sbin/md5/md5.c

   1 /*
   2  * Derived from:
   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 __FBSDID("$FreeBSD$");
  22
  23 #include <sys/types.h>
  24 #include <sys/param.h>
  25 #include <sys/time.h>
  26 #include <sys/resource.h>
  27 #include <err.h>
  28 #include <fcntl.h>
  29 #include <md5.h>
  30 #include <ripemd.h>
  31 #include <sha.h>
  32 #include <sha224.h>
  33 #include <sha256.h>
  34 #include <sha384.h>
  35 #include <sha512.h>
  36 #include <sha512t.h>
  37 #include <skein.h>
  38 #include <stdbool.h>
  39 #include <stdio.h>
  40 #include <stdlib.h>
  41 #include <string.h>
  42 #include <time.h>
  43 #include <unistd.h>
  44
  45 #ifdef HAVE_CAPSICUM
  46 #include <sys/capsicum.h>
  47 #include <capsicum_helpers.h>
  48 #endif
  49
  50 /*
  51  * Length of test block, number of test blocks.
  52  */
  53 #define TEST_BLOCK_LEN 10000
  54 #define TEST_BLOCK_COUNT 100000
  55 #define MDTESTCOUNT 8
  56
  57 static int bflag;
  58 static int cflag;
  59 static int pflag;
  60 static int qflag;
  61 static int rflag;
  62 static int sflag;
  63 static int skip;
  64 static char* checkAgainst;
  65 static int checksFailed;
  66 static int failed;
  67
  68 typedef void (DIGEST_Init)(void *);
  69 typedef void (DIGEST_Update)(void *, const unsigned char *, size_t);
  70 typedef char *(DIGEST_End)(void *, char *);
  71
  72 extern const char *MD5TestOutput[MDTESTCOUNT];
  73 extern const char *SHA1_TestOutput[MDTESTCOUNT];
  74 extern const char *SHA224_TestOutput[MDTESTCOUNT];
  75 extern const char *SHA256_TestOutput[MDTESTCOUNT];
  76 extern const char *SHA384_TestOutput[MDTESTCOUNT];
  77 extern const char *SHA512_TestOutput[MDTESTCOUNT];
  78 extern const char *SHA512t256_TestOutput[MDTESTCOUNT];
  79 extern const char *RIPEMD160_TestOutput[MDTESTCOUNT];
  80 extern const char *SKEIN256_TestOutput[MDTESTCOUNT];
  81 extern const char *SKEIN512_TestOutput[MDTESTCOUNT];
  82 extern const char *SKEIN1024_TestOutput[MDTESTCOUNT];
  83
  84 typedef struct Algorithm_t {
  85         const char *progname;
  86         const char *name;
  87         const char *(*TestOutput)[MDTESTCOUNT];
  88         DIGEST_Init *Init;
  89         DIGEST_Update *Update;
  90         DIGEST_End *End;
  91         char *(*Data)(const void *, unsigned int, char *);
  92         char *(*Fd)(int, char *);
  93 } Algorithm_t;
  94
  95 static void MD5_Update(MD5_CTX *, const unsigned char *, size_t);
  96 static void MDOutput(const Algorithm_t *, char *, char **);
  97 static void MDTimeTrial(const Algorithm_t *);
  98 static void MDTestSuite(const Algorithm_t *);
  99 static char *MDFilter(const Algorithm_t *, char*, int);
 100 static void usage(const Algorithm_t *);
 101
 102 typedef union {
 103         MD5_CTX md5;
 104         SHA1_CTX sha1;
 105         SHA224_CTX sha224;
 106         SHA256_CTX sha256;
 107         SHA384_CTX sha384;
 108         SHA512_CTX sha512;
 109         RIPEMD160_CTX ripemd160;
 110         SKEIN256_CTX skein256;
 111         SKEIN512_CTX skein512;
 112         SKEIN1024_CTX skein1024;
 113 } DIGEST_CTX;
 114
 115 /* max(MD5_DIGEST_LENGTH, SHA_DIGEST_LENGTH,
 116         SHA256_DIGEST_LENGTH, SHA512_DIGEST_LENGTH,
 117         RIPEMD160_DIGEST_LENGTH, SKEIN1024_DIGEST_LENGTH)*2+1 */
 118 #define HEX_DIGEST_LENGTH 257
 119
 120 /* algorithm function table */
 121
 122 static const struct Algorithm_t Algorithm[] = {
 123         { "md5", "MD5", &MD5TestOutput, (DIGEST_Init*)&MD5Init,
 124                 (DIGEST_Update*)&MD5_Update, (DIGEST_End*)&MD5End,
 125                 &MD5Data, &MD5Fd },
 126         { "sha1", "SHA1", &SHA1_TestOutput, (DIGEST_Init*)&SHA1_Init,
