Wednesday, August 20, 2014

Old attacks on new TLS implementations - or how a tiny side channel can break your crypto

This week at USENIX Security my colleague Chris Meyer will present our latest research paper on TLS attacks: "Revisiting SSL/TLS Implementations: New Bleichenbacher Side Channels and Attacks" (written by him, Eugen Weiss, Jörg Schwenk, Sebastian Schinzel, Erik Tews and me) [paper].
This blog post is intended for people who do not like boring long research papers and would like to get a comprehensive summary what's going on. As the title suggests we developed some attacks on TLS implementations. In the following, I will try to give you an intuition behind these attacks and explain why they worked.

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