chromium/device/fido/authenticator_data.cc

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "device/fido/authenticator_data.h"

#include <utility>

#include "base/strings/string_number_conversions.h"
#include "components/cbor/diagnostic_writer.h"
#include "components/cbor/reader.h"
#include "components/cbor/writer.h"
#include "components/device_event_log/device_event_log.h"
#include "device/fido/attested_credential_data.h"
#include "device/fido/fido_parsing_utils.h"

namespace device {

namespace {

constexpr size_t kAttestedCredentialDataOffset = …;

uint8_t AuthenticatorDataFlags(bool user_present,
                               bool user_verified,
                               bool backup_eligible,
                               bool backup_state,
                               bool has_attested_credential_data,
                               bool has_extension_data) { … }

uint8_t CombineAuthenticatorDataFlags(
    base::span<const AuthenticatorData::Flag> flags) { … }

inline std::array<uint8_t, kSignCounterLength> MarshalSignCounter(
    uint32_t sign_counter) { … }

}  // namespace

// static
std::optional<AuthenticatorData> AuthenticatorData::DecodeAuthenticatorData(
    base::span<const uint8_t> auth_data) { … }

AuthenticatorData::AuthenticatorData(
    base::span<const uint8_t, kRpIdHashLength> rp_id_hash,
    uint8_t flags,
    base::span<const uint8_t, kSignCounterLength> counter,
    std::optional<AttestedCredentialData> data,
    std::optional<cbor::Value> extensions)
    : … { … }

AuthenticatorData::AuthenticatorData(
    base::span<const uint8_t, kRpIdHashLength> rp_id_hash,
    std::initializer_list<Flag> flags,
    uint32_t sign_counter,
    std::optional<AttestedCredentialData> data,
    std::optional<cbor::Value> extensions)
    : … { … }

AuthenticatorData::AuthenticatorData(
    base::span<const uint8_t, kRpIdHashLength> rp_id_hash,
    bool user_present,
    bool user_verified,
    bool backup_eligible,
    bool backup_state,
    uint32_t sign_counter,
    std::optional<AttestedCredentialData> attested_credential_data,
    std::optional<cbor::Value> extensions)
    : … { … }

AuthenticatorData::AuthenticatorData(AuthenticatorData&& other) = default;
AuthenticatorData& AuthenticatorData::operator=(AuthenticatorData&& other) =
    default;

AuthenticatorData::~AuthenticatorData() = default;

bool AuthenticatorData::DeleteDeviceAaguid() { … }

bool AuthenticatorData::EraseExtension(std::string_view name) { … }

std::vector<uint8_t> AuthenticatorData::SerializeToByteArray() const { … }

std::vector<uint8_t> AuthenticatorData::GetCredentialId() const { … }

void AuthenticatorData::ValidateAuthenticatorDataStateOrCrash() { … }

}  // namespace device