started with py crypto, enhanced raw.py generation, better autoconf integration

2025-12-16 19:40:57 +01:00 · 2014-12-22 16:22:52 +01:00
parent 28a0405d55
commit 45c5daae54
11 changed files with 496 additions and 150 deletions
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,7 +1,7 @@
 #
 #    This file is part of Pretty Curved Privacy (pcp1).
 #
-#    Copyright (C) 2013 T.Linden.
+#    Copyright (C) 2013-2015 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
@@ -19,7 +19,15 @@
 #    You can contact me by mail: <tlinden AT cpan DOT org>.
 #

-SUBDIRS = include libpcp src man tests bindings/cpp
+if BUILDPY
+  MAYPY=bindings/py
+endif
+
+if BUILDCPP
+  MAYCPP=bindings/cpp
+endif
+
+SUBDIRS = include libpcp src man tests $(MAYCPP) $(MAYPY)
 ACLOCAL_AMFLAGS = -I config

 test:
--- a/autogen.sh
+++ b/autogen.sh
@@ -63,7 +63,7 @@ Pretty Curved Privacy - File encryption using eliptic curve cryptography.
    bindings/py/gencffi.pl include/pcp/defines.h include/pcp/structs.h include/pcp/key.h \
 	                   include/pcp/buffer.h include/pcp/context.h include/pcp/mac.h \
 	                   include/pcp/ed.h include/pcp/crypto.h include/pcp/vault.h \
-	                   include/pcp/mgmt.h \
+	                   include/pcp/mgmt.h include/pcp/keyhash.h include/pcp/scrypt.h \
 	                   include/pcp/pcpstream.h include/pcp/z85.h > bindings/py/pypcp/raw.py

    exit
@@ -103,6 +103,7 @@ find . -name .deps       -exec rm -rf {} \;  > /dev/null 2>&1
 find . -name .libs       -exec rm -rf {} \;  > /dev/null 2>&1
 find . -name .o          -exec rm -rf {} \;  > /dev/null 2>&1
 find . -name .lo         -exec rm -rf {} \;  > /dev/null 2>&1
+find . -name .pyc        -exec rm -rf {} \;  > /dev/null 2>&1

 rm -rf aclocal.m4 libtool configure config.* config autom4te.cache tests/test* tests/v* tests/stresstest/* libpcp/libpcp1.pc
 rm clean.sh
@@ -114,4 +115,4 @@ chmod 700 clean.sh
 rm -rf README include/pcp/config.h.in~ libpcp/stamp-h1 autom4te.cache

 sleep 1
-touch Makefile.in configure */Makefile.in
+touch Makefile.in configure */Makefile.in
--- a/bindings/py/gencffi.pl
+++ b/bindings/py/gencffi.pl
@@ -26,6 +26,7 @@ my %sobytes = (
 	      );

 my @code;
+my %defs;

 foreach my $head (@ARGV) {
  open HEAD, "<$head" or die "Could not open $head: $!\n";
@@ -62,6 +63,16 @@ foreach my $head (@ARGV) {
    push @code, $c;
  }

+  # a definition
+  while ($raw =~ /^\s*#define ((EXP|PCP|PBP).*)$/gm) {
+    my ($name, $def) = split /\s\s*/, $1, 2;
+    $def =~ s/\/\*.*//;
+    if (!exists $defs{$name} && $def !~ /(sizeof| \+ )/) {
+      print STDERR "name: $name\ndef: $def\n\n";
+      $defs{$name} = "\n# $0: from $head:$.\n$name = $def\n";
+    }
+  }
+
  close $head;
 }

@@ -71,3 +82,5 @@ print "PCP_RAW_CODE = '''\n";
 print join "\n", @code;
 print "'''\n";

+
+print join "\n", values %defs;
--- a/bindings/py/pypcp/init.py
+++ b/bindings/py/pypcp/init.py
@@ -1,90 +1,16 @@
 from cffi import FFI
+
+# loads generated structs and typedefs and imports them into cffi
 from pypcp.dll import *
+
+# load oop wrapper classes
+from pypcp.publickey import *
+from pypcp.key import *
+from pypcp.stream import *
 from pprint import pprint

-__all__ = ('raw Key PublicKey'.split() )
+__all__ = ('raw Context Key PublicKey Stream Buffer'.split() )

