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authorMatthias Wachs <wachs@net.in.tum.de>2011-10-25 08:47:28 +0000
committerMatthias Wachs <wachs@net.in.tum.de>2011-10-25 08:47:28 +0000
commit21c511cc4c80f0ed3fc60d7552dd5d150f63d5b0 (patch)
tree541858883e854c1f7ef18f5a4f356fca13c659b8 /configure.ac
parentec422e61744ed0568b13cbb4c9fd5e46920edbc0 (diff)
hmac issues
Diffstat (limited to 'configure.ac')
-rw-r--r--configure.ac23
1 files changed, 20 insertions, 3 deletions
diff --git a/configure.ac b/configure.ac
index c714c1150..66e55dfa7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -210,7 +210,8 @@ AC_LANG_PUSH(C)
LIBS="$LIBS $LIBGCRYPT_LIBS"
CFLAGS="$CFLAGS $LIBGCRYPT_CFLAGS"
AC_RUN_IFELSE(
- [AC_LANG_PROGRAM([#include <gcrypt.h>], [[
+ [AC_LANG_PROGRAM([#include <gcrypt.h>
+ #include <stdio.h>], [[
gcry_md_hd_t mac;
unsigned char data[] = { 0xbf, 0x16, 0x6e, 0x46, 0x3a, 0x6c, 0xf3, 0x93, 0xa7, 0x72,
@@ -225,19 +226,28 @@ AC_RUN_IFELSE(
0x90, 0xf2, 0xd1, 0xaf, 0x65, 0x1e, 0xb3};
if (!gcry_check_version (GCRYPT_VERSION))
+ {
+ fprintf (stderr, "Version mismatch %s <-> %s \n", gcry_check_version (NULL), GCRYPT_VERSION);
return 1;
+ }
gcry_control (GCRYCTL_DISABLE_SECMEM, 0);
gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0);
if (gcry_md_open(&mac, GCRY_MD_SHA512, GCRY_MD_FLAG_HMAC) != GPG_ERR_NO_ERROR)
+ {
+ fprintf (stderr, "gcry_md_open error\n");
return 2;
+ }
gcry_md_setkey (mac, key, sizeof (key));
gcry_md_write (mac, data, sizeof (data));
if (memcmp(gcry_md_read (mac, 0), result, gcry_md_get_algo_dlen (gcry_md_get_algo (mac))) != 0)
+ {
+ fprintf (stderr, "memcmp error\n");
return 3;
+ }
gcry_md_close (mac);
@@ -245,12 +255,19 @@ AC_RUN_IFELSE(
]])],
[AC_MSG_RESULT([yes])],
[
- if test $? = 3
+ RESULT=$?
+ if test $RESULT = 3
then
AC_MSG_FAILURE([HMAC test vector does not match. This is a known problem with libgcrypt 1.2.2 on Windows and fixed in 1.4.6.])
- else
+ fi
+ if test $RESULT = 2
+ then
AC_MSG_FAILURE([HMAC test failed])
fi
+ if test $RESULT = 1
+ then
+ AC_MSG_FAILURE([libgcrypt header version does not match library version])
+ fi
])
AC_LANG_POP(C)
fi # $build = $target