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Re: SHA-1 in libcrypt


   Date: Mon, 17 Jul 2000 19:31:28 +0200
   From: Mark Kettenis <kettenis@wins.uva.nl>

      Date: Mon, 17 Jul 2000 09:49:35 -0700
      From: RoboHak <RoboHak@protovision.org>

      I've been wanting SHA in libcrypt for a while now, and I noticed
      some talk about it on libc-hacker.  Is anyone working on it, and
      would it make it into 2.2 if someone did?  I know that SRP (Secure
      Remote Passwords) uses SHA or MD5 for it's /etc/passwd replacement,
      and OpenLDAP also supports SHA.  I'm surprised OpenBSD doesn't
      support it currently, but they probably would if we started using
      it.  I know that $1$ is being used for MD5 and $2$ is used for
      blowfish in OpenBSD, so I assume $3$ is free and would be used for
      SHA.  If nobody is working on this currently, is there anyone here
      with hash algorithm implementation experience?  If not, I may try
      this for my own system and submit a patch when I'm done.  Any
      feedback on this would be appreciated.

   What's the advantage of SHA over MD5?

   Anyway, here's the SHA-1 algorithm that I've mentioned on one of the
   lists before.  It's LGPL'ed, and just pretend that you got it as part
   of the GNU C Library, where you'll find the details on the license.
   Apart from that, feel free to use it as you see fit.  Oh yeah, there
   might be bugs, so before you lock anything with a SHA-1 encoded
   password ...

   Mark

Silly me, forgot to include the thing (thanks Andreas).

Mark

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`
end

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