usr.bin/cksum/md5.c

   1 /*      $NetBSD: md5.c,v 1.10 2008/12/29 00:51:29 christos 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 #if HAVE_NBTOOL_CONFIG_H
  21 #include "nbtool_config.h"
  22 #endif
  23
  24 #include <sys/cdefs.h>
  25 #if defined(__RCSID) && !defined(lint)
  26 __RCSID("$NetBSD: md5.c,v 1.10 2008/12/29 00:51:29 christos Exp $");
  27 #endif /* not lint */
  28
  29 #include <sys/types.h>
  30
  31 #include <err.h>
  32 #include <md5.h>
  33 #include <stdio.h>
  34 #include <string.h>
  35 #include <time.h>
  36
  37 void    MD5Filter(int);
  38 void    MD5String(const char *);
  39 void    MD5TestSuite(void);
  40 void    MD5TimeTrial(void);
  41
  42 #ifndef HASHTYPE
  43 #define HASHTYPE "MD5"
  44 #endif
  45
  46 #ifndef HASHLEN
  47 #define HASHLEN 32
  48 #endif
  49
  50 /*
  51  * Length of test block, number of test blocks.
  52  */
  53 #define TEST_BLOCK_LEN 1000
  54 #define TEST_BLOCK_COUNT 1000
  55
  56 /*
  57  * Digests a string and prints the result.
  58  */
  59 void
  60 MD5String(const char *string)
  61 {
  62         unsigned int len = strlen(string);
  63         char buf[HASHLEN + 1];
  64
  65         printf("%s (\"%s\") = %s\n", HASHTYPE, string,
  66                MD5Data((const unsigned char *)string, len, buf));
  67 }
  68
  69 /*
  70  * Measures the time to digest TEST_BLOCK_COUNT TEST_BLOCK_LEN-byte blocks.
  71  */
  72 void
  73 MD5TimeTrial(void)
  74 {
  75         MD5_CTX context;
  76         time_t endTime, startTime;
  77         unsigned char block[TEST_BLOCK_LEN];
  78         unsigned int i;
  79         char *p, buf[HASHLEN + 1];
  80
  81         printf("%s time trial.  Digesting %d %d-byte blocks ...", HASHTYPE,
  82             TEST_BLOCK_LEN, TEST_BLOCK_COUNT);
  83         fflush(stdout);
  84
  85         /* Initialize block */
  86         for (i = 0; i < TEST_BLOCK_LEN; i++)
  87                 block[i] = (unsigned char) (i & 0xff);
  88
  89         /* Start timer */
  90         time(&startTime);
  91
  92         /* Digest blocks */
  93         MD5Init(&context);
  94         for (i = 0; i < TEST_BLOCK_COUNT; i++)
  95                 MD5Update(&context, block, TEST_BLOCK_LEN);
  96         p = MD5End(&context,buf);
  97
  98         /* Stop timer */
  99         time(&endTime);
 100
 101         printf(" done\n");
 102         printf("Digest = %s\n", p);
 103         printf("Time = %ld seconds\n", (long) (endTime - startTime));
 104
 105         /*
 106          * Be careful that endTime-startTime is not zero.
 107          * (Bug fix from Ric * Anderson, ric@Artisoft.COM.)
 108          */
 109         printf("Speed = %lld bytes/second\n",
 110             (long long) TEST_BLOCK_LEN * TEST_BLOCK_COUNT /
 111             ((endTime - startTime) != 0 ? (endTime - startTime) : 1));
 112 }
 113
 114 /*
 115  * Digests a reference suite of strings and prints the results.
 116  */
 117 void
 118 MD5TestSuite(void)
 119 {
 120         printf("%s test suite:\n", HASHTYPE);
 121
 122         MD5String("");
 123         MD5String("a");
 124         MD5String("abc");
 125         MD5String("message digest");
 126         MD5String("abcdefghijklmnopqrstuvwxyz");
 127         MD5String("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq");
 128         MD5String
 129             ("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789");
 130         MD5String
 131             ("1234567890123456789012345678901234567890\
 132 1234567890123456789012345678901234567890");
 133 }
 134
 135 /*
 136  * Digests the standard input and prints the result.
 137  */
 138 void
 139 MD5Filter(int pipe)
 140 {
 141         MD5_CTX context;
 142         size_t len;
 143         unsigned char buffer[BUFSIZ];
 144         char buf[HASHLEN + 1];
 145
 146         MD5Init(&context);
 147         while ((len = fread(buffer, (size_t)1, (size_t)BUFSIZ, stdin)) > 0) {
 148                 if (pipe && (len != fwrite(buffer, (size_t)1, len, stdout)))
 149                         err(1, "stdout");
 150                 MD5Update(&context, buffer, (unsigned int)len);
 151         }
 152         printf("%s\n", MD5End(&context,buf));
 153 }