chromium/device/fido/fido_parsing_utils.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.

#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/351564777): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif

#include "device/fido/fido_parsing_utils.h"

#include "base/check_op.h"
#include "base/numerics/safe_conversions.h"
#include "base/strings/stringprintf.h"

namespace device {
namespace fido_parsing_utils {

namespace {

constexpr bool AreSpansDisjoint(base::span<const uint8_t> lhs,
                                base::span<const uint8_t> rhs) { … }

}  // namespace

const char kEs256[] = …;

std::vector<uint8_t> Materialize(base::span<const uint8_t> span) { … }

std::optional<std::vector<uint8_t>> MaterializeOrNull(
    std::optional<base::span<const uint8_t>> span) { … }

void Append(std::vector<uint8_t>* target, base::span<const uint8_t> in_values) { … }

std::vector<uint8_t> Extract(base::span<const uint8_t> span,
                             size_t pos,
                             size_t length) { … }

base::span<const uint8_t> ExtractSpan(base::span<const uint8_t> span,
                                      size_t pos,
                                      size_t length) { … }

std::vector<uint8_t> ExtractSuffix(base::span<const uint8_t> span, size_t pos) { … }

base::span<const uint8_t> ExtractSuffixSpan(base::span<const uint8_t> span,
                                            size_t pos) { … }

std::vector<base::span<const uint8_t>> SplitSpan(base::span<const uint8_t> span,
                                                 size_t max_chunk_size) { … }

std::array<uint8_t, crypto::kSHA256Length> CreateSHA256Hash(
    std::string_view data) { … }

std::string_view ConvertToStringView(base::span<const uint8_t> data) { … }

std::string ConvertBytesToUuid(base::span<const uint8_t, 16> bytes) { … }

}  // namespace fido_parsing_utils
}  // namespace device