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Message-ID: <200503192356.j2JNuW24015742@turing-police.cc.vt.edu> From: Valdis.Kletnieks at vt.edu (Valdis.Kletnieks@...edu) Subject: Re: choice-point screw-up and secure hashes On Sat, 19 Mar 2005 23:02:36 GMT, Jason Coombs said: > > reverse hashing > > By reverse hashing you mean defeating the protection by forward hashing all possible SSNs, presumably. No, that's me writing in a hurry and failing to make clear that if you're using an invertible function, you'll have sub-functions to do the forward and reverse functions, and both will probably be compromised at the same time as the actual hash value.... -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 226 bytes Desc: not available Url : http://lists.grok.org.uk/pipermail/full-disclosure/attachments/20050319/70d3054e/attachment.bin
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