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 1.35 2006/01/17 15:35:57 phk Exp $
   7  * $DragonFly: src/sbin/md5/md5.c,v 1.4 2008/01/16 14:18:57 matthias 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 <sha256.h>
  33 #include <stdio.h>
  34 #include <stdlib.h>
  35 #include <string.h>
  36 #include <time.h>
  37 #include <unistd.h>
  38
  39 /*
  40  * Length of test block, number of test blocks.
  41  */
  42 #define TEST_BLOCK_LEN 10000
  43 #define TEST_BLOCK_COUNT 100000
  44 #define MDTESTCOUNT 8
  45
  46 int qflag;
  47 int rflag;
  48 int sflag;
  49
  50 typedef void (DIGEST_Init)(void *);
  51 typedef void (DIGEST_Update)(void *, const unsigned char *, size_t);
  52 typedef char *(DIGEST_End)(void *, char *);
  53
  54 extern const char *MD5TestOutput[MDTESTCOUNT];
  55 extern const char *SHA1_TestOutput[MDTESTCOUNT];
  56 extern const char *SHA256_TestOutput[MDTESTCOUNT];
  57 extern const char *RIPEMD160_TestOutput[MDTESTCOUNT];
  58
  59 typedef struct Algorithm_t {
  60         const char *progname;
  61         const char *name;
  62         const char *(*TestOutput)[MDTESTCOUNT];
  63         DIGEST_Init *Init;
  64         DIGEST_Update *Update;
  65         DIGEST_End *End;
  66         char *(*Data)(const void *, unsigned int, char *);
  67         char *(*File)(const char *, char *);
  68 } Algorithm_t;
  69
  70 static void MD5_Update(MD5_CTX *, const unsigned char *, size_t);
  71 static void MDString(Algorithm_t *, const char *);
  72 static void MDTimeTrial(Algorithm_t *);
  73 static void MDTestSuite(Algorithm_t *);
  74 static void MDFilter(Algorithm_t *, int);
  75 static void usage(Algorithm_t *);
  76
  77 typedef union {
  78         MD5_CTX md5;
  79         SHA1_CTX sha1;
  80         SHA256_CTX sha256;
  81         RIPEMD160_CTX ripemd160;
  82 } DIGEST_CTX;
  83
  84 /* max(MD5_DIGEST_LENGTH, SHA_DIGEST_LENGTH,
  85         SHA256_DIGEST_LENGTH, RIPEMD160_DIGEST_LENGTH)*2+1 */
  86 #define HEX_DIGEST_LENGTH 65
  87
  88 /* algorithm function table */
  89
  90 struct Algorithm_t Algorithm[] = {
  91         { "md5", "MD5", &MD5TestOutput, (DIGEST_Init*)&MD5Init,
  92                 (DIGEST_Update*)&MD5_Update, (DIGEST_End*)&MD5End,
  93                 &MD5Data, &MD5File },
  94         { "sha1", "SHA1", &SHA1_TestOutput, (DIGEST_Init*)&SHA1_Init,
  95                 (DIGEST_Update*)&SHA1_Update, (DIGEST_End*)&SHA1_End,
  96                 &SHA1_Data, &SHA1_File },
  97         { "sha256", "SHA256", &SHA256_TestOutput, (DIGEST_Init*)&SHA256_Init,
  98                 (DIGEST_Update*)&SHA256_Update, (DIGEST_End*)&SHA256_End,
  99                 &SHA256_Data, &SHA256_File },
 100         { "rmd160", "RMD160", &RIPEMD160_TestOutput,
 101                 (DIGEST_Init*)&RIPEMD160_Init, (DIGEST_Update*)&RIPEMD160_Update,
 102                 (DIGEST_End*)&RIPEMD160_End, &RIPEMD160_Data, &RIPEMD160_File }
 103 };
 104
 105 static void
 106 MD5_Update(MD5_CTX *c, const unsigned char *data, size_t len)
 107 {
 108         MD5Update(c, data, len);
 109 }
 110
 111 /* Main driver.