 127                 (DIGEST_Update*)&SHA1_Update, (DIGEST_End*)&SHA1_End,
 128                 &SHA1_Data, &SHA1_Fd },
 129         { "sha224", "SHA224", &SHA224_TestOutput, (DIGEST_Init*)&SHA224_Init,
 130                 (DIGEST_Update*)&SHA224_Update, (DIGEST_End*)&SHA224_End,
 131                 &SHA224_Data, &SHA224_Fd },
 132         { "sha256", "SHA256", &SHA256_TestOutput, (DIGEST_Init*)&SHA256_Init,
 133                 (DIGEST_Update*)&SHA256_Update, (DIGEST_End*)&SHA256_End,
 134                 &SHA256_Data, &SHA256_Fd },
 135         { "sha384", "SHA384", &SHA384_TestOutput, (DIGEST_Init*)&SHA384_Init,
 136                 (DIGEST_Update*)&SHA384_Update, (DIGEST_End*)&SHA384_End,
 137                 &SHA384_Data, &SHA384_Fd },
 138         { "sha512", "SHA512", &SHA512_TestOutput, (DIGEST_Init*)&SHA512_Init,
 139                 (DIGEST_Update*)&SHA512_Update, (DIGEST_End*)&SHA512_End,
 140                 &SHA512_Data, &SHA512_Fd },
 141         { "sha512t256", "SHA512t256", &SHA512t256_TestOutput, (DIGEST_Init*)&SHA512_256_Init,
 142                 (DIGEST_Update*)&SHA512_256_Update, (DIGEST_End*)&SHA512_256_End,
 143                 &SHA512_256_Data, &SHA512_256_Fd },
 144         { "rmd160", "RMD160", &RIPEMD160_TestOutput,
 145                 (DIGEST_Init*)&RIPEMD160_Init, (DIGEST_Update*)&RIPEMD160_Update,
 146                 (DIGEST_End*)&RIPEMD160_End, &RIPEMD160_Data, &RIPEMD160_Fd },
 147         { "skein256", "Skein256", &SKEIN256_TestOutput,
 148                 (DIGEST_Init*)&SKEIN256_Init, (DIGEST_Update*)&SKEIN256_Update,
 149                 (DIGEST_End*)&SKEIN256_End, &SKEIN256_Data, &SKEIN256_Fd },
 150         { "skein512", "Skein512", &SKEIN512_TestOutput,
 151                 (DIGEST_Init*)&SKEIN512_Init, (DIGEST_Update*)&SKEIN512_Update,
 152                 (DIGEST_End*)&SKEIN512_End, &SKEIN512_Data, &SKEIN512_Fd },
 153         { "skein1024", "Skein1024", &SKEIN1024_TestOutput,
 154                 (DIGEST_Init*)&SKEIN1024_Init, (DIGEST_Update*)&SKEIN1024_Update,
 155                 (DIGEST_End*)&SKEIN1024_End, &SKEIN1024_Data, &SKEIN1024_Fd }
 156 };
 157
 158 static unsigned digest;
 159 static unsigned malformed;
 160 static bool     gnu_emu = false;
 161
 162 static void
 163 MD5_Update(MD5_CTX *c, const unsigned char *data, size_t len)
 164 {
 165         MD5Update(c, data, len);
 166 }
 167
 168 struct chksumrec {
 169         char    *filename;
 170         char    *chksum;
 171         struct  chksumrec       *next;
 172 };
 173
 174 static struct chksumrec *head = NULL;
 175 static struct chksumrec **next = &head;
 176
 177 #define PADDING 7       /* extra padding for "SHA512t256 (...) = ...\n" style */
 178 #define CHKFILELINELEN  (HEX_DIGEST_LENGTH + MAXPATHLEN + PADDING)
 179
 180 static int gnu_check(const char *checksumsfile)
 181 {
 182         FILE    *inp;
 183         char    linebuf[CHKFILELINELEN];
 184         int     linelen;
 185         int     lineno;
 186         char    *filename;
 187         char    *hashstr;
 188         struct chksumrec        *rec;
 189         const char      *digestname;
 190         int     digestnamelen;
 191         int     hashstrlen;
 192
 193         if ((inp = fopen(checksumsfile, "r")) == NULL)
 194                 err(1, "%s", checksumsfile);
 195         digestname = Algorithm[digest].name;
 196         digestnamelen = strlen(digestname);
 197         hashstrlen = strlen(*(Algorithm[digest].TestOutput[0]));
 198         lineno = 1;
 199         while (fgets(linebuf, sizeof(linebuf), inp) != NULL) {
 200                 linelen = strlen(linebuf) - 1;
