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-C uses facilities of -x and -X

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TLINDEN
2015-07-22 07:59:28 +02:00
parent 362f7dff6b
commit 27a9a96ae4
13 changed files with 180 additions and 175 deletions
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6
ChangeLog
View File

@@ -1,3 +1,9 @@
NEXT
Changed -C again: doesnt support a key argument
anymore, instead I use the facilities I already
have in place (-x and -X). Also, I don't generate
an extra hash for the key anymore.
0.3.0
Changed publuc key signature storage, previously
I didn't add the actual signature, therefore a

6
INSTALL
View File

@@ -1,7 +1,7 @@
Installation Instructions
*************************
Copyright (C) 1994-1996, 1999-2002, 2004-2012 Free Software Foundation,
Copyright (C) 1994-1996, 1999-2002, 2004-2013 Free Software Foundation,
Inc.
Copying and distribution of this file, with or without modification,
@@ -12,8 +12,8 @@ without warranty of any kind.
Basic Installation
==================
Briefly, the shell commands `./configure; make; make install' should
configure, build, and install this package. The following
Briefly, the shell command `./configure && make && make install'
should configure, build, and install this package. The following
more-detailed instructions are generic; see the `README' file for
instructions specific to this package. Some packages provide this
`INSTALL' file but do not implement all of the features documented

230
bindings/py/pypcp/raw.py
View File

@@ -867,43 +867,7 @@ uint8_t *zmq_z85_decode (uint8_t *dest, char *string);
char *zmq_z85_encode (char *dest, uint8_t *data, size_t size);'''
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_FORMAT_PBP = 2
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PCP_ASYM_CIPHER = 5
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_SIG_CIPHER = 0x23
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_PK_HEADER = "----- BEGIN ED25519-CURVE29915 PUBLIC KEY -----"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_HASH_CIPHER = 0x22
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_HASH_NAME = "BLAKE2"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PCP_CRYPTO_ADD = (32 - 16)
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PCP_ASYM_CIPHER_SIG = 24
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_SIG_SUB_KEYFLAGS = 27
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_SIG_SUB_NOTATION = 20
PCP_ZFILE_FOOTER = "----- END Z85 ENCODED FILE -----"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
@@ -911,37 +875,133 @@ PCP_VAULT_ID = 14
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_SK_HEADER = "----- BEGIN ED25519-CURVE29915 PRIVATE KEY -----"
EXP_FORMAT_PBP = 2
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PCP_ENFILE_HEADER = "----- BEGIN PCP ENCRYPTED FILE -----\r\n"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PCP_SIG_HEADER = "----- BEGIN ED25519 SIGNED MESSAGE -----"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PCP_SIGPREFIX = "\nnacl-"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PCP_ZFILE_FOOTER = "----- END Z85 ENCODED FILE -----"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_SK_FOOTER = "----- END ED25519-CURVE29915 PRIVATE KEY -----"
EXP_SIG_SUB_KEYFLAGS = 27
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PCP_SIG_END = "----- END ED25519 SIGNATURE -----"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_SIG_CIPHER_NAME = "ED25519"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_PK_HEADER = "----- BEGIN ED25519-CURVE29915 PUBLIC KEY -----"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_SK_FOOTER = "----- END ED25519-CURVE29915 PRIVATE KEY -----"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PCP_ZFILE_HEADER = "----- BEGIN Z85 ENCODED FILE -----"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_SIG_SUB_CTIME = 2
