cpuperf(opps):
+ * Estimate the number of salsa20/8 cores which can be executed per second,
+ * and return the value via opps.
+ */
+int scryptenc_cpuperf(double *);
+
+#endif /* !_SCRYPTENC_CPUPERF_H_ */

libpcp/scrypt/util/memlimit.c

@@ -0,0 +1,302 @@
+/*-
+ * Copyright 2009 Colin Percival
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This file was originally written by Colin Percival as part of the Tarsnap
+ * online backup system.
+ */
+#include "scrypt_platform.h"
+
+#include <sys/types.h>
+#include <sys/resource.h>
+
+#ifdef HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
+#ifdef HAVE_SYSCTL_HW_USERMEM
+#include <sys/sysctl.h>
+#endif
+#ifdef HAVE_SYS_SYSINFO_H
+#include <sys/sysinfo.h>
+#endif
+
+#include <errno.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <unistd.h>
+
+#ifdef DEBUG
+#include <stdio.h>
+#endif
+
+#include "memlimit.h"
+
+#ifdef HAVE_SYSCTL_HW_USERMEM
+static int
+memlimit_sysctl_hw_usermem(size_t * memlimit)
+{
+	int mib[2];
+	uint8_t usermembuf[8];
+	size_t usermemlen = 8;
+	uint64_t usermem;
+
+	/* Ask the kernel how much RAM we have. */
+	mib[0] = CTL_HW;
+	mib[1] = HW_USERMEM;
+	if (sysctl(mib, 2, usermembuf, &usermemlen, NULL, 0))
+		return (1);
+
+	/*
+	 * Parse as either a uint64_t or a uint32_t based on the length of
+	 * output the kernel reports having copied out.  It appears that all
+	 * systems providing a sysctl interface for reading integers copy
+	 * them out as system-endian values, so we don't need to worry about
+	 * parsing them.
+	 */
+	if (usermemlen == sizeof(uint64_t))
+		usermem = *(uint64_t *)usermembuf;
+	else if (usermemlen == sizeof(uint32_t))
+		usermem = *(uint32_t *)usermembuf;
+	else
+		return (1);
+
+	/* Return the sysctl value, but clamp to SIZE_MAX if necessary. */
+#if UINT64_MAX > SIZE_MAX
+	if (usermem > SIZE_MAX)
+		*memlimit = SIZE_MAX;
+	else
+		*memlimit = usermem;
+#else
+	*memlimit = usermem;
+#endif
+
+	/* Success! */
+	return (0);
+}
+#endif
+
+/* If we don't HAVE_STRUCT_SYSINFO, we can't use sysinfo. */
+#ifndef HAVE_STRUCT_SYSINFO
+#undef HAVE_SYSINFO
+#endif
+
+/* If we don't HAVE_STRUCT_SYSINFO_TOTALRAM, we can't use sysinfo. */
+#ifndef HAVE_STRUCT_SYSINFO_TOTALRAM
+#undef HAVE_SYSINFO
+#endif
+
+#ifdef HAVE_SYSINFO
+static int
+memlimit_sysinfo(size_t * memlimit)
+{
+	struct sysinfo info;
+	uint64_t totalmem;
+
+	/* Get information from the kernel. */
+	if (sysinfo(&info))
+		return (1);
+	totalmem = info.totalram;
+
+	/* If we're on a modern kernel, adjust based on mem_unit. */
+#ifdef HAVE_STRUCT_SYSINFO_MEM_UNIT
+	totalmem = totalmem * info.mem_unit;
+#endif
+
+	/* Return the value, but clamp to SIZE_MAX if necessary. */
+#if UINT64_MAX > SIZE_MAX
+	if (totalmem > SIZE_MAX)
+		*memlimit = SIZE_MAX;
+	else
+		*memlimit = totalmem;
+#else
+	*memlimit = totalmem;
+#endif
+
+	/* Success! */
+	return (0);
+}
+#endif /* HAVE_SYSINFO */
+
+static int
+memlimit_rlimit(size_t * memlimit)
+{
+	struct rlimit rl;
+	uint64_t memrlimit;
+
+	/* Find the least of... */
+	memrlimit = (uint64_t)(-1);
+
+	/* ... RLIMIT_AS... */
+#ifdef RLIMIT_AS
+	if (getrlimit(RLIMIT_AS, &rl))
+		return (1);
+	if ((rl.rlim_cur != RLIM_INFINITY) &&
+	    ((uint64_t)rl.rlim_cur < memrlimit))
+		memrlimit = rl.rlim_cur;
+#endif
+
+	/* ... RLIMIT_DATA... */
+	if (getrlimit(RLIMIT_DATA, &rl))
+		return (1);
+	if ((rl.rlim_cur != RLIM_INFINITY) &&
+	    ((uint64_t)rl.rlim_cur < memrlimit))
+		memrlimit = rl.rlim_cur;
+
+	/* ... and RLIMIT_RSS. */
+#ifdef RLIMIT_RSS
+	if (getrlimit(RLIMIT_RSS, &rl))
+		return (1);
+	if ((rl.rlim_cur != RLIM_INFINITY) &&
+	    ((uint64_t)rl.rlim_cur < memrlimit))
+		memrlimit = rl.rlim_cur;
+#endif
+
+	/* Return the value, but clamp to SIZE_MAX if necessary. */
+#if UINT64_MAX > SIZE_MAX
+	if (memrlimit > SIZE_MAX)
+		*memlimit = SIZE_MAX;
+	else
+		*memlimit = memrlimit;
+#else
+	*memlimit = memrlimit;
+#endif
+
+	/* Success! */
+	return (0);
+}
+
+#ifdef _SC_PHYS_PAGES
+
+/* Some systems define _SC_PAGESIZE instead of _SC_PAGE_SIZE. */
+#ifndef _SC_PAGE_SIZE
+#define _SC_PAGE_SIZE _SC_PAGESIZE
+#endif
+
+static int
+memlimit_sysconf(size_t * memlimit)
+{
+	long pagesize;
+	long physpages;
+	uint64_t totalmem;
+
+	/* Set errno to 0 in order to distinguish "no limit" from "error". */
+	errno = 0;
+
+	/* Read the two limits. */
+	if (((pagesize = sysconf(_SC_PAGE_SIZE)) == -1) ||
+	    ((physpages = sysconf(_SC_PHYS_PAGES)) == -1)) {
+		/* Did an error occur? */
+		if (errno != 0)
+			return (1);
+
+		/* If not, there is no limit. */
+		totalmem = (uint64_t)(-1);
+	} else {
+		/* Compute the limit. */
+		totalmem = (uint64_t)(pagesize) * (uint64_t)(physpages);
+	}
+
+	/* Return the value, but clamp to SIZE_MAX if necessary. */
+#if UINT64_MAX > SIZE_MAX
+	if (totalmem > SIZE_MAX)
+		*memlimit = SIZE_MAX;
+	else
+		*memlimit = totalmem;
+#else
+	*memlimit = totalmem;
+#endif
+
+	/* Success! */
+	return (0);
+}
+#endif
+
+int
+memtouse(size_t maxmem, double maxmemfrac, size_t * memlimit)
+{
+	size_t sysctl_memlimit, sysinfo_memlimit, rlimit_memlimit;
+	size_t sysconf_memlimit;
+	size_t memlimit_min;
+	size_t memavail;
+
+	/* Get memory limits. */
+#ifdef HAVE_SYSCTL_HW_USERMEM
+	if (memlimit_sysctl_hw_usermem(&sysctl_memlimit))
+		return (1);
+#else
+	sysctl_memlimit = (size_t)(-1);
+#endif
+#ifdef HAVE_SYSINFO
+	if (memlimit_sysinfo(&sysinfo_memlimit))
+		return (1);
+#else
+	sysinfo_memlimit = (size_t)(-1);
+#endif
+	if (memlimit_rlimit(&rlimit_memlimit))
+		return (1);
+#ifdef _SC_PHYS_PAGES
+	if (memlimit_sysconf(&sysconf_memlimit))
+		return (1);
+#else
+	sysconf_memlimit = (size_t)(-1);
+#endif
+
+#ifdef DEBUG
+	fprintf(stderr, "Memory limits are %zu %zu %zu %zu\n",
+	    sysctl_memlimit, sysinfo_memlimit, rlimit_memlimit,
+	    sysconf_memlimit);
+#endif
+
+	/* Find the smallest of them. */
+	memlimit_min = (size_t)(-1);
+	if (memlimit_min > sysctl_memlimit)
+		memlimit_min = sysctl_memlimit;
+	if (memlimit_min > sysinfo_memlimit)
+		memlimit_min = sysinfo_memlimit;
+	if (memlimit_min > rlimit_memlimit)
+		memlimit_min = rlimit_memlimit;
+	if (memlimit_min > sysconf_memlimit)
+		memlimit_min = sysconf_memlimit;
+
+	/* Only use the specified fraction of the available memory. */
+	if ((maxmemfrac > 0.5) || (maxmemfrac == 0.0))
+		maxmemfrac = 0.5;
+	memavail = maxmemfrac * memlimit_min;
+
+	/* Don't use more than the specified maximum. */
+	if ((maxmem > 0) && (memavail > maxmem))
+		memavail = maxmem;
+
+	/* But always allow at least 1 MiB. */
+	if (memavail < 1048576)
+		memavail = 1048576;
+
+#ifdef DEBUG
+	fprintf(stderr, "Allowing up to %zu memory to be used\n", memavail);
+#endif
+
+	/* Return limit via the provided pointer. */
+	*memlimit = memavail;
+	return (0);
+}

libpcp/scrypt/util/memlimit.h

@@ -0,0 +1,42 @@
+/*-
+ * Copyright 2009 Colin Percival
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This file was originally written by Colin Percival as part of the Tarsnap
+ * online backup system.
+ */
+#ifndef _MEMLIMIT_H_
+#define _MEMLIMIT_H_
+
+#include <stddef.h>
+
+/**
+ * memtouse(maxmem, maxmemfrac, memlimit):
+ * Examine the system and return via memlimit the amount of RAM which should
+ * be used -- the specified fraction of the available RAM, but no more than
+ * maxmem, and no less than 1MiB.
+ */
+int memtouse(size_t, double, size_t *);
+
+#endif /* !_MEMLIMIT_H_ */