-# https://gist.github.com/inactivist/4ef7058c2132fa16759d

-class Context(object):
-    def __init__(self):
-        self._ctx = libpcp.ptx_new()

-    def __del__(self):
-        libpcp.ptx_clean(self._ctx)

-    def throw(self, E=None, msg=None):
-        # forward libpcp generated exceptions
-        pcpmsg = ffi.string(self._ctx.pcp_err)
-        if msg:
-            pcpmsg = "%s: %s" % (msg, pcpmsg)
-        if E:
-            raise E(pcpmsg)
-        else:
-            raise RuntimeError(pcpmsg)
-
-class PublicKey(object):
-    def __init__(self, pk=None, encoded=None):
-        self._pk = None
-
-        if pk:
-            self._pk = pk
-        elif encoded:
-            self.importkey(Context(), encoded)
-        else:
-            self._pk = ffi.new("struct _pcp_pubkey_t*")
-
-        for key, value in convert_to_python(self._pk).iteritems():
-            self.__setattr__(key, value)
-
-    def importkey(self, context, encoded=None):
-        ks = libpcp.pcp_import_pub(context._ctx, encoded, len(encoded))
-        if not ks:
-            context.throw(IOError, "failed to import key")
-        self._pk = ks.p
-
-    def dump(self):
-        if self._pk:
-            libpcp.pcp_dumppubkey(self._pk)
-
-    def __dict__(self):
-        return convert_to_python(self._pk)
-
-class Key(object):
-    def __init__(self, owner=None, mail=None, sk=None, encoded=None, passphrase=None):
-        self._sk = None
-
-        if owner or mail:
-            # generate new one
-            if not owner:
-                owner=''
-            if not mail:
-                mail=''
-            self.generate(owner, mail)
-        elif sk:
-            # use the raw sk
-            self._sk = sk
-        elif encoded:
-            # import an encoded key
-            self.importkey(Context(), encoded, passphrase)
-        else:
-            self._sk = ffi.new("struct pcp_key_t*")
-
-        for key, value in convert_to_python(self._sk).iteritems():
-            self.__setattr__(key, value)
-
-    def importkey(self, context, encoded=None, passphrase=None):
-        sk = libpcp.pcp_import_secret(context._ctx, encoded, len(encoded), passphrase)
-        if not sk:
-            context.throw(IOError, "failed to import key")
-        self._sk = sk
-
-    def generate(self, owner=None, mail=None):
-        self._sk = libpcp.pcpkey_new()
-        if owner:
-            libpcp.pcpkey_setowner(self._sk, owner, mail)
-
-    def dump(self):
-        if self._sk:
-            libpcp.pcp_dumpkey(self._sk)
-            
--- a/bindings/py/pypcp/context.py
+++ b/bindings/py/pypcp/context.py
@@ -0,0 +1,69 @@
+from pypcp.dll import *
+from pypcp.stream import *
+
+class Context(object):
+    def __init__(self):
+        self._ctx = libpcp.ptx_new()
+        self._sk = None
+
+    def __del__(self):
+        libpcp.ptx_clean(self._ctx)
+
+    def throw(self, E=None, msg=None):
+        # forward libpcp generated exceptions
+        pcpmsg = ffi.string(self._ctx.pcp_err)
+        if msg:
+            pcpmsg = "%s: %s" % (msg, pcpmsg)
+        if E:
+            raise E(pcpmsg)
+        else:
+            raise RuntimeError(pcpmsg)
+
+    def addkey(self, Key):
+        self._sk = Key._sk
+
+    def pubkeycount(self):
+        return libpcp.pcphash_countpub(self._ctx)
+
+    def recipients(self, *recipients):
+        for key in recipients:
+            libpcp.pcphash_add(self._ctx, key._pk, key._pk.type)
+
+    def encrypt(self, string=None, file=None, sign=False, passphrase=None):
+        anon = 0
+        instream = None
+        outstream = None
+        
+        if string:
+            instream = Stream(string=string)
+        else:
+            instream = Stream(file)
+
+        outstream = Stream()
+            
+        if self.pubkeycount() > 0:
+            if not self._sk:
+                anon = 1
+                
+            dosign = 0
+            if sign:
+                dosign = 1
+
+            size = libpcp.pcp_encrypt_stream(self._ctx, instream._stream, outstream._stream,
+                                             self._sk, self._ctx.pcppubkey_hash, dosign, anon)
+
+            if size <= 0:
+                self.throw(IOError, "failed to encrypt")
+
+            return ffi.buffer(libpcp.buffer_get_remainder(outstream._stream.b), libpcp.buffer_size(outstream._stream.b))[:]
+            
+        else:
+            # symmetric
+            salt = ffi.new("byte[]", PBP_COMPAT_SALT)
+            symkey = libpcp.pcp_scrypt(self._ctx, passphrase, len(passphrase), salt, 90);
+            size =  libpcp.pcp_encrypt_stream_sym(self._ctx, instream._stream, outstream._stream, symkey, 0, ffi.NULL)
+
+            if size <= 0:
+                self.throw(IOError, "failed to encrypt")
+
+            return ffi.buffer(libpcp.buffer_get_remainder(outstream._stream.b), libpcp.buffer_size(outstream._stream.b))[:]
--- a/bindings/py/pypcp/key.py
+++ b/bindings/py/pypcp/key.py
@@ -0,0 +1,41 @@
+from pypcp.dll import *
+from pypcp.context import *
+
+class Key(object):
+    def __init__(self, owner=None, mail=None, sk=None, encoded=None, passphrase=None):
+        self._sk = None
+
+        if owner or mail:
+            # generate new one
+            if not owner:
+                owner=''
+            if not mail:
+                mail=''
+            self.generate(owner, mail)
+        elif sk:
+            # use the raw sk
+            self._sk = sk
+        elif encoded:
+            # import an encoded key
+            self.importkey(Context(), encoded, passphrase)
+        else:
+            self._sk = ffi.new("struct _pcp_key_t*")
+
+        # just for convenience
+        for key, value in convert_to_python(self._sk).iteritems():
+            self.__setattr__(key, value)
+
+    def importkey(self, context, encoded=None, passphrase=None):
+        sk = libpcp.pcp_import_secret(context._ctx, encoded, len(encoded), passphrase)
+        if not sk:
+            context.throw(IOError, "failed to import key")
+        self._sk = sk
+
+    def generate(self, owner=None, mail=None):
+        self._sk = libpcp.pcpkey_new()
+        if owner:
+            libpcp.pcpkey_setowner(self._sk, owner, mail)
+
+    def dump(self):
+        if self._sk:
+            libpcp.pcp_dumpkey(self._sk)
--- a/bindings/py/pypcp/publickey.py
+++ b/bindings/py/pypcp/publickey.py
@@ -0,0 +1,29 @@
+from pypcp.dll import *
+from pypcp.context import *
+
+class PublicKey(object):
+    def __init__(self, pk=None, encoded=None):
+        self._pk = None
+
+        if pk:
+            self._pk = pk
+        elif encoded:
+            self.importkey(Context(), encoded)
+        else:
+            self._pk = ffi.new("struct _pcp_pubkey_t*")
+
+        for key, value in convert_to_python(self._pk).iteritems():
+            self.__setattr__(key, value)
+
+    def importkey(self, context, encoded=None):
+        ks = libpcp.pcp_import_pub(context._ctx, encoded, len(encoded))
+        if not ks:
+            context.throw(IOError, "failed to import key")
+        self._pk = ks.p
+
+    def dump(self):
+        if self._pk:
+            libpcp.pcp_dumppubkey(self._pk)
+
+    def __dict__(self):
+        return convert_to_python(self._pk)
--- a/bindings/py/pypcp/raw.py
+++ b/bindings/py/pypcp/raw.py
@@ -593,125 +593,338 @@ int _check_hash_keysig(PCPCTX *ptx, Buffer *blob, pcp_pubkey_t *p, pcp_keysig_t
 /*** bindings/py/gencffi.pl: from include/pcp/mgmt.h:2712 */
 int _check_sigsubs(PCPCTX *ptx, Buffer *blob, pcp_pubkey_t *p, rfc_pub_sig_s *subheader);