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PCP_SIG_HEADER = "----- BEGIN ED25519 SIGNED MESSAGE -----"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_SIG_SUB_KEYEXPIRE = 9
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PBP_COMPAT_SALT = "qa~t](84z<1t<1oz:ik.@IRNyhG=8q(on9}4#!/_h#a7wqK{Nt$T?W>,mt8NqYq&6U<GB1$,<$j>,rSYI2GRDd:Bcm"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PCP_ASYM_CIPHER_ANON = 6
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_SIG_TYPE = 0x1F
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_SIG_SUB_NOTATION = 20
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PCP_SYM_CIPHER = 23
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PCP_CRYPTO_ADD = (32 - 16)
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PCP_SIGPREFIX = "\nnacl-"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PCP_RFC_CIPHER = 0x21
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_HASH_NAME = "BLAKE2"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PCP_ENFILE_FOOTER = "\r\n----- END PCP ENCRYPTED FILE -----\r\n"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_HASH_CIPHER = 0x22
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PCP_ASYM_CIPHER_SIG = 24
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_SIG_CIPHER = 0x23
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PCP_ENFILE_HEADER = "----- BEGIN PCP ENCRYPTED FILE -----\r\n"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PCP_ASYM_CIPHER = 5
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_PK_CIPHER_NAME = "CURVE25519-ED25519-POLY1305-SALSA20"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PCP_SIG_START = "----- BEGIN ED25519 SIGNATURE -----"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PCP_BLOCK_SIZE = 32 * 1024
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_SIG_SUB_SIGEXPIRE = 3
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_PK_FOOTER = "----- END ED25519-CURVE29915 PUBLIC KEY -----"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_SK_HEADER = "----- BEGIN ED25519-CURVE29915 PRIVATE KEY -----"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_FORMAT_NATIVE = 1
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PCP_ENCRYPT_MAC = 56
@@ -950,65 +1010,5 @@ PCP_ENCRYPT_MAC = 56
PCP_ME = "Pretty Curved Privacy"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PCP_ASYM_CIPHER_ANON = 6
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PCP_ENFILE_FOOTER = "\r\n----- END PCP ENCRYPTED FILE -----\r\n"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_SIG_SUB_CTIME = 2
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PCP_SIG_START = "----- BEGIN ED25519 SIGNATURE -----"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PCP_ZFILE_HEADER = "----- BEGIN Z85 ENCODED FILE -----"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_SIG_SUB_SIGEXPIRE = 3
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_SIG_CIPHER_NAME = "ED25519"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_PK_CIPHER = 0x21
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_PK_FOOTER = "----- END ED25519-CURVE29915 PUBLIC KEY -----"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_SIG_SUB_KEYEXPIRE = 9
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_FORMAT_NATIVE = 1
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PCP_SYM_CIPHER = 23
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_PK_CIPHER_NAME = "CURVE25519-ED25519-POLY1305-SALSA20"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PBP_COMPAT_SALT = "qa~t](84z<1t<1oz:ik.@IRNyhG=8q(on9}4#!/_h#a7wqK{Nt$T?W>,mt8NqYq&6U<GB1$,<$j>,rSYI2GRDd:Bcm"
# ./gencffi.pl: from ../../include/pcp/defines.h:172
PCP_BLOCK_SIZE = 32 * 1024
# ./gencffi.pl: from ../../include/pcp/defines.h:172
EXP_SIG_TYPE = 0x1F

