16562Sphk/* 237421Scharnier * Derived from: 36562Sphk * 46562Sphk * MDDRIVER.C - test driver for MD2, MD4 and MD5 53995Spst */ 63995Spst 76562Sphk/* 86562Sphk * Copyright (C) 1990-2, RSA Data Security, Inc. Created 1990. All 96562Sphk * rights reserved. 106562Sphk * 116562Sphk * RSA Data Security, Inc. makes no representations concerning either 126562Sphk * the merchantability of this software or the suitability of this 136562Sphk * software for any particular purpose. It is provided "as is" 146562Sphk * without express or implied warranty of any kind. 156562Sphk * 166562Sphk * These notices must be retained in any copies of any part of this 176562Sphk * documentation and/or software. 183995Spst */ 193995Spst 20114589Sobrien#include <sys/cdefs.h> 21114589Sobrien__FBSDID("$FreeBSD: stable/10/sbin/md5/md5.c 314332 2017-02-27 10:40:39Z avg $"); 2237421Scharnier 2319168Sbde#include <sys/types.h> 24110840Ssilby#include <sys/time.h> 25110840Ssilby#include <sys/resource.h> 2637421Scharnier#include <err.h> 2719168Sbde#include <md5.h> 28130351Seik#include <ripemd.h> 29130351Seik#include <sha.h> 30143334Scperciva#include <sha256.h> 31314327Savg#include <sha384.h> 32238964Sdelphij#include <sha512.h> 33314332Savg#include <sha512t.h> 343995Spst#include <stdio.h> 3578949Sdes#include <stdlib.h> 3678949Sdes#include <string.h> 373995Spst#include <time.h> 3832074Ssteve#include <unistd.h> 3919168Sbde 406562Sphk/* 416562Sphk * Length of test block, number of test blocks. 423995Spst */ 4346226Skris#define TEST_BLOCK_LEN 10000 4446226Skris#define TEST_BLOCK_COUNT 100000 45130351Seik#define MDTESTCOUNT 8 463995Spst 47281513Sdelphijstatic int qflag; 48281513Sdelphijstatic int rflag; 49281513Sdelphijstatic int sflag; 50281513Sdelphijstatic char* checkAgainst; 51281513Sdelphijstatic int checksFailed; 5252949Sobrien 53130351Seiktypedef void (DIGEST_Init)(void *); 54130351Seiktypedef void (DIGEST_Update)(void *, const unsigned char *, size_t); 55130351Seiktypedef char *(DIGEST_End)(void *, char *); 563995Spst 57130351Seikextern const char *MD5TestOutput[MDTESTCOUNT]; 58130351Seikextern const char *SHA1_TestOutput[MDTESTCOUNT]; 59143334Scpercivaextern const char *SHA256_TestOutput[MDTESTCOUNT]; 60314327Savgextern const char *SHA384_TestOutput[MDTESTCOUNT]; 61238964Sdelphijextern const char *SHA512_TestOutput[MDTESTCOUNT]; 62314332Savgextern const char *SHA512t256_TestOutput[MDTESTCOUNT]; 63130351Seikextern const char *RIPEMD160_TestOutput[MDTESTCOUNT]; 64130351Seik 65130351Seiktypedef struct Algorithm_t { 66130351Seik const char *progname; 67130351Seik const char *name; 68130351Seik const char *(*TestOutput)[MDTESTCOUNT]; 69130351Seik DIGEST_Init *Init; 70130351Seik DIGEST_Update *Update; 71130351Seik DIGEST_End *End; 72154479Sphk char *(*Data)(const void *, unsigned int, char *); 73130351Seik char *(*File)(const char *, char *); 74130351Seik} Algorithm_t; 75130351Seik 76130351Seikstatic void MD5_Update(MD5_CTX *, const unsigned char *, size_t); 77281513Sdelphijstatic void MDString(const Algorithm_t *, const char *); 78281513Sdelphijstatic void MDTimeTrial(const Algorithm_t *); 79281513Sdelphijstatic void MDTestSuite(const Algorithm_t *); 80281513Sdelphijstatic void MDFilter(const Algorithm_t *, int); 81281513Sdelphijstatic void usage(const Algorithm_t *); 