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Viewing changes to lib9/sec/sha1pickle.c

  • Committer: Bazaar Package Importer
  • Author(s): Daniel Baumann
  • Date: 2010-06-04 17:22:03 UTC
  • mfrom: (1.1.6 upstream)
  • Revision ID: james.westby@ubuntu.com-20100604172203-ei85j0da495sr8ut
Tags: 1:6-1
* Adding Kai as co-maintainer.
* Merging upstream version 6.

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lib9/sec/sha1pickle.c
 
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#include "os.h"
 
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#include <libsec.h>
 
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char*
 
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sha1pickle(SHA1state *s)
 
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{
 
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        char *p;
 
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        int m, n;
 
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        m = 5*9+4*((s->blen+3)/3);
 
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        p = malloc(m);
 
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        if(p == nil)
 
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                return p;
 
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        n = sprint(p, "%8.8ux %8.8ux %8.8ux %8.8ux %8.8ux ",
 
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                s->state[0], s->state[1], s->state[2],
 
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                s->state[3], s->state[4]);
 
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        enc64(p+n, m-n, s->buf, s->blen);
 
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        return p;
 
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}
 
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SHA1state*
 
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sha1unpickle(char *p)
 
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{
 
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        SHA1state *s;
 
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        s = malloc(sizeof(*s));
 
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        if(s == nil)
 
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                return nil;
 
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        s->state[0] = strtoul(p, &p, 16);
 
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        s->state[1] = strtoul(p, &p, 16);
 
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        s->state[2] = strtoul(p, &p, 16);
 
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        s->state[3] = strtoul(p, &p, 16);
 
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        s->state[4] = strtoul(p, &p, 16);
 
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        s->blen = dec64(s->buf, sizeof(s->buf), p, strlen(p));
 
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        s->malloced = 1;
 
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        s->seeded = 1;
 
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        return s;
 
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}