libpcp/scrypt/util/readpass.c

@@ -0,0 +1,143 @@
+/*-
+ * Copyright 2009 Colin Percival
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+#include "scrypt_platform.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <termios.h>
+#include <unistd.h>
+
+#include "warn.h"
+
+#include "readpass.h"
+
+#define MAXPASSLEN 2048
+
+/**
+ * tarsnap_getpass(passwd, prompt, confirmprompt, devtty)
+ * If ${devtty} is non-zero, read a password from /dev/tty if possible; if
+ * not, read from stdin.  If reading from a tty (either /dev/tty or stdin),
+ * disable echo and prompt the user by printing ${prompt} to stderr.  If
+ * ${confirmprompt} is non-NULL, read a second password (prompting if a
+ * terminal is being used) and repeat until the user enters the same password
+ * twice.  Return the password as a malloced NUL-terminated string via
+ * ${passwd}.  The obscure name is to avoid namespace collisions due to the
+ * getpass / readpass / readpassphrase / etc. functions in various libraries.
+ */
+int
+tarsnap_readpass(char ** passwd, const char * prompt,
+    const char * confirmprompt, int devtty)
+{
+	FILE * readfrom;
+	char passbuf[MAXPASSLEN];
+	char confpassbuf[MAXPASSLEN];
+	struct termios term, term_old;
+	int usingtty;
+
+	/*
+	 * If devtty != 0, try to open /dev/tty; if that fails, or if devtty
+	 * is zero, we'll read the password from stdin instead.
+	 */
+	if ((devtty == 0) || ((readfrom = fopen("/dev/tty", "r")) == NULL))
+		readfrom = stdin;
+
+	/* If we're reading from a terminal, try to disable echo. */
+	if ((usingtty = isatty(fileno(readfrom))) != 0) {
+		if (tcgetattr(fileno(readfrom), &term_old)) {
+			warn("Cannot read terminal settings");
+			goto err1;
+		}
+		memcpy(&term, &term_old, sizeof(struct termios));
+		term.c_lflag = (term.c_lflag & ~ECHO) | ECHONL;
+		if (tcsetattr(fileno(readfrom), TCSANOW, &term)) {
+			warn("Cannot set terminal settings");
+			goto err1;
+		}
+	}
+
+retry:
+	/* If we have a terminal, prompt the user to enter the password. */
+	if (usingtty)
+		fprintf(stderr, "%s: ", prompt);
+
+	/* Read the password. */
+	if (fgets(passbuf, MAXPASSLEN, readfrom) == NULL) {
+		warn("Cannot read password");
+		goto err2;
+	}
+
+	/* Confirm the password if necessary. */
+	if (confirmprompt != NULL) {
+		if (usingtty)
+			fprintf(stderr, "%s: ", confirmprompt);
+		if (fgets(confpassbuf, MAXPASSLEN, readfrom) == NULL) {
+			warn("Cannot read password");
+			goto err2;
+		}
+		if (strcmp(passbuf, confpassbuf)) {
+			fprintf(stderr,
+			    "Passwords mismatch, please try again\n");
+			goto retry;
+		}
+	}
+
+	/* Terminate the string at the first "\r" or "\n" (if any). */
+	passbuf[strcspn(passbuf, "\r\n")] = '\0';
+
+	/* If we changed terminal settings, reset them. */
+	if (usingtty)
+		tcsetattr(fileno(readfrom), TCSANOW, &term_old);
+
+	/* Close /dev/tty if we opened it. */
+	if (readfrom != stdin)
+		fclose(readfrom);
+
+	/* Copy the password out. */
+	if ((*passwd = strdup(passbuf)) == NULL) {
+		warn("Cannot allocate memory");
+		goto err1;
+	}
+
+	/* Zero any stored passwords. */
+	memset(passbuf, 0, MAXPASSLEN);
+	memset(confpassbuf, 0, MAXPASSLEN);
+
+	/* Success! */
+	return (0);
+
+err2:
+	/* Reset terminal settings if necessary. */
+	if (usingtty)
+		tcsetattr(fileno(readfrom), TCSAFLUSH, &term_old);
+err1:
+	/* Close /dev/tty if we opened it. */
+	if (readfrom != stdin)
+		fclose(readfrom);
+
+	/* Failure! */
+	return (-1);
+}

libpcp/scrypt/util/readpass.h

@@ -0,0 +1,45 @@
+/*-
+ * Copyright 2009 Colin Percival
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This file was originally written by Colin Percival as part of the Tarsnap
+ * online backup system.
+ */
+#ifndef _READPASS_H_
+#define _READPASS_H_
+
+/**
+ * tarsnap_getpass(passwd, prompt, confirmprompt, devtty)
+ * If ${devtty} is non-zero, read a password from /dev/tty if possible; if
+ * not, read from stdin.  If reading from a tty (either /dev/tty or stdin),
+ * disable echo and prompt the user by printing ${prompt} to stderr.  If
+ * ${confirmprompt} is non-NULL, read a second password (prompting if a
+ * terminal is being used) and repeat until the user enters the same password
+ * twice.  Return the password as a malloced NUL-terminated string via
+ * ${passwd}.  The obscure name is to avoid namespace collisions due to the
+ * getpass / readpass / readpassphrase / etc. functions in various libraries.
+ */
+int tarsnap_readpass(char **, const char *, const char *, int);
+
+#endif /* !_READPASS_H_ */

libpcp/scrypt/util/sysendian.h

@@ -0,0 +1,140 @@
+/*-
+ * Copyright 2007-2009 Colin Percival
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This file was originally written by Colin Percival as part of the Tarsnap
+ * online backup system.
+ */
+#ifndef _SYSENDIAN_H_
+#define _SYSENDIAN_H_
+
+#include "scrypt_platform.h"
+
+/* If we don't have be64enc, the <sys/endian.h> we have isn't usable. */
+#if !HAVE_DECL_BE64ENC
+#undef HAVE_SYS_ENDIAN_H
+#endif
+
+#ifdef HAVE_SYS_ENDIAN_H
+
+#include <sys/endian.h>
+
+#else
+
+#include <stdint.h>
+
+static inline uint32_t
+be32dec(const void *pp)
+{
+	const uint8_t *p = (uint8_t const *)pp;
+
+	return ((uint32_t)(p[3]) + ((uint32_t)(p[2]) << 8) +
+	    ((uint32_t)(p[1]) << 16) + ((uint32_t)(p[0]) << 24));
+}
+
+static inline void
+be32enc(void *pp, uint32_t x)
+{
+	uint8_t * p = (uint8_t *)pp;
+
+	p[3] = x & 0xff;
+	p[2] = (x >> 8) & 0xff;
+	p[1] = (x >> 16) & 0xff;
+	p[0] = (x >> 24) & 0xff;
+}
+
+static inline uint64_t
+be64dec(const void *pp)
+{
+	const uint8_t *p = (uint8_t const *)pp;
+
+	return ((uint64_t)(p[7]) + ((uint64_t)(p[6]) << 8) +
+	    ((uint64_t)(p[5]) << 16) + ((uint64_t)(p[4]) << 24) +
+	    ((uint64_t)(p[3]) << 32) + ((uint64_t)(p[2]) << 40) +
+	    ((uint64_t)(p[1]) << 48) + ((uint64_t)(p[0]) << 56));
+}
+
+static inline void
+be64enc(void *pp, uint64_t x)
+{
+	uint8_t * p = (uint8_t *)pp;
+
+	p[7] = x & 0xff;
+	p[6] = (x >> 8) & 0xff;
+	p[5] = (x >> 16) & 0xff;
+	p[4] = (x >> 24) & 0xff;
+	p[3] = (x >> 32) & 0xff;
+	p[2] = (x >> 40) & 0xff;
+	p[1] = (x >> 48) & 0xff;
+	p[0] = (x >> 56) & 0xff;
+}
+
+static inline uint32_t
+le32dec(const void *pp)
+{
+	const uint8_t *p = (uint8_t const *)pp;
+
+	return ((uint32_t)(p[0]) + ((uint32_t)(p[1]) << 8) +
+	    ((uint32_t)(p[2]) << 16) + ((uint32_t)(p[3]) << 24));
+}
+
+static inline void
+le32enc(void *pp, uint32_t x)
+{
+	uint8_t * p = (uint8_t *)pp;
+
+	p[0] = x & 0xff;
+	p[1] = (x >> 8) & 0xff;
+	p[2] = (x >> 16) & 0xff;
+	p[3] = (x >> 24) & 0xff;
+}
+
+static inline uint64_t
+le64dec(const void *pp)
+{
+	const uint8_t *p = (uint8_t const *)pp;
+
+	return ((uint64_t)(p[0]) + ((uint64_t)(p[1]) << 8) +
+	    ((uint64_t)(p[2]) << 16) + ((uint64_t)(p[3]) << 24) +
+	    ((uint64_t)(p[4]) << 32) + ((uint64_t)(p[5]) << 40) +
+	    ((uint64_t)(p[6]) << 48) + ((uint64_t)(p[7]) << 56));
+}
+
+static inline void
+le64enc(void *pp, uint64_t x)
+{
+	uint8_t * p = (uint8_t *)pp;
+
+	p[0] = x & 0xff;
+	p[1] = (x >> 8) & 0xff;
+	p[2] = (x >> 16) & 0xff;
+	p[3] = (x >> 24) & 0xff;
+	p[4] = (x >> 32) & 0xff;
+	p[5] = (x >> 40) & 0xff;
+	p[6] = (x >> 48) & 0xff;
+	p[7] = (x >> 56) & 0xff;
+}
+#endif /* !HAVE_SYS_ENDIAN_H */
+
+#endif /* !_SYSENDIAN_H_ */

libpcp/scrypt/util/warn.c

@@ -0,0 +1,75 @@
+/*-
+ * Copyright 2009 Colin Percival
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This file was originally written by Colin Percival as part of the Tarsnap
+ * online backup system.
+ */
+#include "scrypt_platform.h"
+
+#ifdef HAVE_ERR_H
+/*
+ * Everything is provided through err.h and the associated library, so we
+ * don't need to do anything here.
+ */
+#else
+#include <errno.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "warn.h"
+
+const char * warn_progname = "(null)";
+
+void
+warn(const char * fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	fprintf(stderr, "%s", warn_progname);
+	if (fmt != NULL) {
+		fprintf(stderr, ": ");
+		vfprintf(stderr, fmt, ap);
+	}
+	fprintf(stderr, ": %s\n", strerror(errno));
+	va_end(ap);
+}
+
+void
+warnx(const char * fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	fprintf(stderr, "%s", warn_progname);
+	if (fmt != NULL) {
+		fprintf(stderr, ": ");
+		vfprintf(stderr, fmt, ap);
+	}
+	fprintf(stderr, "\n");
+	va_end(ap);
+}
+#endif

libpcp/scrypt/util/warn.h

@@ -0,0 +1,13 @@
+#ifndef _WARN_H_
+#define _WARN_H_
+
+#ifdef HAVE_ERR_H
+#include <err.h>
+#else
+#define NEED_WARN_PROGNAME
+const char * warn_progname;
+void warn(const char *, ...);
+void warnx(const char *, ...);
+#endif
+
+#endif /* !_WARN_H_ */

libtool

@@ -2,12 +2,12 @@
 
 # libtool - Provide generalized library-building support services.
 # Generated automatically by config.status (pcp) 0.1.5
-# Libtool was configured on host io:
+# Libtool was configured on host r4:
 # NOTE: Changes made to this file will be lost: look at ltmain.sh.
 #
 #   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,
-#                 2006, 2007, 2008, 2009, 2010 Free Software Foundation,
+#                 2006, 2007, 2008, 2009, 2010, 2011 Free Software
-#                 Inc.
+#                 Foundation, Inc.
 #   Written by Gordon Matzigkeit, 1996
 #
 #   This file is part of GNU Libtool.
@@ -40,8 +40,8 @@ available_tags="CXX "
 # ### BEGIN LIBTOOL CONFIG
 
