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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);
}