 201                 if (linelen <= 0)
 202                         break;
 203                 if (linebuf[linelen] != '\n')
 204                         errx(1, "malformed input line %d (len=%d)", lineno, linelen);
 205                 linebuf[linelen] = '\0';
 206                 filename = linebuf + digestnamelen + 2;
 207                 hashstr = linebuf + linelen - hashstrlen;
 208                 /*
 209                  * supported formats:
 210                  * BSD: <DigestName> (<Filename>): <Digest>
 211                  * GNU: <Digest> [ *]<Filename>
 212                  */
 213                 if (linelen >= digestnamelen + hashstrlen + 6 &&
 214                     strncmp(linebuf, digestname, digestnamelen) == 0 &&
 215                     strncmp(filename - 2, " (", 2) == 0 &&
 216                     strncmp(hashstr - 4, ") = ", 4) == 0) {
 217                         *(hashstr - 4) = '\0';
 218                 } else if (linelen >= hashstrlen + 3 &&
 219                     linebuf[hashstrlen] == ' ') {
 220                         linebuf[hashstrlen] = '\0';
 221                         hashstr = linebuf;
 222                         filename = linebuf + hashstrlen + 1;
 223                         if (*filename == ' ' || *filename == '*')
 224                                 filename++;
 225                 } else {
 226                         malformed++;
 227                         continue;
 228                 }
 229                 rec = malloc(sizeof (*rec));
 230                 if (rec == NULL)
 231                         errx(1, "malloc failed");
 232                 rec->chksum = strdup(hashstr);
 233                 rec->filename = strdup(filename);
 234                 if (rec->chksum == NULL || rec->filename == NULL)
 235                         errx(1, "malloc failed");
 236                 rec->next = NULL;
 237                 *next = rec;
 238                 next = &rec->next;
 239                 lineno++;
 240         }
 241         fclose(inp);
 242         return (lineno - 1);
 243 }
 244
 245 /* Main driver.
 246
 247 Arguments (may be any combination):
 248   -sstring - digests string
 249   -t       - runs time trial
 250   -x       - runs test script
 251   filename - digests file
 252   (none)   - digests standard input
 253  */
 254 int
 255 main(int argc, char *argv[])
 256 {
 257 #ifdef HAVE_CAPSICUM
 258         cap_rights_t    rights;
 259 #endif
 260         int     ch, fd;
 261         char   *p, *string;
 262         char    buf[HEX_DIGEST_LENGTH];
 263         size_t  len;
 264         char    *progname;
 265         struct chksumrec        *rec;
 266         int     numrecs;
 267
 268         if ((progname = strrchr(argv[0], '/')) == NULL)
 269                 progname = argv[0];
 270         else
 271                 progname++;
 272
 273         /*
 274          * GNU coreutils has a number of programs named *sum. These produce
 275          * similar results to the BSD version, but in a different format,
 276          * similar to BSD's -r flag. We install links to this program with
 277          * ending 'sum' to provide this compatibility. Check here to see if the
 278          * name of the program ends in 'sum', set the flag and drop the 'sum' so
 279          * the digest lookup works. Also, make -t a nop when running in this mode
 280          * since that means 'text file' there (though it's a nop in coreutils
 281          * on unix-like systems). The -c flag conflicts, so it's just disabled
 282          * in this mode (though in the future it might be implemented).
