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/*
This file is part of GNUnet.
Copyright (C) 2002, 2003, 2004, 2006 GNUnet e.V.
GNUnet is free software: you can redistribute it and/or modify it
under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.
GNUnet 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
Affero General Public License for more details.
*/
/**
* @author Christian Grothoff
* @file util/test_crypto_symmetric.c
* @brief test for AES ciphers
*/
#include "platform.h"
#include "gnunet_util_lib.h"
#define TESTSTRING "Hello World!"
#define INITVALUE "InitializationVectorValueinitializationvectorvalue"
static int
testSymcipher ()
{
struct GNUNET_CRYPTO_SymmetricSessionKey key;
char result[100];
int size;
char res[100];
GNUNET_CRYPTO_symmetric_create_session_key (&key);
size =
GNUNET_CRYPTO_symmetric_encrypt (TESTSTRING, strlen (TESTSTRING) + 1, &key,
(const struct
GNUNET_CRYPTO_SymmetricInitializationVector *)
INITVALUE, result);
if (size == -1)
{
printf ("symciphertest failed: encryptBlock returned %d\n", size);
return 1;
}
size =
GNUNET_CRYPTO_symmetric_decrypt (result, size, &key,
(const struct
GNUNET_CRYPTO_SymmetricInitializationVector *)
INITVALUE, res);
if (strlen (TESTSTRING) + 1 != size)
{
printf ("symciphertest failed: decryptBlock returned %d\n", size);
return 1;
}
if (0 != strcmp (res, TESTSTRING))
{
printf ("symciphertest failed: %s != %s\n", res, TESTSTRING);
return 1;
}
else
return 0;
}
static int
verifyCrypto ()
{
struct GNUNET_CRYPTO_SymmetricSessionKey key;
char result[GNUNET_CRYPTO_AES_KEY_LENGTH];
char *res;
int ret;
unsigned char plain[] =
{
29, 128, 192, 253, 74, 171, 38, 187, 84, 219, 76, 76, 209, 118, 33, 249,
172, 124, 96, 9, 157, 110, 8, 215, 200, 63, 69, 230, 157, 104, 247, 164
};
unsigned char raw_key_aes[] =
{
106, 74, 209, 88, 145, 55, 189, 135, 125, 180, 225, 108, 183, 54, 25,
169, 129, 188, 131, 75, 227, 245, 105, 10, 225, 15, 115, 159, 148, 184,
34, 191
};
unsigned char raw_key_twofish[] =
{
145, 55, 189, 135, 125, 180, 225, 108, 183, 54, 25,
169, 129, 188, 131, 75, 227, 245, 105, 10, 225, 15, 115, 159, 148, 184,
34, 191, 106, 74, 209, 88
};
unsigned char encrresult[] =
{
155, 88, 106, 174, 124, 172, 47, 149, 85, 15, 208, 176, 65, 124, 155,
74, 215, 25, 177, 231, 162, 109, 165, 4, 133, 165, 93, 44, 213, 77,
206, 204, 1
};
res = NULL;
ret = 0;
GNUNET_memcpy (key.aes_key, raw_key_aes, GNUNET_CRYPTO_AES_KEY_LENGTH);
GNUNET_memcpy (key.twofish_key, raw_key_twofish, GNUNET_CRYPTO_AES_KEY_LENGTH);
if (GNUNET_CRYPTO_AES_KEY_LENGTH !=
GNUNET_CRYPTO_symmetric_encrypt (plain, GNUNET_CRYPTO_AES_KEY_LENGTH, &key,
(const struct
GNUNET_CRYPTO_SymmetricInitializationVector *)
"testtesttesttesttesttesttesttest",
result))
{
printf ("Wrong return value from encrypt block.\n");
ret = 1;
goto error;
}
if (0 != memcmp (encrresult, result, GNUNET_CRYPTO_AES_KEY_LENGTH))
{
int i;
printf ("Encrypted result wrong.\n");
for (i=0;i<GNUNET_CRYPTO_AES_KEY_LENGTH;i++)
printf ("%u, ", (uint8_t) result[i]);
ret = 1;
goto error;
}
res = GNUNET_malloc (GNUNET_CRYPTO_AES_KEY_LENGTH);
if (GNUNET_CRYPTO_AES_KEY_LENGTH !=
GNUNET_CRYPTO_symmetric_decrypt (result, GNUNET_CRYPTO_AES_KEY_LENGTH, &key,
(const struct
GNUNET_CRYPTO_SymmetricInitializationVector *)
"testtesttesttesttesttesttesttest", res))
{
printf ("Wrong return value from decrypt block.\n");
ret = 1;
goto error;
}
if (0 != memcmp (res, plain, GNUNET_CRYPTO_AES_KEY_LENGTH))
{
printf ("Decrypted result does not match input.\n");
ret = 1;
}
error:
GNUNET_free_non_null (res);
return ret;
}
int
main (int argc, char *argv[])
{
int failureCount = 0;
GNUNET_log_setup ("test-crypto-aes", "WARNING", NULL);
GNUNET_assert (strlen (INITVALUE) >
sizeof (struct GNUNET_CRYPTO_SymmetricInitializationVector));
failureCount += testSymcipher ();
failureCount += verifyCrypto ();
if (failureCount != 0)
{
printf ("%d TESTS FAILED!\n", failureCount);
return -1;
}
return 0;
}
/* end of test_crypto_aes.c */
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