Really Clever TLS Attack

This is an extremely clever man-in-the-middle timing attack against AES that exploits the interaction between how the protocol implements AES in CBC mode for encryption, and HMAC-SHA1 for authentication. (And this is a really good plain-language description of it.)

via Schneier on Security http://www.schneier.com/blog/archives/2013/02/really_clever_t.html

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