3
include/pcp/config.h.in
View File

@@ -160,9 +160,6 @@
*/
#undef LT_OBJDIR
/* Define to 1 if your C compiler doesn't accept -c and -o together. */
#undef NO_MINUS_C_MINUS_O
/* Name of package */
#undef PACKAGE

10
man/options.pod
View File

@@ -9,6 +9,8 @@
will be used.
-I --infile <file> Input file. If not specified, stdin
will be used.
-x --xpass <passwd> Provide password. B<INSECURE>! Use for
testing or debugging only!
-X --password-file <file> Read passphrase from <file>. If <file>
is -, read from stdin. This takes
precedence over other uses of stdin
@@ -132,11 +134,9 @@
uses stdin/stdout
Misc Options:
-C --checksum [<key>] Calculate a Blake2b checksum of one or more files.
If <key> is provided, an authenticated hash will
be calculated, otherwise a normal hash. If you don't
want to generate an authenticated hash, specify
-- after -C.
-C --checksum Calculate a Blake2b checksum of one or more files.
If -x is provided, an authenticated hash will
be calculated, otherwise a normal hash.
Use -I to specify one file or put multiple file
names after -C like "pcp1 -C -- file1 file2 file3".

17
man/pcp1.1
View File

@@ -133,7 +133,7 @@
.\" ========================================================================
.\"
.IX Title "PCP1 1"
.TH PCP1 1 "2015-07-21" "PCP 0.3.0" "USER CONTRIBUTED DOCUMENTATION"
.TH PCP1 1 "2015-07-22" "PCP 0.3.0" "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
@@ -158,6 +158,8 @@ Pretty Curved Privacy \- File encryption using eliptic curve cryptography.
\& \-V \-\-vault <vaultfile> Specify an alternate vault file.
\& \-O \-\-outfile <file> Output file. STDOUT if unspecified.
\& \-I \-\-infile <file> Input file. STDIN if unspecified.
\& \-x \-\-xpass <passwd> Provide password. INSECURE! Use for testing
\& or debugging only!
\& \-X \-\-password\-file <file> Read passphrase from <file>.
\& \-i \-\-keyid <id> Specify a key id for various operations.
\& \-r \-\-recipient <string> Specify a recpipient, multiple allowed.
@@ -193,7 +195,8 @@ Pretty Curved Privacy \- File encryption using eliptic curve cryptography.
\& \-a \-\-armor \-\-textmode same as \-z
\&
\& Misc Options:
\& \-C \-\-checksum [<key>] calculate a Blake2 checksum of one or more files.
\& \-C \-\-checksum calculate a Blake2 checksum of one or more files.
\& add \-x <key> to compute an authenticated hash.
\&
\& Arguments:
\& Extra arguments after options are treated as filenames or
@@ -209,6 +212,8 @@ Pretty Curved Privacy \- File encryption using eliptic curve cryptography.
\& will be used.
\& \-I \-\-infile <file> Input file. If not specified, stdin
\& will be used.
\& \-x \-\-xpass <passwd> Provide password. B<INSECURE>! Use for
\& testing or debugging only!
\& \-X \-\-password\-file <file> Read passphrase from <file>. If <file>
\& is \-, read from stdin. This takes
\& precedence over other uses of stdin
@@ -332,11 +337,9 @@ Pretty Curved Privacy \- File encryption using eliptic curve cryptography.
\& uses stdin/stdout
\&
\& Misc Options:
\& \-C \-\-checksum [<key>] Calculate a Blake2b checksum of one or more files.
\& If <key> is provided, an authenticated hash will
\& be calculated, otherwise a normal hash. If you don\*(Aqt
\& want to generate an authenticated hash, specify
\& \-\- after \-C.
\& \-C \-\-checksum Calculate a Blake2b checksum of one or more files.
\& If \-x is provided, an authenticated hash will
\& be calculated, otherwise a normal hash.
\& Use \-I to specify one file or put multiple file
\& names after \-C like "pcp1 \-C \-\- file1 file2 file3".
.Ve

15
man/pcp1.html
View File

@@ -86,6 +86,8 @@
-V --vault &lt;vaultfile&gt; Specify an alternate vault file.
-O --outfile &lt;file&gt; Output file. STDOUT if unspecified.
-I --infile &lt;file&gt; Input file. STDIN if unspecified.
-x --xpass &lt;passwd&gt; Provide password. INSECURE! Use for testing
or debugging only!
-X --password-file &lt;file&gt; Read passphrase from &lt;file&gt;.
-i --keyid &lt;id&gt; Specify a key id for various operations.
-r --recipient &lt;string&gt; Specify a recpipient, multiple allowed.
@@ -121,7 +123,8 @@
-a --armor --textmode same as -z
Misc Options:
-C --checksum [&lt;key&gt;] calculate a Blake2 checksum of one or more files.
-C --checksum calculate a Blake2 checksum of one or more files.
add -x &lt;key&gt; to compute an authenticated hash.
Arguments:
Extra arguments after options are treated as filenames or
@@ -137,6 +140,8 @@
will be used.
-I --infile &lt;file&gt; Input file. If not specified, stdin
will be used.
-x --xpass &lt;passwd&gt; Provide password. B&lt;INSECURE&gt;! Use for
testing or debugging only!
-X --password-file &lt;file&gt; Read passphrase from &lt;file&gt;. If &lt;file&gt;
is -, read from stdin. This takes
precedence over other uses of stdin
@@ -260,11 +265,9 @@
uses stdin/stdout
Misc Options:
-C --checksum [&lt;key&gt;] Calculate a Blake2b checksum of one or more files.
If &lt;key&gt; is provided, an authenticated hash will
be calculated, otherwise a normal hash. If you don&#39;t
want to generate an authenticated hash, specify
-- after -C.
-C --checksum Calculate a Blake2b checksum of one or more files.
If -x is provided, an authenticated hash will
be calculated, otherwise a normal hash.
Use -I to specify one file or put multiple file
names after -C like &quot;pcp1 -C -- file1 file2 file3&quot;.
</code></pre>

