blob: 21698e6d188b9c49bf8fe107767778fb8fb09b5b [file] [log] [blame]
// Copyright (c) 2013 The Chromium 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 "crypto/hkdf.h"
#include <memory>
#include "base/logging.h"
#include "crypto/hmac.h"
#include "starboard/types.h"
#include "third_party/boringssl/src/include/openssl/digest.h"
#include "third_party/boringssl/src/include/openssl/hkdf.h"
namespace crypto {
std::string HkdfSha256(base::StringPiece secret,
base::StringPiece salt,
base::StringPiece info,
size_t derived_key_size) {
std::string key;
int result = ::HKDF(
reinterpret_cast<uint8_t*>(&key[0]), derived_key_size, EVP_sha256(),
reinterpret_cast<const uint8_t*>(, secret.size(),
reinterpret_cast<const uint8_t*>(, salt.size(),
reinterpret_cast<const uint8_t*>(, info.size());
return key;
} // namespace crypto