crypto_key.cc | Explore in Territory

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/351564777): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif

#include "third_party/blink/renderer/modules/crypto/crypto_key.h"

#include "base/numerics/safe_conversions.h"
#include "third_party/blink/public/platform/web_crypto_algorithm_params.h"
#include "third_party/blink/public/platform/web_crypto_key_algorithm.h"
#include "third_party/blink/public/platform/web_string.h"
#include "third_party/blink/renderer/bindings/core/v8/to_v8_traits.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_object_builder.h"
#include "third_party/blink/renderer/core/typed_arrays/dom_typed_array.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
#include "third_party/blink/renderer/platform/crypto_result.h"

namespace blink {

namespace {

const char* KeyTypeToString(WebCryptoKeyType type) { … }

struct KeyUsageMapping { … };

// The order of this array is the same order that will appear in
// CryptoKey.usages. It must be kept ordered as described by the Web Crypto
// spec.
const KeyUsageMapping kKeyUsageMappings[] = …;

static_assert …;

const char* KeyUsageToString(WebCryptoKeyUsage usage) { … }

WebCryptoKeyUsageMask KeyUsageStringToMask(const String& usage_string) { … }

class DictionaryBuilder : public WebCryptoKeyAlgorithmDictionary { … };

}  // namespace

CryptoKey::~CryptoKey() = default;

CryptoKey::CryptoKey(const WebCryptoKey& key) : … { … }

String CryptoKey::type() const { … }

bool CryptoKey::extractable() const { … }

ScriptValue CryptoKey::algorithm(ScriptState* script_state) { … }

// FIXME: This creates a new javascript array each time. What should happen
//        instead is return the same (immutable) array. (Javascript callers can
//        distinguish this by doing an == test on the arrays and seeing they are
//        different).
ScriptValue CryptoKey::usages(ScriptState* script_state) { … }

bool CryptoKey::CanBeUsedForAlgorithm(const WebCryptoAlgorithm& algorithm,
                                      WebCryptoKeyUsage usage,
                                      CryptoResult* result) const { … }

bool CryptoKey::ParseFormat(const String& format_string,
                            WebCryptoKeyFormat& format,
                            ExceptionState& exception_state) { … }

bool CryptoKey::ParseUsageMask(const Vector<String>& usages,
                               WebCryptoKeyUsageMask& mask,
                               ExceptionState& exception_state) { … }

}  // namespace blink
chromium/third_party/blink/renderer/modules/crypto/crypto_key.cc
