sbin/md5/md5.c

   1 /*
   2  * Derived from:
   3  *
   4  * MDDRIVER.C - test driver for MD2, MD4 and MD5
   5  *
   6  * $FreeBSD: src/sbin/md5/md5.c,v 1.33 2004/06/22 09:18:50 eik Exp $
   7  * $DragonFly: src/sbin/md5/md5.c,v 1.3 2005/03/09 16:18:55 corecode Exp $
   8  */
   9
  10 /*
  11  *  Copyright (C) 1990-2, RSA Data Security, Inc. Created 1990. All
  12  *  rights reserved.
  13  *
  14  *  RSA Data Security, Inc. makes no representations concerning either
  15  *  the merchantability of this software or the suitability of this
  16  *  software for any particular purpose. It is provided "as is"
  17  *  without express or implied warranty of any kind.
  18  *
  19  *  These notices must be retained in any copies of any part of this
  20  *  documentation and/or software.
  21  */
  22
  23 #include <sys/cdefs.h>
  24
  25 #include <sys/types.h>
  26 #include <sys/time.h>
  27 #include <sys/resource.h>
  28 #include <err.h>
  29 #include <md5.h>
  30 #include <ripemd.h>
  31 #include <sha.h>
  32 #include <stdio.h>
  33 #include <stdlib.h>
  34 #include <string.h>
  35 #include <time.h>
  36 #include <unistd.h>
  37
  38 /*
  39  * Length of test block, number of test blocks.
  40  */
  41 #define TEST_BLOCK_LEN 10000
  42 #define TEST_BLOCK_COUNT 100000
  43 #define MDTESTCOUNT 8
  44
  45 int qflag;
  46 int rflag;
  47 int sflag;
  48
  49 typedef void (DIGEST_Init)(void *);
  50 typedef void (DIGEST_Update)(void *, const unsigned char *, size_t);
  51 typedef char *(DIGEST_End)(void *, char *);
  52
  53 extern const char *MD5TestOutput[MDTESTCOUNT];
  54 extern const char *SHA1_TestOutput[MDTESTCOUNT];
  55 extern const char *RIPEMD160_TestOutput[MDTESTCOUNT];
  56
  57 typedef struct Algorithm_t {
  58         const char *progname;
  59         const char *name;
  60         const char *(*TestOutput)[MDTESTCOUNT];
  61         DIGEST_Init *Init;
  62         DIGEST_Update *Update;
  63         DIGEST_End *End;
  64         char *(*Data)(const unsigned char *, unsigned int, char *);
  65         char *(*File)(const char *, char *);
  66 } Algorithm_t;
  67
  68 static void MD5_Update(MD5_CTX *, const unsigned char *, size_t);
  69 static void MDString(Algorithm_t *, const char *);
  70 static void MDTimeTrial(Algorithm_t *);
  71 static void MDTestSuite(Algorithm_t *);
  72 static void MDFilter(Algorithm_t *, int);
  73 static void usage(Algorithm_t *);
  74
  75 typedef union {
  76         MD5_CTX md5;
  77         SHA1_CTX sha1;
  78         RIPEMD160_CTX ripemd160;
  79 } DIGEST_CTX;
  80
  81 /* max(MD5_DIGEST_LENGTH, SHA_DIGEST_LENGTH, RIPEMD160_DIGEST_LENGTH)*2+1 */
  82 #define HEX_DIGEST_LENGTH 41
  83
  84 /* algorithm function table */
  85
  86 struct Algorithm_t Algorithm[] = {
  87         { "md5", "MD5", &MD5TestOutput, (DIGEST_Init*)&MD5Init,
  88                 (DIGEST_Update*)&MD5_Update, (DIGEST_End*)&MD5End,
  89                 &MD5Data, &MD5File },
  90         { "sha1", "SHA1", &SHA1_TestOutput, (DIGEST_Init*)&SHA1_Init,
  91                 (DIGEST_Update*)&SHA1_Update, (DIGEST_End*)&SHA1_End,
  92                 &SHA1_Data, &SHA1_File },
  93         { "rmd160", "RMD160", &RIPEMD160_TestOutput,
  94                 (DIGEST_Init*)&RIPEMD160_Init, (DIGEST_Update*)&RIPEMD160_Update,
  95                 (DIGEST_End*)&RIPEMD160_End, &RIPEMD160_Data, &RIPEMD160_File }
  96 };
  97
  98 static void
  99 MD5_Update(MD5_CTX *c, const unsigned char *data, size_t len)
 100 {
 101         MD5Update(c, data, len);
 102 }
 103
 104 /* Main driver.
