chromium/crypto/symmetric_key.cc

// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "crypto/symmetric_key.h"

#include <stddef.h>
#include <stdint.h>

#include <algorithm>
#include <utility>

#include "base/check_op.h"
#include "base/notreached.h"
#include "crypto/openssl_util.h"
#include "third_party/boringssl/src/include/openssl/evp.h"
#include "third_party/boringssl/src/include/openssl/rand.h"

namespace crypto {

namespace {

bool CheckDerivationParameters(SymmetricKey::Algorithm algorithm,
                               size_t key_size_in_bits) { … }

}  // namespace

SymmetricKey::~SymmetricKey() { … }

// static
std::unique_ptr<SymmetricKey> SymmetricKey::GenerateRandomKey(
    Algorithm algorithm,
    size_t key_size_in_bits) { … }

// static
std::unique_ptr<SymmetricKey> SymmetricKey::DeriveKeyFromPasswordUsingPbkdf2(
    Algorithm algorithm,
    const std::string& password,
    const std::string& salt,
    size_t iterations,
    size_t key_size_in_bits) { … }

// static
std::unique_ptr<SymmetricKey> SymmetricKey::DeriveKeyFromPasswordUsingScrypt(
    Algorithm algorithm,
    const std::string& password,
    const std::string& salt,
    size_t cost_parameter,
    size_t block_size,
    size_t parallelization_parameter,
    size_t max_memory_bytes,
    size_t key_size_in_bits) { … }

// static
std::unique_ptr<SymmetricKey> SymmetricKey::Import(Algorithm algorithm,
                                                   const std::string& raw_key) { … }

SymmetricKey::SymmetricKey() = default;

}  // namespace crypto