 # Which release of libtool.m4 was used?
-macro_version=2.4
+macro_version=2.4.2
-macro_revision=1.3293
+macro_revision=1.3337
 
 # Whether or not to build shared libraries.
 build_libtool_libs=yes
@@ -61,15 +61,18 @@ SHELL="/bin/sh"
 # An echo program that protects backslashes.
 ECHO="printf %s\\n"
 
+# The PATH separator for the build system.
+PATH_SEPARATOR=":"
+
 # The host system.
 host_alias=
-host=amd64-unknown-freebsd9.0
+host=amd64-unknown-freebsd9.1
-host_os=freebsd9.0
+host_os=freebsd9.1
 
 # The build system.
 build_alias=
-build=amd64-unknown-freebsd9.0
+build=amd64-unknown-freebsd9.1
-build_os=freebsd9.0
+build_os=freebsd9.1
 
 # A sed program that does not truncate output.
 SED="/usr/bin/sed"
@@ -151,7 +154,7 @@ STRIP="strip"
 
 # Commands used to install an old-style archive.
 RANLIB="ranlib"
-old_postinstall_cmds="chmod 644 \$oldlib~\$RANLIB \$oldlib"
+old_postinstall_cmds="chmod 644 \$oldlib~\$RANLIB \$tool_oldlib"
 old_postuninstall_cmds=""
 
 # Whether to use a lock for old archive extraction.
@@ -161,7 +164,7 @@ lock_old_archive_extraction=no
 LTCC="gcc"
 
 # LTCC compiler flags.
-LTCFLAGS="-I/usr/local/include   -I/usr/local/include"
+LTCFLAGS="-g -O2 -I/usr/local/include"
 
 # Take the output of nm and produce a listing of raw symbols and C names.
 global_symbol_pipe="sed -n -e 's/^.*[	 ]\\([ABCDGIRSTW][ABCDGIRSTW]*\\)[	 ][	 ]*\\([_A-Za-z][_A-Za-z0-9]*\\)\$/\\1 \\2 \\2/p' | sed '/ __gnu_lto/d'"
@@ -296,7 +299,7 @@ reload_flag=" -r"
 reload_cmds="\$LD\$reload_flag -o \$output\$reload_objs"
 
 # Commands used to build an old-style archive.
-old_archive_cmds="\$AR \$AR_FLAGS \$oldlib\$oldobjs~\$RANLIB \$oldlib"
+old_archive_cmds="\$AR \$AR_FLAGS \$oldlib\$oldobjs~\$RANLIB \$tool_oldlib"
 
 # A language specific compiler.
 CC="gcc"
@@ -362,10 +365,6 @@ no_undefined_flag=""
 # This must work even if $libdir does not exist
 hardcode_libdir_flag_spec="\${wl}-rpath \${wl}\$libdir"
 
-# If ld is used when linking, flag to hardcode $libdir into a binary
-# during linking.  This must work even if $libdir does not exist.
-hardcode_libdir_flag_spec_ld=""
-
 # Whether we need a single "-rpath" flag with a separated argument.
 hardcode_libdir_separator=""
 
@@ -440,11 +439,11 @@ compiler_lib_search_path=""
 # ### END LIBTOOL CONFIG
 
 
-# libtool (GNU libtool) 2.4
+# libtool (GNU libtool) 2.4.2
 # Written by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
 
 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006,
-# 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+# 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
 # This is free software; see the source for copying conditions.  There is NO
 # warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 
@@ -482,6 +481,7 @@ compiler_lib_search_path=""
 #       --quiet, --silent    don't print informational messages
 #       --no-quiet, --no-silent
 #                            print informational messages (default)
+#       --no-warn            don't display warning messages
 #       --tag=TAG            use configuration variables from tag TAG
 #   -v, --verbose            print more informational messages than default
 #       --no-verbose         don't print the extra informational messages
@@ -510,7 +510,7 @@ compiler_lib_search_path=""
 #         compiler:		$LTCC
 #         compiler flags:		$LTCFLAGS
 #         linker:		$LD (gnu? $with_gnu_ld)
-#         $progname:	(GNU libtool) 2.4
+#         $progname:	(GNU libtool) 2.4.2
 #         automake:	$automake_version
 #         autoconf:	$autoconf_version
 #
@@ -520,9 +520,9 @@ compiler_lib_search_path=""
 
 PROGRAM=libtool
 PACKAGE=libtool
-VERSION=2.4
+VERSION=2.4.2
 TIMESTAMP=""
-package_revision=1.3293
+package_revision=1.3337
 
 # Be Bourne compatible
 if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
@@ -577,15 +577,10 @@ progpath="$0"
 
 : ${CP="cp -f"}
 test "${ECHO+set}" = set || ECHO=${as_echo-'printf %s\n'}
-: ${EGREP="grep -E"}
-: ${FGREP="grep -F"}
-: ${GREP="grep"}
-: ${LN_S="ln -s"}
 : ${MAKE="make"}
 : ${MKDIR="mkdir"}
 : ${MV="mv -f"}
 : ${RM="rm -f"}
-: ${SED="sed"}
 : ${SHELL="${CONFIG_SHELL-/bin/sh}"}
 : ${Xsed="$SED -e 1s/^X//"}
 
@@ -824,7 +819,7 @@ case $progpath in
      ;;
   *)
      save_IFS="$IFS"
-     IFS=:
+     IFS=${PATH_SEPARATOR-:}
      for progdir in $PATH; do
        IFS="$save_IFS"
        test -x "$progdir/$progname" && break
@@ -1208,8 +1203,8 @@ func_help ()
 	s*\$LTCFLAGS*'"$LTCFLAGS"'*
 	s*\$LD*'"$LD"'*
 	s/\$with_gnu_ld/'"$with_gnu_ld"'/
-	s/\$automake_version/'"`(automake --version) 2>/dev/null |$SED 1q`"'/
+	s/\$automake_version/'"`(${AUTOMAKE-automake} --version) 2>/dev/null |$SED 1q`"'/
-	s/\$autoconf_version/'"`(autoconf --version) 2>/dev/null |$SED 1q`"'/
+	s/\$autoconf_version/'"`(${AUTOCONF-autoconf} --version) 2>/dev/null |$SED 1q`"'/
 	p
 	d
      }
@@ -1486,6 +1481,7 @@ opt_finish=false
 opt_help=false
 opt_help_all=false
 opt_silent=:
+opt_warning=:
 opt_verbose=:
 opt_silent=false
 opt_verbose=false
@@ -1552,6 +1548,10 @@ esac
 			;;
       --no-silent|--no-quiet)
 			opt_silent=false
+preserve_args="$preserve_args $opt"
+			;;
+      --no-warning|--no-warn)
+			opt_warning=false
 preserve_args="$preserve_args $opt"
 			;;
       --no-verbose)
@@ -2523,7 +2523,7 @@ func_mode_compile ()
     *.[cCFSifmso] | \
     *.ada | *.adb | *.ads | *.asm | \
     *.c++ | *.cc | *.ii | *.class | *.cpp | *.cxx | \
-    *.[fF][09]? | *.for | *.java | *.obj | *.sx | *.cu | *.cup)
+    *.[fF][09]? | *.for | *.java | *.go | *.obj | *.sx | *.cu | *.cup)
       func_xform "$libobj"
       libobj=$func_xform_result
       ;;
@@ -3665,11 +3665,13 @@ func_mode_install ()
 
       # Set up the ranlib parameters.
       oldlib="$destdir/$name"
+      func_to_tool_file "$oldlib" func_convert_file_msys_to_w32
+      tool_oldlib=$func_to_tool_file_result
 
       func_show_eval "$install_prog \$file \$oldlib" 'exit $?'
 
       if test -n "$stripme" && test -n "$old_striplib"; then
-	func_show_eval "$old_striplib $oldlib" 'exit $?'
+	func_show_eval "$old_striplib $tool_oldlib" 'exit $?'
       fi
 
       # Do each command in the postinstall commands.
@@ -3934,7 +3936,7 @@ static const void *lt_preloaded_setup() {
 	  # linked before any other PIC object.  But we must not use
 	  # pic_flag when linking with -static.  The problem exists in
 	  # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1.
-	  *-*-freebsd2*|*-*-freebsd3.0*|*-*-freebsdelf3.0*)
+	  *-*-freebsd2.*|*-*-freebsd3.0*|*-*-freebsdelf3.0*)
 	    pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;;
 	  *-*-hpux*)
 	    pic_flag_for_symtable=" $pic_flag"  ;;
@@ -4449,14 +4451,17 @@ func_exec_program_core ()
 # launches target application with the remaining arguments.
 func_exec_program ()
 {
-  for lt_wr_arg
+  case \" \$* \" in
-  do
+  *\\ --lt-*)
-    case \$lt_wr_arg in
+    for lt_wr_arg
-    --lt-*) ;;
+    do
-    *) set x \"\$@\" \"\$lt_wr_arg\"; shift;;
+      case \$lt_wr_arg in
-    esac
+      --lt-*) ;;
-    shift
+      *) set x \"\$@\" \"\$lt_wr_arg\"; shift;;
-  done
+      esac
+      shift
+    done ;;
+  esac
   func_exec_program_core \${1+\"\$@\"}
 }
 
