Sony STR-ZA3000ES Guia Del Usuario página 147

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The licence and distribution terms for any publically available version or derivative of this
code cannot be changed.
i.e. this code cannot simply be copied and put under another distribution licence [including
the GNU Public Licence.]
trsha1.c
$KAME: sha1.c,v 1.5 2000/11/08 06:13:08 itojun Exp $
Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
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FIPS pub 180-1: Secure Hash Algorithm (SHA-1) based on: http://csrc.nist.gov/fips/fip180-
1.txt implemented by Jun-ichiro itojun Itoh <itojun@itojun.org>
sha1.c : Implementation of the Secure Hash Algorithm
SHA: NIST's Secure Hash Algorithm
This version written November 2000 by David Ireland of DI Management Services Pty
Limited <code@di-mgt.com.au>
Adapted from code in the Python Cryptography Toolkit, version 1.0.0 by A.M. Kuchling 1995.
AM Kuchling's posting:-
Based on SHA code originally posted to sci.crypt by Peter Gutmann in message
<30ajo5$oe8@ccu2.auckland.ac.nz>.