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250 lines
5.1 KiB
C
250 lines
5.1 KiB
C
/*
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* Derived from:
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*
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* MDDRIVER.C - test driver for MD2, MD4 and MD5
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*/
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/*
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* Copyright (C) 1990-2, RSA Data Security, Inc. Created 1990. All
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* rights reserved.
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*
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* RSA Data Security, Inc. makes no representations concerning either
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* the merchantability of this software or the suitability of this
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* software for any particular purpose. It is provided "as is"
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* without express or implied warranty of any kind.
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*
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* These notices must be retained in any copies of any part of this
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* documentation and/or software.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#include <err.h>
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#include <md5.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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/*
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* Length of test block, number of test blocks.
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*/
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#define TEST_BLOCK_LEN 10000
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#define TEST_BLOCK_COUNT 100000
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int qflag;
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int rflag;
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int sflag;
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static void MDString(const char *);
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static void MDTimeTrial(void);
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static void MDTestSuite(void);
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static void MDFilter(int);
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static void usage(void);
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/* Main driver.
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Arguments (may be any combination):
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-sstring - digests string
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-t - runs time trial
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-x - runs test script
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filename - digests file
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(none) - digests standard input
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*/
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int
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main(int argc, char *argv[])
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{
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int ch;
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char *p;
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char buf[33];
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int failed;
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failed = 0;
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while ((ch = getopt(argc, argv, "pqrs:tx")) != -1)
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switch (ch) {
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case 'p':
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MDFilter(1);
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break;
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case 'q':
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qflag = 1;
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break;
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case 'r':
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rflag = 1;
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break;
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case 's':
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sflag = 1;
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MDString(optarg);
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break;
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case 't':
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MDTimeTrial();
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break;
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case 'x':
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MDTestSuite();
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break;
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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if (*argv) {
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do {
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p = MD5File(*argv, buf);
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if (!p) {
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warn("%s", *argv);
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failed++;
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} else {
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if (qflag)
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printf("%s\n", p);
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else if (rflag)
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printf("%s %s\n", p, *argv);
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else
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printf("MD5 (%s) = %s\n", *argv, p);
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}
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} while (*++argv);
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} else if (!sflag && (optind == 1 || qflag || rflag))
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MDFilter(0);
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if (failed != 0)
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return (1);
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return (0);
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}
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/*
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* Digests a string and prints the result.
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*/
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static void
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MDString(const char *string)
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{
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size_t len = strlen(string);
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char buf[33];
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if (qflag)
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printf("%s\n", MD5Data(string, len, buf));
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else if (rflag)
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printf("%s \"%s\"\n", MD5Data(string, len, buf), string);
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else
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printf("MD5 (\"%s\") = %s\n", string, MD5Data(string, len, buf));
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}
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/*
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* Measures the time to digest TEST_BLOCK_COUNT TEST_BLOCK_LEN-byte blocks.
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*/
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static void
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MDTimeTrial(void)
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{
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MD5_CTX context;
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struct rusage before, after;
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struct timeval total;
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float seconds;
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unsigned char block[TEST_BLOCK_LEN];
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unsigned int i;
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char *p, buf[33];
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printf
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("MD5 time trial. Digesting %d %d-byte blocks ...",
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TEST_BLOCK_COUNT, TEST_BLOCK_LEN);
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fflush(stdout);
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/* Initialize block */
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for (i = 0; i < TEST_BLOCK_LEN; i++)
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block[i] = (unsigned char) (i & 0xff);
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/* Start timer */
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getrusage(0, &before);
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/* Digest blocks */
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MD5Init(&context);
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for (i = 0; i < TEST_BLOCK_COUNT; i++)
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MD5Update(&context, block, TEST_BLOCK_LEN);
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p = MD5End(&context,buf);
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/* Stop timer */
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getrusage(0, &after);
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timersub(&after.ru_utime, &before.ru_utime, &total);
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seconds = total.tv_sec + (float) total.tv_usec / 1000000;
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printf(" done\n");
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printf("Digest = %s", p);
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printf("\nTime = %f seconds\n", seconds);
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printf
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("Speed = %f bytes/second\n",
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(float) TEST_BLOCK_LEN * (float) TEST_BLOCK_COUNT / seconds);
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}
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/*
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* Digests a reference suite of strings and prints the results.
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*/
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#define MD5TESTCOUNT 8
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char *MDTestInput[] = {
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"",
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"a",
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"abc",
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"message digest",
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"abcdefghijklmnopqrstuvwxyz",
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"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
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"12345678901234567890123456789012345678901234567890123456789012345678901234567890",
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"MD5 has not yet (2001-09-03) been broken, but sufficient attacks have been made that its security is in some doubt"
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};
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char *MDTestOutput[MD5TESTCOUNT] = {
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"d41d8cd98f00b204e9800998ecf8427e",
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"0cc175b9c0f1b6a831c399e269772661",
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"900150983cd24fb0d6963f7d28e17f72",
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"f96b697d7cb7938d525a2f31aaf161d0",
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"c3fcd3d76192e4007dfb496cca67e13b",
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"d174ab98d277d9f5a5611c2c9f419d9f",
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"57edf4a22be3c955ac49da2e2107b67a",
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"b50663f41d44d92171cb9976bc118538"
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};
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static void
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MDTestSuite(void)
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{
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int i;
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char buffer[33];
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printf("MD5 test suite:\n");
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for (i = 0; i < MD5TESTCOUNT; i++) {
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MD5Data(MDTestInput[i], strlen(MDTestInput[i]), buffer);
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printf("MD5 (\"%s\") = %s", MDTestInput[i], buffer);
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if (strcmp(buffer, MDTestOutput[i]) == 0)
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printf(" - verified correct\n");
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else
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printf(" - INCORRECT RESULT!\n");
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}
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}
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/*
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* Digests the standard input and prints the result.
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*/
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static void
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MDFilter(int tee)
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{
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MD5_CTX context;
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unsigned int len;
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unsigned char buffer[BUFSIZ];
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char buf[33];
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MD5Init(&context);
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while ((len = fread(buffer, 1, BUFSIZ, stdin))) {
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if (tee && len != fwrite(buffer, 1, len, stdout))
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err(1, "stdout");
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MD5Update(&context, buffer, len);
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}
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printf("%s\n", MD5End(&context,buf));
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}
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static void
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usage(void)
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{
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fprintf(stderr, "usage: md5 [-pqrtx] [-s string] [files ...]\n");
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exit(1);
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}
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