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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 "ScriptExecutionContext.h"
37 static ExceptionOr<Vector<uint8_t>> encryptRSAES_PKCS1_v1_5(const PlatformRSAKey key, size_t keyLength, const Vector<uint8_t>& data)
39 Vector<uint8_t> cipherText(keyLength / 8); // Per Step 3.c of https://tools.ietf.org/html/rfc3447#section-7.2.1
40 size_t cipherTextLength = cipherText.size();
41 if (CCRSACryptorEncrypt(key, ccPKCS1Padding, data.data(), data.size(), cipherText.data(), &cipherTextLength, 0, 0, kCCDigestNone))
42 return Exception { OperationError };
44 return WTFMove(cipherText);
47 static ExceptionOr<Vector<uint8_t>> decryptRSAES_PKCS1_v1_5(const PlatformRSAKey key, size_t keyLength, const Vector<uint8_t>& data)
49 Vector<uint8_t> plainText(keyLength / 8); // Per Step 1 of https://tools.ietf.org/html/rfc3447#section-7.2.1
50 size_t plainTextLength = plainText.size();
51 if (CCRSACryptorDecrypt(key, ccPKCS1Padding, data.data(), data.size(), plainText.data(), &plainTextLength, 0, 0, kCCDigestNone))
52 return Exception { OperationError };
54 plainText.resize(plainTextLength);
55 return WTFMove(plainText);
58 void CryptoAlgorithmRSAES_PKCS1_v1_5::platformEncrypt(Ref<CryptoKey>&& key, Vector<uint8_t>&& plainText, VectorCallback&& callback, ExceptionCallback&& exceptionCallback, ScriptExecutionContext& context, WorkQueue& workQueue)
61 workQueue.dispatch([key = WTFMove(key), plainText = WTFMove(plainText), callback = WTFMove(callback), exceptionCallback = WTFMove(exceptionCallback), &context]() mutable {
62 auto& rsaKey = downcast<CryptoKeyRSA>(key.get());
63 auto result = encryptRSAES_PKCS1_v1_5(rsaKey.platformKey(), rsaKey.keySizeInBits(), plainText);
64 if (result.hasException()) {
65 // We should only dereference callbacks after being back to the Document/Worker threads.
66 context.postTask([exceptionCallback = WTFMove(exceptionCallback), ec = result.releaseException().code(), callback = WTFMove(callback)](ScriptExecutionContext& context) {
67 exceptionCallback(ec);
72 // We should only dereference callbacks after being back to the Document/Worker threads.
73 context.postTask([callback = WTFMove(callback), result = result.releaseReturnValue(), exceptionCallback = WTFMove(exceptionCallback)](ScriptExecutionContext& context) {
80 void CryptoAlgorithmRSAES_PKCS1_v1_5::platformDecrypt(Ref<CryptoKey>&& key, Vector<uint8_t>&& cipherText, VectorCallback&& callback, ExceptionCallback&& exceptionCallback, ScriptExecutionContext& context, WorkQueue& workQueue)
83 workQueue.dispatch([key = WTFMove(key), cipherText = WTFMove(cipherText), callback = WTFMove(callback), exceptionCallback = WTFMove(exceptionCallback), &context]() mutable {
84 auto& rsaKey = downcast<CryptoKeyRSA>(key.get());
85 auto result = decryptRSAES_PKCS1_v1_5(rsaKey.platformKey(), rsaKey.keySizeInBits(), cipherText);
86 if (result.hasException()) {
87 // We should only dereference callbacks after being back to the Document/Worker threads.
88 context.postTask([exceptionCallback = WTFMove(exceptionCallback), ec = result.releaseException().code(), callback = WTFMove(callback)](ScriptExecutionContext& context) {
89 exceptionCallback(ec);
94 // We should only dereference callbacks after being back to the Document/Worker threads.
95 context.postTask([callback = WTFMove(callback), result = result.releaseReturnValue(), exceptionCallback = WTFMove(exceptionCallback)](ScriptExecutionContext& context) {
102 } // namespace WebCore
104 #endif // ENABLE(SUBTLE_CRYPTO)