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Add Web Crypto API (#1384)
* Add Web Crypto API * Duplicate symbols * Update c_cpp_properties.json Co-authored-by: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>
This commit is contained in:
Jarred Sumner
199
src/bun.js/bindings/webcrypto/CryptoAlgorithmAES_CFB.cpp
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199
src/bun.js/bindings/webcrypto/CryptoAlgorithmAES_CFB.cpp
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/*
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* Copyright (C) 2017 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "CryptoAlgorithmAES_CFB.h"
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#if ENABLE(WEB_CRYPTO)
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#include "CryptoAlgorithmAesCbcCfbParams.h"
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#include "CryptoAlgorithmAesKeyParams.h"
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#include "CryptoKeyAES.h"
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#include <wtf/CrossThreadCopier.h>
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namespace WebCore {
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namespace CryptoAlgorithmAES_CFBInternal {
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static constexpr auto ALG128 = "A128CFB8"_s;
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static constexpr auto ALG192 = "A192CFB8"_s;
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static constexpr auto ALG256 = "A256CFB8"_s;
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static const size_t IVSIZE = 16;
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}
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static inline bool usagesAreInvalidForCryptoAlgorithmAES_CFB(CryptoKeyUsageBitmap usages)
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{
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return usages & (CryptoKeyUsageSign | CryptoKeyUsageVerify | CryptoKeyUsageDeriveKey | CryptoKeyUsageDeriveBits);
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}
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Ref<CryptoAlgorithm> CryptoAlgorithmAES_CFB::create()
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{
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return adoptRef(*new CryptoAlgorithmAES_CFB);
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}
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CryptoAlgorithmIdentifier CryptoAlgorithmAES_CFB::identifier() const
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{
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return s_identifier;
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}
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void CryptoAlgorithmAES_CFB::encrypt(const CryptoAlgorithmParameters& parameters, Ref<CryptoKey>&& key, Vector<uint8_t>&& plainText, VectorCallback&& callback, ExceptionCallback&& exceptionCallback, ScriptExecutionContext& context, WorkQueue& workQueue)
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{
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using namespace CryptoAlgorithmAES_CFBInternal;
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auto& aesParameters = downcast<CryptoAlgorithmAesCbcCfbParams>(parameters);
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if (aesParameters.ivVector().size() != IVSIZE) {
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exceptionCallback(OperationError);
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return;
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}
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dispatchOperationInWorkQueue(workQueue, context, WTFMove(callback), WTFMove(exceptionCallback),
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[parameters = crossThreadCopy(aesParameters), key = WTFMove(key), plainText = WTFMove(plainText)] {
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return platformEncrypt(parameters, downcast<CryptoKeyAES>(key.get()), plainText);
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});
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}
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void CryptoAlgorithmAES_CFB::decrypt(const CryptoAlgorithmParameters& parameters, Ref<CryptoKey>&& key, Vector<uint8_t>&& cipherText, VectorCallback&& callback, ExceptionCallback&& exceptionCallback, ScriptExecutionContext& context, WorkQueue& workQueue)
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{
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using namespace CryptoAlgorithmAES_CFBInternal;
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auto& aesParameters = downcast<CryptoAlgorithmAesCbcCfbParams>(parameters);
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if (aesParameters.ivVector().size() != IVSIZE) {
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exceptionCallback(OperationError);
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return;
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}
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dispatchOperationInWorkQueue(workQueue, context, WTFMove(callback), WTFMove(exceptionCallback),
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[parameters = crossThreadCopy(aesParameters), key = WTFMove(key), cipherText = WTFMove(cipherText)] {
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return platformDecrypt(parameters, downcast<CryptoKeyAES>(key.get()), cipherText);
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});
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}
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void CryptoAlgorithmAES_CFB::generateKey(const CryptoAlgorithmParameters& parameters, bool extractable, CryptoKeyUsageBitmap usages, KeyOrKeyPairCallback&& callback, ExceptionCallback&& exceptionCallback, ScriptExecutionContext&)
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{
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const auto& aesParameters = downcast<CryptoAlgorithmAesKeyParams>(parameters);
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if (usagesAreInvalidForCryptoAlgorithmAES_CFB(usages)) {
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exceptionCallback(SyntaxError);
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return;
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}
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auto result = CryptoKeyAES::generate(CryptoAlgorithmIdentifier::AES_CFB, aesParameters.length, extractable, usages);
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if (!result) {
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exceptionCallback(OperationError);
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return;
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}
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callback(WTFMove(result));
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}
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void CryptoAlgorithmAES_CFB::importKey(CryptoKeyFormat format, KeyData&& data, const CryptoAlgorithmParameters& parameters, bool extractable, CryptoKeyUsageBitmap usages, KeyCallback&& callback, ExceptionCallback&& exceptionCallback)
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{
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using namespace CryptoAlgorithmAES_CFBInternal;
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if (usagesAreInvalidForCryptoAlgorithmAES_CFB(usages)) {
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exceptionCallback(SyntaxError);
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return;
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}
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RefPtr<CryptoKeyAES> result;
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switch (format) {
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case CryptoKeyFormat::Raw:
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result = CryptoKeyAES::importRaw(parameters.identifier, WTFMove(std::get<Vector<uint8_t>>(data)), extractable, usages);
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break;
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case CryptoKeyFormat::Jwk: {
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auto checkAlgCallback = [](size_t length, const String& alg) -> bool {
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switch (length) {
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case CryptoKeyAES::s_length128:
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return alg.isNull() || alg == ALG128;
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case CryptoKeyAES::s_length192:
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return alg.isNull() || alg == ALG192;
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case CryptoKeyAES::s_length256:
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return alg.isNull() || alg == ALG256;
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}
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return false;
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};
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result = CryptoKeyAES::importJwk(parameters.identifier, WTFMove(std::get<JsonWebKey>(data)), extractable, usages, WTFMove(checkAlgCallback));
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break;
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}
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default:
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exceptionCallback(NotSupportedError);
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return;
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}
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if (!result) {
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exceptionCallback(DataError);
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return;
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}
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callback(*result);
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}
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void CryptoAlgorithmAES_CFB::exportKey(CryptoKeyFormat format, Ref<CryptoKey>&& key, KeyDataCallback&& callback, ExceptionCallback&& exceptionCallback)
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{
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using namespace CryptoAlgorithmAES_CFBInternal;
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const auto& aesKey = downcast<CryptoKeyAES>(key.get());
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if (aesKey.key().isEmpty()) {
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exceptionCallback(OperationError);
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return;
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}
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KeyData result;
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switch (format) {
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case CryptoKeyFormat::Raw:
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result = Vector<uint8_t>(aesKey.key());
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break;
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case CryptoKeyFormat::Jwk: {
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JsonWebKey jwk = aesKey.exportJwk();
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switch (aesKey.key().size() * 8) {
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case CryptoKeyAES::s_length128:
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jwk.alg = String(ALG128);
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break;
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case CryptoKeyAES::s_length192:
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jwk.alg = String(ALG192);
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break;
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case CryptoKeyAES::s_length256:
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jwk.alg = String(ALG256);
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break;
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default:
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ASSERT_NOT_REACHED();
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}
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result = WTFMove(jwk);
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break;
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}
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default:
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exceptionCallback(NotSupportedError);
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return;
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}
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callback(format, WTFMove(result));
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}
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ExceptionOr<size_t> CryptoAlgorithmAES_CFB::getKeyLength(const CryptoAlgorithmParameters& parameters)
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{
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return CryptoKeyAES::getKeyLength(parameters);
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}
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}
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#endif // ENABLE(WEB_CRYPTO)
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