minix/usr.bin/cksum/md5.c

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/* $NetBSD: md5.c,v 1.10 2008/12/29 00:51:29 christos Exp $ */
/*
* MDDRIVER.C - test driver for MD2, MD4 and MD5
*/
/*
* Copyright (C) 1990-2, RSA Data Security, Inc. Created 1990. All
* rights reserved.
*
* RSA Data Security, Inc. makes no representations concerning either
* the merchantability of this software or the suitability of this
* software for any particular purpose. It is provided "as is"
* without express or implied warranty of any kind.
*
* These notices must be retained in any copies of any part of this
* documentation and/or software.
*/
#if HAVE_NBTOOL_CONFIG_H
#include "nbtool_config.h"
#endif
#include <sys/cdefs.h>
#if defined(__RCSID) && !defined(lint)
__RCSID("$NetBSD: md5.c,v 1.10 2008/12/29 00:51:29 christos Exp $");
#endif /* not lint */
#include <sys/types.h>
#include <err.h>
#include <md5.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
void MD5Filter(int);
void MD5String(const char *);
void MD5TestSuite(void);
void MD5TimeTrial(void);
#ifndef HASHTYPE
#define HASHTYPE "MD5"
#endif
#ifndef HASHLEN
#define HASHLEN 32
#endif
/*
* Length of test block, number of test blocks.
*/
#define TEST_BLOCK_LEN 1000
#define TEST_BLOCK_COUNT 1000
/*
* Digests a string and prints the result.
*/
void
MD5String(const char *string)
{
unsigned int len = strlen(string);
char buf[HASHLEN + 1];
printf("%s (\"%s\") = %s\n", HASHTYPE, string,
MD5Data((const unsigned char *)string, len, buf));
}
/*
* Measures the time to digest TEST_BLOCK_COUNT TEST_BLOCK_LEN-byte blocks.
*/
void
MD5TimeTrial(void)
{
MD5_CTX context;
time_t endTime, startTime;
unsigned char block[TEST_BLOCK_LEN];
unsigned int i;
char *p, buf[HASHLEN + 1];
printf("%s time trial. Digesting %d %d-byte blocks ...", HASHTYPE,
TEST_BLOCK_LEN, TEST_BLOCK_COUNT);
fflush(stdout);
/* Initialize block */
for (i = 0; i < TEST_BLOCK_LEN; i++)
block[i] = (unsigned char) (i & 0xff);
/* Start timer */
time(&startTime);
/* Digest blocks */
MD5Init(&context);
for (i = 0; i < TEST_BLOCK_COUNT; i++)
MD5Update(&context, block, TEST_BLOCK_LEN);
p = MD5End(&context,buf);
/* Stop timer */
time(&endTime);
printf(" done\n");
printf("Digest = %s\n", p);
printf("Time = %ld seconds\n", (long) (endTime - startTime));
/*
* Be careful that endTime-startTime is not zero.
* (Bug fix from Ric * Anderson, ric@Artisoft.COM.)
*/
printf("Speed = %lld bytes/second\n",
(long long) TEST_BLOCK_LEN * TEST_BLOCK_COUNT /
((endTime - startTime) != 0 ? (endTime - startTime) : 1));
}
/*
* Digests a reference suite of strings and prints the results.
*/
void
MD5TestSuite(void)
{
printf("%s test suite:\n", HASHTYPE);
MD5String("");
MD5String("a");
MD5String("abc");
MD5String("message digest");
MD5String("abcdefghijklmnopqrstuvwxyz");
MD5String("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq");
MD5String
("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789");
MD5String
("1234567890123456789012345678901234567890\
1234567890123456789012345678901234567890");
}
/*
* Digests the standard input and prints the result.
*/
void
MD5Filter(int pipe)
{
MD5_CTX context;
size_t len;
unsigned char buffer[BUFSIZ];
char buf[HASHLEN + 1];
MD5Init(&context);
while ((len = fread(buffer, (size_t)1, (size_t)BUFSIZ, stdin)) > 0) {
if (pipe && (len != fwrite(buffer, (size_t)1, len, stdout)))
err(1, "stdout");
MD5Update(&context, buffer, (unsigned int)len);
}
printf("%s\n", MD5End(&context,buf));
}