chromium/components/client_update_protocol/ecdsa.cc

// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/client_update_protocol/ecdsa.h"

#include <stdint.h>

#include "base/base64url.h"
#include "base/logging.h"
#include "base/memory/ptr_util.h"
#include "base/ranges/algorithm.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "crypto/random.h"
#include "crypto/sha2.h"
#include "crypto/signature_verifier.h"

namespace client_update_protocol {

namespace {

std::vector<uint8_t> SHA256HashStr(const std::string_view& str) { … }

std::vector<uint8_t> SHA256HashVec(const std::vector<uint8_t>& vec) { … }

bool ParseETagHeader(const std::string_view& etag_header_value_in,
                     std::vector<uint8_t>* ecdsa_signature_out,
                     std::vector<uint8_t>* request_hash_out) { … }

}  // namespace

Ecdsa::Ecdsa(int key_version, const std::string_view& public_key)
    : … { … }

Ecdsa::~Ecdsa() = default;

std::unique_ptr<Ecdsa> Ecdsa::Create(int key_version,
                                     const std::string_view& public_key) { … }

void Ecdsa::OverrideNonceForTesting(int key_version, uint32_t nonce) { … }

void Ecdsa::SignRequest(const std::string_view& request_body,
                        std::string* query_params) { … }

Ecdsa::RequestParameters Ecdsa::SignRequest(
    const std::string_view& request_body) { … }

bool Ecdsa::ValidateResponse(const std::string_view& response_body,
                             const std::string_view& server_etag) { … }

}  // namespace client_update_protocol