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- /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * 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 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. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``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.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.] */
-
- #include <stdio.h>
- #include <string.h>
-
- #include <memory>
- #include <string>
- #include <vector>
-
- #include <openssl/crypto.h>
- #include <openssl/digest.h>
- #include <openssl/hmac.h>
-
- #include "../test/file_test.h"
-
- namespace bssl {
-
- static const EVP_MD *GetDigest(const std::string &name) {
- if (name == "MD5") {
- return EVP_md5();
- } else if (name == "SHA1") {
- return EVP_sha1();
- } else if (name == "SHA224") {
- return EVP_sha224();
- } else if (name == "SHA256") {
- return EVP_sha256();
- } else if (name == "SHA384") {
- return EVP_sha384();
- } else if (name == "SHA512") {
- return EVP_sha512();
- }
- return nullptr;
- }
-
- static bool TestHMAC(FileTest *t, void *arg) {
- std::string digest_str;
- if (!t->GetAttribute(&digest_str, "HMAC")) {
- return false;
- }
- const EVP_MD *digest = GetDigest(digest_str);
- if (digest == nullptr) {
- t->PrintLine("Unknown digest '%s'", digest_str.c_str());
- return false;
- }
-
- std::vector<uint8_t> key, input, output;
- if (!t->GetBytes(&key, "Key") ||
- !t->GetBytes(&input, "Input") ||
- !t->GetBytes(&output, "Output")) {
- return false;
- }
-
- // Test using the one-shot API.
- unsigned expected_mac_len = EVP_MD_size(digest);
- std::unique_ptr<uint8_t[]> mac(new uint8_t[expected_mac_len]);
- unsigned mac_len;
- if (nullptr == HMAC(digest, key.data(), key.size(), input.data(),
- input.size(), mac.get(), &mac_len) ||
- mac_len != expected_mac_len ||
- !t->ExpectBytesEqual(output.data(), output.size(), mac.get(), mac_len)) {
- t->PrintLine("One-shot API failed.");
- return false;
- }
-
- // Test using HMAC_CTX.
- ScopedHMAC_CTX ctx;
- if (!HMAC_Init_ex(ctx.get(), key.data(), key.size(), digest, nullptr) ||
- !HMAC_Update(ctx.get(), input.data(), input.size()) ||
- !HMAC_Final(ctx.get(), mac.get(), &mac_len) ||
- mac_len != expected_mac_len ||
- !t->ExpectBytesEqual(output.data(), output.size(), mac.get(), mac_len)) {
- t->PrintLine("HMAC_CTX failed.");
- return false;
- }
-
- // Test that an HMAC_CTX may be reset with the same key.
- if (!HMAC_Init_ex(ctx.get(), nullptr, 0, digest, nullptr) ||
- !HMAC_Update(ctx.get(), input.data(), input.size()) ||
- !HMAC_Final(ctx.get(), mac.get(), &mac_len) ||
- mac_len != expected_mac_len ||
- !t->ExpectBytesEqual(output.data(), output.size(), mac.get(), mac_len)) {
- t->PrintLine("HMAC_CTX with reset failed.");
- return false;
- }
-
- // Test feeding the input in byte by byte.
- if (!HMAC_Init_ex(ctx.get(), nullptr, 0, nullptr, nullptr)) {
- t->PrintLine("HMAC_CTX streaming failed.");
- return false;
- }
- for (size_t i = 0; i < input.size(); i++) {
- if (!HMAC_Update(ctx.get(), &input[i], 1)) {
- t->PrintLine("HMAC_CTX streaming failed.");
- return false;
- }
- }
- if (!HMAC_Final(ctx.get(), mac.get(), &mac_len) ||
- mac_len != expected_mac_len ||
- !t->ExpectBytesEqual(output.data(), output.size(), mac.get(), mac_len)) {
- t->PrintLine("HMAC_CTX streaming failed.");
- return false;
- }
-
- return true;
- }
-
- static int Main(int argc, char *argv[]) {
- CRYPTO_library_init();
-
- if (argc != 2) {
- fprintf(stderr, "%s <test file.txt>\n", argv[0]);
- return 1;
- }
-
- return FileTestMain(TestHMAC, nullptr, argv[1]);
- }
-
- } // namespace bssl
-
- int main(int argc, char **argv) {
- return bssl::Main(argc, argv);
- }
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