-/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
+/*** bindings/py/gencffi.pl: from include/pcp/keyhash.h:2865 */
+void pcphash_del(PCPCTX *ptx, void *key, int type);
+
+/*** bindings/py/gencffi.pl: from include/pcp/keyhash.h:2865 */
+void pcphash_clean(PCPCTX *ptx);
+
+/*** bindings/py/gencffi.pl: from include/pcp/keyhash.h:2865 */
+void pcphash_cleanpub(pcp_pubkey_t *pub);
+
+/*** bindings/py/gencffi.pl: from include/pcp/keyhash.h:2865 */
+pcp_key_t *pcphash_keyexists(PCPCTX *ptx, char *id);
+
+/*** bindings/py/gencffi.pl: from include/pcp/keyhash.h:2865 */
+pcp_pubkey_t *pcphash_pubkeyexists(PCPCTX *ptx, char *id);
+
+/*** bindings/py/gencffi.pl: from include/pcp/keyhash.h:2865 */
+void pcphash_add(PCPCTX *ptx, void *key, int type);
+
+/*** bindings/py/gencffi.pl: from include/pcp/keyhash.h:2865 */
+int pcphash_count(PCPCTX *ptx);
+
+/*** bindings/py/gencffi.pl: from include/pcp/keyhash.h:2865 */
+int pcphash_countpub(PCPCTX *ptx);
+
+/*** bindings/py/gencffi.pl: from include/pcp/keyhash.h:2865 */
+pcp_keysig_t *pcphash_keysigexists(PCPCTX *ptx, char *id);
+
+/*** bindings/py/gencffi.pl: from include/pcp/scrypt.h:2908 */
+byte * pcp_scrypt(PCPCTX *ptx, char *passwd, size_t passwdlen, byte *nonce, size_t noncelen);
+
+/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3199 */
 Pcpstream *ps_init(void);