 112
 113 Arguments (may be any combination):
 114   -sstring - digests string
 115   -t       - runs time trial
 116   -x       - runs test script
 117   filename - digests file
 118   (none)   - digests standard input
 119  */
 120 int
 121 main(int argc, char *argv[])
 122 {
 123         int     ch;
 124         char   *p;
 125         char    buf[HEX_DIGEST_LENGTH];
 126         int     failed;
 127         unsigned        digest;
 128         const char*     progname;
 129
 130         if ((progname = strrchr(argv[0], '/')) == NULL)
 131                 progname = argv[0];
 132         else
 133                 progname++;
 134
 135         for (digest = 0; digest < sizeof(Algorithm)/sizeof(*Algorithm); digest++)
 136                 if (strcasecmp(Algorithm[digest].progname, progname) == 0)
 137                         break;
 138
 139         if (digest == sizeof(Algorithm)/sizeof(*Algorithm))
 140                 digest = 0;
 141
 142         failed = 0;
 143         while ((ch = getopt(argc, argv, "pqrs:tx")) != -1)
 144                 switch (ch) {
 145                 case 'p':
 146                         MDFilter(&Algorithm[digest], 1);
 147                         break;
 148                 case 'q':
 149                         qflag = 1;
 150                         break;
 151                 case 'r':
 152                         rflag = 1;
 153                         break;
 154                 case 's':
 155                         sflag = 1;
 156                         MDString(&Algorithm[digest], optarg);
 157                         break;
 158                 case 't':
 159                         MDTimeTrial(&Algorithm[digest]);
 160                         break;
 161                 case 'x':
 162                         MDTestSuite(&Algorithm[digest]);
 163                         break;
 164                 default:
 165                         usage(&Algorithm[digest]);
 166                 }
 167         argc -= optind;
 168         argv += optind;
 169
 170         if (*argv) {
 171                 do {
 172                         p = Algorithm[digest].File(*argv, buf);
 173                         if (!p) {
 174                                 warn("%s", *argv);
 175                                 failed++;
 176                         } else {
 177                                 if (qflag)
 178                                         printf("%s\n", p);
 179                                 else if (rflag)
 180                                         printf("%s %s\n", p, *argv);
 181                                 else
 182                                         printf("%s (%s) = %s\n", Algorithm[digest].name, *argv, p);
 183                         }
 184                 } while (*++argv);
 185         } else if (!sflag && (optind == 1 || qflag || rflag))
 186                 MDFilter(&Algorithm[digest], 0);
 187
 188         if (failed != 0)
 189                 return (1);
 190
 191         return (0);
 192 }
 193 /*
 194  * Digests a string and prints the result.
 195  */
 196 static void
 197 MDString(Algorithm_t *alg, const char *string)
 198 {
 199         size_t len = strlen(string);
 200         char buf[HEX_DIGEST_LENGTH];
 201
 202         if (qflag)
 203                 printf("%s\n", alg->Data(string, len, buf));
 204         else if (rflag)
 205                 printf("%s \"%s\"\n", alg->Data(string, len, buf), string);
 206         else
 207                 printf("%s (\"%s\") = %s\n", alg->name, string, alg->Data(string, len, buf));
 208 }
 209 /*
 210  * Measures the time to digest TEST_BLOCK_COUNT TEST_BLOCK_LEN-byte blocks.
 211  */
 212 static void
 213 MDTimeTrial(Algorithm_t *alg)
 214 {
 215         DIGEST_CTX context;
 216         struct rusage before, after;
 217         struct timeval total;
 218         float seconds;
 219         unsigned char block[TEST_BLOCK_LEN];
 220         unsigned int i;
 221         char   *p, buf[HEX_DIGEST_LENGTH];
 222
 223         printf
 224             ("%s time trial. Digesting %d %d-byte blocks ...",
 225             alg->name, TEST_BLOCK_COUNT, TEST_BLOCK_LEN);
 226         fflush(stdout);
 227
 228         /* Initialize block */
 229         for (i = 0; i < TEST_BLOCK_LEN; i++)
 230                 block[i] = (unsigned char) (i & 0xff);
 231
 232         /* Start timer */
 233         getrusage(0, &before);
 234
 235         /* Digest blocks */
 236         alg->Init(&context);
 237         for (i = 0; i < TEST_BLOCK_COUNT; i++)
 238                 alg->Update(&context, block, TEST_BLOCK_LEN);
 239         p = alg->End(&context, buf);
 240
 241         /* Stop timer */
 242         getrusage(0, &after);
 243         timersub(&after.ru_utime, &before.ru_utime, &total);
 244         seconds = total.tv_sec + (float) total.tv_usec / 1000000;
 245
 246         printf(" done\n");
 247         printf("Digest = %s", p);
 248         printf("\nTime = %f seconds\n", seconds);
 249         printf
 250             ("Speed = %f bytes/second\n",
 251             (float) TEST_BLOCK_LEN * (float) TEST_BLOCK_COUNT / seconds);
 252 }
 253 /*
 254  * Digests a reference suite of strings and prints the results.
