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- /* Copyright (c) 2017, Google Inc.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
-
- // cavp_hmac_test processes a NIST CAVP HMAC test vector request file and emits
- // the corresponding response.
-
- #include <stdlib.h>
-
- #include <openssl/crypto.h>
- #include <openssl/hmac.h>
-
- #include "../crypto/test/file_test.h"
- #include "cavp_test_util.h"
-
-
- static bool TestHMAC(FileTest *t, void *arg) {
- std::string md_len_str;
- if (!t->GetInstruction(&md_len_str, "L")) {
- return false;
- }
- const size_t md_len = strtoul(md_len_str.c_str(), nullptr, 0);
-
- const EVP_MD *md;
- switch (md_len) {
- case 20:
- md = EVP_sha1();
- break;
- case 28:
- md = EVP_sha224();
- break;
- case 32:
- md = EVP_sha256();
- break;
- case 48:
- md = EVP_sha384();
- break;
- case 64:
- md = EVP_sha512();
- break;
- default:
- return false;
- }
-
- std::string count_str, k_len_str, t_len_str;
- std::vector<uint8_t> key, msg;
- if (!t->GetAttribute(&count_str, "Count") ||
- !t->GetAttribute(&k_len_str, "Klen") ||
- !t->GetAttribute(&t_len_str, "Tlen") ||
- !t->GetBytes(&key, "Key") ||
- !t->GetBytes(&msg, "Msg")) {
- return false;
- }
-
- size_t k_len = strtoul(k_len_str.c_str(), nullptr, 0);
- size_t t_len = strtoul(t_len_str.c_str(), nullptr, 0);
- if (key.size() < k_len) {
- return false;
- }
- unsigned out_len;
- uint8_t out[EVP_MAX_MD_SIZE];
- if (HMAC(md, key.data(), k_len, msg.data(), msg.size(), out, &out_len) ==
- NULL) {
- return false;
- }
-
- if (out_len < t_len) {
- return false;
- }
-
- printf("%s", t->CurrentTestToString().c_str());
- printf("Mac = %s\r\n\r\n", EncodeHex(out, t_len).c_str());
-
- return true;
- }
-
- static int usage(char *arg) {
- fprintf(stderr, "usage: %s <test file>\n", arg);
- return 1;
- }
-
- int cavp_hmac_test_main(int argc, char **argv) {
- if (argc != 2) {
- return usage(argv[0]);
- }
-
- FileTest::Options opts;
- opts.path = argv[1];
- opts.callback = TestHMAC;
- opts.silent = true;
- opts.comment_callback = EchoComment;
- return FileTestMain(opts);
- }
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