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  • Committer: Bazaar Package Importer
  • Author(s): Stefan Hornburg (Racke)
  • Date: 2009-03-08 16:42:08 UTC
  • mfrom: (1.2.1 upstream) (4.1.1 sid)
  • Revision ID: james.westby@ubuntu.com-20090308164208-nlve2wtx9bbrulmd
Tags: 0.61.2-1
* New upstream release.
* Lintian:
  - fix chown in courier-webadmin postinst
  - removed courier-base preinst
  - added debhelper token to courier-mta.preinst
  - removed *.conffiles

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sha1/sha512_hash.c
 
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/*
 
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** Copyright 2008 Double Precision, Inc.
 
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** See COPYING for distribution information.
 
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*/
 
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#include        "sha1.h"
 
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#include        <string.h>
 
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static const char rcsid[]="$Id: sha512_hash.c,v 1.1 2008/12/25 14:39:11 mrsam Exp $";
 
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static const char base64tab[]=
 
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"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
 
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const char *sha512_hash(const char *passw)
 
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{
 
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SHA512_DIGEST sha512buf;
 
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static char hash_buffer[1+(sizeof(sha512buf)+2)/3*4];
 
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int     a=0,b=0,c=0;
 
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int     i, j;
 
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int     d, e, f, g;
 
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        sha512_digest(passw, strlen(passw), sha512buf);
 
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        j=0;
 
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        for (i=0; i<sizeof(sha512buf); i += 3)
 
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        {
 
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                a=sha512buf[i];
 
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                b= i+1 < sizeof(sha512buf) ? sha512buf[i+1]:0;
 
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                c= i+2 < sizeof(sha512buf) ? sha512buf[i+2]:0;
 
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                d=base64tab[ a >> 2 ];
 
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                e=base64tab[ ((a & 3 ) << 4) | (b >> 4)];
 
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                f=base64tab[ ((b & 15) << 2) | (c >> 6)];
 
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                g=base64tab[ c & 63 ];
 
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                if (i + 1 >= sizeof(sha512buf)) f='=';
 
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                if (i + 2 >= sizeof(sha512buf)) g='=';
 
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                hash_buffer[j++]=d;
 
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                hash_buffer[j++]=e;
 
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                hash_buffer[j++]=f;
 
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                hash_buffer[j++]=g;
 
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        }
 
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        hash_buffer[j]=0;
 
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        return (hash_buffer);
 
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}