82130351Seik 83130351Seiktypedef union { 84130351Seik MD5_CTX md5; 85130351Seik SHA1_CTX sha1; 86143334Scperciva SHA256_CTX sha256; 87314327Savg SHA384_CTX sha384; 88238964Sdelphij SHA512_CTX sha512; 89130351Seik RIPEMD160_CTX ripemd160; 90130351Seik} DIGEST_CTX; 91130351Seik 92176095Sobrien/* max(MD5_DIGEST_LENGTH, SHA_DIGEST_LENGTH, 93238964Sdelphij SHA256_DIGEST_LENGTH, SHA512_DIGEST_LENGTH, 94238964Sdelphij RIPEMD160_DIGEST_LENGTH)*2+1 */ 95238964Sdelphij#define HEX_DIGEST_LENGTH 129 96130351Seik 97130351Seik/* algorithm function table */ 98130351Seik 99281513Sdelphijstatic const struct Algorithm_t Algorithm[] = { 100130351Seik { "md5", "MD5", &MD5TestOutput, (DIGEST_Init*)&MD5Init, 101130351Seik (DIGEST_Update*)&MD5_Update, (DIGEST_End*)&MD5End, 102130351Seik &MD5Data, &MD5File }, 103130351Seik { "sha1", "SHA1", &SHA1_TestOutput, (DIGEST_Init*)&SHA1_Init, 104130351Seik (DIGEST_Update*)&SHA1_Update, (DIGEST_End*)&SHA1_End, 105130351Seik &SHA1_Data, &SHA1_File }, 106143334Scperciva { "sha256", "SHA256", &SHA256_TestOutput, (DIGEST_Init*)&SHA256_Init, 107143334Scperciva (DIGEST_Update*)&SHA256_Update, (DIGEST_End*)&SHA256_End, 108143334Scperciva &SHA256_Data, &SHA256_File }, 109314327Savg { "sha384", "SHA384", &SHA384_TestOutput, (DIGEST_Init*)&SHA384_Init, 110314327Savg (DIGEST_Update*)&SHA384_Update, (DIGEST_End*)&SHA384_End, 111314327Savg &SHA384_Data, &SHA384_File }, 112238964Sdelphij { "sha512", "SHA512", &SHA512_TestOutput, (DIGEST_Init*)&SHA512_Init, 113238964Sdelphij (DIGEST_Update*)&SHA512_Update, (DIGEST_End*)&SHA512_End, 114238964Sdelphij &SHA512_Data, &SHA512_File }, 115314332Savg { "sha512t256", "SHA512t256", &SHA512t256_TestOutput, (DIGEST_Init*)&SHA512_256_Init, 116314332Savg (DIGEST_Update*)&SHA512_256_Update, (DIGEST_End*)&SHA512_256_End, 117314332Savg &SHA512_256_Data, &SHA512_256_File }, 118130351Seik { "rmd160", "RMD160", &RIPEMD160_TestOutput, 119130351Seik (DIGEST_Init*)&RIPEMD160_Init, (DIGEST_Update*)&RIPEMD160_Update, 120130351Seik (DIGEST_End*)&RIPEMD160_End, &RIPEMD160_Data, &RIPEMD160_File } 121130351Seik}; 122130351Seik 123130351Seikstatic void 124130351SeikMD5_Update(MD5_CTX *c, const unsigned char *data, size_t len) 125130351Seik{ 126130351Seik MD5Update(c, data, len); 127130351Seik} 128130351Seik 1293995Spst/* Main driver. 1303995Spst 1313995SpstArguments (may be any combination): 1323995Spst -sstring - digests string 1333995Spst -t - runs time trial 1343995Spst -x - runs test script 1353995Spst filename - digests file 1363995Spst (none) - digests standard input 1373995Spst */ 1386562Sphkint 13976988Srumain(int argc, char *argv[]) 1403995Spst{ 141176095Sobrien int ch; 1426562Sphk char *p; 143130351Seik char buf[HEX_DIGEST_LENGTH]; 144176095Sobrien int failed; 145130351Seik unsigned digest; 146130351Seik const char* progname; 147176095Sobrien 148130351Seik if ((progname = strrchr(argv[0], '/')) == NULL) 149130351Seik progname = argv[0]; 150130351Seik else 151130351Seik progname++; 152176095Sobrien 153130351Seik for (digest = 0; digest < sizeof(Algorithm)/sizeof(*Algorithm); digest++) 154130351Seik if (strcasecmp(Algorithm[digest].progname, progname) == 0) 155130351Seik break; 156176095Sobrien 157130918Seik if (digest == sizeof(Algorithm)/sizeof(*Algorithm)) 158130351Seik digest = 0; 1593995Spst 160121914Sse