-/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
+/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3199 */
 Pcpstream *ps_new_file(FILE *backendfd);

-/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
+/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3199 */
 Pcpstream *ps_new_inbuffer(Buffer *b);

-/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
+/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3199 */
 Pcpstream *ps_new_outbuffer();

-/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
+/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3199 */
 size_t ps_read(Pcpstream *stream, void *buf, size_t readbytes);

-/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
+/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3199 */
 size_t ps_write(Pcpstream *stream, void *buf, size_t writebytes);

-/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
+/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3199 */
 size_t ps_finish(Pcpstream *stream);

-/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
+/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3199 */
 size_t ps_print(Pcpstream *stream, const char * fmt, ...);

-/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
+/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3199 */
 size_t ps_tell(Pcpstream *stream);

-/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
+/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3199 */
 Buffer *ps_buffer(Pcpstream *stream);

-/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
+/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3199 */
 void ps_close(Pcpstream *stream);

-/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
+/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3199 */
 int ps_end(Pcpstream *stream);

-/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
+/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3199 */
 int ps_err(Pcpstream *stream);

-/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
+/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3199 */
 void ps_setdetermine(Pcpstream *stream, size_t blocksize);

-/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
+/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3199 */
 void ps_armor(Pcpstream *stream, size_t blocksize);

-/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
+/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3199 */
 void ps_unarmor(Pcpstream *stream);

-/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
+/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3199 */
 size_t ps_read_decode(Pcpstream *stream);

-/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
+/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3199 */
 void ps_determine(Pcpstream *stream);

-/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
+/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3199 */
 size_t ps_read_next(Pcpstream *stream);

-/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
+/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3199 */
 size_t ps_read_cached(Pcpstream *stream, void *buf, size_t readbytes);

-/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
+/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3199 */
 size_t ps_read_raw(Pcpstream *stream, void *buf, size_t readbytes);

-/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
+/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3199 */
 void ps_write_encode(Pcpstream *stream, Buffer *dst);

-/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
+/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3199 */
 size_t ps_write_buf(Pcpstream *stream, Buffer *z);

-/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
+/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3199 */
 int ps_left(Pcpstream *stream);

-/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
+/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3199 */
 int ps_readline(Pcpstream *stream, Buffer *line);

-/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
+/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3377 */
 byte *pcp_padfour(byte *src, size_t srclen, size_t *dstlen);

-/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
+/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3377 */
 size_t pcp_unpadfour(byte *src, size_t srclen);

-/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
+/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3377 */
 byte *pcp_z85_decode(PCPCTX *ptx, char *z85block, size_t *dstlen);

-/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
+/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3377 */
 char *pcp_z85_encode(byte *raw, size_t srclen, size_t *dstlen, int doblock);

-/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
+/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3377 */
 char *pcp_readz85file(PCPCTX *ptx, FILE *infile);

-/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
+/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3377 */
 char *pcp_readz85string(PCPCTX *ptx, byte *input, size_t bufsize);