15
man/pcp1.pod
View File

@@ -21,6 +21,8 @@ Pretty Curved Privacy - File encryption using eliptic curve cryptography.
-V --vault <vaultfile> Specify an alternate vault file.
-O --outfile <file> Output file. STDOUT if unspecified.
-I --infile <file> Input file. STDIN if unspecified.
-x --xpass <passwd> Provide password. INSECURE! Use for testing
or debugging only!
-X --password-file <file> Read passphrase from <file>.
-i --keyid <id> Specify a key id for various operations.
-r --recipient <string> Specify a recpipient, multiple allowed.
@@ -56,7 +58,8 @@ Pretty Curved Privacy - File encryption using eliptic curve cryptography.
-a --armor --textmode same as -z
Misc Options:
-C --checksum [<key>] calculate a Blake2 checksum of one or more files.
-C --checksum calculate a Blake2 checksum of one or more files.
add -x <key> to compute an authenticated hash.
Arguments:
Extra arguments after options are treated as filenames or
@@ -72,6 +75,8 @@ Pretty Curved Privacy - File encryption using eliptic curve cryptography.
will be used.
-I --infile <file> Input file. If not specified, stdin
will be used.
-x --xpass <passwd> Provide password. B<INSECURE>! Use for
testing or debugging only!
-X --password-file <file> Read passphrase from <file>. If <file>
is -, read from stdin. This takes
precedence over other uses of stdin
@@ -195,11 +200,9 @@ Pretty Curved Privacy - File encryption using eliptic curve cryptography.
uses stdin/stdout
Misc Options:
-C --checksum [<key>] Calculate a Blake2b checksum of one or more files.
If <key> is provided, an authenticated hash will
be calculated, otherwise a normal hash. If you don't
want to generate an authenticated hash, specify
-- after -C.
-C --checksum Calculate a Blake2b checksum of one or more files.
If -x is provided, an authenticated hash will
be calculated, otherwise a normal hash.
Use -I to specify one file or put multiple file
names after -C like "pcp1 -C -- file1 file2 file3".

17
src/encryption.c
View File

@@ -363,16 +363,10 @@ int pcpencrypt(char *id, char *infile, char *outfile, char *passwd, plist_t *rec
void pcpchecksum(char **files, int filenum, char *key) {
int i;
byte *checksum = ucmalloc(crypto_generichash_BYTES_MAX);
byte *keyhash = NULL;
size_t hashlen = 0;
size_t keylen = 0;
if(key != NULL) {
keyhash = ucmalloc(crypto_generichash_BYTES);
crypto_generichash(keyhash, crypto_generichash_BYTES,
(byte *)key, strlen(key),
NULL, crypto_generichash_BYTES);
hashlen = crypto_generichash_BYTES;
}
if(key != NULL)
keylen = strlen(key);
for(i=0; i<filenum; i++) {
FILE *in;
@@ -387,7 +381,7 @@ void pcpchecksum(char **files, int filenum, char *key) {
}
}
Pcpstream *pin = ps_new_file(in);
if(pcp_checksum(ptx, pin, checksum, keyhash, hashlen) > 0) {
if(pcp_checksum(ptx, pin, checksum, (byte *)key, keylen) > 0) {
char *hex = _bin2hex(checksum, crypto_generichash_BYTES_MAX);
fprintf(stdout, "BLAKE2b (%s) = %s\n", files[i], hex);
free(hex);
@@ -397,7 +391,4 @@ void pcpchecksum(char **files, int filenum, char *key) {
}
free(checksum);
if(keyhash != NULL)
free(keyhash);
}

