[1216] in Kerberos_V5_Development

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Re: 3des question

daemon@ATHENA.MIT.EDU (Richard Basch)
Tue May 21 00:15:10 1996

Date: Tue, 21 May 1996 00:14:10 -0400
To: Marc Horowitz <marc@MIT.EDU>
Cc: "Richard Basch" <basch@lehman.com>, perry@piermont.com, krbdev@MIT.EDU
In-Reply-To: <9605210334.AA27440@beeblebrox.MIT.EDU>
From: "Richard Basch" <basch@lehman.com>

> >> If so, isn't the appropriate padding size for HMAC-SHA 80 bytes
> >> instead of 64 bytes?
> 
> I don't think so.  draft-ietf-ipsec-ah-hmac-sha-00.txt states (section
> 1.1):
> 
>     SHA operates on 64-byte blocks.

Oops... I just checked... yes, it seems to operate on 64-byte
blocks... I don't know why I thought it was 80.  Anyway, I'm sure Hugo
will be telling me I was a bone-head for that question...
-- 
Richard Basch                   
Sr. Developer/Analyst, DSO      URL: http://web.mit.edu/basch/www/home.html
Lehman Brothers, Inc.           Email: basch@lehman.com, basch@mit.edu
101 Hudson St., 38th Floor      Fax:   +1-201-524-5828
Jersey City, NJ 07302-3988      Voice: +1-201-524-5049


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