-/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
+/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3377 */
 uint8_t is_utf8(const byte * bytes);

-/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
+/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3377 */
 size_t _buffer_is_binary(byte *buf, size_t len);

-/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
+/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3377 */
 uint8_t _parse_zchar(Buffer *z, uint8_t c, uint8_t is_comment);

-/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
+/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3377 */
 long int z85_header_startswith(Buffer *buf, char *what);

-/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
+/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3377 */
 int z85_isheader(Buffer *buf);

-/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
+/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3377 */
 int z85_isend(Buffer *buf);

-/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
+/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3377 */
 int z85_isbegin(Buffer *buf);

-/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
+/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3377 */
 int z85_iscomment(Buffer *buf);

-/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
+/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3377 */
 int z85_isempty(Buffer *line);

-/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
+/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3377 */
 int z85_isencoded(Buffer *line);'''
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+PCP_ASYM_CIPHER = 5
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+EXP_FORMAT_C = 4
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+PCP_BLOCK_SIZE = 32 * 1024
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+EXP_PK_HEADER = "----- BEGIN ED25519-CURVE29915 PUBLIC KEY -----"
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+EXP_SK_FOOTER = "----- END ED25519-CURVE29915 PRIVATE KEY -----"
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+PCP_ENFILE_HEADER = "----- BEGIN PCP ENCRYPTED FILE -----\r\n"
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+EXP_FORMAT_NATIVE = 1
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+PBP_COMPAT_SALT = "qa~t](84z<1t<1oz:ik.@IRNyhG=8q(on9}4#!/_h#a7wqK{Nt$T?W>,mt8NqYq&6U<GB1$,<$j>,rSYI2GRDd:Bcm"
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+EXP_HASH_CIPHER = 0x22
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+EXP_HASH_NAME = "BLAKE2"
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+EXP_SIG_SUB_NOTATION = 20
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+EXP_SIG_CIPHER_NAME = "ED25519"
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+EXP_SIG_CIPHER = 0x23
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+PCP_ZFILE_HEADER = "----- BEGIN Z85 ENCODED FILE -----"
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+PCP_SIG_END = "----- END ED25519 SIGNATURE -----"
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+PCP_KEY_VERSION = 6
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+EXP_PK_CIPHER = 0x21
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+PCP_KEY_PRIMITIVE = "CURVE25519-ED25519-SALSA20-POLY1305"
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+PCP_RFC_CIPHER = 0x21 
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+PCP_ASYM_CIPHER_ANON = 6
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+EXP_FORMAT_PERL = 6
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+PCP_ENFILE_FOOTER = "\r\n----- END PCP ENCRYPTED FILE -----\r\n"
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+EXP_FORMAT_YAML = 3
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+PCP_SYM_CIPHER = 23
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+EXP_SIG_TYPE = 0x1F 
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+EXP_FORMAT_PY = 5
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+EXP_SIG_SUB_KEYFLAGS = 27
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+EXP_SK_HEADER = "----- BEGIN ED25519-CURVE29915 PRIVATE KEY -----"
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+PCP_SIGPREFIX = "\nnacl-"
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+PCP_ME = "Pretty Curved Privacy"
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+PCP_ZFILE_FOOTER = "----- END Z85 ENCODED FILE -----"
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+EXP_SIG_SUB_SIGEXPIRE = 3
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+PCP_ENCRYPT_MAC = 56
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+EXP_PK_FOOTER = "----- END ED25519-CURVE29915 PUBLIC KEY -----"
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+EXP_SIG_SUB_CTIME = 2
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+PCP_VAULT_ID = 14
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+PCP_SIG_HEADER = "----- BEGIN ED25519 SIGNED MESSAGE -----"
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+PCP_ASYM_CIPHER_SIG = 24
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+EXP_PK_CIPHER_NAME = "CURVE25519-ED25519-POLY1305-SALSA20"
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+EXP_FORMAT_PBP = 2
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+PCP_VAULT_VERSION = 2
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+PCP_CRYPTO_ADD = (32 - 16)
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+EXP_SIG_SUB_KEYEXPIRE = 9
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+PCP_SIG_VERSION = 2
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+PCP_SIG_START = "----- BEGIN ED25519 SIGNATURE -----"
+
+
+# bindings/py/gencffi.pl: from include/pcp/defines.h:187
+EXP_SIG_VERSION = 0x01
--- a/bindings/py/pypcp/stream.py
+++ b/bindings/py/pypcp/stream.py
@@ -0,0 +1,27 @@
+from pypcp.dll import *
+
+
+class Stream(object):
+    def __init__(self, string=None, file=None):
+        if file:
+            fd = open(file, 'r')
+            self._stream = libpcp.ps_new_file(fd)
+        elif string:
+            buf = libpcp.buffer_new_buf('inbuf', string, len(string))
+            self._stream = libpcp.ps_new_inbuffer(buf)
+        else:
+            self._stream = libpcp.ps_new_outbuffer()
+
+    def __del__(self):
+        libpcp.ps_close(self._stream)
+
+
+class Buffer(object):
+    def __init__(self, string=None):
+        if string:
+            self._buffer = libpcp.buffer_new_buf('pybuf', string, len(string))
+        else:
+            self._buffer = libpcp.buffer_new(32, 'pybuf')
+
+    def __del__(self):
+        libpcp.buffer_free(self._buffer)
--- a/bindings/py/test.py
+++ b/bindings/py/test.py
@@ -3,16 +3,20 @@
 from pypcp import *
 from pprint import pprint