@@ -5524,9 +5529,15 @@ void lt_dump_script (FILE* f)
 {
 EOF
 	    func_emit_wrapper yes |
-              $SED -e 's/\([\\"]\)/\\\1/g' \
+	      $SED -n -e '
-	           -e 's/^/  fputs ("/' -e 's/$/\\n", f);/'
+s/^\(.\{79\}\)\(..*\)/\1\
-
+\2/
+h
+s/\([\\"]\)/\\\1/g
+s/$/\\n/
+s/\([^\n]*\).*/  fputs ("\1", f);/p
+g
+D'
             cat <<"EOF"
 }
 EOF
@@ -6111,7 +6122,8 @@ func_mode_link ()
 	continue
 	;;
 
-      -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe|-threads)
+      -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \
+      |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*)
 	compiler_flags="$compiler_flags $arg"
 	compile_command="$compile_command $arg"
 	finalize_command="$finalize_command $arg"
@@ -6615,7 +6627,8 @@ func_mode_link ()
 	lib=
 	found=no
 	case $deplib in
-	-mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe|-threads)
+	-mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \
+        |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*)
 	  if test "$linkmode,$pass" = "prog,link"; then
 	    compile_deplibs="$deplib $compile_deplibs"
 	    finalize_deplibs="$deplib $finalize_deplibs"
@@ -7316,7 +7329,7 @@ func_mode_link ()
 	         test "$hardcode_direct_absolute" = no; then
 		add="$dir/$linklib"
 	      elif test "$hardcode_minus_L" = yes; then
-		add_dir="-L$dir"
+		add_dir="-L$absdir"
 		# Try looking first in the location we're being installed to.
 		if test -n "$inst_prefix_dir"; then
 		  case $libdir in
@@ -7801,6 +7814,7 @@ func_mode_link ()
 	  # which has an extra 1 added just for fun
 	  #
 	  case $version_type in
+	  # correct linux to gnu/linux during the next big refactor
 	  darwin|linux|osf|windows|none)
 	    func_arith $number_major + $number_minor
 	    current=$func_arith_result
@@ -7917,7 +7931,7 @@ func_mode_link ()
 	  versuffix="$major.$revision"
 	  ;;
 
-	linux)
+	linux) # correct to gnu/linux during the next big refactor
 	  func_arith $current - $age
 	  major=.$func_arith_result
 	  versuffix="$major.$age.$revision"
@@ -8505,6 +8519,11 @@ EOF
 
       # Test again, we may have decided not to build it any more
       if test "$build_libtool_libs" = yes; then
+	# Remove ${wl} instances when linking with ld.
+	# FIXME: should test the right _cmds variable.
+	case $archive_cmds in
+	  *\$LD\ *) wl= ;;
+        esac
 	if test "$hardcode_into_libs" = yes; then
 	  # Hardcode the library paths
 	  hardcode_libdirs=
@@ -8535,7 +8554,7 @@ EOF
 	    elif test -n "$runpath_var"; then
 	      case "$perm_rpath " in
 	      *" $libdir "*) ;;
-	      *) func_apped perm_rpath " $libdir" ;;
+	      *) perm_rpath="$perm_rpath $libdir" ;;
 	      esac
 	    fi
 	  done
@@ -8543,11 +8562,7 @@ EOF
 	  if test -n "$hardcode_libdir_separator" &&
 	     test -n "$hardcode_libdirs"; then
 	    libdir="$hardcode_libdirs"
-	    if test -n "$hardcode_libdir_flag_spec_ld"; then
+	    eval "dep_rpath=\"$hardcode_libdir_flag_spec\""
-	      eval dep_rpath=\"$hardcode_libdir_flag_spec_ld\"
-	    else
-	      eval dep_rpath=\"$hardcode_libdir_flag_spec\"
-	    fi
 	  fi
 	  if test -n "$runpath_var" && test -n "$perm_rpath"; then
 	    # We should set the runpath_var.
@@ -9637,6 +9652,8 @@ EOF
 	    esac
 	  done
 	fi
+	func_to_tool_file "$oldlib" func_convert_file_msys_to_w32
+	tool_oldlib=$func_to_tool_file_result
 	eval cmds=\"$old_archive_cmds\"
 
 	func_len " $cmds"
@@ -9746,7 +9763,8 @@ EOF
 	      *.la)
 		func_basename "$deplib"
 		name="$func_basename_result"
-		eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib`
+		func_resolve_sysroot "$deplib"
+		eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $func_resolve_sysroot_result`
 		test -z "$libdir" && \
 		  func_fatal_error "\`$deplib' is not a valid libtool archive"
 		newdependency_libs="$newdependency_libs ${lt_sysroot:+=}$libdir/$name"
@@ -10130,7 +10148,7 @@ reload_flag=" -r"
 reload_cmds="\$LD\$reload_flag -o \$output\$reload_objs"
 
 # Commands used to build an old-style archive.
-old_archive_cmds="\$AR \$AR_FLAGS \$oldlib\$oldobjs~\$RANLIB \$oldlib"
+old_archive_cmds="\$AR \$AR_FLAGS \$oldlib\$oldobjs~\$RANLIB \$tool_oldlib"
 
 # A language specific compiler.
 CC="g++"
@@ -10196,10 +10214,6 @@ no_undefined_flag=""
 # This must work even if $libdir does not exist
 hardcode_libdir_flag_spec="\${wl}-rpath \${wl}\$libdir"
 
-# If ld is used when linking, flag to hardcode $libdir into a binary
-# during linking.  This must work even if $libdir does not exist.
-hardcode_libdir_flag_spec_ld=""
-
 # Whether we need a single "-rpath" flag with a separated argument.
 hardcode_libdir_separator=""
 

man/Makefile.in

@@ -1,4 +1,4 @@
-# Makefile.in generated by automake 1.12.4 from Makefile.am.
+# Makefile.in generated by automake 1.12.6 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994-2012 Free Software Foundation, Inc.

man/pcp1.1

@@ -1,4 +1,4 @@
-.\" Automatically generated by Pod::Man 2.23 (Pod::Simple 3.14)
+.\" Automatically generated by Pod::Man 2.25 (Pod::Simple 3.16)
 .\"
 .\" Standard preamble:
 .\" ========================================================================
@@ -124,7 +124,7 @@
 .\" ========================================================================
 .\"
 .IX Title "PCP1 1"
-.TH PCP1 1 "2013-12-19" "PCP 0.1.5" "USER CONTRIBUTED DOCUMENTATION"
+.TH PCP1 1 "2014-01-16" "PCP 0.1.5" "USER CONTRIBUTED DOCUMENTATION"
 .\" For nroff, turn off justification.  Always turn off hyphenation; it makes
 .\" way too many mistakes in technical documents.
 .if n .ad l

src/Makefile.am

@@ -20,7 +20,7 @@
 #
 
 
-AM_CFLAGS = -I../include/pcp -Wall -g
+AM_CFLAGS = -I../include/pcp -I../libpcp/scrypt/crypto -Wall -g
 
 bin_PROGRAMS = pcp1
 

src/Makefile.in

@@ -1,4 +1,4 @@
-# Makefile.in generated by automake 1.12.4 from Makefile.am.
+# Makefile.in generated by automake 1.12.6 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994-2012 Free Software Foundation, Inc.
@@ -235,7 +235,7 @@ target_alias = @target_alias@
 top_build_prefix = @top_build_prefix@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
-AM_CFLAGS = -I../include/pcp -Wall -g
+AM_CFLAGS = -I../include/pcp -I../libpcp/scrypt/crypto -Wall -g
 pcp1_LDADD = ../libpcp/.libs/libpcp1.a
 pcp1_SOURCES = pcp.c keymgmt.c keyprint.c readpass.c \
                encryption.c z85util.c signature.c \

tests/Makefile.am

@@ -19,7 +19,7 @@
 #    You can contact me by mail: <tlinden AT cpan DOT org>.
 #
 
-AM_CFLAGS = -I../include/pcp -I../src -Wall -g
+AM_CFLAGS = -I../include/pcp -I../src -I../libpcp/scrypt/crypto -Wall -g
 check_PROGRAMS = col invalidkeys pwhashes gencheader statictest cpptest
 
 gencheader_LDADD = ../libpcp/.libs/libpcp1.a
@@ -40,7 +40,7 @@ invalidkeys_SOURCES = invalidkeys.c
 pwhashes_LDADD = ../libpcp/.libs/libpcp1.a
 pwhashes_SOURCES = pwhashes.c
 
-AM_CXXFLAGS = -I../include -I../bindings/cpp -Wall -g
+AM_CXXFLAGS = -I../include -I../bindings/cpp -I../libpcp/scrypt/crypto -Wall -g
 cpptest_LDADD = ../bindings/cpp/.libs/libpcp1++.a ../libpcp/.libs/libpcp1.a
 cpptest_SOURCES = cpptest.cpp
 

tests/Makefile.in

@@ -1,4 +1,4 @@
-# Makefile.in generated by automake 1.12.4 from Makefile.am.
+# Makefile.in generated by automake 1.12.6 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994-2012 Free Software Foundation, Inc.
@@ -261,7 +261,7 @@ target_alias = @target_alias@
 top_build_prefix = @top_build_prefix@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
-AM_CFLAGS = -I../include/pcp -I../src -Wall -g
+AM_CFLAGS = -I../include/pcp -I../src -I../libpcp/scrypt/crypto -Wall -g
 gencheader_LDADD = ../libpcp/.libs/libpcp1.a
 gencheader_SOURCES = gencheader.c
 statictest_LDADD = ../libpcp/.libs/libpcp1.a
@@ -274,7 +274,7 @@ invalidkeys_LDADD = ../libpcp/.libs/libpcp1.a \
 invalidkeys_SOURCES = invalidkeys.c
 pwhashes_LDADD = ../libpcp/.libs/libpcp1.a
 pwhashes_SOURCES = pwhashes.c
-AM_CXXFLAGS = -I../include -I../bindings/cpp -Wall -g
+AM_CXXFLAGS = -I../include -I../bindings/cpp -I../libpcp/scrypt/crypto -Wall -g
 cpptest_LDADD = ../bindings/cpp/.libs/libpcp1++.a ../libpcp/.libs/libpcp1.a
 cpptest_SOURCES = cpptest.cpp
 all: all-am

tests/bart.pub

@@ -3,33 +3,33 @@
         Cipher: CURVE25519-ED25519-SALSA20-POLY1305
          Owner: Bart
           Mail: bart@local
-        Key-ID: 0x8C26BF8A5F2C72E8
+        Key-ID: 0xC8F4F6CD7CA2E952
-    Public-Key: 1gxyGI2IKAa=A*)lJG78tgkw350bPzBaCtxH%G6ZbldYz
+    Public-Key: 0$E&2YLiH[z:PMtYIbvdU-$NKXb1&w(x#NxV2^/OzVx+q
- Creation Time: 2013-11-24T19:39:00
+ Creation Time: 2014-01-16T15:23:18
-      Checksum: FE:EC:88:38:A1:4F:7E:1B:BB:05:95:5E:81:58:DF:24
+      Checksum: 5B:FC:E9:D2:0E:6E:FB:84:8A:99:12:47:FA:03:F2:8A
-                2F:CA:8A:61:EE:6B:F4:13:AE:53:5C:BC:68:AC:AC:E5
+                AE:53:C1:53:C8:72:14:67:94:62:E5:74:4B:A2:D5:8D
- Serial Number: 0xB0E778FA
+ Serial Number: 0xA106090E
    Key Version: 0x00000004
  Random Art ID: +----------------+
                 |                |
-                |                |
+                |         o      |
-                |                |
+                |        =       |
-                |       . .      |
+                |     . = .      |
-                | . .  . + .     |
+                |      * o o     |
-                |. . .. + o      |
+                |       B .      |
-                |.  .o o o       |
+                |      + .       |
-                | ..o.. .        |
+                |     .          |
                 +----------------+
 