 283          */
 284         len = strlen(progname);
 285         if (len > 3 && strcmp(progname + len - 3, "sum") == 0) {
 286                 len -= 3;
 287                 rflag = 1;
 288                 gnu_emu = true;
 289         }
 290
 291         for (digest = 0; digest < sizeof(Algorithm)/sizeof(*Algorithm); digest++)
 292                 if (strncasecmp(Algorithm[digest].progname, progname, len) == 0)
 293                         break;
 294
 295         if (digest == sizeof(Algorithm)/sizeof(*Algorithm))
 296                 digest = 0;
 297
 298         failed = 0;
 299         checkAgainst = NULL;
 300         checksFailed = 0;
 301         skip = 0;
 302         while ((ch = getopt(argc, argv, "bc:pqrs:tx")) != -1)
 303                 switch (ch) {
 304                 case 'b':
 305                         bflag = 1;
 306                         break;
 307                 case 'c':
 308                         cflag = 1;
 309                         if (gnu_emu)
 310                                 numrecs = gnu_check(optarg);
 311                         else
 312                                 checkAgainst = optarg;
 313                         break;
 314                 case 'p':
 315                         pflag = 1;
 316                         break;
 317                 case 'q':
 318                         qflag = 1;
 319                         break;
 320                 case 'r':
 321                         rflag = 1;
 322                         break;
 323                 case 's':
 324                         sflag = 1;
 325                         string = optarg;
 326                         break;
 327                 case 't':
 328                         if (!gnu_emu) {
 329                                 MDTimeTrial(&Algorithm[digest]);
 330                                 skip = 1;
 331                         } /* else: text mode is a nop */
 332                         break;
 333                 case 'x':
 334                         MDTestSuite(&Algorithm[digest]);
 335                         skip = 1;
 336                         break;
 337                 default:
 338                         usage(&Algorithm[digest]);
 339                 }
 340         argc -= optind;
 341         argv += optind;
 342
 343 #ifdef HAVE_CAPSICUM
 344         if (caph_limit_stdout() < 0 || caph_limit_stderr() < 0)
 345                 err(1, "unable to limit rights for stdio");
 346 #endif
 347
 348         if (cflag && gnu_emu) {
 349                 /*
 350                  * Replace argv by an array of filenames from the digest file
 351                  */
 352                 argc = 0;
 353                 argv = (char**)calloc(sizeof(char *), numrecs + 1);
 354                 for (rec = head; rec != NULL; rec = rec->next) {
 355                         argv[argc] = rec->filename;
 356                         argc++;
 357                 }
 358                 argv[argc] = NULL;
 359                 rec = head;
 360         }
 361
 362         if (*argv) {
 363                 do {
 364                         if ((fd = open(*argv, O_RDONLY)) < 0) {
 365                                 warn("%s", *argv);
 366                                 failed++;
 367                                 continue;
 368                         }
 369                         /*
 370                          * XXX Enter capability mode on the last argv file.
 371                          * When a casper file service or other approach is
 372                          * available, switch to that and enter capability mode
 373                          * earlier.
 374                          */
 375                         if (*(argv + 1) == NULL) {
 376 #ifdef HAVE_CAPSICUM
 377                                 cap_rights_init(&rights, CAP_READ);
 378                                 if (caph_rights_limit(fd, &rights) < 0 ||
 379                                     caph_enter() < 0)
 380                                         err(1, "capsicum");
 381 #endif
 382                         }
 383                         if (cflag && gnu_emu) {
 384                                 checkAgainst = rec->chksum;
 385                                 rec = rec->next;
 386                         }
 387                         p = Algorithm[digest].Fd(fd, buf);
 388                         (void)close(fd);
 389                         MDOutput(&Algorithm[digest], p, argv);
 390                 } while (*++argv);
 391         } else if (!cflag && !sflag && !skip) {
 392 #ifdef HAVE_CAPSICUM
 393                 if (caph_limit_stdin() < 0 || caph_enter() < 0)
 394                         err(1, "capsicum");
 395 #endif
 396                 p = MDFilter(&Algorithm[digest], (char *)&buf, pflag);
 397                 MDOutput(&Algorithm[digest], p, NULL);
 398         } else if (sflag) {
 399                 len = strlen(string);
 400                 p = Algorithm[digest].Data(string, len, buf);
 401                 MDOutput(&Algorithm[digest], p, &string);
 402         }
 403         if (gnu_emu) {
 404                 if (malformed > 0)
 405                         warnx("WARNING: %d lines are improperly formatted", malformed);
 406                 if (checksFailed > 0)
 407                         warnx("WARNING: %d computed checksums did NOT match", checksFailed);
 408         }
 409         if (failed != 0)
 410                 return (1);
 411         if (checksFailed != 0)
 412                 return (2);
 413
 414         return (0);
 415 }
 416
 417 /*
 418  * Common output handling
 419  */
 420 static void
 421 MDOutput(const Algorithm_t *alg, char *p, char *argv[])
 422 {
 423         bool checkfailed = false;
 424
 425         if (p == NULL) {
 426                 warn("%s", *argv);
 427                 failed++;
 428         } else {
 429                 /*
 430                  * If argv is NULL we are reading from stdin, where the output
 431                  * format has always been just the hash.
 432                  */
 433                 if (cflag && gnu_emu) {
 434                         checkfailed = strcasecmp(checkAgainst, p) != 0;
 435                         if (!qflag || checkfailed)
 436                                 printf("%s: %s\n", *argv, checkfailed ? "FAILED" : "OK");
 437                 } else if (qflag || argv == NULL) {
 438                         printf("%s\n", p);
 439                 } else {
 440                         if (rflag)
 441                                 if (gnu_emu)
 442                                         if (bflag)
 443                                                 printf("%s *%s", p, *argv);
 444                                         else
 445                                                 printf("%s  %s", p, *argv);
 446                                 else
 447                                         printf("%s %s", p, *argv);
 448                         else
 449                                 printf("%s (%s) = %s", alg->name, *argv, p);
 450                         if (checkAgainst) {
 451                                 checkfailed = strcasecmp(checkAgainst, p) != 0;
 452                                 if (!qflag && checkfailed)
 453                                         printf(" [ Failed ]");
 454                         }
 455                         printf("\n");
 456                 }
 457         }
 458         if (checkfailed)
 459                 checksFailed++;
 460 }
 461
 462 /*
 463  * Measures the time to digest TEST_BLOCK_COUNT TEST_BLOCK_LEN-byte blocks.
