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/* aeswrap.c - AESWRAP mode regression tests
* Copyright (C) 2009 Free Software Foundation, Inc.
*
* This file is part of Libgcrypt.
*
* Libgcrypt is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* Libgcrypt 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include "../src/gcrypt.h"
static int verbose;
static int error_count;
static void
fail (const char *format, ...)
{
va_list arg_ptr;
va_start (arg_ptr, format);
vfprintf (stderr, format, arg_ptr);
va_end (arg_ptr);
error_count++;
}
static void
die (const char *format, ...)
{
va_list arg_ptr;
va_start (arg_ptr, format);
vfprintf (stderr, format, arg_ptr);
va_end (arg_ptr);
exit (1);
}
static void
check (int algo,
const void *kek, size_t keklen,
const void *data, size_t datalen,
const void *expected, size_t expectedlen)
{
gcry_error_t err;
gcry_cipher_hd_t hd;
unsigned char outbuf[32+8];
size_t outbuflen;
err = gcry_cipher_open (&hd, algo, GCRY_CIPHER_MODE_AESWRAP, 0);
if (err)
{
fail ("gcry_cipher_open failed: %s\n", gpg_strerror (err));
return;
}
err = gcry_cipher_setkey (hd, kek, keklen);
if (err)
{
fail ("gcry_cipher_setkey failed: %s\n", gpg_strerror (err));
return;
}
outbuflen = datalen + 8;
if (outbuflen > sizeof outbuf)
err = gpg_error (GPG_ERR_INTERNAL);
else
err = gcry_cipher_encrypt (hd, outbuf, outbuflen, data, datalen);
if (err)
{
fail ("gcry_cipher_encrypt failed: %s\n", gpg_strerror (err));
return;
}
if (outbuflen != expectedlen || memcmp (outbuf, expected, expectedlen))
{
const unsigned char *s;
int i;
fail ("mismatch at encryption!\n");
fprintf (stderr, "computed: ");
for (i = 0; i < outbuflen; i++)
fprintf (stderr, "%02x ", outbuf[i]);
fprintf (stderr, "\nexpected: ");
for (s = expected, i = 0; i < expectedlen; s++, i++)
fprintf (stderr, "%02x ", *s);
putc ('\n', stderr);
}
outbuflen = expectedlen - 8;
if (outbuflen > sizeof outbuf)
err = gpg_error (GPG_ERR_INTERNAL);
else
err = gcry_cipher_decrypt (hd, outbuf, outbuflen, expected, expectedlen);
if (err)
{
fail ("gcry_cipher_decrypt failed: %s\n", gpg_strerror (err));
return;
}
if (outbuflen != datalen || memcmp (outbuf, data, datalen))
{
const unsigned char *s;
int i;
fail ("mismatch at decryption!\n");
fprintf (stderr, "computed: ");
for (i = 0; i < outbuflen; i++)
fprintf (stderr, "%02x ", outbuf[i]);
fprintf (stderr, "\nexpected: ");
for (s = data, i = 0; i < datalen; s++, i++)
fprintf (stderr, "%02x ", *s);
putc ('\n', stderr);
}
/* Now the last step again with a key reset. */
gcry_cipher_reset (hd);
outbuflen = expectedlen - 8;
if (outbuflen > sizeof outbuf)
err = gpg_error (GPG_ERR_INTERNAL);
else
err = gcry_cipher_decrypt (hd, outbuf, outbuflen, expected, expectedlen);
if (err)
{
fail ("gcry_cipher_decrypt(2) failed: %s\n", gpg_strerror (err));
return;
}
if (outbuflen != datalen || memcmp (outbuf, data, datalen))
fail ("mismatch at decryption(2)!\n");
/* And once ore without a key reset. */
outbuflen = expectedlen - 8;
if (outbuflen > sizeof outbuf)
err = gpg_error (GPG_ERR_INTERNAL);
else
err = gcry_cipher_decrypt (hd, outbuf, outbuflen, expected, expectedlen);
if (err)
{
fail ("gcry_cipher_decrypt(3) failed: %s\n", gpg_strerror (err));
return;
}
if (outbuflen != datalen || memcmp (outbuf, data, datalen))
fail ("mismatch at decryption(3)!\n");