-1gxyGI2IKAa=A*)lJG78tgkw350bPzBaCtxH%G6ZbFH2!uP]vMhKFj6gldkUZcd%$g+^M[J
+0$E&2YLiH[z:PMtYIbvdU-$NKXb1&w(x#NxV2^/Oz^1n/BwNkv=*4z7QuGvvK{n*i>D=+in
-hj]eN6g9@eKA(^Bo5dCk(2m^n2SL^O*p?](fdGuF^@zqPuoJ3jHD)Vd^GqNMs*fRHWcT3Pe
+-V8Enhd=ll{+s5Bo4PJ>E0gi*mD%z182VHzP>abuT=DNmVn3}L9Am#uS*46f5%d2S*gU?qk
-0v5=Kbj}!K#W1z3Qqx(m{B8M/Gma<lOS$S#u^wK1lGqctK3sqXNvncbegBTh}cvN9{JYw8&
+nv1C+k-+.#oc4-.K]z!d^xJeflt{Wzd/T()R^Xxi#YrK3^V@gUY>0<3yM&wyy!sq/N=D<K^
-s!E?C9Yosz}yP/$a>U0$Q]IkMbwwfEPN-vrd/sM/HXLSfDlHA<nclmppD8VN{u5dZYs^sOO
+7DrolX!PfT%4DsG48*iU7niLHTq71U=rV1a>Ppa2OhKqNIlgtB={n0TiN>z9/U0VSM/lu5=
-FDfo^.dQ{7}oM5^1l$hJy-.3ToZ+X%[?!!e23Gyj8o^s{tMvJ]/:HeI!ZY-mA}Q^47HuC*9
+Zx)xGG.u>%IdCgpe>zpl]o*{Jy9twHqeeY:]PfQ2[I][p=0(05Q-<QMkxm(^{Da?CFB4fcb
-G4ccB9jJ.q<#z9p3Xc2EjWcUv^Rdv8n66HII>MJyes5iOvQTq0kX$vGvqC}CVj<L?bbiE#W
+W)Qx*u)-8E>6GQTD?[qBXK3(E+Xpno1O6B6qk#ZkZfq:0vQTq0kX$vGvqC]]Rj-vK]h${+q
-SaVJ6q.O3l&%A=jUpi=y*/1=-fQdqE#qi0w%LPdvNDGXpi>3!OnvaP.R<cwUQK@WU%uTXXA
+%JFk{mfDHPv>*6}Kl9:hK-=OC7*(O3+(4x:w%D=mTLVl}CoQOYWi&sJ=/z}PSLM>&u4sO-j
-whBpbL[@>ui86&vy^lU9sE^G$1&-]iQ@Q^T$TB{h}79MD!oL}&9:5wc/]4ZwHW}r0g>/t&v
+X8o-LyX!dlLRG*2+Trjywulk!0jsUgkucG}.u=TfJvv?FR.BG[ef/!Xe16NnXs8BNJV]!HX
-^2Ic+6Cpm-0QxL*QeL[q#CLn!g9{<Ez&@q:AAWpBu1y0fjH5[?/0=<<-78K={i.q9O%HEn-
+9pYT1AxBs[^=e(o7Duaf-@T%}&L3#fPqL8wNT7WU$sb/I}Vc!(kiW/EgOtKk=(}GqAxM{=q
-gp<cL&9Jj%yMiLeXI3=qJ:f7gO5Z?MK@2rj=MSKG)B!UcHL)ny@+/Y}k]G+D/ZLU({^WNTR
+(Irvm[!YdZUd*Dx=[7^(JKl+}=Pn{0Uw5yU]*?MWu{ra.!K:6X3Ks.kB9?Yt*bX<-Y.-A.^
-V{a(u^RJwLlOZL^mMrW>mLWs&gdse50@@r308!$I.#G=q1Hd6l}tZG}
+OnMv>(f4[gi7t.]hBx>>lQrE@iw&L(0@@r308?CmrSAa11FD2a4GDFe
 ------ END PCP PUBLICKEY ------

tests/key-alicia-pub

@@ -3,33 +3,33 @@
         Cipher: CURVE25519-ED25519-SALSA20-POLY1305
          Owner: Alicia
           Mail: alicia@local
-        Key-ID: 0x518602BB8F2D8C7F
+        Key-ID: 0xD65571D97AD62340
-    Public-Key: 1eRhFt(S$Aj[MWvNqYUgL(Mfpe86usIa9bvMwFc/7YTKo
+    Public-Key: 1l04k^wOno{Gb/vuQ@vq^q=3h<mkwPg6au>[0lL#CMmZz
- Creation Time: 2013-11-24T19:38:59
+ Creation Time: 2014-01-16T15:23:17
-      Checksum: 12:FE:CA:AD:09:3E:9F:2D:3D:3A:E8:8C:86:D5:75:58
+      Checksum: 74:02:7B:F0:14:A6:05:D4:01:C2:B1:65:8B:5A:97:97
-                C3:9C:5C:51:96:F7:1E:FA:0F:6D:75:1C:20:87:53:2D
+                CD:B6:8A:8F:32:A4:8C:40:B7:0C:28:C6:87:8D:28:F4
- Serial Number: 0x49B690C5
+ Serial Number: 0x8F3E4F43
    Key Version: 0x00000004
  Random Art ID: +----------------+
-                |        .       |
-                |     . . .      |
-                |      o   o     |
-                |     .   + .   .|
-                |      . =   . +o|
-                |       . .   o +|
-                |              . |
                 |                |
+                |                |
+                |        .       |
+                | .     + .      |
+                |. . . o + .     |
+                |.  . o o +      |
+                |. . . o . .     |
+                | . .            |
                 +----------------+
 
-1eRhFt(S$Aj[MWvNqYUgL(Mfpe86usIa9bvMwFc/7^R<>]u#!:jIb>^+HObot$n)mmc+r:n
+1l04k^wOno{Gb/vuQ@vq^q=3h<mkwPg6au>[0lL#C*QCMc(0^V-{1V339HHb]:?T-F)}&&A
-}14[Zcddn*^b:<v}/uKAjgTDFi}ApL/jtC[47Yg8Rx#$)%tEdZp-Utr0(jI[%%jWp)pt0u+
+n::om#4.IaWG{Uv}/uKG.c8VB$!TzGR$o(cxJ{Wd[.in&DkPZwBPVu>Yt>Q?TU0jq1P&y-K
-ys-SF.j-oM(RKNiE:#[v*Bj+8&JH2rQ3EBCDs*J<U)sgcm[(7&=<3x/T:xEi6!Vz-#=C>:?
+t/R).!(vf5jS6&8Vlf6*p7rKi767MvB=*-:sDy+NxI}(gG2=]pCV%d1$n.lFFa]t7J9PQ{3
-%SZKTmRJYshko/&>x<*o77i[XM3W^-(OEt>6IvJkr]D<&D4cN?z.&Gl//X/D[KsAOUwlMLz
+>nZHNW0l(Srib%(INR!w.l^?}r=cq3DHlTj-FmkGd67@S@!41d^bV1OE}FbEfz/@?r3-@.4
-fCSdcJ@a>wDHDFwj@M!RyQo.OT5jB0C5^&1J[>}d5bBR}lYwK+rlZfP&yme.D}}vxg6SW^U
+=YJ!]6Tf6Vu@bJ{c@zCJje:(y<ZEZb7a@NQ+u]}5Ra?Ju]c&4F2&:wwK+J8nJB9jxeltbaO
-U$(/JeTC(w6t.*v9LxYl>7kQ^W)!sN5pBP+P(eVO)5Wu7vqGT/x<<nyz!0i(06bWS5^dXUT
+GdZ]3(nlOZHdz9(T6(c:qo*#Tptw}.g5vBdWEL^W!2TDGvqGT/x<<nyz!0i(05/!N67=rFb
-(DC.Y]e*d]r^yB>4zpJbh{}Smh5R?}42cWM@YOy+P2$/+Z#d=11b)8u]L[rh]7!DJglxt=-
+2b<&j{YVd=aOHgnOC:.>0a+@pZ{MOW<nj?(nu=<hYeeSCYhp7mC#a@omS.>[-CpCHShNBOA
-E=o)OI1s)g(rbpa8I{AJKG[nkxhVzf(j}!tgtaLm7t]B-<xSdHrqbQzOFJFhW%Y@^q-/})F
+:PxEvD^xauUrzZ9QvB7Fl2OM1h&FzWJ9m&S$7!eNnfJO2>oBH7iua7k@EZ=.RqE3HV9BAc9
-iDJMM}@oSyNeIy=e#MrKPF-:M@TZ2D05hhG]LMB/p{h<E@UpM]]@>3=tBMsTL$Q27$%n+wm
+v+0{hpfRAA8@K]nwPMhI}eVPa(fRtZ@3?ugeUfyRd]^bYQ[?n>HxuuKLJTVrxpuf*ARnTLd
-72<g62jV:ZR&Ry&IxL)P]zK?r%I@:${D<z>F):2ctn)*?IOe64&^>h={:UX7fKdj{myaS[o
+Zj[O(>.7/g*mhTAqV-waQ8OG*?xR7W#/-SU=Zr$E>R:!c%8i2qF0>k>:E{Pb1ekc3ABHu0q
-l>o*<]dLqBf/R6Bgd1q!mLWv>lPmEm0@@r308!$I.VfVp1wc4--q/(r
+xN3y9/NdE5hz)uJf*[2Xk$0Q^gC*==0@@r308?Cmrr9101DL-xlJv8^
 ------ END PCP PUBLICKEY ------

tests/key-alicia-sec

@@ -1,24 +1,24 @@
 ----- BEGIN PCP SECRET KEY -----
   Generated by: Pretty Curved Privacy Version 0.1.5
         Cipher: CURVE25519-ED25519-SALSA20-POLY1305
-        Key-ID: 0x518602BB8F2D8C7F
+        Key-ID: 0xD65571D97AD62340
- Creation Time: 2013-11-24T19:38:59
+ Creation Time: 2014-01-16T15:23:17
- Serial Number: 0x49B690C5
+ Serial Number: 0x8F3E4F43
    Key Version: 0x00000004
 