failed = 0; 161227488Seadler checkAgainst = NULL; 162227488Seadler checksFailed = 0; 163227488Seadler while ((ch = getopt(argc, argv, "c:pqrs:tx")) != -1) 16476988Sru switch (ch) { 165227488Seadler case 'c': 166227488Seadler checkAgainst = optarg; 167227488Seadler break; 16876988Sru case 'p': 169130351Seik MDFilter(&Algorithm[digest], 1); 17076988Sru break; 17176988Sru case 'q': 17276988Sru qflag = 1; 17376988Sru break; 17476988Sru case 'r': 17576988Sru rflag = 1; 17676988Sru break; 17776988Sru case 's': 17888226Sphk sflag = 1; 179130351Seik MDString(&Algorithm[digest], optarg); 18076988Sru break; 18176988Sru case 't': 182130351Seik MDTimeTrial(&Algorithm[digest]); 18376988Sru break; 18476988Sru case 'x': 185130351Seik MDTestSuite(&Algorithm[digest]); 18676988Sru break; 18776988Sru default: 188130351Seik usage(&Algorithm[digest]); 18932074Ssteve } 19076988Sru argc -= optind; 19176988Sru argv += optind; 19276988Sru 19376988Sru if (*argv) { 19476988Sru do { 195130351Seik p = Algorithm[digest].File(*argv, buf); 196121914Sse if (!p) { 19776988Sru warn("%s", *argv); 198121914Sse failed++; 199121914Sse } else { 20054109Sobrien if (qflag) 201227488Seadler printf("%s", p); 20254109Sobrien else if (rflag) 203227488Seadler printf("%s %s", p, *argv); 20452949Sobrien else 205227488Seadler printf("%s (%s) = %s", 206176095Sobrien Algorithm[digest].name, *argv, p); 207227488Seadler if (checkAgainst && strcmp(checkAgainst,p)) 208227488Seadler { 209227488Seadler checksFailed++; 210227488Seadler if (!qflag) 211227488Seadler printf(" [ Failed ]"); 212227488Seadler } 213227488Seadler printf("\n"); 214121914Sse } 21576988Sru } while (*++argv); 21688226Sphk } else if (!sflag && (optind == 1 || qflag || rflag)) 217130351Seik MDFilter(&Algorithm[digest], 0); 2183995Spst 219121914Sse if (failed != 0) 220121914Sse return (1); 221227488Seadler if (checksFailed != 0) 222227488Seadler return (2); 223176095Sobrien 2246562Sphk return (0); 2253995Spst} 2266562Sphk/* 2276562Sphk * Digests a string and prints the result. 2283995Spst */ 2296562Sphkstatic void 230281513SdelphijMDString(const Algorithm_t *alg, const char *string) 2313995Spst{ 23248953Sbillf size_t len = strlen(string); 233130351Seik char buf[HEX_DIGEST_LENGTH]; 2343995Spst 235227488Seadler alg->Data(string,len,buf); 23654109Sobrien if (qflag) 237227488Seadler printf("%s", buf); 23854109Sobrien else if (rflag) 239227488Seadler printf("%s \"%s\"", buf, string); 24052949Sobrien else 241227488Seadler printf("%s (\"%s\") = %s", alg->name, string, buf); 242227488Seadler if (checkAgainst && strcmp(buf,checkAgainst)) 243227488Seadler { 244227488Seadler checksFailed++; 245227488Seadler if (!qflag) 246227488Seadler printf(" [ failed ]"); 247227488Seadler } 248227488Seadler printf("\n"); 2493995Spst} 2506562Sphk/* 2516562Sphk * Measures the time to digest TEST_BLOCK_COUNT TEST_BLOCK_LEN-byte blocks. 