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md5.c revision 1.2 
      1 /*	$NetBSD: md5.c,v 1.2 1997/10/17 11:37:09 lukem Exp $	*/
      2 
      3 /*
      4  * MDDRIVER.C - test driver for MD2, MD4 and MD5
      5  */
      6 
      7 /*
      8  *  Copyright (C) 1990-2, RSA Data Security, Inc. Created 1990. All
      9  *  rights reserved.
     10  *
     11  *  RSA Data Security, Inc. makes no representations concerning either
     12  *  the merchantability of this software or the suitability of this
     13  *  software for any particular purpose. It is provided "as is"
     14  *  without express or implied warranty of any kind.
     15  *
     16  *  These notices must be retained in any copies of any part of this
     17  *  documentation and/or software.
     18  */
     19 
     20 #include <sys/cdefs.h>
     21 #ifndef lint
     22 __RCSID("$NetBSD: md5.c,v 1.2 1997/10/17 11:37:09 lukem Exp $");
     23 #endif /* not lint */
     24 
     25 #include <sys/types.h>
     26 
     27 #include <err.h>
     28 #include <md5.h>
     29 #include <stdio.h>
     30 #include <string.h>
     31 #include <time.h>
     32 
     33 void	MDFilter __P((int));
     34 void	MDString __P((const char *));
     35 void	MDTestSuite __P((void));
     36 void	MDTimeTrial __P((void));
     37 
     38 /*
     39  * Length of test block, number of test blocks.
     40  */
     41 #define TEST_BLOCK_LEN 1000
     42 #define TEST_BLOCK_COUNT 1000
     43 
     44 /*
     45  * Digests a string and prints the result.
     46  */
     47 void
     48 MDString(string)
     49 	const char *string;
     50 {
     51 	unsigned int len = strlen(string);
     52 	char buf[33];
     53 
     54 	printf("MD5 (\"%s\") = %s\n", string, MD5Data(string, len, buf));
     55 }
     56 
     57 /*
     58  * Measures the time to digest TEST_BLOCK_COUNT TEST_BLOCK_LEN-byte blocks.
     59  */
     60 void
     61 MDTimeTrial()
     62 {
     63 	MD5_CTX context;
     64 	time_t endTime, startTime;
     65 	unsigned char block[TEST_BLOCK_LEN];
     66 	unsigned int i;
     67 	char *p, buf[33];
     68 
     69 	printf("MD5 time trial.  Digesting %d %d-byte blocks ...",
     70 	    TEST_BLOCK_LEN, TEST_BLOCK_COUNT);
     71 	fflush(stdout);
     72 
     73 	/* Initialize block */
     74 	for (i = 0; i < TEST_BLOCK_LEN; i++)
     75 		block[i] = (unsigned char) (i & 0xff);
     76 
     77 	/* Start timer */
     78 	time(&startTime);
     79 
     80 	/* Digest blocks */
     81 	MD5Init(&context);
     82 	for (i = 0; i < TEST_BLOCK_COUNT; i++)
     83 		MD5Update(&context, block, TEST_BLOCK_LEN);
     84 	p = MD5End(&context,buf);
     85 
     86 	/* Stop timer */
     87 	time(&endTime);
     88 
     89 	printf(" done\n");
     90 	printf("Digest = %s\n", p);
     91 	printf("Time = %ld seconds\n", (long) (endTime - startTime));
     92 
     93 	/*
     94 	 * Be careful that endTime-startTime is not zero.
     95 	 * (Bug fix from Ric * Anderson, ric (at) Artisoft.COM.)
     96 	 */
     97 	printf("Speed = %ld bytes/second\n",
     98 	    (long) TEST_BLOCK_LEN * (long) TEST_BLOCK_COUNT /
     99 	    ((endTime - startTime) != 0 ? (endTime - startTime) : 1));
    100 }
    101 
    102 /*
    103  * Digests a reference suite of strings and prints the results.
    104  */
    105 void
    106 MDTestSuite()
    107 {
    108 	printf("MD5 test suite:\n");
    109 
    110 	MDString("");
    111 	MDString("a");
    112 	MDString("abc");
    113 	MDString("message digest");
    114 	MDString("abcdefghijklmnopqrstuvwxyz");
    115 	MDString
    116 	    ("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789");
    117 	MDString
    118 	    ("1234567890123456789012345678901234567890\
    119 1234567890123456789012345678901234567890");
    120 }
    121 
    122 /*
    123  * Digests the standard input and prints the result.
    124  */
    125 void
    126 MDFilter(pipe)
    127 	int pipe;
    128 {
    129 	MD5_CTX context;
    130 	int len;
    131 	unsigned char buffer[BUFSIZ];
    132 	char buf[33];
    133 
    134 	MD5Init(&context);
    135 	while ((len = fread(buffer, 1, BUFSIZ, stdin)) > 0) {
    136 		if (pipe && (len != fwrite(buffer, 1, len, stdout)))
    137 			err(1, "stdout");
    138 		MD5Update(&context, buffer, len);
    139 	}
    140 	printf("%s\n", MD5End(&context,buf));
    141 }
    142