void omac_gen(void)
{
#ifdef LTC_OMAC
unsigned char key[MAXBLOCKSIZE], output[MAXBLOCKSIZE], input[MAXBLOCKSIZE*2+2];
int err, x, y, z, kl;
FILE *out;
unsigned long len;
out = fopen("omac_tv.txt", "w");
fprintf(out,
"OMAC Tests. In these tests messages of N bytes long (00,01,02,...,NN-1) are OMAC'ed. The initial key is\n"
"of the same format (length specified per cipher). The OMAC key in step N+1 is the OMAC output of\n"
"step N (repeated as required to fill the array).\n\n");
for (x = 0; cipher_descriptor[x].name != NULL; x++) {
kl = cipher_descriptor[x].block_length;
/* skip ciphers which do not have 64 or 128 bit block sizes */
if (kl != 8 && kl != 16) continue;
if (cipher_descriptor[x].keysize(&kl) != CRYPT_OK) {
kl = cipher_descriptor[x].max_key_length;
}
fprintf(out, "OMAC-%s (%d byte key)\n", cipher_descriptor[x].name, kl);
/* initial key/block */
for (y = 0; y < kl; y++) {
key[y] = (y & 255);
}
for (y = 0; y <= (int)(cipher_descriptor[x].block_length*2); y++) {
for (z = 0; z < y; z++) {
input[z] = (unsigned char)(z & 255);
}
len = sizeof(output);
if ((err = omac_memory(x, key, kl, input, y, output, &len)) != CRYPT_OK) {
printf("Error omacing: %s\n", error_to_string(err));
exit(EXIT_FAILURE);
}
fprintf(out, "%3d: ", y);
for (z = 0; z <(int)len; z++) {
fprintf(out, "%02X", output[z]);
}
fprintf(out, "\n");
/* forward the key */
for (z = 0; z < kl; z++) {
key[z] = output[z % len];
}
}
fprintf(out, "\n");
}
fclose(out);
#endif
}
/**
Test the OMAC setup
@return CRYPT_OK if successful, CRYPT_NOP if tests have been disabled
*/
int omac_test(void)
{
#if !defined(LTC_TEST)
return CRYPT_NOP;
#else
static const struct {
int keylen, msglen;
unsigned char key[16], msg[64], tag[16];
} tests[] = {
{ 16, 0,
{ 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6,
0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c },
{ 0x00 },
{ 0xbb, 0x1d, 0x69, 0x29, 0xe9, 0x59, 0x37, 0x28,
0x7f, 0xa3, 0x7d, 0x12, 0x9b, 0x75, 0x67, 0x46 }
},
{ 16, 16,
{ 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6,
0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c },
{ 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a },
{ 0x07, 0x0a, 0x16, 0xb4, 0x6b, 0x4d, 0x41, 0x44,
0xf7, 0x9b, 0xdd, 0x9d, 0xd0, 0x4a, 0x28, 0x7c }
},
{ 16, 40,
{ 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6,
0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c },
{ 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c,
0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11 },
{ 0xdf, 0xa6, 0x67, 0x47, 0xde, 0x9a, 0xe6, 0x30,
0x30, 0xca, 0x32, 0x61, 0x14, 0x97, 0xc8, 0x27 }
},
{ 16, 64,
{ 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6,
0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c },
{ 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c,
0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11,
0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17,
0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10 },
{ 0x51, 0xf0, 0xbe, 0xbf, 0x7e, 0x3b, 0x9d, 0x92,
0xfc, 0x49, 0x74, 0x17, 0x79, 0x36, 0x3c, 0xfe }
}
};
unsigned char out[16];
int x, err, idx;
unsigned long len;
/* AES can be under rijndael or aes... try to find it */
if ((idx = find_cipher("aes")) == -1) {
if ((idx = find_cipher("rijndael")) == -1) {
return CRYPT_NOP;
}
}
for (x = 0; x < (int)(sizeof(tests)/sizeof(tests[0])); x++) {
len = sizeof(out);
if ((err = omac_memory(idx, tests[x].key, tests[x].keylen, tests[x].msg, tests[x].msglen, out, &len)) != CRYPT_OK) {
return err;
}
if (memcmp(out, tests[x].tag, 16) != 0) {
#if 0
int y;
printf("\n\nTag: ");
for (y = 0; y < 16; y++) printf("%02x", out[y]); printf("\n\n");
#endif
return CRYPT_FAIL_TESTVECTOR;
}
}
return CRYPT_OK;
#endif
}
int multi_test(void)
{
unsigned char key[32] = { 0 };
unsigned char buf[2][MAXBLOCKSIZE];
unsigned long len, len2;
/* register algos */
register_hash(&sha256_desc);