 105
 106 Arguments (may be any combination):
 107   -sstring - digests string
 108   -t       - runs time trial
 109   -x       - runs test script
 110   filename - digests file
 111   (none)   - digests standard input
 112  */
 113 int
 114 main(int argc, char *argv[])
 115 {
 116         int     ch;
 117         char   *p;
 118         char    buf[HEX_DIGEST_LENGTH];
 119         int     failed;
 120         unsigned        digest;
 121         const char*     progname;
 122
 123         if ((progname = strrchr(argv[0], '/')) == NULL)
 124                 progname = argv[0];
 125         else
 126                 progname++;
 127
 128         for (digest = 0; digest < sizeof(Algorithm)/sizeof(*Algorithm); digest++)
 129                 if (strcasecmp(Algorithm[digest].progname, progname) == 0)
 130                         break;
 131
 132         if (digest == sizeof(Algorithm)/sizeof(*Algorithm))
 133                 digest = 0;
 134
 135         failed = 0;
 136         while ((ch = getopt(argc, argv, "pqrs:tx")) != -1)
 137                 switch (ch) {
 138                 case 'p':
 139                         MDFilter(&Algorithm[digest], 1);
 140                         break;
 141                 case 'q':
 142                         qflag = 1;
 143                         break;
 144                 case 'r':
 145                         rflag = 1;
 146                         break;
 147                 case 's':
 148                         sflag = 1;
 149                         MDString(&Algorithm[digest], optarg);
 150                         break;
 151                 case 't':
 152                         MDTimeTrial(&Algorithm[digest]);
 153                         break;
 154                 case 'x':
 155                         MDTestSuite(&Algorithm[digest]);
 156                         break;
 157                 default:
 158                         usage(&Algorithm[digest]);
 159                 }
 160         argc -= optind;
 161         argv += optind;
 162
 163         if (*argv) {
 164                 do {
 165                         p = Algorithm[digest].File(*argv, buf);
 166                         if (!p) {
 167                                 warn("%s", *argv);
 168                                 failed++;
 169                         } else {
 170                                 if (qflag)
 171                                         printf("%s\n", p);
 172                                 else if (rflag)
 173                                         printf("%s %s\n", p, *argv);
 174                                 else
 175                                         printf("%s (%s) = %s\n", Algorithm[digest].name, *argv, p);
 176                         }
 177                 } while (*++argv);
 178         } else if (!sflag && (optind == 1 || qflag || rflag))
 179                 MDFilter(&Algorithm[digest], 0);
 180
 181         if (failed != 0)
 182                 return (1);
 183
 184         return (0);
 185 }
 186 /*
 187  * Digests a string and prints the result.
 188  */
 189 static void
 190 MDString(Algorithm_t *alg, const char *string)
 191 {
 192         size_t len = strlen(string);
 193         char buf[HEX_DIGEST_LENGTH];
 194
 195         if (qflag)
 196                 printf("%s\n", alg->Data(string, len, buf));
 197         else if (rflag)
 198                 printf("%s \"%s\"\n", alg->Data(string, len, buf), string);
 199         else
 200                 printf("%s (\"%s\") = %s\n", alg->name, string, alg->Data(string, len, buf));
 201 }
 202 /*
 203  * Measures the time to digest TEST_BLOCK_COUNT TEST_BLOCK_LEN-byte blocks.
 204  */
 205 static void
 206 MDTimeTrial(Algorithm_t *alg)
 207 {
 208         DIGEST_CTX context;
 209         struct rusage before, after;
 210         struct timeval total;
 211         float seconds;
 212         unsigned char block[TEST_BLOCK_LEN];
 213         unsigned int i;
 214         char   *p, buf[HEX_DIGEST_LENGTH];
 215
 216         printf
 217             ("%s time trial. Digesting %d %d-byte blocks ...",
 218             alg->name, TEST_BLOCK_COUNT, TEST_BLOCK_LEN);
 219         fflush(stdout);
 220
 221         /* Initialize block */
 222         for (i = 0; i < TEST_BLOCK_LEN; i++)
 223                 block[i] = (unsigned char) (i & 0xff);
 224
 225         /* Start timer */
 226         getrusage(0, &before);
 227
 228         /* Digest blocks */
 229         alg->Init(&context);
 230         for (i = 0; i < TEST_BLOCK_COUNT; i++)
 231                 alg->Update(&context, block, TEST_BLOCK_LEN);
 232         p = alg->End(&context, buf);
 233
 234         /* Stop timer */
 235         getrusage(0, &after);
 236         timersub(&after.ru_utime, &before.ru_utime, &total);
 237         seconds = total.tv_sec + (float) total.tv_usec / 1000000;
 238
 239         printf(" done\n");
 240         printf("Digest = %s", p);
 241         printf("\nTime = %f seconds\n", seconds);
 242         printf
 243             ("Speed = %f bytes/second\n",
 244             (float) TEST_BLOCK_LEN * (float) TEST_BLOCK_COUNT / seconds);
 245 }
 246 /*
 247  * Digests a reference suite of strings and prints the results.
