Date: Mon, 7 May 2012 17:24:35 +0400 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: Re: mschap-v2 des bs conversion On Mon, May 07, 2012 at 12:18:15AM -0700, deepika dutta wrote: > hi, i want to know what DES_bs_init() is doing and if it is being used for cracking? In fmt.self_test() it is being called but i dont know if it being used while cracking actual plaintext. As the name suggests, DES_bs_init() initializes the bitslice DES implementation for use. It must be called (once) before first use of the rest of the bitslice DES code. Yes, it's used for actual cracking as well - but it is not called during cracking (it is called just once at startup). (When you run --test without --format, DES_bs_init() is called once per bitslice DES-using format tested. So it may be called a few times during the process lifetime in that special case.) Alexander
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