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// Copyright 2015 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 "net/cert/ct_log_verifier_util.h"
#include <memory>
#include "base/strings/string_util.h"
#include "crypto/secure_hash.h"
#include "crypto/sha2.h"
namespace net::ct::internal {
std::string HashNodes(const std::string& lh, const std::string& rh) {
std::unique_ptr<crypto::SecureHash> hash(
crypto::SecureHash::Create(crypto::SecureHash::SHA256));
hash->Update("\01", 1);
hash->Update(lh.data(), lh.size());
hash->Update(rh.data(), rh.size());
std::string result;
hash->Finish(base::WriteInto(&result, crypto::kSHA256Length + 1),
crypto::kSHA256Length);
return result;
}
} // namespace net::ct::internal
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