Date: Fri, 18 Jan 2013 22:13:30 +0100 From: Christian Forler <christian.forler@...-weimar.de> To: crypt-dev@...ts.openwall.com Subject: Password Scrambling Hello crypt-dev, I'm a (junior) research assistant in the field of symmetric crypto, especially provable security. Why I'm here? Last year I met Jacob Sparre Andersen. He had made myself aware of the fact that a subset of the BSD community is looking for a new password scrambling algorithms. The algorithm that is currently used seems to do not provide adequate resistance against GPU based password recovery attacks. After that, I discussed this topic within our research group (http://www.uni-weimar.de/cms/medien/mediensicherheit/home.html). Since then we have had a couple of nifty ideas. Actually, we have just started to write a paper about this stuff. This week at ESC'13 Jean-Philippe told me that there are is some activity about this topic within the security community, and that there will be an upcoming password scrambler competition. So, I'm here. :-) Short story: I'm here thanks to JP and some accidental coincidences. Anyway! In the next couple of weeks, we will write an academic paper introducing a new password scrambler (key derivation function). After that, I will try to supply you with an abbreviated version of our extended abstract, if desired. Best regards, Christian
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