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/* keycrunch.c: The opiekeycrunch() library function.
%%% copyright-cmetz
This software is Copyright 1996 by Craig Metz, All Rights Reserved.
The Inner Net License Version 2 applies to this software.
You should have received a copy of the license with this software. If
you didn't get a copy, you may request one from <license@inner.net>.
History:
Created by cmetz for OPIE 2.3 using the old keycrunch.c as a guide.
*/
#include "opie_cfg.h"
#if HAVE_STRING_H
#include <string.h>
#endif /* HAVE_STRING_H */
#if HAVE_STDLIB_H
#include <stdlib.h>
#endif /* HAVE_STDLIB_H */
#include <ctype.h>
#include "opie.h"
int opiekeycrunch FUNCTION((algorithm, result, seed, secret), int algorithm AND char *result AND char *seed AND char *secret)
{
int i, rval = -1;
char *c;
if (!result || !seed || !secret)
return 1;
i = strlen(seed) + strlen(secret);
if (!(c = malloc(i + 1)))
return -1;
{
char *c2 = c;
if (algorithm & 0x10)
while(*c2 = *(secret++)) c2++;
while(*seed)
if (isspace(*(c2++) = tolower(*(seed++))))
goto kcret;
if (!(algorithm & 0x10))
strcpy(c2, secret);
}
opiehashlen(algorithm & 0x0f, c, result, i);
rval = 0;
kcret:
{
char *c2 = c;
while(*c2)
*(c2++) = 0;
}
free(c);
return rval;
}
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