-1eRhFt(S$Aj[MWvNqYUgL(Mfpe86usIa9bvMwFc/7YWNWenlDKe}(VQ/s$k>o^GU#w}zX3=
+1l04k^wOno{Gb/vuQ@vq^q=3h<mkwPg6au>[0lL#CMuQ#cM6#o=Cetrqd&M@k[wLIgQ)#yy
-rBetin9dCRA[]K]u#!:jIb>^+HObot$n)mmc+r:n}14[Zcddn*YeWrQP[h1^k(qBeTLOaPu
+FdX9Mt2yIHTy3-c(0^V-{1V339HHb]:?T-F)}&&An::om#4.IaPQR]MAb/t+lzt.C!%=x:4
-s-O0DqovBY*z=5R^{3zjI{g[+3[fISYF!ob)X3lR[9AwygvJsm*!A=}gmEY><uSWCseu5dd
+mxD:gyP!x4DGUAM%4iVFMT@n/4W77]e0FJ3hgYClFiapHmY.NuDkO2*G3jIi2mlIj]]%ePl
-l?Ge1gQ+va(z!lDEaEeksX3y0:+V7SIZIkS0k}GDMEh$Y>OUxP@Z?Fsx6fa{br>VG3A]P4X
+9#>r&w-u2Z@vA@C*hWyx16^t6JYORCl>hxTtsE(}ze>:.bxI0ybM]Klcam&uV0QLrJfBPB?
-vT%6^J31QsR+hG*U2V%:ex7j}5wyWf{frah/+j:R}{]h3H@Y$vmv}/uKAjgTDFi}ApL/jtC
+0cQx<ArcEhY=G$Z7j//$N3S.H$0%fA4-7!fgcd8LsD]i}?7Eq>Kv}/uKG.c8VB$!TzGR$o(
-[47Yg8Rx#$)%tEdZp-Utr0(jI[%%jWp)pt0u+ys-SF.j-oM(RKNiE:#[v*Bj+8&JH2rQ3EB
+cxJ{Wd[.in&DkPZwBPVu>Yt>Q?TU0jq1P&y-Kt/R).!(vf5jS6&8Vlf6*p7rKi767MvB=*-
-CDs*J<U)sgcm[(7&=<3x/T:xEi6!Vz-#=C>:?%SZKTmRJYshko/&>x<*o77i[XM3W^-(OEt
+:sDy+NxI}(gG2=]pCV%d1$n.lFFa]t7J9PQ{3>nZHNW0l(Srib%(INR!w.l^?}r=cq3DHlT
->6IvJkr]D<&D4cN?z.&Gl//X/D[KsAOUwlMLzfCSdcJ@a>wDHDFwj@M!RyQo.OT5jB0C5^&
+j-FmkGd67@S@!41d^bV1OE}FbEfz/@?r3-@.4=YJ!]6Tf6Vu@bJ{c@zCJje:(y<ZEZb7a@N
-1J[>}d5bBR}lYwK+rlZfP&yme.D}}vxg6SW^UU$(/JeTC(w6t.*v9LxYl>7kQ^W)!sN5pBP
+Q+u]}5Ra?Ju]c&4F2&:wwK+J8nJB9jxeltbaOGdZ]3(nlOZHdz9(T6(c:qo*#Tptw}.g5vB
-+P(eVO)5Wu7vqGT/x<<nyz!0i(06bWS5^dXUT(DC.Y]e*d]r^yB>4zpJbh{}Smh5R?}42cW
+dWEL^W!2TDGvqGT/x<<nyz!0i(05/!N67=rFb2b<&j{YVd=aOHgnOC:.>0a+@pZ{MOW<nj?
-M@YOy+P2$/+Z#d=11b)8u]L[rh]7!DJglxt=-E=o)OI1s)g(rbpa8I{AJKG[nkxhVzf(j}!
+(nu=<hYeeSCYhp7mC#a@omS.>[-CpCHShNBOA:PxEvD^xauUrzZ9QvB7Fl2OM1h&FzWJ9m&
-tgtaLm7t]B-<xSdHrqbQzOFJFhW%Y@^q-/})FiDJMM}@oSyNeIy=e#MrKPF-:M@TZ2D05hh
+S$7!eNnfJO2>oBH7iua7k@EZ=.RqE3HV9BAc9v+0{hpfRAA8@K]nwPMhI}eVPa(fRtZ@3?u
-G]LMB/p{h<E@UpM]]@>3=tBMsTL$Q27$%n+wm72<g62jV:ZR&Ry&IxL)P]zK?r%I@:${D<z
+geUfyRd]^bYQ[?n>HxuuKLJTVrxpuf*ARnTLdZj[O(>.7/g*mhTAqV-waQ8OG*?xR7W#/-S
->F):2ctn)*?IOe64&^>h={:UX7fKdj{myaS[ol>o*<]dLqBf/R6Bgd1q!mLWv>lPmEm0rr9
+U=Zr$E>R:!c%8i2qF0>k>:E{Pb1ekc3ABHu0qxN3y9/NdE5hz)uJf*[2Xk$0Q^gC*==0rr9
-108!$I.VfVp1wc4--q/(r
+108?Cmrr9101DL-xlJv8^
 ------ END PCP SECRET KEY ------

tests/key-bobby-pub

@@ -3,33 +3,33 @@
         Cipher: CURVE25519-ED25519-SALSA20-POLY1305
          Owner: Bobby
           Mail: bobby@local
-        Key-ID: 0x8F8C31402D541153
+        Key-ID: 0x7B8D298F82FE30FB
-    Public-Key: 18r!O41ZcJmA%Nft]C@63ItZ2s+14NZuf}DY+*wXf8$$L
+    Public-Key: 1kwx=)3f<[z$G%dAyqGMDHiU1fk1E?ff{Beb>:DK0@@r3
- Creation Time: 2013-11-24T19:38:59
+ Creation Time: 2014-01-16T15:23:17
-      Checksum: CE:2C:FF:3F:D0:D3:C3:46:7D:3A:32:10:9E:92:22:3F
+      Checksum: 55:8C:D5:F8:E2:AD:BE:10:AA:AC:AD:21:DA:7D:57:37
-                2B:D3:EE:FB:66:53:01:E8:07:9A:83:12:2D:D7:D0:7D
+                49:82:60:BC:8E:9F:D5:E0:89:4E:E7:75:D7:9A:9F:A8
- Serial Number: 0x53010B68
+ Serial Number: 0x3B7D8E3F
    Key Version: 0x00000004
  Random Art ID: +----------------+
+                |       .+       |
+                |       . o      |
+                |        . o     |
+                |     . o =      |
+                |      o * .     |
+                |     . . o .    |
+                |      . . .     |
                 |                |
-                |                |
-                |    .           |
-                |   .            |
-                |.   .   .       |
-                |+  . o .        |
-                |o+o . +         |
-                | ==. .          |
                 +----------------+
 
-18r!O41ZcJmA%Nft]C@63ItZ2s+14NZuf}DY+*wXfrMI6SgVY^IjrNb3P[$qAOIRFH<B<8=
+1kwx=)3f<[z$G%dAyqGMDHiU1fk1E?ff{Beb>:DK15!qzj6cEirtl35VdQ}BQhLydYBFCg*
-l<.=Q=>?c]*iOavTd%r/nn>4bO*92Ze8fnC(FSptK+Eu%4(or7sRgc7GvB[li3mawTB19uM
+#GBSMN^epAyaOMvTd%73M89n2/5.rZOH7OF@!B{[Jb@BvX9w*a<MkU-TQO>XO/{9s?exp-9
-%abae])GA#q@z}Zv^Ft[-SEJk9#79PZ4:g{G#6Z$}@iFL6%meRnU?{=<r142me^V++FD+nG
+OzK-yHrV<xc@&<i{{35Qnvr8>dU?%8AT#AQ^rrh*C95bQ[AVPDXrRKO=lpG(SdPX4:a{h5o
-p73vy5k?aV5naU5[gPq/m5:SL@FslmO:bAkwJeLuwP9[:Fitmv:i&dmj]N88kdJ4ubcSg1g
+*t:0(Gnp4^NPQd6QJL*lV1JESB]mgmgjUi:gUSAndW+#$<8LRXs@n%fl1nXS7:<9lA[CG@S
-bg%bE3N!ajVMV^21?A{MRVTP@k+bIs&v:u2qG[^/{cD>US>6xM[xO4Tz.8KO&^h?h:M.=xc
+gBsXD%RxN*D(Dr$rfC04o[.X+I2SIUYl%%Tt2]JE0ZL]?@-#H/*<1}ryDnAy$JOg*f)W@NG
-@70}#QM{lw[o?.[LCwyXmgQPNH@fZzm9Gz4b?%8*fQSNKvSbZ+C%Dg:v{%fNqBbn7tc.Ygi
+DmA}6k-4cY}iV.V@P2.>=z=!c@Yx1Y9Ua75=N/U$SCJrYvSbZ+C%Dg:v{%fN4P)[jlU-gmX
-.:ushR:wNi:YYbij8Zti0Fr]/J=!/NHcQKm8@*m6#J4#-of+%Il@Doo2W1(+s$}uyqmd@?z
+{OJIYv^N*?%t%}/[3PE.FX*H(VIo?}PJcq+QieKd38Gs0L90V3?TsI*Wu!-OQTI6D!t%^/z
-*@*QBgKy3%YW!zHGIZT<Nolii!N(QKxsb!Z%BiTcnIPduViC=m&k$R(r7N([(#**!IWCBVS
+Zv8hJb.:E9F0/waiAxn{hxN=?k)Ou:$<()SO<0O=*!S^[3tZF7l=s(JrG0Xr@?f]vPHci&s
-O6:L$$@q<f^&}oXSO(ZrOI6[70NA(dK}iff{JgA&zObTyKE>}}1XY6f({Aqmt0bUb0[8>9j
+YGbjDjhoA[4yT/8NtGhdbw]Nvv1<J(69h[5L[!9!O6I>G66F-n/5=Rom.{Ks00<+F:U!q&4
-v42PeNv76*v]V<evqwQ-{5<:D$D+yC^)c/4#6zr]Y}Q7Am&*n8?D%FJ8=oxSmXDl2-/*nU7
+RFG*{^Hc}Luey1Cm4uI[UO9&%0NkoMzQ4%71!!>CMCzF}l=JeKCt]aL=tFsqLC2?+1K8le8
-RsGrS}W/ePmMr:>f/gNtl]u!Qf/p-!0@@r308!$I.VfVp1xbsexAe2j
+F/MEHJxk6rlo4v*ixfF/gdBX*fH!we0@@r308?Cmrr9101uR3(kl7V-
 ------ END PCP PUBLICKEY ------

tests/key-bobby-sec

@@ -1,24 +1,24 @@
 ----- BEGIN PCP SECRET KEY -----
   Generated by: Pretty Curved Privacy Version 0.1.5
         Cipher: CURVE25519-ED25519-SALSA20-POLY1305
-        Key-ID: 0x8F8C31402D541153
+        Key-ID: 0x7B8D298F82FE30FB
- Creation Time: 2013-11-24T19:38:59
+ Creation Time: 2014-01-16T15:23:17
- Serial Number: 0x53010B68
+ Serial Number: 0x3B7D8E3F
    Key Version: 0x00000004
 
