NetBSD/usr.bin/cksum/md5.c
thorpej 0941c04d45 Add support for generating MD5 checksums, partially derived from the
FreeBSD md5(1) program.  MD5 checksums may be generated by using the
"-m" flag to cksum, or by invoking this program as "md5".
1997-01-30 01:10:32 +00:00

132 lines
2.9 KiB
C

/* $NetBSD: md5.c,v 1.1 1997/01/30 01:10:35 thorpej 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.
*/
#include <sys/types.h>
#include <err.h>
#include <md5.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
/*
* 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
MDString(string)
const char *string;
{
unsigned int len = strlen(string);
char buf[33];
printf("MD5 (\"%s\") = %s\n", string, MD5Data(string, len, buf));
}
/*
* Measures the time to digest TEST_BLOCK_COUNT TEST_BLOCK_LEN-byte blocks.
*/
void
MDTimeTrial()
{
MD5_CTX context;
time_t endTime, startTime;
unsigned char block[TEST_BLOCK_LEN];
unsigned int i;
char *p, buf[33];
printf("MD5 time trial. Digesting %d %d-byte blocks ...",
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 = %ld bytes/second\n",
(long) TEST_BLOCK_LEN * (long) TEST_BLOCK_COUNT /
((endTime - startTime) != 0 ? (endTime - startTime) : 1));
}
/*
* Digests a reference suite of strings and prints the results.
*/
void
MDTestSuite()
{
printf("MD5 test suite:\n");
MDString("");
MDString("a");
MDString("abc");
MDString("message digest");
MDString("abcdefghijklmnopqrstuvwxyz");
MDString
("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789");
MDString
("1234567890123456789012345678901234567890\
1234567890123456789012345678901234567890");
}
/*
* Digests the standard input and prints the result.
*/
void
MDFilter(pipe)
int pipe;
{
MD5_CTX context;
int len;
unsigned char buffer[BUFSIZ], digest[16];
char buf[33];
MD5Init(&context);
while (len = fread(buffer, 1, BUFSIZ, stdin)) {
if (pipe && (len != fwrite(buffer, 1, len, stdout)))
err(1, "stdout");
MD5Update(&context, buffer, len);
}
printf("%s\n", MD5End(&context,buf));
}