 464  */
 465 static void
 466 MDTimeTrial(const Algorithm_t *alg)
 467 {
 468         DIGEST_CTX context;
 469         struct rusage before, after;
 470         struct timeval total;
 471         float seconds;
 472         unsigned char block[TEST_BLOCK_LEN];
 473         unsigned int i;
 474         char *p, buf[HEX_DIGEST_LENGTH];
 475
 476         printf("%s time trial. Digesting %d %d-byte blocks ...",
 477             alg->name, TEST_BLOCK_COUNT, TEST_BLOCK_LEN);
 478         fflush(stdout);
 479
 480         /* Initialize block */
 481         for (i = 0; i < TEST_BLOCK_LEN; i++)
 482                 block[i] = (unsigned char) (i & 0xff);
 483
 484         /* Start timer */
 485         getrusage(RUSAGE_SELF, &before);
 486
 487         /* Digest blocks */
 488         alg->Init(&context);
 489         for (i = 0; i < TEST_BLOCK_COUNT; i++)
 490                 alg->Update(&context, block, TEST_BLOCK_LEN);
 491         p = alg->End(&context, buf);
 492
 493         /* Stop timer */
 494         getrusage(RUSAGE_SELF, &after);
 495         timersub(&after.ru_utime, &before.ru_utime, &total);
 496         seconds = total.tv_sec + (float) total.tv_usec / 1000000;
 497
 498         printf(" done\n");
 499         printf("Digest = %s", p);
 500         printf("\nTime = %f seconds\n", seconds);
 501         printf("Speed = %f MiB/second\n", (float) TEST_BLOCK_LEN *
 502                 (float) TEST_BLOCK_COUNT / seconds / (1 << 20));
 503 }
 504 /*
 505  * Digests a reference suite of strings and prints the results.
 506  */
 507
 508 static const char *MDTestInput[MDTESTCOUNT] = {
 509         "",
 510         "a",
 511         "abc",
 512         "message digest",
 513         "abcdefghijklmnopqrstuvwxyz",
 514         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
 515         "12345678901234567890123456789012345678901234567890123456789012345678901234567890",
 516         "MD5 has not yet (2001-09-03) been broken, but sufficient attacks have been made \
 517 that its security is in some doubt"
 518 };
 519
 520 const char *MD5TestOutput[MDTESTCOUNT] = {
 521         "d41d8cd98f00b204e9800998ecf8427e",
 522         "0cc175b9c0f1b6a831c399e269772661",
 523         "900150983cd24fb0d6963f7d28e17f72",
 524         "f96b697d7cb7938d525a2f31aaf161d0",
 525         "c3fcd3d76192e4007dfb496cca67e13b",
 526         "d174ab98d277d9f5a5611c2c9f419d9f",
 527         "57edf4a22be3c955ac49da2e2107b67a",
 528         "b50663f41d44d92171cb9976bc118538"
 529 };
 530
 531 const char *SHA1_TestOutput[MDTESTCOUNT] = {
 532         "da39a3ee5e6b4b0d3255bfef95601890afd80709",
 533         "86f7e437faa5a7fce15d1ddcb9eaeaea377667b8",
 534         "a9993e364706816aba3e25717850c26c9cd0d89d",
 535         "c12252ceda8be8994d5fa0290a47231c1d16aae3",
 536         "32d10c7b8cf96570ca04ce37f2a19d84240d3a89",
 537         "761c457bf73b14d27e9e9265c46f4b4dda11f940",
 538         "50abf5706a150990a08b2c5ea40fa0e585554732",
 539         "18eca4333979c4181199b7b4fab8786d16cf2846"
 540 };
 541
 542 const char *SHA224_TestOutput[MDTESTCOUNT] = {
 543         "d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f",
 544         "abd37534c7d9a2efb9465de931cd7055ffdb8879563ae98078d6d6d5",
 545         "23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7",
 546         "2cb21c83ae2f004de7e81c3c7019cbcb65b71ab656b22d6d0c39b8eb",