 255  */
 256
 257 const char *MDTestInput[MDTESTCOUNT] = {
 258         "",
 259         "a",
 260         "abc",
 261         "message digest",
 262         "abcdefghijklmnopqrstuvwxyz",
 263         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
 264         "12345678901234567890123456789012345678901234567890123456789012345678901234567890",
 265         "MD5 has not yet (2001-09-03) been broken, but sufficient attacks have been made \
 266 that its security is in some doubt"
 267 };
 268
 269 const char *MD5TestOutput[MDTESTCOUNT] = {
 270         "d41d8cd98f00b204e9800998ecf8427e",
 271         "0cc175b9c0f1b6a831c399e269772661",
 272         "900150983cd24fb0d6963f7d28e17f72",
 273         "f96b697d7cb7938d525a2f31aaf161d0",
 274         "c3fcd3d76192e4007dfb496cca67e13b",
 275         "d174ab98d277d9f5a5611c2c9f419d9f",
 276         "57edf4a22be3c955ac49da2e2107b67a",
 277         "b50663f41d44d92171cb9976bc118538"
 278 };
 279
 280 const char *SHA1_TestOutput[MDTESTCOUNT] = {
 281         "da39a3ee5e6b4b0d3255bfef95601890afd80709",
 282         "86f7e437faa5a7fce15d1ddcb9eaeaea377667b8",
 283         "a9993e364706816aba3e25717850c26c9cd0d89d",
 284         "c12252ceda8be8994d5fa0290a47231c1d16aae3",
 285         "32d10c7b8cf96570ca04ce37f2a19d84240d3a89",
 286         "761c457bf73b14d27e9e9265c46f4b4dda11f940",
 287         "50abf5706a150990a08b2c5ea40fa0e585554732",
 288         "18eca4333979c4181199b7b4fab8786d16cf2846"
 289 };
 290
 291 const char *SHA256_TestOutput[MDTESTCOUNT] = {
 292         "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
 293         "ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb",
 294         "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad",
 295         "f7846f55cf23e14eebeab5b4e1550cad5b509e3348fbc4efa3a1413d393cb650",
 296         "71c480df93d6ae2f1efad1447c66c9525e316218cf51fc8d9ed832f2daf18b73",
 297         "db4bfcbd4da0cd85a60c3c37d3fbd8805c77f15fc6b1fdfe614ee0a7c8fdb4c0",
 298         "f371bc4a311f2b009eef952dd83ca80e2b60026c8e935592d0f9c308453c813e",
 299         "e6eae09f10ad4122a0e2a4075761d185a272ebd9f5aa489e998ff2f09cbfdd9f"
 300 };
 301
 302 const char *RIPEMD160_TestOutput[MDTESTCOUNT] = {
 303         "9c1185a5c5e9fc54612808977ee8f548b2258d31",
 304         "0bdc9d2d256b3ee9daae347be6f4dc835a467ffe",
 305         "8eb208f7e05d987a9b044a8e98c6b087f15a0bfc",
 306         "5d0689ef49d2fae572b881b123a85ffa21595f36",
 307         "f71c27109c692c1b56bbdceb5b9d2865b3708dbc",
 308         "b0e20b6e3116640286ed3a87a5713079b21f5189",
 309         "9b752e45573d4b39f4dbd3323cab82bf63326bfb",
 310         "5feb69c6bf7c29d95715ad55f57d8ac5b2b7dd32"
 311 };
 312
 313 static void
 314 MDTestSuite(Algorithm_t *alg)
 315 {
 316         int i;
 317         char buffer[HEX_DIGEST_LENGTH];
 318
 319         printf("%s test suite:\n", alg->name);
 320         for (i = 0; i < MDTESTCOUNT; i++) {
 321                 (*alg->Data)(MDTestInput[i], strlen(MDTestInput[i]), buffer);
 322                 printf("%s (\"%s\") = %s", alg->name, MDTestInput[i], buffer);
 323                 if (strcmp(buffer, (*alg->TestOutput)[i]) == 0)
 324                         printf(" - verified correct\n");
 325                 else
 326                         printf(" - INCORRECT RESULT!\n");
 327         }
 328 }
 329
 330 /*
 331  * Digests the standard input and prints the result.
 332  */
 333 static void
 334 MDFilter(Algorithm_t *alg, int tee)
 335 {
 336         DIGEST_CTX context;
 337         unsigned int len;
 338         unsigned char buffer[BUFSIZ];
 339         char buf[HEX_DIGEST_LENGTH];
 340
 341         alg->Init(&context);
 342         while ((len = fread(buffer, 1, BUFSIZ, stdin))) {
 343                 if (tee && len != fwrite(buffer, 1, len, stdout))
 344                         err(1, "stdout");
 345                 alg->Update(&context, buffer, len);
 346         }
 347         printf("%s\n", alg->End(&context, buf));
 348 }
 349
 350 static void
 351 usage(Algorithm_t *alg)
 352 {
 353
 354         fprintf(stderr, "usage: %s [-pqrtx] [-s string] [files ...]\n", alg->progname);
 355         exit(1);
 356 }