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md5.c revision 1.3 
      1 /*	$NetBSD: md5.c,v 1.3 2001/03/20 18:46:26 atatat 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 1.3 2001/03/20 18:46:26 atatat 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	MD5Filter __P((int));
     34 void	MD5String __P((const char *));
     35 void	MD5TestSuite __P((void));
     36 void	MD5TimeTrial __P((void));
     37 
     38 #ifndef HASHTYPE
     39 #define HASHTYPE "MD5"
     40 #endif
     41 
     42 #ifndef HASHLEN
     43 #define HASHLEN 32
     44 #endif
     45 
     46 /*
     47  * Length of test block, number of test blocks.
     48  */
     49 #define TEST_BLOCK_LEN 1000
     50 #define TEST_BLOCK_COUNT 1000
     51 
     52 /*
     53  * Digests a string and prints the result.
     54  */
     55 void
     56 MD5String(string)
     57 	const char *string;
     58 {
     59 	unsigned int len = strlen(string);
     60 	char buf[HASHLEN + 1];
     61 
     62 	printf("%s (\"%s\") = %s\n", HASHTYPE, string,
     63 	       MD5Data(string, len, buf));
     64 }
     65 
     66 /*
     67  * Measures the time to digest TEST_BLOCK_COUNT TEST_BLOCK_LEN-byte blocks.
     68  */
     69 void
     70 MD5TimeTrial()
     71 {
     72 	MD5_CTX context;
     73 	time_t endTime, startTime;
     74 	unsigned char block[TEST_BLOCK_LEN];
     75 	unsigned int i;
     76 	char *p, buf[HASHLEN + 1];
     77 
     78 	printf("%s time trial.  Digesting %d %d-byte blocks ...", HASHTYPE,
     79 	    TEST_BLOCK_LEN, TEST_BLOCK_COUNT);
     80 	fflush(stdout);
     81 
     82 	/* Initialize block */
     83 	for (i = 0; i < TEST_BLOCK_LEN; i++)
     84 		block[i] = (unsigned char) (i & 0xff);
     85 
     86 	/* Start timer */
     87 	time(&startTime);
     88 
     89 	/* Digest blocks */
     90 	MD5Init(&context);
     91 	for (i = 0; i < TEST_BLOCK_COUNT; i++)
     92 		MD5Update(&context, block, TEST_BLOCK_LEN);
     93 	p = MD5End(&context,buf);
     94 
     95 	/* Stop timer */
     96 	time(&endTime);
     97 
     98 	printf(" done\n");
     99 	printf("Digest = %s\n", p);
    100 	printf("Time = %ld seconds\n", (long) (endTime - startTime));
    101 
    102 	/*
    103 	 * Be careful that endTime-startTime is not zero.
    104 	 * (Bug fix from Ric * Anderson, ric (at) Artisoft.COM.)
    105 	 */
    106 	printf("Speed = %ld bytes/second\n",
    107 	    (long) TEST_BLOCK_LEN * (long) TEST_BLOCK_COUNT /
    108 	    ((endTime - startTime) != 0 ? (endTime - startTime) : 1));
    109 }
    110 
    111 /*
    112  * Digests a reference suite of strings and prints the results.
    113  */
    114 void
    115 MD5TestSuite()
    116 {
    117 	printf("%s test suite:\n", HASHTYPE);
    118 
    119 	MD5String("");
    120 	MD5String("a");
    121 	MD5String("abc");
    122 	MD5String("message digest");
    123 	MD5String("abcdefghijklmnopqrstuvwxyz");
    124 	MD5String("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq");
    125 	MD5String
    126 	    ("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789");
    127 	MD5String
    128 	    ("1234567890123456789012345678901234567890\
    129 1234567890123456789012345678901234567890");
    130 }
    131 
    132 /*
    133  * Digests the standard input and prints the result.
    134  */
    135 void
    136 MD5Filter(pipe)
    137 	int pipe;
    138 {
    139 	MD5_CTX context;
    140 	int len;
    141 	unsigned char buffer[BUFSIZ];
    142 	char buf[HASHLEN + 1];
    143 
    144 	MD5Init(&context);
    145 	while ((len = fread(buffer, 1, BUFSIZ, stdin)) > 0) {
    146 		if (pipe && (len != fwrite(buffer, 1, len, stdout)))
    147 			err(1, "stdout");
    148 		MD5Update(&context, buffer, len);
    149 	}
    150 	printf("%s\n", MD5End(&context,buf));
    151 }
    152