 547         "45a5f72c39c5cff2522eb3429799e49e5f44b356ef926bcf390dccc2",
 548         "bff72b4fcb7d75e5632900ac5f90d219e05e97a7bde72e740db393d9",
 549         "b50aecbe4e9bb0b57bc5f3ae760a8e01db24f203fb3cdcd13148046e",
 550         "5ae55f3779c8a1204210d7ed7689f661fbe140f96f272ab79e19d470"
 551 };
 552
 553 const char *SHA256_TestOutput[MDTESTCOUNT] = {
 554         "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
 555         "ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb",
 556         "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad",
 557         "f7846f55cf23e14eebeab5b4e1550cad5b509e3348fbc4efa3a1413d393cb650",
 558         "71c480df93d6ae2f1efad1447c66c9525e316218cf51fc8d9ed832f2daf18b73",
 559         "db4bfcbd4da0cd85a60c3c37d3fbd8805c77f15fc6b1fdfe614ee0a7c8fdb4c0",
 560         "f371bc4a311f2b009eef952dd83ca80e2b60026c8e935592d0f9c308453c813e",
 561         "e6eae09f10ad4122a0e2a4075761d185a272ebd9f5aa489e998ff2f09cbfdd9f"
 562 };
 563
 564 const char *SHA384_TestOutput[MDTESTCOUNT] = {
 565         "38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da274edebfe76f65fbd51ad2f14898b95b",
 566         "54a59b9f22b0b80880d8427e548b7c23abd873486e1f035dce9cd697e85175033caa88e6d57bc35efae0b5afd3145f31",
 567         "cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed8086072ba1e7cc2358baeca134c825a7",
 568         "473ed35167ec1f5d8e550368a3db39be54639f828868e9454c239fc8b52e3c61dbd0d8b4de1390c256dcbb5d5fd99cd5",
 569         "feb67349df3db6f5924815d6c3dc133f091809213731fe5c7b5f4999e463479ff2877f5f2936fa63bb43784b12f3ebb4",
 570         "1761336e3f7cbfe51deb137f026f89e01a448e3b1fafa64039c1464ee8732f11a5341a6f41e0c202294736ed64db1a84",
 571         "b12932b0627d1c060942f5447764155655bd4da0c9afa6dd9b9ef53129af1b8fb0195996d2de9ca0df9d821ffee67026",
 572         "99428d401bf4abcd4ee0695248c9858b7503853acfae21a9cffa7855f46d1395ef38596fcd06d5a8c32d41a839cc5dfb"
 573 };
 574
 575 const char *SHA512_TestOutput[MDTESTCOUNT] = {
 576         "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e",
 577         "1f40fc92da241694750979ee6cf582f2d5d7d28e18335de05abc54d0560e0f5302860c652bf08d560252aa5e74210546f369fbbbce8c12cfc7957b2652fe9a75",
 578         "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f",
 579         "107dbf389d9e9f71a3a95f6c055b9251bc5268c2be16d6c13492ea45b0199f3309e16455ab1e96118e8a905d5597b72038ddb372a89826046de66687bb420e7c",
 580         "4dbff86cc2ca1bae1e16468a05cb9881c97f1753bce3619034898faa1aabe429955a1bf8ec483d7421fe3c1646613a59ed5441fb0f321389f77f48a879c7b1f1",
 581         "1e07be23c26a86ea37ea810c8ec7809352515a970e9253c26f536cfc7a9996c45c8370583e0a78fa4a90041d71a4ceab7423f19c71b9d5a3e01249f0bebd5894",
 582         "72ec1ef1124a45b047e8b7c75a932195135bb61de24ec0d1914042246e0aec3a2354e093d76f3048b456764346900cb130d2a4fd5dd16abb5e30bcb850dee843",
 583         "e8a835195e039708b13d9131e025f4441dbdc521ce625f245a436dcd762f54bf5cb298d96235e6c6a304e087ec8189b9512cbdf6427737ea82793460c367b9c3"
 584 };
 585
 586 const char *SHA512t256_TestOutput[MDTESTCOUNT] = {
 587         "c672b8d1ef56ed28ab87c3622c5114069bdd3ad7b8f9737498d0c01ecef0967a",
 588         "455e518824bc0601f9fb858ff5c37d417d67c2f8e0df2babe4808858aea830f8",
 589         "53048e2681941ef99b2e29b76b4c7dabe4c2d0c634fc6d46e0e2f13107e7af23",
 590         "0cf471fd17ed69d990daf3433c89b16d63dec1bb9cb42a6094604ee5d7b4e9fb",
