/*- * Copyright (c) 2012 The University of Oslo * Copyright (c) 2012 Dag-Erling Smørgrav * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote * products derived from this software without specific prior written * permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include "cryb/impl.h" #include <stdint.h> #include <stdlib.h> #include <string.h> #include <cryb/test.h> #if WITH_OPENSSL #include <openssl/evp.h> #include <openssl/hmac.h> #include <openssl/sha.h> #define HMAC_SHA224_MAC_LEN SHA224_DIGEST_LENGTH static void t_hmac_sha224_complete(const void *key, size_t keylen, const void *msg, size_t msglen, uint8_t *mac) { HMAC_CTX ctx; HMAC_CTX_init(&ctx); HMAC_Init_ex(&ctx, key, keylen, EVP_sha224(), NULL); HMAC_Update(&ctx, msg, msglen); HMAC_Final(&ctx, mac, NULL); HMAC_CTX_cleanup(&ctx); } #else #include <cryb/sha224.h> #include <cryb/hmac.h> #define t_hmac_sha224_complete(key, keylen, msg, msglen, mac) \ hmac_sha224_complete(key, keylen, msg, msglen, mac) #endif /* * Test vectors from NIST CSRC * http://csrc.nist.gov/groups/ST/toolkit/examples.html */ static struct t_vector { const char *desc; const uint8_t *key; size_t keylen; const char *msg; const uint8_t mac[HMAC_SHA224_MAC_LEN]; } t_hmac_sha224_vectors[] = { { "zero-length key, zero-length message", t_zero, 0, "", { 0x5c, 0xe1, 0x4f, 0x72, 0x89, 0x46, 0x62, 0x21, 0x3e, 0x27, 0x48, 0xd2, 0xa6, 0xba, 0x23, 0x4b, 0x74, 0x26, 0x39, 0x10, 0xce, 0xdd, 0xe2, 0xf5, 0xa9, 0x27, 0x15, 0x24, }, }, { "NIST CSRC example 1 (64-byte key)", t_seq8, 64, "Sample message for keylen=blocklen", { 0xc7, 0x40, 0x5e, 0x3a, 0xe0, 0x58, 0xe8, 0xcd, 0x30, 0xb0, 0x8b, 0x41, 0x40, 0x24, 0x85, 0x81, 0xed, 0x17, 0x4c, 0xb3, 0x4e, 0x12, 0x24, 0xbc, 0xc1, 0xef, 0xc8, 0x1b, }, }, { "NIST CSRC example 2 (28-byte key)", t_seq8, 28, "Sample message for keylen<blocklen", { 0xe3, 0xd2, 0x49, 0xa8, 0xcf, 0xb6, 0x7e, 0xf8, 0xb7, 0xa1, 0x69, 0xe9, 0xa0, 0xa5, 0x99, 0x71, 0x4a, 0x2c, 0xec, 0xba, 0x65, 0x99, 0x9a, 0x51, 0xbe, 0xb8, 0xfb, 0xbe, }, }, { "NIST CSRC example 3 (100-byte key)", t_seq8, 100, /* yes, the text should say keylen>blocklen */ "Sample message for keylen=blocklen", { 0x91, 0xc5, 0x25, 0x09, 0xe5, 0xaf, 0x85, 0x31, 0x60, 0x1a, 0xe6, 0x23, 0x00, 0x99, 0xd9, 0x0b, 0xef, 0x88, 0xaa, 0xef, 0xb9, 0x61, 0xf4, 0x08, 0x0a, 0xbc, 0x01, 0x4d, }, }, { "NIST CSRC example 4 (49-byte key)", t_seq8, 49, "Sample message for keylen<blocklen, with truncated tag", { 0xd5, 0x22, 0xf1, 0xdf, 0x59, 0x6c, 0xa4, 0xb4, 0xb1, 0xc2, 0x3d, 0x27, 0xbd, 0xe0, 0x67, 0xd6, 0x15, 0x3b, 0xa9, 0x72, 0x5f, 0xd5, 0xcd, 0xe0, 0xaf, 0x4a, 0x2a, 0x42, }, }, }; /* * Unit test: compute the HMAC signature of the specified string with the * specified key and compare it to the expected result. */ static int t_hmac_sha224_vector(char **desc CRYB_UNUSED, void *arg) { struct t_vector *vector = (struct t_vector *)arg; uint8_t mac[HMAC_SHA224_MAC_LEN]; t_hmac_sha224_complete(vector->key, vector->keylen, (const uint8_t *)vector->msg, strlen(vector->msg), mac); return (t_compare_mem(vector->mac, mac, HMAC_SHA224_MAC_LEN)); } /*************************************************************************** * Boilerplate */ int t_prepare(int argc, char *argv[]) { int i, n; (void)argc; (void)argv; n = sizeof t_hmac_sha224_vectors / sizeof t_hmac_sha224_vectors[0]; for (i = 0; i < n; ++i) t_add_test(t_hmac_sha224_vector, &t_hmac_sha224_vectors[i], t_hmac_sha224_vectors[i].desc); return (0); } void t_cleanup(void) { }