register_cipher(&aes_desc);
/* HASH testing */
len = sizeof(buf[0]);
hash_memory(find_hash("sha256"), (unsigned char*)"hello", 5, buf[0], &len);
len2 = sizeof(buf[0]);
hash_memory_multi(find_hash("sha256"), buf[1], &len2, (unsigned char*)"hello", 5, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return CRYPT_FAIL_TESTVECTOR;
}
len2 = sizeof(buf[0]);
hash_memory_multi(find_hash("sha256"), buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL, 0);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return CRYPT_FAIL_TESTVECTOR;
}
len2 = sizeof(buf[0]);
hash_memory_multi(find_hash("sha256"), buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return CRYPT_FAIL_TESTVECTOR;
}
#ifdef LTC_HMAC
len = sizeof(buf[0]);
hmac_memory(find_hash("sha256"), key, 16, (unsigned char*)"hello", 5, buf[0], &len);
len2 = sizeof(buf[0]);
hmac_memory_multi(find_hash("sha256"), key, 16, buf[1], &len2, (unsigned char*)"hello", 5UL, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return CRYPT_FAIL_TESTVECTOR;
}
len2 = sizeof(buf[0]);
hmac_memory_multi(find_hash("sha256"), key, 16, buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return CRYPT_FAIL_TESTVECTOR;
}
len2 = sizeof(buf[0]);
hmac_memory_multi(find_hash("sha256"), key, 16, buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return CRYPT_FAIL_TESTVECTOR;
}
#endif
#ifdef LTC_OMAC
len = sizeof(buf[0]);
omac_memory(find_cipher("aes"), key, 16, (unsigned char*)"hello", 5, buf[0], &len);
len2 = sizeof(buf[0]);
omac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"hello", 5UL, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return CRYPT_FAIL_TESTVECTOR;
}
len2 = sizeof(buf[0]);
omac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return CRYPT_FAIL_TESTVECTOR;
}
len2 = sizeof(buf[0]);
omac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return CRYPT_FAIL_TESTVECTOR;
}
#endif
#ifdef LTC_PMAC
len = sizeof(buf[0]);
pmac_memory(find_cipher("aes"), key, 16, (unsigned char*)"hello", 5, buf[0], &len);
len2 = sizeof(buf[0]);
pmac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"hello", 5, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return CRYPT_FAIL_TESTVECTOR;
}
len2 = sizeof(buf[0]);
pmac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return CRYPT_FAIL_TESTVECTOR;
}
len2 = sizeof(buf[0]);
pmac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return CRYPT_FAIL_TESTVECTOR;
}
#endif
#ifdef LTC_XCBC
len = sizeof(buf[0]);
xcbc_memory(find_cipher("aes"), key, 16, (unsigned char*)"hello", 5, buf[0], &len);
len2 = sizeof(buf[0]);
xcbc_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"hello", 5, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return CRYPT_FAIL_TESTVECTOR;
}
len2 = sizeof(buf[0]);
xcbc_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return CRYPT_FAIL_TESTVECTOR;
}
len2 = sizeof(buf[0]);
xcbc_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return CRYPT_FAIL_TESTVECTOR;
}
#endif
#ifdef LTC_F9
len = sizeof(buf[0]);
f9_memory(find_cipher("aes"), key, 16, (unsigned char*)"hello", 5, buf[0], &len);
len2 = sizeof(buf[0]);
f9_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"hello", 5, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return CRYPT_FAIL_TESTVECTOR;
}
len2 = sizeof(buf[0]);
f9_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return CRYPT_FAIL_TESTVECTOR;
}
len2 = sizeof(buf[0]);
f9_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return CRYPT_FAIL_TESTVECTOR;
}
#endif
#ifdef LTC_PELICAN
/* TODO: there is no pelican_memory_multi(..) */
#endif
#ifdef LTC_POLY1305
len = sizeof(buf[0]);
poly1305_memory(key, 32, (unsigned char*)"hello", 5, buf[0], &len);
len2 = sizeof(buf[0]);
poly1305_memory_multi(key, 32, buf[1], &len2, (unsigned char*)"hello", 5, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return CRYPT_FAIL_TESTVECTOR;
}
len2 = sizeof(buf[0]);
