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// 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 <base/logging.h>
extern "C" {
#include "third_party/libuweave/src/crypto_hmac.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);
const UwCryptoHmacMsg messages[] = {{data.data(), data.size()}};
CHECK(uw_crypto_hmac_(key.data(), key.size(), messages, arraysize(messages),
mac.data(), mac.size()));
return mac;
}
} // namespace privet
} // namespace weave
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