-sk = Key("tom", "me@there")
-sk.dump()
+zbobsec = open("../../tests/key-bobby-sec", "r").read()

-encoded = open("../../tests/key-bobby-sec", "r").read()
+bobsec = Key(encoded=zbobsec, passphrase="b")
+#bobsec.dump()

-sk = Key(encoded=encoded, passphrase="b")
-sk.dump()
+zalipub = open("../../tests/key-alicia-pub", "r").read()
+alipub = PublicKey(encoded=zalipub)
+#alipub.dump()

-p = open("../../tests/key-bobby-pub", "r").read()
-pk = PublicKey(encoded=p)
-pk.dump()
+ctx = Context()
+
+encrypted = ctx.encrypt(string="hello world", passphrase="x")
+
+ctx.addkey(bobsec)
+ctx.recipients(alipub)
+encrypted = ctx.encrypt(string="hello world")

-pprint(pk.masterpub)
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@
 #
 #    This file is part of Pretty Curved Privacy (pcp1).
 #
-#    Copyright (C) 2013 T.Linden.
+#    Copyright (C) 2013-2015 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
@@ -294,27 +294,42 @@ fi
 CFLAGS="$CFLAGS -Werror -Wextra -O2"
 CXXFLAGS="$CFLAGS"

-AC_ARG_WITH([python-binding],
-            [AS_HELP_STRING([--with-python-binding],
-                            [Enable python binding])],
-            [python="yes"],
-            [])
+# conditionals for bindings and stuff
+
+# c++
+AC_ARG_ENABLE([cpp-binding],
+	      [AS_HELP_STRING([--disable-cpp-binding],
+                              [Disable C++ binding])],
+	     )
+
+AM_CONDITIONAL([BUILDCPP], [test "x$enable_cpp_binding" != "xno"])
+
+# py
+AC_ARG_ENABLE([python-binding],
+              [AS_HELP_STRING([--enable-python-binding],
+                              [Enable python binding])],
+              [python="yes"],
+              [])
+
+if test "x$python" = "xyes"; then
+    if ! python -c "import cffi" > /dev/null 2>&1; then
+	python="no"
+	AC_MSG_ERROR([python or cffi is not installed])
+    fi
+fi
+
+AM_CONDITIONAL([BUILDPY], [test "x$python" = "xyes"])



 AC_SUBST(PACKAGE_VERSION)

 # Specify output files
-AC_CONFIG_FILES([Makefile include/Makefile libpcp/Makefile src/Makefile man/Makefile tests/Makefile libpcp/libpcp1.pc bindings/cpp/Makefile])
+AC_CONFIG_FILES([Makefile include/Makefile libpcp/Makefile src/Makefile man/Makefile \
+		 tests/Makefile libpcp/libpcp1.pc bindings/cpp/Makefile bindings/py/Makefile])
+


-if test "x$python" = "xyes"; then
-    if python -c "import cffi" > /dev/null 2>&1; then
-	AC_CONFIG_FILES([bindings/py/Makefile])
-    else
-	AC_MSG_ERROR([python or cffi is not installed])
-    fi
-fi


 AC_OUTPUT