// Copyright 2015 The Weave Authors. All rights reserved. | |
// Use of this source code is governed by a BSD-style license that can be | |
// found in the LICENSE file. | |
#include "src/privet/openssl_utils.h" | |
#include <algorithm> | |
#include <openssl/evp.h> | |
#include <openssl/hmac.h> | |
#include <base/logging.h> | |
namespace weave { | |
namespace privet { | |
std::vector<uint8_t> HmacSha256(const std::vector<uint8_t>& key, | |
const std::vector<uint8_t>& data) { | |
std::vector<uint8_t> mac(kSha256OutputSize); | |
uint32_t len = 0; | |
CHECK(HMAC(EVP_sha256(), key.data(), key.size(), data.data(), data.size(), | |
mac.data(), &len)); | |
CHECK_EQ(len, kSha256OutputSize); | |
return mac; | |
} | |
} // namespace privet | |
} // namespace weave |