 591         "fc3189443f9c268f626aea08a756abe7b726b05f701cb08222312ccfd6710a26",
 592         "cdf1cc0effe26ecc0c13758f7b4a48e000615df241284185c39eb05d355bb9c8",
 593         "2c9fdbc0c90bdd87612ee8455474f9044850241dc105b1e8b94b8ddf5fac9148",
 594         "dd095fc859b336c30a52548b3dc59fcc0d1be8616ebcf3368fad23107db2d736"
 595 };
 596
 597 const char *RIPEMD160_TestOutput[MDTESTCOUNT] = {
 598         "9c1185a5c5e9fc54612808977ee8f548b2258d31",
 599         "0bdc9d2d256b3ee9daae347be6f4dc835a467ffe",
 600         "8eb208f7e05d987a9b044a8e98c6b087f15a0bfc",
 601         "5d0689ef49d2fae572b881b123a85ffa21595f36",
 602         "f71c27109c692c1b56bbdceb5b9d2865b3708dbc",
 603         "b0e20b6e3116640286ed3a87a5713079b21f5189",
 604         "9b752e45573d4b39f4dbd3323cab82bf63326bfb",
 605         "5feb69c6bf7c29d95715ad55f57d8ac5b2b7dd32"
 606 };
 607
 608 const char *SKEIN256_TestOutput[MDTESTCOUNT] = {
 609         "c8877087da56e072870daa843f176e9453115929094c3a40c463a196c29bf7ba",
 610         "7fba44ff1a31d71a0c1f82e6e82fb5e9ac6c92a39c9185b9951fed82d82fe635",
 611         "258bdec343b9fde1639221a5ae0144a96e552e5288753c5fec76c05fc2fc1870",
 612         "4d2ce0062b5eb3a4db95bc1117dd8aa014f6cd50fdc8e64f31f7d41f9231e488",
 613         "46d8440685461b00e3ddb891b2ecc6855287d2bd8834a95fb1c1708b00ea5e82",
 614         "7c5eb606389556b33d34eb2536459528dc0af97adbcd0ce273aeb650f598d4b2",
 615         "4def7a7e5464a140ae9c3a80279fbebce4bd00f9faad819ab7e001512f67a10d",
 616         "d9c017dbe355f318d036469eb9b5fbe129fc2b5786a9dc6746a516eab6fe0126"
 617 };
 618
 619 const char *SKEIN512_TestOutput[MDTESTCOUNT] = {
 620         "bc5b4c50925519c290cc634277ae3d6257212395cba733bbad37a4af0fa06af41fca7903d06564fea7a2d3730dbdb80c1f85562dfcc070334ea4d1d9e72cba7a",
 621         "b1cd8d33f61b3737adfd59bb13ad82f4a9548e92f22956a8976cca3fdb7fee4fe91698146c4197cec85d38b83c5d93bdba92c01fd9a53870d0c7f967bc62bdce",
 622         "8f5dd9ec798152668e35129496b029a960c9a9b88662f7f9482f110b31f9f93893ecfb25c009baad9e46737197d5630379816a886aa05526d3a70df272d96e75",
 623         "15b73c158ffb875fed4d72801ded0794c720b121c0c78edf45f900937e6933d9e21a3a984206933d504b5dbb2368000411477ee1b204c986068df77886542fcc",
 624         "23793ad900ef12f9165c8080da6fdfd2c8354a2929b8aadf83aa82a3c6470342f57cf8c035ec0d97429b626c4d94f28632c8f5134fd367dca5cf293d2ec13f8c",
 625         "0c6bed927e022f5ddcf81877d42e5f75798a9f8fd3ede3d83baac0a2f364b082e036c11af35fe478745459dd8f5c0b73efe3c56ba5bb2009208d5a29cc6e469c",
 626         "2ca9fcffb3456f297d1b5f407014ecb856f0baac8eb540f534b1f187196f21e88f31103128c2f03fcc9857d7a58eb66f9525e2302d88833ee069295537a434ce",
 627         "1131f2aaa0e97126c9314f9f968cc827259bbfabced2943bb8c9274448998fb3b78738b4580dd500c76105fd3c03e465e1414f2c29664286b1f79d3e51128125"
 628 };
 629
 630 const char *SKEIN1024_TestOutput[MDTESTCOUNT] = {
 631         "0fff9563bb3279289227ac77d319b6fff8d7e9f09da1247b72a0a265cd6d2a62645ad547ed8193db48cff847c06494a03f55666d3b47eb4c20456c9373c86297d630d5578ebd34cb40991578f9f52b18003efa35d3da6553ff35db91b81ab890bec1b189b7f52cb2a783ebb7d823d725b0b4a71f6824e88f68f982eefc6d19c6",
 632         "6ab4c4ba9814a3d976ec8bffa7fcc638ceba0544a97b3c98411323ffd2dc936315d13dc93c13c4e88cda6f5bac6f2558b2d8694d3b6143e40d644ae43ca940685cb37f809d3d0550c56cba8036dee729a4f8fb960732e59e64d57f7f7710f8670963cdcdc95b41daab4855fcf8b6762a64b173ee61343a2c7689af1d293eba97",
