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// Copyright 2016 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/tools/transport_security_state_generator/spki_hash.h"
#include <string>
#include "base/base64.h"
#include "base/strings/string_util.h"
#include "third_party/boringssl/src/include/openssl/sha.h"
namespace net::transport_security_state {
SPKIHash::SPKIHash() = default;
SPKIHash::~SPKIHash() = default;
bool SPKIHash::FromString(base::StringPiece hash_string) {
base::StringPiece base64_string;
if (!base::StartsWith(hash_string, "sha256/",
base::CompareCase::INSENSITIVE_ASCII)) {
return false;
}
base64_string = hash_string.substr(7);
std::string decoded;
if (!base::Base64Decode(base64_string, &decoded)) {
return false;
}
if (decoded.size() != size()) {
return false;
}
memcpy(data_, decoded.data(), decoded.size());
return true;
}
void SPKIHash::CalculateFromBytes(const uint8_t* input, size_t input_length) {
SHA256(input, input_length, data_);
}
} // namespace net::transport_security_state
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