void hmac_sha224_init(hmac_sha224_ctx *ctx, unsigned char *key,
unsigned int key_size)
{
unsigned int fill;
unsigned int num;
unsigned char *key_used;
unsigned char key_temp[SHA224_DIGEST_SIZE];
int i;
if (key_size == SHA224_BLOCK_SIZE) {
key_used = key;
num = SHA224_BLOCK_SIZE;
} else {
if (key_size > SHA224_BLOCK_SIZE){
key_used = key_temp;
num = SHA224_DIGEST_SIZE;
sha224(key, key_size, key_used);
} else { /* key_size > SHA224_BLOCK_SIZE */
key_used = key;
num = key_size;
}
fill = SHA224_BLOCK_SIZE - num;
memset(ctx->block_ipad + num, 0x36, fill);
memset(ctx->block_opad + num, 0x5c, fill);
}
for (i = 0; i < num; i++) {
ctx->block_ipad[i] = key_used[i] ^ 0x36;
ctx->block_opad[i] = key_used[i] ^ 0x5c;
}
sha224_init(&ctx->ctx_inside);
sha224_update(&ctx->ctx_inside, ctx->block_ipad, SHA224_BLOCK_SIZE);
sha224_init(&ctx->ctx_outside);
sha224_update(&ctx->ctx_outside, ctx->block_opad,
SHA224_BLOCK_SIZE);
/* for hmac_reinit */
memcpy(&ctx->ctx_inside_reinit, &ctx->ctx_inside,
sizeof(sha224_ctx));
memcpy(&ctx->ctx_outside_reinit, &ctx->ctx_outside,
sizeof(sha224_ctx));
}
void test_sha224() {
const char * tests[4] = {
"", "A", "0123456789", "abcdefghijklmnopqrstuvwxyz"
};
const char * oks[4] = {
"d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f",
"5cfe2cddbb9940fb4d8505e25ea77e763a0077693dbb01b1a6aa94f2",
"f28ad8ecd48ba6f914c114821685ad08f0d6103649ff156599a90426",
"45a5f72c39c5cff2522eb3429799e49e5f44b356ef926bcf390dccc2"
};
uint8_t hash[SHA224_HASH_SIZE];
char string[SHA224_STRING_HASH_SIZE];
int i;
puts("\n\nTesting SHA224...\n");
for (i = 0; i < 4; i++) {
sha224(tests[i], strlen(tests[i]), hash);
sha224_hash_to_string(hash, string);
printf("%s\n%s\n--> %s\n\n", tests[i], string, strcmp(string, oks[i]) == 0 ? "OK" : "FAIL");
}
puts("\nTest done.\n");
}
void HashFunctions::sha224(const std::string &data, unsigned char out_hash[28])
{
sha224(data.data(), data.length(), out_hash);
}
void HashFunctions::sha224(const DataBuffer &data, unsigned char out_hash[28])
{
sha224(data.get_data(), data.get_size(), out_hash);
}
std::string HashFunctions::sha224(const DataBuffer &data, bool uppercase)
{
return sha224(data.get_data(), data.get_size(), uppercase);
}
std::string HashFunctions::sha224(const std::string &data, bool uppercase)
{
return sha224(data.data(), data.length(), uppercase);
}
int main()
{
static const unsigned char *vectors[4][3] =
{ /* SHA-224 */
{
"23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7",
"75388b16512776cc5dba5da1fd890150b0c6455cb4f58b1952522525",
"20794655980c91d8bbb4c1ea97618a4bf03f42581948b2ee4ee7ad67",
},
/* SHA-256 */
{
"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad",
"248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1",
"cdc76e5c9914fb9281a1c7e284d73e67f1809a48a497200e046d39ccc7112cd0",
},
/* SHA-384 */
{
"cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed"
"8086072ba1e7cc2358baeca134c825a7",
"09330c33f71147e83d192fc782cd1b4753111b173b3b05d22fa08086e3b0f712"
"fcc7c71a557e2db966c3e9fa91746039",
"9d0e1809716474cb086e834e310a4a1ced149e9c00f248527972cec5704c2a5b"
"07b8b3dc38ecc4ebae97ddd87f3d8985",
},
/* SHA-512 */
{
"ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a"
"2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f",
"8e959b75dae313da8cf4f72814fc143f8f7779c6eb9f7fa17299aeadb6889018"
"501d289e4900f7e4331b99dec4b5433ac7d329eeb6dd26545e96e55b874be909",
"e718483d0ce769644e2e42c7bc15b4638e1f98b13b2044285632a803afa973eb"
"de0ff244877ea60a4cb0432ce577c31beb009c5c2c49aa2e4eadb217ad8cc09b"
}
};
static const unsigned char message1[] = "abc";
static const unsigned char message2a[] = "abcdbcdecdefdefgefghfghighijhi"
"jkijkljklmklmnlmnomnopnopq";
static const unsigned char message2b[] =
"abcdefghbcdefghicdefghijdefghijkefghij"
"klfghijklmghijklmnhijklmnoijklmnopjklm"
"nopqklmnopqrlmnopqrsmnopqrstnopqrstu";
unsigned char *message3;
unsigned int message3_len = 1000000;
unsigned char digest[SHA512_DIGEST_SIZE];
message3 = malloc(message3_len);
if (message3 == NULL) {
fprintf(stderr, "Can't allocate memory\n");
return -1;
}
memset(message3, 'a', message3_len);
printf("SHA-2 FIPS 180-2 Validation tests\n\n");
printf("SHA-224 Test vectors\n");
sha224(message1, strlen((char *) message1), digest);
test(vectors[0][0], digest, SHA224_DIGEST_SIZE);
sha224(message2a, strlen((char *) message2a), digest);
test(vectors[0][1], digest, SHA224_DIGEST_SIZE);
sha224(message3, message3_len, digest);
test(vectors[0][2], digest, SHA224_DIGEST_SIZE);
printf("\n");
printf("SHA-256 Test vectors\n");
sha256(message1, strlen((char *) message1), digest);
test(vectors[1][0], digest, SHA256_DIGEST_SIZE);
sha256(message2a, strlen((char *) message2a), digest);
test(vectors[1][1], digest, SHA256_DIGEST_SIZE);
sha256(message3, message3_len, digest);
test(vectors[1][2], digest, SHA256_DIGEST_SIZE);
printf("\n");
printf("SHA-384 Test vectors\n");
sha384(message1, strlen((char *) message1), digest);
test(vectors[2][0], digest, SHA384_DIGEST_SIZE);
sha384(message2b, strlen((char *) message2b), digest);
test(vectors[2][1], digest, SHA384_DIGEST_SIZE);
sha384(message3, message3_len, digest);
test(vectors[2][2], digest, SHA384_DIGEST_SIZE);
printf("\n");
printf("SHA-512 Test vectors\n");
sha512(message1, strlen((char *) message1), digest);
test(vectors[3][0], digest, SHA512_DIGEST_SIZE);
sha512(message2b, strlen((char *) message2b), digest);
test(vectors[3][1], digest, SHA512_DIGEST_SIZE);
sha512(message3, message3_len, digest);
test(vectors[3][2], digest, SHA512_DIGEST_SIZE);
printf("\n");
printf("All tests passed.\n");
return 0;
}