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27 #include "CryptoAlgorithmAES_KW.h"
29 #if ENABLE(SUBTLE_CRYPTO)
31 #include "CryptoKeyAES.h"
32 #include <CommonCrypto/CommonCrypto.h>
36 static ExceptionOr<Vector<uint8_t>> wrapKeyAES_KW(const Vector<uint8_t>& key, const Vector<uint8_t>& data)
38 Vector<uint8_t> result(CCSymmetricWrappedSize(kCCWRAPAES, data.size()));
39 size_t resultSize = result.size();
40 if (CCSymmetricKeyWrap(kCCWRAPAES, CCrfc3394_iv, CCrfc3394_ivLen, key.data(), key.size(), data.data(), data.size(), result.data(), &resultSize))
41 return Exception { OperationError };
43 result.shrink(resultSize);
44 return WTFMove(result);
47 static ExceptionOr<Vector<uint8_t>> unwrapKeyAES_KW(const Vector<uint8_t>& key, const Vector<uint8_t>& data)
49 Vector<uint8_t> result(CCSymmetricUnwrappedSize(kCCWRAPAES, data.size()));
50 size_t resultSize = result.size();
53 return Exception { OperationError };
55 if (CCSymmetricKeyUnwrap(kCCWRAPAES, CCrfc3394_iv, CCrfc3394_ivLen, key.data(), key.size(), data.data(), data.size(), result.data(), &resultSize))
56 return Exception { OperationError };
58 result.shrink(resultSize);
59 return WTFMove(result);
62 void CryptoAlgorithmAES_KW::platformWrapKey(Ref<CryptoKey>&& key, Vector<uint8_t>&& data, VectorCallback&& callback, ExceptionCallback&& exceptionCallback)
64 auto& aesKey = downcast<CryptoKeyAES>(key.get());
65 auto result = wrapKeyAES_KW(aesKey.key(), data);
66 if (result.hasException()) {
67 exceptionCallback(result.releaseException().code());
70 callback(result.releaseReturnValue());
73 void CryptoAlgorithmAES_KW::platformUnwrapKey(Ref<CryptoKey>&& key, Vector<uint8_t>&& data, VectorCallback&& callback, ExceptionCallback&& exceptionCallback)
75 auto& aesKey = downcast<CryptoKeyAES>(key.get());
76 auto result = unwrapKeyAES_KW(aesKey.key(), data);
77 if (result.hasException()) {
78 exceptionCallback(result.releaseException().code());
81 callback(result.releaseReturnValue());
84 } // namespace WebCore
86 #endif // ENABLE(SUBTLE_CRYPTO)