poly1305_memory_multi(key, 32, buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return CRYPT_FAIL_TESTVECTOR;
}
len2 = sizeof(buf[0]);
poly1305_memory_multi(key, 32, buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return CRYPT_FAIL_TESTVECTOR;
}
#endif
#ifdef LTC_BLAKE2SMAC
len = 32;
blake2smac_memory(key, 16, (unsigned char*)"hello", 5, buf[0], &len);
len2 = 32;
blake2smac_memory_multi(key, 16, buf[1], &len2, (unsigned char*)"hello", 5, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return CRYPT_FAIL_TESTVECTOR;
}
len2 = 32;
blake2smac_memory_multi(key, 16, buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return CRYPT_FAIL_TESTVECTOR;
}
len2 = 32;
blake2smac_memory_multi(key, 16, buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return CRYPT_FAIL_TESTVECTOR;
}
#endif
#ifdef LTC_BLAKE2BMAC
len = 64;
blake2bmac_memory(key, 16, (unsigned char*)"hello", 5, buf[0], &len);
len2 = 64;
blake2bmac_memory_multi(key, 16, buf[1], &len2, (unsigned char*)"hello", 5, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return CRYPT_FAIL_TESTVECTOR;
}
len2 = 64;
blake2bmac_memory_multi(key, 16, buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return CRYPT_FAIL_TESTVECTOR;
}
len2 = 64;
blake2bmac_memory_multi(key, 16, buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return CRYPT_FAIL_TESTVECTOR;
}
#endif
return CRYPT_OK;
}
int main(void)
{
unsigned char key[16], buf[2][MAXBLOCKSIZE];
unsigned long len, len2;
/* register algos */
register_hash(&sha256_desc);
register_cipher(&aes_desc);
/* HASH testing */
len = sizeof(buf[0]);
hash_memory(find_hash("sha256"), (unsigned char*)"hello", 5, buf[0], &len);
len2 = sizeof(buf[0]);
hash_memory_multi(find_hash("sha256"), buf[1], &len2, (unsigned char*)"hello", 5, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return EXIT_FAILURE;
}
len2 = sizeof(buf[0]);
hash_memory_multi(find_hash("sha256"), buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL, 0);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return EXIT_FAILURE;
}
len2 = sizeof(buf[0]);
hash_memory_multi(find_hash("sha256"), buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return EXIT_FAILURE;
}
/* LTC_HMAC */
len = sizeof(buf[0]);
hmac_memory(find_hash("sha256"), key, 16, (unsigned char*)"hello", 5, buf[0], &len);
len2 = sizeof(buf[0]);
hmac_memory_multi(find_hash("sha256"), key, 16, buf[1], &len2, (unsigned char*)"hello", 5UL, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return EXIT_FAILURE;
}
len2 = sizeof(buf[0]);
hmac_memory_multi(find_hash("sha256"), key, 16, buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return EXIT_FAILURE;
}
len2 = sizeof(buf[0]);
hmac_memory_multi(find_hash("sha256"), key, 16, buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return EXIT_FAILURE;
}
/* LTC_OMAC */
len = sizeof(buf[0]);
omac_memory(find_cipher("aes"), key, 16, (unsigned char*)"hello", 5, buf[0], &len);
len2 = sizeof(buf[0]);
omac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"hello", 5UL, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return EXIT_FAILURE;
}
len2 = sizeof(buf[0]);
omac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return EXIT_FAILURE;
}
len2 = sizeof(buf[0]);
omac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return EXIT_FAILURE;
}
/* PMAC */
len = sizeof(buf[0]);
pmac_memory(find_cipher("aes"), key, 16, (unsigned char*)"hello", 5, buf[0], &len);
len2 = sizeof(buf[0]);
pmac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"hello", 5, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return EXIT_FAILURE;
}
len2 = sizeof(buf[0]);
pmac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return EXIT_FAILURE;
}
len2 = sizeof(buf[0]);
pmac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL);
if (len != len2 || memcmp(buf[0], buf[1], len)) {
printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
return EXIT_FAILURE;
}
printf("All passed\n");
return EXIT_SUCCESS;
}