8
src/pcp.c
View File

@@ -114,7 +114,7 @@ int main (int argc, char **argv) {
{ "decrypt", no_argument, NULL, 'd' },
{ "anonymous", no_argument, NULL, 'A' },
{ "add-myself", no_argument, NULL, 'M' },
{ "checksum", optional_argument, NULL, 'C' },
{ "checksum", no_argument, NULL, 'C' },
/* encoding */
{ "z85-encode", no_argument, NULL, 'z' },
@@ -136,7 +136,7 @@ int main (int argc, char **argv) {
{ NULL, 0, NULL, 0 }
};
while ((opt = getopt_long(argc, argv, "klLV:vdehsO:i:I:pSPRtEx:DzaZr:gcmf:b1F:0KAMX:jC:",
while ((opt = getopt_long(argc, argv, "klLV:vdehsO:i:I:pSPRtEx:DzaZr:gcmf:b1F:0KAMX:jC",
longopts, NULL)) != -1) {
switch (opt) {
@@ -233,10 +233,6 @@ int main (int argc, char **argv) {
break;
case 'C':
mode += PCP_MODE_CHECKSUM;
if(strlen(optarg) > 0 && strncmp(optarg, "--", 3) > 0) {
xpass = smalloc(strlen(optarg)+1);
strncpy(xpass, optarg, strlen(optarg)+1);
}
break;
case 'f':
sigfile = ucmalloc(strlen(optarg)+1);

5
src/usage.h
View File

@@ -16,6 +16,8 @@
"-V --vault <vaultfile> Specify an alternate vault file.\n" \
"-O --outfile <file> Output file. STDOUT if unspecified.\n" \
"-I --infile <file> Input file. STDIN if unspecified.\n" \
"-x --xpass <passwd> Provide password. INSECURE! Use for testing\n" \
" or debugging only!\n" \
"-X --password-file <file> Read passphrase from <file>.\n" \
"-i --keyid <id> Specify a key id for various operations.\n" \
"-r --recipient <string> Specify a recpipient, multiple allowed.\n" \
@@ -51,7 +53,8 @@
"-a --armor --textmode same as -z\n" \
"\n" \
"Misc Options:\n" \
"-C --checksum [<key>] calculate a Blake2 checksum of one or more files.\n" \
"-C --checksum calculate a Blake2 checksum of one or more files.\n" \
" add -x <key> to compute an authenticated hash.\n" \
"\n" \
"Arguments:\n" \
"Extra arguments after options are treated as filenames or\n" \

5
src/usage.txt
View File

@@ -14,6 +14,8 @@ General Options:
-V --vault <vaultfile> Specify an alternate vault file.
-O --outfile <file> Output file. STDOUT if unspecified.
-I --infile <file> Input file. STDIN if unspecified.
-x --xpass <passwd> Provide password. INSECURE! Use for testing
or debugging only!
-X --password-file <file> Read passphrase from <file>.
-i --keyid <id> Specify a key id for various operations.
-r --recipient <string> Specify a recpipient, multiple allowed.
@@ -49,7 +51,8 @@ Encoding Options:
-a --armor --textmode same as -z
Misc Options:
-C --checksum [<key>] calculate a Blake2 checksum of one or more files.
-C --checksum calculate a Blake2 checksum of one or more files.
add -x <key> to compute an authenticated hash.
Arguments:
Extra arguments after options are treated as filenames or

10
tests/unittests.cfg
View File

@@ -574,22 +574,22 @@ temporarily disabled
# checksum tests
<test checksums>
blake2 = 5baec1cad5bf54287028749d83f2bf3e3ed09f0ee38a233f35dbda1361c6a67fd824e17c86ee3a85181038eb44836c17c42e6beff17fdf997075417914056992
blake2auth = 6d74340db1e77021861443d6cc0d1acedefed8c6d863789778ed800b99d32b6c96b782d087209ea180e983af51bd649064eff58ef0826c8996ae8017c35082b3
blake2auth = d7fff04bd63004f7a2ba914d9b2ccff22827230d3c546d97ebaa29cbe9fb2380b7948bc799486d512b4355c24f0cce423e746419098d4455af91898c4a06a5df
key = 9U3Dk2s
<test check-checksum-copying>
cmd = $pcp -C -- ../COPYING
cmd = $pcp -C ../COPYING
expect = /$blake2/
</test>
<test check-checksum-authenticated-copying>
cmd = $pcp -C $key ../COPYING
cmd = $pcp -x $key -C ../COPYING
expect = /$blake2auth/
</test>
<test check-checksum-copying-stdin>
cmd = $pcp -C -- < ../COPYING
cmd = $pcp -C < ../COPYING
expect = /$blake2/
</test>
<test check-checksum-multiple>
cmd = $pcp -C -- ../COPYING ../README
cmd = $pcp -C ../COPYING ../README
expect = /README/
</test>
</test>