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/* $NetBSD: rmd160hl.c,v 1.8 2008/10/06 12:36:20 joerg Exp $ */
/* rmd160hl.c
* ----------------------------------------------------------------------------
* "THE BEER-WARE LICENSE" (Revision 42):
* <phk@login.dkuug.dk> wrote this file. As long as you retain this notice you
* can do whatever you want with this stuff. If we meet some day, and you think
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
* ----------------------------------------------------------------------------
*
* from OpenBSD: rmd160hl.c,v 1.2 1999/08/17 09:13:12 millert Exp $
*/
#if HAVE_NBTOOL_CONFIG_H
#include "nbtool_config.h"
#endif
#include <nbcompat.h>
#include <nbcompat/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: rmd160hl.c,v 1.8 2008/10/06 12:36:20 joerg Exp $");
#endif /* not lint */
#include <nbcompat/types.h>
#if 0
#include "namespace.h"
#endif
#include <nbcompat/assert.h>
#if HAVE_ERRNO_H
#include <errno.h>
#endif
#if HAVE_FCNTL_H
#include <fcntl.h>
#endif
#include <nbcompat/rmd160.h>
#include <nbcompat/stdio.h>
#include <nbcompat/stdlib.h>
#include <nbcompat/unistd.h>
#if !HAVE_RMD160_H
#if 0
#if defined(__weak_alias)
__weak_alias(RMD160End,_RMD160End)
__weak_alias(RMD160File,_RMD160File)
__weak_alias(RMD160Data,_RMD160Data)
#endif
#endif
char *
RMD160End(RMD160_CTX *ctx, char *buf)
{
int i;
char *p = buf;
unsigned char digest[20];
static const char hex[]="0123456789abcdef";
_DIAGASSERT(ctx != NULL);
/* buf may be NULL */
if (p == NULL && (p = malloc(41)) == NULL)
return 0;
RMD160Final(digest,ctx);
for (i = 0; i < 20; i++) {
p[i + i] = hex[(uint32_t)digest[i] >> 4];
p[i + i + 1] = hex[digest[i] & 0x0f];
}
p[i + i] = '\0';
return(p);
}
char *
RMD160File(char *filename, char *buf)
{
unsigned char buffer[BUFSIZ];
RMD160_CTX ctx;
int fd, num, oerrno;
_DIAGASSERT(filename != NULL);
/* XXX: buf may be NULL ? */
RMD160Init(&ctx);
if ((fd = open(filename, O_RDONLY)) < 0)
return(0);
while ((num = read(fd, buffer, sizeof(buffer))) > 0)
RMD160Update(&ctx, buffer, (size_t)num);
oerrno = errno;
close(fd);
errno = oerrno;
return(num < 0 ? 0 : RMD160End(&ctx, buf));
}
char *
RMD160Data(const unsigned char *data, size_t len, char *buf)
{
RMD160_CTX ctx;
_DIAGASSERT(data != NULL);
/* XXX: buf may be NULL ? */
RMD160Init(&ctx);
RMD160Update(&ctx, data, len);
return(RMD160End(&ctx, buf));
}
#endif /* HAVE_RMD160_H */
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