193153 2019-01-04 12:19:44 -0800 [WebCrypto] AES-CBC should perform padding check after decryptions 2019-01-04 12:53:32 -0800 1 1 1 Unclassified WebKit WebCore Misc. WebKit Nightly Build Unspecified Unspecified RESOLVED INVALID P2 Normal --- 1 jiewen_tan webkit-unassigned jiewen_tan oldest_to_newest 1491793 0 jiewen_tan 2019-01-04 12:19:44 -0800 AES-CBC should perform padding check after decryptions as suggested by Decrypt Step 3.-5. of https://www.w3.org/TR/WebCryptoAPI/#aes-cbc-operations. 1491816 1 jiewen_tan 2019-01-04 12:53:32 -0800 Wait, I am wrong about this bug. I believe CommonCrypto handles all those steps for us. If there is a padding issue, it should inform us. Otherwise, we treat the results as the plaintext without padding.