 248  */
 249
 250 const char *MDTestInput[MDTESTCOUNT] = {
 251         "",
 252         "a",
 253         "abc",
 254         "message digest",
 255         "abcdefghijklmnopqrstuvwxyz",
 256         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
 257         "12345678901234567890123456789012345678901234567890123456789012345678901234567890",
 258         "MD5 has not yet (2001-09-03) been broken, but sufficient attacks have been made \
 259 that its security is in some doubt"
 260 };
 261
 262 const char *MD5TestOutput[MDTESTCOUNT] = {
 263         "d41d8cd98f00b204e9800998ecf8427e",
 264         "0cc175b9c0f1b6a831c399e269772661",
 265         "900150983cd24fb0d6963f7d28e17f72",
 266         "f96b697d7cb7938d525a2f31aaf161d0",
 267         "c3fcd3d76192e4007dfb496cca67e13b",
 268         "d174ab98d277d9f5a5611c2c9f419d9f",
 269         "57edf4a22be3c955ac49da2e2107b67a",
 270         "b50663f41d44d92171cb9976bc118538"
 271 };
 272
 273 const char *SHA1_TestOutput[MDTESTCOUNT] = {
 274         "da39a3ee5e6b4b0d3255bfef95601890afd80709",
 275         "86f7e437faa5a7fce15d1ddcb9eaeaea377667b8",
 276         "a9993e364706816aba3e25717850c26c9cd0d89d",
 277         "c12252ceda8be8994d5fa0290a47231c1d16aae3",
 278         "32d10c7b8cf96570ca04ce37f2a19d84240d3a89",
 279         "761c457bf73b14d27e9e9265c46f4b4dda11f940",
 280         "50abf5706a150990a08b2c5ea40fa0e585554732",
 281         "18eca4333979c4181199b7b4fab8786d16cf2846"
 282 };
 283
 284 const char *RIPEMD160_TestOutput[MDTESTCOUNT] = {
 285         "9c1185a5c5e9fc54612808977ee8f548b2258d31",
 286         "0bdc9d2d256b3ee9daae347be6f4dc835a467ffe",
 287         "8eb208f7e05d987a9b044a8e98c6b087f15a0bfc",
 288         "5d0689ef49d2fae572b881b123a85ffa21595f36",
 289         "f71c27109c692c1b56bbdceb5b9d2865b3708dbc",
 290         "b0e20b6e3116640286ed3a87a5713079b21f5189",
 291         "9b752e45573d4b39f4dbd3323cab82bf63326bfb",
 292         "5feb69c6bf7c29d95715ad55f57d8ac5b2b7dd32"
 293 };
 294
 295 static void
 296 MDTestSuite(Algorithm_t *alg)
 297 {
 298         int i;
 299         char buffer[HEX_DIGEST_LENGTH];
 300
 301         printf("%s test suite:\n", alg->name);
 302         for (i = 0; i < MDTESTCOUNT; i++) {
 303                 (*alg->Data)(MDTestInput[i], strlen(MDTestInput[i]), buffer);
 304                 printf("%s (\"%s\") = %s", alg->name, MDTestInput[i], buffer);
 305                 if (strcmp(buffer, (*alg->TestOutput)[i]) == 0)
 306                         printf(" - verified correct\n");
 307                 else
 308                         printf(" - INCORRECT RESULT!\n");
 309         }
 310 }
 311
 312 /*
 313  * Digests the standard input and prints the result.
 314  */
 315 static void
 316 MDFilter(Algorithm_t *alg, int tee)
 317 {
 318         DIGEST_CTX context;
 319         unsigned int len;
 320         unsigned char buffer[BUFSIZ];
 321         char buf[HEX_DIGEST_LENGTH];
 322
 323         alg->Init(&context);
 324         while ((len = fread(buffer, 1, BUFSIZ, stdin))) {
 325                 if (tee && len != fwrite(buffer, 1, len, stdout))
 326                         err(1, "stdout");
 327                 alg->Update(&context, buffer, len);
 328         }
 329         printf("%s\n", alg->End(&context, buf));
 330 }
 331
 332 static void
 333 usage(Algorithm_t *alg)
 334 {
 335
 336         fprintf(stderr, "usage: %s [-pqrtx] [-s string] [files ...]\n", alg->progname);
 337         exit(1);
 338 }