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/*
* Derived from:
*
* 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/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <err.h>
#include <md5.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
/*
* Length of test block, number of test blocks.
*/
#define TEST_BLOCK_LEN 10000
#define TEST_BLOCK_COUNT 100000
int qflag;
int rflag;
int sflag;
static void MDString(const char *);
static void MDTimeTrial(void);
static void MDTestSuite(void);
static void MDFilter(int);
static void usage(void);
/* Main driver.
Arguments (may be any combination):
-sstring - digests string
-t - runs time trial
-x - runs test script
filename - digests file
(none) - digests standard input
*/
int
main(int argc, char *argv[])
{
int ch;
char *p;
char buf[33];
while ((ch = getopt(argc, argv, "pqrs:tx")) != -1)
switch (ch) {
case 'p':
MDFilter(1);
break;
case 'q':
qflag = 1;
break;
case 'r':
rflag = 1;
break;
case 's':
sflag = 1;
MDString(optarg);
break;
case 't':
MDTimeTrial();
break;
case 'x':
MDTestSuite();
break;
default:
usage();
}
argc -= optind;
argv += optind;
if (*argv) {
do {
p = MD5File(*argv, buf);
if (!p)
warn("%s", *argv);
else
if (qflag)
printf("%s\n", p);
else if (rflag)
printf("%s %s\n", p, *argv);
else
printf("MD5 (%s) = %s\n", *argv, p);
} while (*++argv);
} else if (!sflag && (optind == 1 || qflag || rflag))
MDFilter(0);
return (0);
}
/*
* Digests a string and prints the result.
*/
static void
MDString(const char *string)
{
size_t len = strlen(string);
char buf[33];
if (qflag)
printf("%s\n", MD5Data(string, len, buf));
else if (rflag)
printf("%s \"%s\"\n", MD5Data(string, len, buf), string);
else
printf("MD5 (\"%s\") = %s\n", string, MD5Data(string, len, buf));
}
/*
* Measures the time to digest TEST_BLOCK_COUNT TEST_BLOCK_LEN-byte blocks.
*/
static void
MDTimeTrial(void)
{
MD5_CTX context;
struct rusage before, after;
struct timeval total;
float seconds;
unsigned char block[TEST_BLOCK_LEN];
unsigned int i;
char *p, buf[33];
printf
("MD5 time trial. Digesting %d %d-byte blocks ...",
TEST_BLOCK_COUNT, TEST_BLOCK_LEN);
fflush(stdout);
/* Initialize block */
for (i = 0; i < TEST_BLOCK_LEN; i++)
block[i] = (unsigned char) (i & 0xff);
/* Start timer */
getrusage(0, &before);
/* Digest blocks */
MD5Init(&context);
for (i = 0; i < TEST_BLOCK_COUNT; i++)
MD5Update(&context, block, TEST_BLOCK_LEN);
p = MD5End(&context,buf);
/* Stop timer */
getrusage(0, &after);
timersub(&after.ru_utime, &before.ru_utime, &total);
seconds = total.tv_sec + (float) total.tv_usec / 1000000;
printf(" done\n");
printf("Digest = %s", p);
printf("\nTime = %f seconds\n", seconds);
printf
("Speed = %f bytes/second\n",
(float) TEST_BLOCK_LEN * (float) TEST_BLOCK_COUNT / seconds);
}
/*
* Digests a reference suite of strings and prints the results.
*/
#define MD5TESTCOUNT 8
char *MDTestInput[] = {
"",
"a",
"abc",
"message digest",
"abcdefghijklmnopqrstuvwxyz",
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
"12345678901234567890123456789012345678901234567890123456789012345678901234567890",
"MD5 has not yet (2001-09-03) been broken, but sufficient attacks have been made that its security is in some doubt"
};
char *MDTestOutput[MD5TESTCOUNT] = {
"d41d8cd98f00b204e9800998ecf8427e",
"0cc175b9c0f1b6a831c399e269772661",
"900150983cd24fb0d6963f7d28e17f72",
"f96b697d7cb7938d525a2f31aaf161d0",
"c3fcd3d76192e4007dfb496cca67e13b",
"d174ab98d277d9f5a5611c2c9f419d9f",
"57edf4a22be3c955ac49da2e2107b67a",
"b50663f41d44d92171cb9976bc118538"
};
static void
MDTestSuite(void)
{
int i;
char buffer[33];
printf("MD5 test suite:\n");
for (i = 0; i < MD5TESTCOUNT; i++) {
MD5Data(MDTestInput[i], strlen(MDTestInput[i]), buffer);
printf("MD5 (\"%s\") = %s", MDTestInput[i], buffer);
if (strcmp(buffer, MDTestOutput[i]) == 0)
printf(" - verified correct\n");
else
printf(" - INCORRECT RESULT!\n");
}
}
/*
* Digests the standard input and prints the result.
*/
static void
MDFilter(int tee)
{
MD5_CTX context;
unsigned int len;
unsigned char buffer[BUFSIZ];
char buf[33];
MD5Init(&context);
while ((len = fread(buffer, 1, BUFSIZ, stdin))) {
if (tee && len != fwrite(buffer, 1, len, stdout))
err(1, "stdout");
MD5Update(&context, buffer, len);
}
printf("%s\n", MD5End(&context,buf));
}
static void
usage(void)
{
fprintf(stderr, "usage: md5 [-pqrtx] [-s string] [files ...]\n");
exit(1);
}
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