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File: [cvs.NetBSD.org] / pkgsrc / pkgtools / digest / files / md5hl.c (download)

Revision 1.6, Fri Sep 21 18:44:37 2007 UTC (16 years, 7 months ago) by joerg
Branch: MAIN
CVS Tags: pkgsrc-2011Q3-base, pkgsrc-2011Q3, pkgsrc-2011Q2-base, pkgsrc-2011Q2, pkgsrc-2011Q1-base, pkgsrc-2011Q1, pkgsrc-2010Q4-base, pkgsrc-2010Q4, pkgsrc-2010Q3-base, pkgsrc-2010Q3, pkgsrc-2010Q2-base, pkgsrc-2010Q2, pkgsrc-2010Q1-base, pkgsrc-2010Q1, pkgsrc-2009Q4-base, pkgsrc-2009Q4, pkgsrc-2009Q3-base, pkgsrc-2009Q3, pkgsrc-2009Q2-base, pkgsrc-2009Q2, pkgsrc-2009Q1-base, pkgsrc-2009Q1, pkgsrc-2008Q4-base, pkgsrc-2008Q4, pkgsrc-2008Q3-base, pkgsrc-2008Q3, pkgsrc-2008Q2-base, pkgsrc-2008Q2, pkgsrc-2008Q1-base, pkgsrc-2008Q1, pkgsrc-2007Q4-base, pkgsrc-2007Q4, pkgsrc-2007Q3-base, pkgsrc-2007Q3, cwrapper-base, cwrapper, cube-native-xorg-base, cube-native-xorg
Changes since 1.5: +7 -11 lines 

Fully ANSIfy and use size_t and uint32_t in places where u_int was used
before. This fixes the build on QNX, where u_int is not exposed by the
current set of headers. Make the prototypes of the crypto functions
consistent.

/*	$NetBSD: md5hl.c,v 1.6 2007/09/21 18:44:37 joerg Exp $	*/

/*
 * Written by Jason R. Thorpe <thorpej@netbsd.org>, April 29, 1997.
 * Public domain.
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#define	MDALGORITHM	MD5

/* #include "namespace.h" */
#include <md5.h>

#ifndef _DIAGASSERT
#define _DIAGASSERT(cond)	assert(cond)
#endif

/*	$NetBSD: md5hl.c,v 1.6 2007/09/21 18:44:37 joerg Exp $	*/

/*
 * ----------------------------------------------------------------------------
 * "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 FreeBSD Id: mdXhl.c,v 1.8 1996/10/25 06:48:12 bde Exp
 */

/*
 * Modifed April 29, 1997 by Jason R. Thorpe <thorpej@netbsd.org>
 */

#include <assert.h>
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif

#define	CONCAT(x,y)	__CONCAT(x,y)
#define	MDNAME(x)	CONCAT(MDALGORITHM,x)

char *
MDNAME(End)(MDNAME(_CTX) *ctx, char *buf)
{
	int i;
	unsigned char digest[16];
	static const char hex[]="0123456789abcdef";

	_DIAGASSERT(ctx != 0);

	if (buf == NULL)
		buf = malloc(33);
	if (buf == NULL)
		return (NULL);

	MDNAME(Final)(digest, ctx);

	for (i = 0; i < 16; i++) {
		buf[i+i] = hex[(uint32_t)digest[i] >> 4];
		buf[i+i+1] = hex[digest[i] & 0x0f];
	}

	buf[i+i] = '\0';
	return (buf);
}

char *
MDNAME(File)(filename, buf)
	const char *filename;
	char *buf;
{
	unsigned char buffer[BUFSIZ];
	MDNAME(_CTX) ctx;
	int f, j;
	size_t i;

	_DIAGASSERT(filename != 0);
	/* buf may be NULL */

	MDNAME(Init)(&ctx);
	f = open(filename, O_RDONLY, 0666);
	if (f < 0)
		return NULL;

	while ((i = read(f, buffer, sizeof(buffer))) > 0)
		MDNAME(Update)(&ctx, buffer, (size_t)i);

	j = errno;
	close(f);
	errno = j;

	if (i < 0)
		return NULL;

	return (MDNAME(End)(&ctx, buf));
}

char *
MDNAME(Data)(const uint8_t *data, size_t len, char *buf)
{
	MDNAME(_CTX) ctx;

	_DIAGASSERT(data != 0);

	MDNAME(Init)(&ctx);
	MDNAME(Update)(&ctx, data, len);
	return (MDNAME(End)(&ctx, buf));
}