80 lines
1.8 KiB
C
80 lines
1.8 KiB
C
/* $NetBSD: rmd160hl.c,v 1.3 2000/07/06 02:50:35 christos Exp $ */
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/* rmd160hl.c
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* ----------------------------------------------------------------------------
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* "THE BEER-WARE LICENSE" (Revision 42):
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* <phk@login.dkuug.dk> wrote this file. As long as you retain this notice you
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* can do whatever you want with this stuff. If we meet some day, and you think
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* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
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* ----------------------------------------------------------------------------
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*
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* from OpenBSD: rmd160hl.c,v 1.2 1999/08/17 09:13:12 millert Exp $
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: rmd160hl.c,v 1.3 2000/07/06 02:50:35 christos Exp $");
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#endif /* not lint */
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#include <sys/types.h>
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#include "namespace.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <rmd160.h>
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char *
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RMD160End(RMD160_CTX *ctx, char *buf)
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{
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int i;
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char *p = buf;
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u_char digest[20];
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static const char hex[]="0123456789abcdef";
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if (p == NULL && (p = malloc(41)) == NULL)
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return 0;
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RMD160Final(digest,ctx);
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for (i = 0; i < 20; i++) {
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p[i + i] = hex[(u_int32_t)digest[i] >> 4];
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p[i + i + 1] = hex[digest[i] & 0x0f];
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}
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p[i + i] = '\0';
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return(p);
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}
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char *
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RMD160File(char *filename, char *buf)
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{
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u_char buffer[BUFSIZ];
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RMD160_CTX ctx;
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int fd, num, oerrno;
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RMD160Init(&ctx);
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if ((fd = open(filename, O_RDONLY)) < 0)
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return(0);
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while ((num = read(fd, buffer, sizeof(buffer))) > 0)
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RMD160Update(&ctx, buffer, (size_t)num);
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oerrno = errno;
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close(fd);
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errno = oerrno;
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return(num < 0 ? 0 : RMD160End(&ctx, buf));
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}
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char *
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RMD160Data(const u_char *data, size_t len, char *buf)
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{
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RMD160_CTX ctx;
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RMD160Init(&ctx);
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RMD160Update(&ctx, data, len);
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return(RMD160End(&ctx, buf));
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}
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