subtle_crypto.cc | Explore in Territory

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
 *
 * 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
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

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

#include "base/check_deref.h"
#include "base/task/single_thread_task_runner.h"
#include "third_party/blink/public/platform/platform.h"
#include "third_party/blink/public/platform/task_type.h"
#include "third_party/blink/public/platform/web_crypto.h"
#include "third_party/blink/public/platform/web_crypto_algorithm.h"
#include "third_party/blink/public/platform/web_crypto_algorithm_params.h"
#include "third_party/blink/public/web/web_crypto_histograms.h"
#include "third_party/blink/renderer/bindings/core/v8/dictionary.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise_resolver.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_json_web_key.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_union_arraybuffer_arraybufferview_jsonwebkey.h"
#include "third_party/blink/renderer/core/execution_context/execution_context.h"
#include "third_party/blink/renderer/core/typed_arrays/dom_array_buffer.h"
#include "third_party/blink/renderer/core/typed_arrays/dom_array_buffer_view.h"
#include "third_party/blink/renderer/core/typed_arrays/dom_array_piece.h"
#include "third_party/blink/renderer/modules/crypto/crypto_key.h"
#include "third_party/blink/renderer/modules/crypto/crypto_result_impl.h"
#include "third_party/blink/renderer/modules/crypto/crypto_utilities.h"
#include "third_party/blink/renderer/modules/crypto/normalize_algorithm.h"
#include "third_party/blink/renderer/platform/json/json_values.h"

namespace blink {

namespace {

// Parses a JsonWebKey dictionary. On success writes the result to
// |jsonUtf8| as a UTF8-encoded JSON octet string and returns true.
// On failure sets an error on |result| and returns false.
//
// Note: The choice of output as an octet string is to facilitate interop
// with the non-JWK formats, but does mean there is a second parsing step.
// This design choice should be revisited after crbug.com/614385).
bool ParseJsonWebKey(const JsonWebKey& key, WebVector<uint8_t>& json_utf8) { … }

}  // namespace

SubtleCrypto::SubtleCrypto() = default;

ScriptPromise<IDLAny> SubtleCrypto::encrypt(
    ScriptState* script_state,
    const V8AlgorithmIdentifier* raw_algorithm,
    CryptoKey* key,
    const V8BufferSource* raw_data,
    ExceptionState& exception_state) { … }

ScriptPromise<IDLAny> SubtleCrypto::decrypt(
    ScriptState* script_state,
    const V8AlgorithmIdentifier* raw_algorithm,
    CryptoKey* key,
    const V8BufferSource* raw_data,
    ExceptionState& exception_state) { … }

ScriptPromise<IDLAny> SubtleCrypto::sign(
    ScriptState* script_state,
    const V8AlgorithmIdentifier* raw_algorithm,
    CryptoKey* key,
    const V8BufferSource* raw_data,
    ExceptionState& exception_state) { … }

ScriptPromise<IDLAny> SubtleCrypto::verifySignature(
    ScriptState* script_state,
    const V8AlgorithmIdentifier* raw_algorithm,
    CryptoKey* key,
    const V8BufferSource* raw_signature,
    const V8BufferSource* raw_data,
    ExceptionState& exception_state) { … }

ScriptPromise<IDLAny> SubtleCrypto::digest(
    ScriptState* script_state,
    const V8AlgorithmIdentifier* raw_algorithm,
    const V8BufferSource* raw_data,
    ExceptionState& exception_state) { … }

ScriptPromise<IDLAny> SubtleCrypto::generateKey(
    ScriptState* script_state,
    const V8AlgorithmIdentifier* raw_algorithm,
    bool extractable,
    const Vector<String>& raw_key_usages,
    ExceptionState& exception_state) { … }

ScriptPromise<CryptoKey> SubtleCrypto::importKey(
    ScriptState* script_state,
    const String& raw_format,
    const V8UnionBufferSourceOrJsonWebKey* raw_key_data,
    const V8AlgorithmIdentifier* raw_algorithm,
    bool extractable,
    const Vector<String>& raw_key_usages,
    ExceptionState& exception_state) { … }

ScriptPromise<IDLAny> SubtleCrypto::exportKey(ScriptState* script_state,
                                              const String& raw_format,
                                              CryptoKey* key,
                                              ExceptionState& exception_state) { … }

ScriptPromise<IDLAny> SubtleCrypto::wrapKey(
    ScriptState* script_state,
    const String& raw_format,
    CryptoKey* key,
    CryptoKey* wrapping_key,
    const V8AlgorithmIdentifier* raw_wrap_algorithm,
    ExceptionState& exception_state) { … }

ScriptPromise<CryptoKey> SubtleCrypto::unwrapKey(
    ScriptState* script_state,
    const String& raw_format,
    const V8BufferSource* raw_wrapped_key,
    CryptoKey* unwrapping_key,
    const V8AlgorithmIdentifier* raw_unwrap_algorithm,
    const V8AlgorithmIdentifier* raw_unwrapped_key_algorithm,
    bool extractable,
    const Vector<String>& raw_key_usages,
    ExceptionState& exception_state) { … }

ScriptPromise<DOMArrayBuffer> SubtleCrypto::deriveBits(
    ScriptState* script_state,
    const V8AlgorithmIdentifier* raw_algorithm,
    CryptoKey* base_key,
    std::optional<unsigned> length_bits,
    ExceptionState& exception_state) { … }

ScriptPromise<IDLAny> SubtleCrypto::deriveKey(
    ScriptState* script_state,
    const V8AlgorithmIdentifier* raw_algorithm,
    CryptoKey* base_key,
    const V8AlgorithmIdentifier* raw_derived_key_type,
    bool extractable,
    const Vector<String>& raw_key_usages,
    ExceptionState& exception_state) { … }

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