-18r!O41ZcJmA%Nft]C@63ItZ2s+14NZuf}DY+*wXf97h#Sy$NsTEg$:(a)2^3VrK/=:@2Vh
+1kwx=)3f<[z$G%dAyqGMDHiU1fk1E?ff{Beb>:DK0%0RsA}*LOS&hj!ynJ^EAY<xad!haKo
-ticy+]-7)jGY)jSgVY^IjrNb3P[$qAOIRFH<B<8=l<.=Q=>?c]-e*@ZTW$!SSJ>(I@^&=3L
+%$Eca%S{rvP8wJj6cEirtl35VdQ}BQhLydYBFCg*#GBSMN^epAr9{wwvYK0DpU.5D6qH[(L
-afZ@8X]6RsA8WOr@L5&6Pyvz1!ofy{JqfM+RPtlHO><!P-:B&Id5!(x{Vsfug2]dLn=E?q4
+ZQ-/e>yY=DvfJIg<b3w*Xw$*)&j3+3Y?KFXrk+u?Dwe!8c8R)a}<#BGMP%JXC=Co9n1?=h=
--h[SutvBH/FU)pp$eNs]X{mnCp?p/!KuQK*#ZC=PT%b=U=%?%>4(3rqj6/C.Bz5i&[<TI@<
+0TgVTk8fz5(b25jFQPIF/F%mYpe@%e#U7JFmq6?MS!Kqh?+y8nyYnlv/PZp5NF]KiQueJn?
-OvgJG^W?PaX=ud6Mw5]lgLpk!r(vm}guzgL{z6WV&ia9/Q[<mn7vTd%r/nn>4bO*92Ze8fn
+.[STEe)1kJhbqY-=FlSV>g<Sc6BE%dl}Lwc(SuadkpClna{D&!cvTd%73M89n2/5.rZOH7O
-C(FSptK+Eu%4(or7sRgc7GvB[li3mawTB19uM%abae])GA#q@z}Zv^Ft[-SEJk9#79PZ4:g
+F@!B{[Jb@BvX9w*a<MkU-TQO>XO/{9s?exp-9OzK-yHrV<xc@&<i{{35Qnvr8>dU?%8AT#A
-{G#6Z$}@iFL6%meRnU?{=<r142me^V++FD+nGp73vy5k?aV5naU5[gPq/m5:SL@FslmO:bA
+Q^rrh*C95bQ[AVPDXrRKO=lpG(SdPX4:a{h5o*t:0(Gnp4^NPQd6QJL*lV1JESB]mgmgjUi
-kwJeLuwP9[:Fitmv:i&dmj]N88kdJ4ubcSg1gbg%bE3N!ajVMV^21?A{MRVTP@k+bIs&v:u
+:gUSAndW+#$<8LRXs@n%fl1nXS7:<9lA[CG@SgBsXD%RxN*D(Dr$rfC04o[.X+I2SIUYl%%
-2qG[^/{cD>US>6xM[xO4Tz.8KO&^h?h:M.=xc@70}#QM{lw[o?.[LCwyXmgQPNH@fZzm9Gz
+Tt2]JE0ZL]?@-#H/*<1}ryDnAy$JOg*f)W@NGDmA}6k-4cY}iV.V@P2.>=z=!c@Yx1Y9Ua7
-4b?%8*fQSNKvSbZ+C%Dg:v{%fNqBbn7tc.Ygi.:ushR:wNi:YYbij8Zti0Fr]/J=!/NHcQK
+5=N/U$SCJrYvSbZ+C%Dg:v{%fN4P)[jlU-gmX{OJIYv^N*?%t%}/[3PE.FX*H(VIo?}PJcq
-m8@*m6#J4#-of+%Il@Doo2W1(+s$}uyqmd@?z*@*QBgKy3%YW!zHGIZT<Nolii!N(QKxsb!
++QieKd38Gs0L90V3?TsI*Wu!-OQTI6D!t%^/zZv8hJb.:E9F0/waiAxn{hxN=?k)Ou:$<()
-Z%BiTcnIPduViC=m&k$R(r7N([(#**!IWCBVSO6:L$$@q<f^&}oXSO(ZrOI6[70NA(dK}if
+SO<0O=*!S^[3tZF7l=s(JrG0Xr@?f]vPHci&sYGbjDjhoA[4yT/8NtGhdbw]Nvv1<J(69h[
-f{JgA&zObTyKE>}}1XY6f({Aqmt0bUb0[8>9jv42PeNv76*v]V<evqwQ-{5<:D$D+yC^)c/
+5L[!9!O6I>G66F-n/5=Rom.{Ks00<+F:U!q&4RFG*{^Hc}Luey1Cm4uI[UO9&%0NkoMzQ4%
-4#6zr]Y}Q7Am&*n8?D%FJ8=oxSmXDl2-/*nU7RsGrS}W/ePmMr:>f/gNtl]u!Qf/p-!0SSi
+71!!>CMCzF}l=JeKCt]aL=tFsqLC2?+1K8le8F/MEHJxk6rlo4v*ixfF/gdBX*fH!we0SSi
-208!$I.VfVp1xbsexAe2j
+208?Cmrr9101uR3(kl7V-
 ------ END PCP SECRET KEY ------

tests/keys.cfg

@@ -1,6 +1,6 @@
-bartid = 0x8C26BF8A5F2C72E8
+bartid = 0xC8F4F6CD7CA2E952
-bartserial = 0xB0E778FA
+bartserial = 0xA106090E
-idbobby  = 0x8F8C31402D541153
+idbobby  = 0x7B8D298F82FE30FB
-idalicia = 0x518602BB8F2D8C7F
+idalicia = 0xD65571D97AD62340
 mailbobby = bobby@local
 mailalicia = alicia@local

tests/pwhashes.c

@@ -23,13 +23,14 @@ int main() {
   pw *item;
   pw *list = NULL;
   pw *have = NULL;
+  unsigned char nonce[32] = {1};
 
   sodium_init();
 
   for(i=97; i<126; ++i) {
     pass[0] = i;
     pass[1] = 0;
-    h = pcp_derivekey(pass);
+    h = pcp_derivekey(pass, nonce);
 
     p =0;
     for(t=0; t<32; ++t) {

tests/static.h

@@ -1,33 +1,33 @@
 size_t secret_a_len = 32;
 unsigned char secret_a[32] = {
-0xe0, 0x75, 0x2c, 0xb7, 0xeb, 0x7d, 0x73, 0x7a, 
+0x90, 0x14, 0xe7, 0xb5, 0x90, 0x04, 0x4f, 0xc0, 
-0x5b, 0x1c, 0x45, 0xf8, 0x9e, 0x8c, 0xc5, 0xfe, 
+0xc6, 0xdf, 0x87, 0xe6, 0xbd, 0x87, 0xc8, 0x56, 
-0xb7, 0x30, 0x9e, 0xac, 0x03, 0x7c, 0x57, 0x0f, 
+0x64, 0x07, 0xfb, 0xb3, 0x3a, 0x25, 0x7c, 0xb9, 
-0x0b, 0x76, 0x49, 0x2d, 0xa1, 0x33, 0x43, 0x53
+0x3f, 0xbc, 0x04, 0xd1, 0xd2, 0x2a, 0x56, 0x4e
 };
 
 size_t public_a_len = 32;
 unsigned char public_a[32] = {
-0x2f, 0xb4, 0xaa, 0x49, 0x06, 0xf1, 0x8f, 0xa1, 
+0x55, 0xfd, 0x89, 0xe6, 0xbd, 0x57, 0x49, 0x4b, 
-0x22, 0xa0, 0x44, 0xf3, 0xd1, 0x3d, 0x0b, 0xca, 
+0x24, 0xaf, 0x07, 0x07, 0x81, 0xd7, 0x82, 0x8b, 
-0xe3, 0x5f, 0x7c, 0x3b, 0x23, 0x05, 0xf0, 0xb2, 
+0x33, 0x80, 0x60, 0x08, 0xf9, 0x56, 0xe2, 0x04, 
-0x51, 0x11, 0xe8, 0x7f, 0x32, 0xc8, 0xec, 0x17
+0xe3, 0x1c, 0xf7, 0x5b, 0x1e, 0x1c, 0x74, 0x3d
 };
 
 size_t secret_b_len = 32;
 unsigned char secret_b[32] = {
-0xc0, 0xb6, 0xfb, 0xa5, 0x3b, 0xd2, 0x10, 0x76, 
+0x30, 0x4c, 0xaf, 0xb4, 0x6f, 0x09, 0x17, 0xa7, 
-0x40, 0xf4, 0xbf, 0xda, 0x99, 0xdc, 0x6b, 0xf0, 
+0x9a, 0x2d, 0xe3, 0xa8, 0x56, 0xff, 0x13, 0xac, 
-0xf5, 0xbd, 0xcc, 0x2e, 0xaa, 0x85, 0x6a, 0x62, 
+0xbc, 0xc7, 0xa2, 0x56, 0x5d, 0xfd, 0x39, 0x88, 
-0x64, 0xf4, 0xa0, 0xc8, 0xad, 0x82, 0x43, 0x56
+0x1b, 0xe0, 0xaa, 0x85, 0xfe, 0x15, 0xba, 0x40
 };
 
