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* Adding sha256 and sha512 to C?
@ 2011-05-28  3:18 sand
  2011-05-28  3:58 ` Paul Eggert
  0 siblings, 1 reply; 19+ messages in thread
From: sand @ 2011-05-28  3:18 UTC (permalink / raw)
  To: emacs-devel

Leo (sdl.web at gmail.com) recently added the gnulib "sha1" function to
Emacs' C code.  The gnulib crypto library also has sha256 and sha512
functions; is there any objection to adding those as well?  Researchers
discovered better-than-brute-force attacks against SHA-1 back in 2005
(http://www.schneier.com/blog/archives/2005/02/cryptanalysis_o.html).
Because of this, in 2006 the NIST recommended that application and
protocol designers switch to SHA-2 family hash functions by 2011
(http://csrc.nist.gov/groups/ST/hash/policy.html).  Providing C
versions of the SHA-2 functions will make it easier for developers to
use the those stronger functions in new applications.

Thanks,

Derek

-- 
Derek Upham
sand@blarg.net



^ permalink raw reply	[flat|nested] 19+ messages in thread

end of thread, other threads:[~2011-06-19 16:08 UTC | newest]

Thread overview: 19+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2011-05-28  3:18 Adding sha256 and sha512 to C? sand
2011-05-28  3:58 ` Paul Eggert
2011-05-28  7:25   ` Eli Zaretskii
2011-05-30  4:06     ` Stefan Monnier
2011-06-11  5:43       ` Leo
2011-06-11  8:00         ` Eli Zaretskii
2011-06-11 12:37           ` Leo
2011-06-11 15:24             ` Eli Zaretskii
2011-06-11 16:02               ` Paul Eggert
2011-06-11 20:36                 ` Juanma Barranquero
2011-06-12  0:34                 ` YAMAMOTO Mitsuharu
2011-06-12 13:03                 ` Leo
2011-06-12 14:05                   ` Thien-Thi Nguyen
2011-06-12 15:48                   ` Deniz Dogan
2011-06-12 17:06                     ` Richard Riley
2011-06-12 22:37                   ` Paul Eggert
2011-06-19 16:08                     ` Leo
2011-05-29  4:22   ` Leo
2011-05-29  5:18     ` Paul Eggert

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