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Message-ID: <BAY107-F10BC5139410D59CCB050E7FD3C0@phx.gbl> Date: Mon, 19 Dec 2005 00:03:37 +0100 From: "Frank Dittrich" <frank_dittrich@...mail.com> To: john-users@...ts.openwall.com Subject: Re: Dupes recognition based on internal representation of ciphertex Solar Designer wrote, >Frank (and others), > >It's been some months, but I've finally included a (somewhat limited) >solution for this problem into 1.6.40. I noticed it in the announcement of 1.6.40. >The new rules for JtR patches implementing hashes with case-insensitive >encodings are as follows: > >1. valid() should allow for lower/upper/mixed case to be used in the >case-insensitive portions of the encodings. > >2. split() must unify the case of hash encodings, typically by >converting them to all-lowercase (except for case-sensitive portions, >if any). > >3. The new flag FMT_SPLIT_UNIFIES_CASE must be set. Different external representations for the same hash are not necessarily a matter of upper vs. lower case. Frank
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