 633         "35a599a0f91abcdb4cb73c19b8cb8d947742d82c309137a7caed29e8e0a2ca7a9ff9a90c34c1908cc7e7fd99bb15032fb86e76df21b72628399b5f7c3cc209d7bb31c99cd4e19465622a049afbb87c03b5ce3888d17e6e667279ec0aa9b3e2712624c01b5f5bbe1a564220bdcf6990af0c2539019f313fdd7406cca3892a1f1f",
 634         "ea891f5268acd0fac97467fc1aa89d1ce8681a9992a42540e53babee861483110c2d16f49e73bac27653ff173003e40cfb08516cd34262e6af95a5d8645c9c1abb3e813604d508b8511b30f9a5c1b352aa0791c7d2f27b2706dccea54bc7de6555b5202351751c3299f97c09cf89c40f67187e2521c0fad82b30edbb224f0458",
 635         "f23d95c2a25fbcd0e797cd058fec39d3c52d2b5afd7a9af1df934e63257d1d3dcf3246e7329c0f1104c1e51e3d22e300507b0c3b9f985bb1f645ef49835080536becf83788e17fed09c9982ba65c3cb7ffe6a5f745b911c506962adf226e435c42f6f6bc08d288f9c810e807e3216ef444f3db22744441deefa4900982a1371f",
 636         "cf3889e8a8d11bfd3938055d7d061437962bc5eac8ae83b1b71c94be201b8cf657fdbfc38674997a008c0c903f56a23feb3ae30e012377f1cfa080a9ca7fe8b96138662653fb3335c7d06595bf8baf65e215307532094cfdfa056bd8052ab792a3944a2adaa47b30335b8badb8fe9eb94fe329cdca04e58bbc530f0af709f469",
 637         "cf21a613620e6c119eca31fdfaad449a8e02f95ca256c21d2a105f8e4157048f9fe1e897893ea18b64e0e37cb07d5ac947f27ba544caf7cbc1ad094e675aed77a366270f7eb7f46543bccfa61c526fd628408058ed00ed566ac35a9761d002e629c4fb0d430b2f4ad016fcc49c44d2981c4002da0eecc42144160e2eaea4855a",
 638         "e6799b78db54085a2be7ff4c8007f147fa88d326abab30be0560b953396d8802feee9a15419b48a467574e9283be15685ca8a079ee52b27166b64dd70b124b1d4e4f6aca37224c3f2685e67e67baef9f94b905698adc794a09672aba977a61b20966912acdb08c21a2c37001785355dc884751a21f848ab36e590331ff938138"
 639 };
 640
 641 static void
 642 MDTestSuite(const Algorithm_t *alg)
 643 {
 644         int i;
 645         char buffer[HEX_DIGEST_LENGTH];
 646
 647         printf("%s test suite:\n", alg->name);
 648         for (i = 0; i < MDTESTCOUNT; i++) {
 649                 (*alg->Data)(MDTestInput[i], strlen(MDTestInput[i]), buffer);
 650                 printf("%s (\"%s\") = %s", alg->name, MDTestInput[i], buffer);
 651                 if (strcmp(buffer, (*alg->TestOutput)[i]) == 0) {
 652                         printf(" - verified correct\n");
 653                 } else {
 654                         printf(" - INCORRECT RESULT!\n");
 655                         failed++;
 656                 }
 657         }
 658 }
 659
 660 /*
 661  * Digests the standard input and prints the result.
 662  */
 663 static char *
 664 MDFilter(const Algorithm_t *alg, char *buf, int tee)
 665 {
 666         DIGEST_CTX context;
 667         unsigned int len;
 668         unsigned char buffer[BUFSIZ];
 669         char *p;
 670
 671         alg->Init(&context);
 672         while ((len = fread(buffer, 1, BUFSIZ, stdin))) {
 673                 if (tee && len != fwrite(buffer, 1, len, stdout))
 674                         err(1, "stdout");
 675                 alg->Update(&context, buffer, len);
 676         }
 677         p = alg->End(&context, buf);
 678
 679         return (p);
 680 }
 681
 682 static void
 683 usage(const Algorithm_t *alg)
 684 {
 685
 686         if (gnu_emu)
 687                 fprintf(stderr, "usage: %ssum [-pqrtx] [-c file] [-s string] [files ...]\n", alg->progname);
 688         else
 689                 fprintf(stderr, "usage: %s [-pqrtx] [-c string] [-s string] [files ...]\n", alg->progname);
 690         exit(1);
 691 }