gcry_cipher_close (hd);
}
static void
check_all (void)
{
if (verbose)
fprintf (stderr, "4.1 Wrap 128 bits of Key Data with a 128-bit KEK\n");
check
(GCRY_CIPHER_AES128,
"\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F", 16,
"\x00\x11\x22\x33\x44\x55\x66\x77\x88\x99\xAA\xBB\xCC\xDD\xEE\xFF", 16,
"\x1F\xA6\x8B\x0A\x81\x12\xB4\x47\xAE\xF3\x4B\xD8\xFB\x5A\x7B\x82"
"\x9D\x3E\x86\x23\x71\xD2\xCF\xE5", 24);
if (verbose)
fprintf (stderr, "4.2 Wrap 128 bits of Key Data with a 192-bit KEK\n");
check
(GCRY_CIPHER_AES192,
"\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F"
"\x10\x11\x12\x13\x14\x15\x16\x17", 24,
"\x00\x11\x22\x33\x44\x55\x66\x77\x88\x99\xAA\xBB\xCC\xDD\xEE\xFF", 16,
"\x96\x77\x8B\x25\xAE\x6C\xA4\x35\xF9\x2B\x5B\x97\xC0\x50\xAE\xD2"
"\x46\x8A\xB8\xA1\x7A\xD8\x4E\x5D", 24);
if (verbose)
fprintf (stderr, "4.3 Wrap 128 bits of Key Data with a 256-bit KEK\n");
check
(GCRY_CIPHER_AES256,
"\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F"
"\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F", 32,
"\x00\x11\x22\x33\x44\x55\x66\x77\x88\x99\xAA\xBB\xCC\xDD\xEE\xFF", 16,
"\x64\xE8\xC3\xF9\xCE\x0F\x5B\xA2\x63\xE9\x77\x79\x05\x81\x8A\x2A"
"\x93\xC8\x19\x1E\x7D\x6E\x8A\xE7", 24);
if (verbose)
fprintf (stderr, "4.4 Wrap 192 bits of Key Data with a 192-bit KEK\n");
check
(GCRY_CIPHER_AES192,
"\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F"
"\x10\x11\x12\x13\x14\x15\x16\x17", 24,
"\x00\x11\x22\x33\x44\x55\x66\x77\x88\x99\xAA\xBB\xCC\xDD\xEE\xFF"
"\x00\x01\x02\x03\x04\x05\x06\x07", 24,
"\x03\x1D\x33\x26\x4E\x15\xD3\x32\x68\xF2\x4E\xC2\x60\x74\x3E\xDC"
"\xE1\xC6\xC7\xDD\xEE\x72\x5A\x93\x6B\xA8\x14\x91\x5C\x67\x62\xD2", 32);
if (verbose)
fprintf (stderr, "4.5 Wrap 192 bits of Key Data with a 256-bit KEK\n");
check
(GCRY_CIPHER_AES256,
"\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F"
"\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F", 32,
"\x00\x11\x22\x33\x44\x55\x66\x77\x88\x99\xAA\xBB\xCC\xDD\xEE\xFF"
"\x00\x01\x02\x03\x04\x05\x06\x07", 24,
"\xA8\xF9\xBC\x16\x12\xC6\x8B\x3F\xF6\xE6\xF4\xFB\xE3\x0E\x71\xE4"
"\x76\x9C\x8B\x80\xA3\x2C\xB8\x95\x8C\xD5\xD1\x7D\x6B\x25\x4D\xA1", 32);
if (verbose)
fprintf (stderr, "4.6 Wrap 256 bits of Key Data with a 256-bit KEK\n");
check
(GCRY_CIPHER_AES,
"\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F"
"\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F", 32,
"\x00\x11\x22\x33\x44\x55\x66\x77\x88\x99\xAA\xBB\xCC\xDD\xEE\xFF"
"\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F", 32,
"\x28\xC9\xF4\x04\xC4\xB8\x10\xF4\xCB\xCC\xB3\x5C\xFB\x87\xF8\x26"
"\x3F\x57\x86\xE2\xD8\x0E\xD3\x26\xCB\xC7\xF0\xE7\x1A\x99\xF4\x3B"
"\xFB\x98\x8B\x9B\x7A\x02\xDD\x21", 40);
}
int
main (int argc, char **argv)
{
int debug = 0;
if (argc > 1 && !strcmp (argv[1], "--verbose"))
verbose = 1;
else if (argc > 1 && !strcmp (argv[1], "--debug"))
verbose = debug = 1;
if (!gcry_check_version (GCRYPT_VERSION))
die ("version mismatch\n");
gcry_control (GCRYCTL_DISABLE_SECMEM, 0);
gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0);
if (debug)
gcry_control (GCRYCTL_SET_DEBUG_FLAGS, 1u, 0);
check_all ();
return error_count ? 1 : 0;
}

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Mon, Dec 23, 5:17 PM (2 h, 19 m)
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