 size_t public_b_len = 32;
 unsigned char public_b[32] = {
-0x47, 0xaa, 0x98, 0xad, 0xcd, 0x76, 0x6d, 0x8d, 
+0xcb, 0x8b, 0x3e, 0x3f, 0xca, 0xff, 0x0d, 0xdd, 
-0x7a, 0x1a, 0x4f, 0x5e, 0x24, 0xac, 0x98, 0xb9, 
+0x6c, 0xe3, 0xc9, 0x28, 0x2c, 0xe8, 0x06, 0x94, 
-0x07, 0x3d, 0x48, 0xeb, 0x29, 0x41, 0x4c, 0x82, 
+0xc5, 0x63, 0x63, 0xa0, 0x66, 0x85, 0x28, 0x72, 
-0x06, 0x92, 0x58, 0xa4, 0x7d, 0xd8, 0x53, 0x7d
+0x5a, 0x5b, 0xff, 0x5f, 0x06, 0xa1, 0xa4, 0x69
 };
 
 size_t message_len = 12;
@@ -38,16 +38,16 @@ unsigned char message[12] = {
 
 size_t nonce_len = 24;
 unsigned char nonce[24] = {
-0x24, 0x64, 0x0e, 0xd3, 0x8a, 0xbf, 0x98, 0x52, 
+0xa9, 0x22, 0x83, 0x39, 0x47, 0x80, 0x30, 0x04, 
-0x1e, 0xd9, 0xa4, 0xdd, 0x93, 0x27, 0x11, 0xee, 
+0x37, 0x38, 0xd0, 0x34, 0x97, 0x6c, 0x52, 0x8e, 
-0x63, 0x7e, 0x49, 0x2e, 0x97, 0x3b, 0x78, 0xee
+0x6a, 0xe3, 0xcd, 0x4c, 0x8d, 0xdd, 0x74, 0x5a
 };
 
 size_t cipher_len = 28;
 unsigned char cipher[28] = {
-0x5f, 0x55, 0xeb, 0x71, 0x24, 0x84, 0x81, 0xdd, 
+0x2a, 0x93, 0x39, 0x8d, 0x84, 0x69, 0x99, 0x5d, 
-0x17, 0x74, 0x89, 0xe2, 0x15, 0xbe, 0x3d, 0xc7, 
+0x61, 0x9c, 0x19, 0x80, 0x2f, 0x18, 0x16, 0x38, 
-0xd8, 0xce, 0x68, 0xc6, 0x6c, 0x2b, 0x45, 0xc7, 
+0x5c, 0x1d, 0x08, 0x5e, 0xcc, 0xed, 0xed, 0x48, 
-0x61, 0x43, 0xe7, 0x6d
+0xe8, 0x0d, 0x47, 0x92
 };
 

tests/unknown1

@@ -1,11 +1,11 @@
-1m<jZ+yjZ<y7gQ8a-W9rjAzcQ}{c4(@9#ojRD=2+yP7ItztJ%DY9G@(QX^AJd4*xQkbq[}w
+0#B%]Dwej74e/:?9?y.aITSgR{crR@K+V$MjQlZ966qVbxJ8Iq6t9[)!LtTh+=iGlR$sQ=Z
-F{60Nx)SElqzlazddr)0gJtlcE>LG&iym32X&^m7LJG900W!1Oo8u]r::]?<!.@<uwxGw(/
+V)5}WAU!I+Uz>-zddr)0i.<!3HpEIvt9mNUT?dI(<H1RnUCQ&cAE=r(z3I6!KACU=pKmGT8
-%F)L=0c$J0h58T7&Dq=)H{bp0b!UNx}{XA:*3@4A[Ydpc=Jdx>SeByX8[qq<(O-!xv(-/rA
+4})FO7^FOnvE=D%4cSfRQlO@)]JUn#sMKF*t3w0hk0P^2iZc=8+poK^woRlu#P#C=T:sjT8
-@sAmlyfv%HzNBy/lEDhKPG&>QK%hKS2:%3FuE+&QWD}$}Pm-/zYILHtH-@g^.dsVZF%B[LI
+rKmSx6SBHzL3a]eC$ec&J3Pr){EZI!Tjc$z@CrPpph+ZeI0n?xKH2e2ZOschWU!FiN}VQg-
-4UZ&G(q5giPD@l&NqrJ)e1(Hdj-Fz0#kxifA!jr1.z%[dP<^QobH5uN4dbNHZxk3b(gG/b)
+RfeA&V*NZmYNC7q(0yl)vI&NYdMyi@20?E{i(FCmO^:sQqJJ)e2GiY/!0G5u.a/ct#dCa2%
-{)T$E-YL)Z&!]tS5GL>91tkxZ<]}h5{6uoT5^OZc^##iYzFrW0vqYQvy&r/(yYKm0P?=H3f
+?ZNTaM1f>k7kjJ$d)?6#]Xt<g[BXJxw{p$z0JB)<M!tSmzFrW0vqYQvy&r/(yYC}?6Ng#3[
-xSQ)D#vQSz%hGprHEdo!3EMZ5}i(@Pg6p!w%T(>9R[*PR%kt}^d[+.EB[1PmMsyDHK7^sNF
+{6!c{4A1>S?0Jg5kMaRF+3lq!^9Ta&N=m9WBqzPbMS?V0(38RI&lUz3>u=Ex97bV1>GG?:]
-#:JH?il.++eNF4?}zoH%=)1wIgSQv&2$?b>@8JgV3RzR[bvEi>Fxf%c>6-gFYf=H!bMoeoQ
+}!Wbl7/[QLx>d}1abB&&<Q<.*>28d>en{+a9]MVP5&$R)a[q]H1V[aamjBARL>^13Q1[*sT
-f#=mgC%*=nCs>y])AbHM9{1AY&vOVRK9XxL!})KeiiO!g0Aho}2uW6uq18])6}q%R^&^={1
+3bj+$9qrZc5cp0v}XUdX1TNw*M$^N%(+=4mG7OSBdo>[jq$-VH24T20B-k1ASX]0jm{@U}p
-&<TF1qdA?LImyNLcoTVn8p>LXqD>YEdDJi2{=(0v(F4n<ZZpv6Id@slrRDKgX}6D5GMoW=[
+-BI^@GeGfA.-HM9MR4ruqFJsMZEL7bb9&:gSmzqX*L4WF-rq=Iad-2%lN1iG3ZRmi>Z?+/2
-*T2N.A1k&7k$0N@ixoI/f*XeWhAsha0@@r308!$I.#G=q1uZQ?pYHE}
+}euk/J3OA.lp0vXl]WK[g=mlLi5Aq?0@@r308?CmrSAa11w$96fAq7M

tests/unknown2

@@ -1,15 +1,15 @@
-1m<jZ+yjZ<y7gQ8a-W9rjAzcQ}{c4(@9#ojRD=2+yxb/MqJ60fXWL(A^*)H6wC?aaT(VQw%
+0#B%]Dwej74e/:?9?y.aITSgR{crR@K+V$MjQlZ95=?<i*oFB8f9yBYg-?8mKwjQXxBo)CF
-fLPSV}[bN&hx]ZztJ%DY9G@(QX^AJd4*xQkbq[}wF{60Nx)SEli4/aNs}jp@L{Ss27=+VW[
+iV0]r<^JNSPDV[xJ8Iq6t9[)!LtTh+=iGlR$sQ=ZV)5}WAU!I+M6SKV?c:3JEK.G/JUkr9z
-2V8EIbhZ!niKyRY4-FB#6C]mU%K-{^4AgO}dp#2tT#&M1N+rJ1VGkqsGK))s*zw=cfEh5v=
+tpfp6[rQo##w^BMRG.i%s{z.!8aU]^h&n!$pBg6O71S>FMZ@3N)}@q>9*ti}7y<iyZR)CL4
-@{lkjg@YZE[W[r4:xE?%Q]ZwT0d13NXu+S.V8kXkxwOc0(cuQ>U!f1Alj(l+v(WQt45)e^^
+BO?IlYCy:k!k:rV.*7Z<WVxGyTvoD92W8<!3fo+>O=(48NJgpb^7t>]C/O9l9K7+lS%&5j1
-aoeF!k>y}}wrB^Xp6Z2YLO[p#@@tj38RyuKHmN?l}Ro/p0&.Bi0zddr)0gJtlcE>LG&iym3
+7EG+Z*vWp*Do[aBBeI$J6H%TH(EfMJ#bxiKf-rZE1qlEpQ98piVzddr)0i.<!3HpEIvt9mN
-2X&^m7LJG900W!1Oo8u]r::]?<!.@<uwxGw(/%F)L=0c$J0h58T7&Dq=)H{bp0b!UNx}{XA
+UT?dI(<H1RnUCQ&cAE=r(z3I6!KACU=pKmGT84})FO7^FOnvE=D%4cSfRQlO@)]JUn#sMKF
-:*3@4A[Ydpc=Jdx>SeByX8[qq<(O-!xv(-/rA@sAmlyfv%HzNBy/lEDhKPG&>QK%hKS2:%3
+*t3w0hk0P^2iZc=8+poK^woRlu#P#C=T:sjT8rKmSx6SBHzL3a]eC$ec&J3Pr){EZI!Tjc$
-FuE+&QWD}$}Pm-/zYILHtH-@g^.dsVZF%B[LI4UZ&G(q5giPD@l&NqrJ)e1(Hdj-Fz0#kxi
+z@CrPpph+ZeI0n?xKH2e2ZOschWU!FiN}VQg-RfeA&V*NZmYNC7q(0yl)vI&NYdMyi@20?E
-fA!jr1.z%[dP<^QobH5uN4dbNHZxk3b(gG/b){)T$E-YL)Z&!]tS5GL>91tkxZ<]}h5{6uo
+{i(FCmO^:sQqJJ)e2GiY/!0G5u.a/ct#dCa2%?ZNTaM1f>k7kjJ$d)?6#]Xt<g[BXJxw{p$
-T5^OZc^##iYzFrW0vqYQvy&r/(yYKm0P?=H3fxSQ)D#vQSz%hGprHEdo!3EMZ5}i(@Pg6p!
+z0JB)<M!tSmzFrW0vqYQvy&r/(yYC}?6Ng#3[{6!c{4A1>S?0Jg5kMaRF+3lq!^9Ta&N=m9
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tests/unknown4

@@ -1,2 +1,2 @@
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tests/unknown5

@@ -1,2 +1,2 @@
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