Date: Thu, 9 Feb 2012 15:29:27 +0400 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: Re: Drupal 7 On Thu, Feb 09, 2012 at 10:32:07AM +0100, magnum wrote: > On 02/09/2012 09:10 AM, Solar Designer wrote: > > Just why is it slower than SHA-crypt-512, though? (With the > > current sets of test vectors.) Somehow I thought that the latter with > > the default of rounds=5000 actually invoked the SHA-512 compression > > function about 17,000 times. So I expected these two to provide very > > similar performance. > > SHA-crypt calls SHA512_Update() 17766 times for 5000 rounds, but > sha512_block_dat_order() is only called 5021 times, and that's the slow > stuff. Oh, somehow I thought that the compression function was called this many times, not just the "update" wrapper. OK, I was wrong, then. > Thanks, and then we can adjust the crypt_key array like this: Yes. Thanks, Alexander
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