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27 #include "CryptoAlgorithmRSAES_PKCS1_v1_5.h"
29 #if ENABLE(SUBTLE_CRYPTO)
31 #include "CommonCryptoUtilities.h"
32 #include "CryptoKeyRSA.h"
33 #include "ExceptionCode.h"
34 #include "ScriptExecutionContext.h"
38 // FIXME: We should change data to Vector<uint8_t> type once WebKitSubtleCrypto is deprecated.
39 // https://bugs.webkit.org/show_bug.cgi?id=164939
40 static ExceptionOr<Vector<uint8_t>> encryptRSAES_PKCS1_v1_5(const PlatformRSAKey key, size_t keyLength, const uint8_t* data, size_t dataLength)
42 Vector<uint8_t> cipherText(keyLength / 8); // Per Step 3.c of https://tools.ietf.org/html/rfc3447#section-7.2.1
43 size_t cipherTextLength = cipherText.size();
44 if (CCRSACryptorEncrypt(key, ccPKCS1Padding, data, dataLength, cipherText.data(), &cipherTextLength, 0, 0, kCCDigestNone))
45 return Exception { OperationError };
47 return WTFMove(cipherText);
50 // FIXME: We should change data to Vector<uint8_t> type once WebKitSubtleCrypto is deprecated.
51 // https://bugs.webkit.org/show_bug.cgi?id=164939
52 static ExceptionOr<Vector<uint8_t>> decryptRSAES_PKCS1_v1_5(const PlatformRSAKey key, size_t keyLength, const uint8_t* data, size_t dataLength)
54 Vector<uint8_t> plainText(keyLength / 8); // Per Step 1 of https://tools.ietf.org/html/rfc3447#section-7.2.1
55 size_t plainTextLength = plainText.size();
56 if (CCRSACryptorDecrypt(key, ccPKCS1Padding, data, dataLength, plainText.data(), &plainTextLength, 0, 0, kCCDigestNone))
57 return Exception { OperationError };
59 plainText.resize(plainTextLength);
60 return WTFMove(plainText);
63 void CryptoAlgorithmRSAES_PKCS1_v1_5::platformEncrypt(Ref<CryptoKey>&& key, Vector<uint8_t>&& plainText, VectorCallback&& callback, ExceptionCallback&& exceptionCallback, ScriptExecutionContext& context, WorkQueue& workQueue)
66 workQueue.dispatch([key = WTFMove(key), plainText = WTFMove(plainText), callback = WTFMove(callback), exceptionCallback = WTFMove(exceptionCallback), &context]() mutable {
67 auto& rsaKey = downcast<CryptoKeyRSA>(key.get());
68 auto result = encryptRSAES_PKCS1_v1_5(rsaKey.platformKey(), rsaKey.keySizeInBits(), plainText.data(), plainText.size());
69 if (result.hasException()) {
70 context.postTask([exceptionCallback = WTFMove(exceptionCallback), ec = result.releaseException().code()](ScriptExecutionContext& context) {
71 exceptionCallback(ec);
76 context.postTask([callback = WTFMove(callback), result = result.releaseReturnValue()](ScriptExecutionContext& context) {
83 void CryptoAlgorithmRSAES_PKCS1_v1_5::platformDecrypt(Ref<CryptoKey>&& key, Vector<uint8_t>&& cipherText, VectorCallback&& callback, ExceptionCallback&& exceptionCallback, ScriptExecutionContext& context, WorkQueue& workQueue)
86 workQueue.dispatch([key = WTFMove(key), cipherText = WTFMove(cipherText), callback = WTFMove(callback), exceptionCallback = WTFMove(exceptionCallback), &context]() mutable {
87 auto& rsaKey = downcast<CryptoKeyRSA>(key.get());
88 auto result = decryptRSAES_PKCS1_v1_5(rsaKey.platformKey(), rsaKey.keySizeInBits(), cipherText.data(), cipherText.size());
89 if (result.hasException()) {
90 context.postTask([exceptionCallback = WTFMove(exceptionCallback), ec = result.releaseException().code()](ScriptExecutionContext& context) {
91 exceptionCallback(ec);
96 context.postTask([callback = WTFMove(callback), result = result.releaseReturnValue()](ScriptExecutionContext& context) {
103 ExceptionOr<void> CryptoAlgorithmRSAES_PKCS1_v1_5::platformEncrypt(const CryptoKeyRSA& key, const CryptoOperationData& data, VectorCallback&& callback, VoidCallback&& failureCallback)
105 auto result = encryptRSAES_PKCS1_v1_5(key.platformKey(), key.keySizeInBits(), data.first, data.second);
106 if (result.hasException()) {
110 callback(result.releaseReturnValue());
114 ExceptionOr<void> CryptoAlgorithmRSAES_PKCS1_v1_5::platformDecrypt(const CryptoKeyRSA& key, const CryptoOperationData& data, VectorCallback&& callback, VoidCallback&& failureCallback)
116 auto result = decryptRSAES_PKCS1_v1_5(key.platformKey(), key.keySizeInBits(), data.first, data.second);
117 if (result.hasException()) {
121 callback(result.releaseReturnValue());
125 } // namespace WebCore
127 #endif // ENABLE(SUBTLE_CRYPTO)