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Date: Tue, 24 Feb 2015 09:53:41 +0300
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: Re: SIMD SHA-crypt, etc.
On Tue, Feb 24, 2015 at 09:34:06AM +0300, Solar Designer wrote:
> I guess your next step is to update Drupal7 and some other SHA-2 using
> formats to use this new code as well?
I notice that many are already updated, but many are not.
HMAC-SHA384 fails self-test with multiple threads:
[solar@...er src]$ ../run/john -te -form=hmac-sha384
Will run 32 OpenMP threads
Benchmarking: HMAC-SHA384 [password is key, SHA384 128/128 SSE4.1 2x]... (32xOMP) FAILED (get_key(1))
[solar@...er src]$ OMP_NUM_THREADS=1 ../run/john -te -form=hmac-sha384
Warning: OpenMP is disabled; a non-OpenMP build may be faster
Benchmarking: HMAC-SHA384 [password is key, SHA384 128/128 SSE4.1 2x]... DONE
Many salts: 1843K c/s real, 1843K c/s virtual
Only one salt: 888832 c/s real, 888832 c/s virtual
[solar@...er src]$ OMP_NUM_THREADS=2 ../run/john -te -form=hmac-sha384
Will run 2 OpenMP threads
Benchmarking: HMAC-SHA384 [password is key, SHA384 128/128 SSE4.1 2x]... (2xOMP) FAILED (get_key(1))
HMAC-SHA512 works:
[solar@...er src]$ ../run/john -te -form=hmac-sha512
Will run 32 OpenMP threads
Benchmarking: HMAC-SHA512 [password is key, SHA512 128/128 SSE4.1 2x]... (32xOMP) DONE
Many salts: 24510K c/s real, 766670 c/s virtual
Only one salt: 5580K c/s real, 175088 c/s virtual
Alexander
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