Date: Tue, 3 Apr 2012 20:51:14 +0530 From: Deepika Dutta Mishra <dipikadutta@...il.com> To: john-dev@...ts.openwall.com Subject: Re: bitslice des thanks, i am studying bitslicing technique and want to use it for improving encryption performance which is required for a project of mine. I dont want to directly reuse your code but want to understand the technique and use it according to my requirement. Since yours is the fastest implementation, I am studying it. I would like to contribute to your work if you require, since bitslicing is what i am focusing on if you have any requirement in it I would like to contribute, this will help me also in mastering this technique. Thanks, deepika On Tue, Apr 3, 2012 at 6:51 PM, Solar Designer <solar@...nwall.com> wrote: > On Tue, Apr 03, 2012 at 11:50:47AM +0530, Deepika Dutta Mishra wrote: > > I was going through DES_bs_b.c, function DES_bs_crypt(int count, int > > keys_count) seems to be the one doing Bit Sliced DES. I want to know > where > > are the keys, plaintext, ciphertext being set in bitsliced form? > > For parts of the key setup code, see DES_bs.c. The rest of it is > inlined into DES_bs_crypt() itself (in 1.7.9). > > The plaintext is 0. > > The ciphertexts are being computed by that function. > > What are you doing this for? I mean, would you like to reuse the code > in another project (what project?), or would you like to contribute to > JtR development (in what ways?), or something else? > > Alexander > Content of type "text/html" skipped
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