2523995Spst */ 2536562Sphkstatic void 254281513SdelphijMDTimeTrial(const Algorithm_t *alg) 2553995Spst{ 256130351Seik DIGEST_CTX context; 257110840Ssilby struct rusage before, after; 258110840Ssilby struct timeval total; 259110840Ssilby float seconds; 2606725Sphk unsigned char block[TEST_BLOCK_LEN]; 2616562Sphk unsigned int i; 262176095Sobrien char *p, buf[HEX_DIGEST_LENGTH]; 2633995Spst 264176095Sobrien printf("%s time trial. Digesting %d %d-byte blocks ...", 265130351Seik alg->name, TEST_BLOCK_COUNT, TEST_BLOCK_LEN); 26646226Skris fflush(stdout); 2673995Spst 2686562Sphk /* Initialize block */ 2696562Sphk for (i = 0; i < TEST_BLOCK_LEN; i++) 2706562Sphk block[i] = (unsigned char) (i & 0xff); 2713995Spst 2726562Sphk /* Start timer */ 273182672Skevlo getrusage(RUSAGE_SELF, &before); 2743995Spst 2756562Sphk /* Digest blocks */ 276130351Seik alg->Init(&context); 2776562Sphk for (i = 0; i < TEST_BLOCK_COUNT; i++) 278130351Seik alg->Update(&context, block, TEST_BLOCK_LEN); 279130351Seik p = alg->End(&context, buf); 2803995Spst 2816562Sphk /* Stop timer */ 282182672Skevlo getrusage(RUSAGE_SELF, &after); 283110840Ssilby timersub(&after.ru_utime, &before.ru_utime, &total); 284110840Ssilby seconds = total.tv_sec + (float) total.tv_usec / 1000000; 2853995Spst 2866562Sphk printf(" done\n"); 2876562Sphk printf("Digest = %s", p); 288110840Ssilby printf("\nTime = %f seconds\n", seconds); 289176095Sobrien printf("Speed = %f bytes/second\n", 290110840Ssilby (float) TEST_BLOCK_LEN * (float) TEST_BLOCK_COUNT / seconds); 2913995Spst} 2926562Sphk/* 2936562Sphk * Digests a reference suite of strings and prints the results. 2943995Spst */ 295109870Ssilby 296281513Sdelphijstatic const char *MDTestInput[MDTESTCOUNT] = { 297176095Sobrien "", 298109870Ssilby "a", 299109870Ssilby "abc", 300109870Ssilby "message digest", 301109870Ssilby "abcdefghijklmnopqrstuvwxyz", 302109870Ssilby "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789", 303109870Ssilby "12345678901234567890123456789012345678901234567890123456789012345678901234567890", 304130351Seik "MD5 has not yet (2001-09-03) been broken, but sufficient attacks have been made \ 305130351Seikthat its security is in some doubt" 306109870Ssilby}; 307109870Ssilby 308130351Seikconst char *MD5TestOutput[MDTESTCOUNT] = { 309109870Ssilby "d41d8cd98f00b204e9800998ecf8427e", 310109870Ssilby "0cc175b9c0f1b6a831c399e269772661", 311109870Ssilby "900150983cd24fb0d6963f7d28e17f72", 312109870Ssilby "f96b697d7cb7938d525a2f31aaf161d0", 313109870Ssilby "c3fcd3d76192e4007dfb496cca67e13b", 314109870Ssilby "d174ab98d277d9f5a5611c2c9f419d9f", 315109870Ssilby "57edf4a22be3c955ac49da2e2107b67a", 316109870Ssilby "b50663f41d44d92171cb9976bc118538" 317109870Ssilby}; 318109870Ssilby 319130351Seikconst char *SHA1_TestOutput[MDTESTCOUNT] = { 320130351Seik "da39a3ee5e6b4b0d3255bfef95601890afd80709", 321130351Seik "86f7e437faa5a7fce15d1ddcb9eaeaea377667b8", 322130351Seik "a9993e364706816aba3e25717850c26c9cd0d89d", 323130351Seik "c12252ceda8be8994d5fa0290a47231c1d16aae3", 324130351Seik "32d10c7b8cf96570ca04ce37f2a19d84240d3a89", 325130351Seik "761c457bf73b14d27e9e9265c46f4b4dda11f940", 326130351Seik "50abf5706a150990a08b2c5ea40fa0e585554732", 327130351Seik "18eca4333979c4181199b7b4fab8786d16cf2846" 328130351Seik}; 329130351Seik 330143334Scpercivaconst char *SHA256_TestOutput[MDTESTCOUNT] = { 331143334Scperciva "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", 332143334Scperciva "ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb", 333143334Scperciva "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad", 334143334Scperciva "f7846f55cf23e14eebeab5b4e1550cad5b509e3348fbc4efa3a1413d393cb650", 335143334Scperciva "71c480df93d6ae2f1efad1447c66c9525e316218cf51fc8d9ed832f2daf18b73", 336143334Scperciva "db4bfcbd4da0cd85a60c3c37d3fbd8805c77f15fc6b1fdfe614ee0a7c8fdb4c0", 337143334Scperciva "f371bc4a311f2b009eef952dd83ca80e2b60026c8e935592d0f9c308453c813e", 338143334Scperciva "e6eae09f10ad4122a0e2a4075761d185a272ebd9f5aa489e998ff2f09cbfdd9f" 339143334Scperciva}; 340143334Scperciva 341314327Savgconst char *SHA384_TestOutput[MDTESTCOUNT] = { 342314327Savg "38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da274edebfe76f65fbd51ad2f14898b95b", 343314327Savg "54a59b9f22b0b80880d8427e548b7c23abd873486e1f035dce9cd697e85175033caa88e6d57bc35efae0b5afd3145f31", 344314327Savg "cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed8086072ba1e7cc2358baeca134c825a7", 345314327Savg "473ed35167ec1f5d8e550368a3db39be54639f828868e9454c239fc8b52e3c61dbd0d8b4de1390c256dcbb5d5fd99cd5", 346314327Savg "feb67349df3db6f5924815d6c3dc133f091809213731fe5c7b5f4999e463479ff2877f5f2936fa63bb43784b12f3ebb4", 347314327Savg "1761336e3f7cbfe51deb137f026f89e01a448e3b1fafa64039c1464ee8732f11a5341a6f41e0c202294736ed64db1a84", 348314327Savg "b12932b0627d1c060942f5447764155655bd4da0c9afa6dd9b9ef53129af1b8fb0195996d2de9ca0df9d821ffee67026", 349314327Savg "99428d401bf4abcd4ee0695248c9858b7503853acfae21a9cffa7855f46d1395ef38596fcd06d5a8c32d41a839cc5dfb" 350314327Savg}; 351314327Savg 352238964Sdelphijconst char *SHA512_TestOutput[MDTESTCOUNT] = { 353238964Sdelphij "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e", 354238964Sdelphij "1f40fc92da241694750979ee6cf582f2d5d7d28e18335de05abc54d0560e0f5302860c652bf08d560252aa5e74210546f369fbbbce8c12cfc7957b2652fe9a75", 355238964Sdelphij "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f", 356238964Sdelphij "107dbf389d9e9f71a3a95f6c055b9251bc5268c2be16d6c13492ea45b0199f3309e16455ab1e96118e8a905d5597b72038ddb372a89826046de66687bb420e7c", 357238964Sdelphij "4dbff86cc2ca1bae1e16468a05cb9881c97f1753bce3619034898faa1aabe429955a1bf8ec483d7421fe3c1646613a59ed5441fb0f321389f77f48a879c7b1f1", 358238964Sdelphij "1e07be23c26a86ea37ea810c8ec7809352515a970e9253c26f536cfc7a9996c45c8370583e0a78fa4a90041d71a4ceab7423f19c71b9d5a3e01249f0bebd5894", 359238964Sdelphij "72ec1ef1124a45b047e8b7c75a932195135bb61de24ec0d1914042246e0aec3a2354e093d76f3048b456764346900cb130d2a4fd5dd16abb5e30bcb850dee843", 360238964Sdelphij "e8a835195e039708b13d9131e025f4441dbdc521ce625f245a436dcd762f54bf5cb298d96235e6c6a304e087ec8189b9512cbdf6427737ea82793460c367b9c3" 361238964Sdelphij}; 362238964Sdelphij 363314332Savgconst char *SHA512t256_TestOutput[MDTESTCOUNT] = { 364314332Savg "c672b8d1ef56ed28ab87c3622c5114069bdd3ad7b8f9737498d0c01ecef0967a", 365314332Savg "455e518824bc0601f9fb858ff5c37d417d67c2f8e0df2babe4808858aea830f8", 366314332Savg "53048e2681941ef99b2e29b76b4c7dabe4c2d0c634fc6d46e0e2f13107e7af23", 367314332Savg "0cf471fd17ed69d990daf3433c89b16d63dec1bb9cb42a6094604ee5d7b4e9fb", 368314332Savg "fc3189443f9c268f626aea08a756abe7b726b05f701cb08222312ccfd6710a26", 369314332Savg "cdf1cc0effe26ecc0c13758f7b4a48e000615df241284185c39eb05d355bb9c8", 370314332Savg "2c9fdbc0c90bdd87612ee8455474f9044850241dc105b1e8b94b8ddf5fac9148", 371314332Savg "dd095fc859b336c30a52548b3dc59fcc0d1be8616ebcf3368fad23107db2d736" 372314332Savg}; 373314332Savg 374130351Seikconst char *RIPEMD160_TestOutput[MDTESTCOUNT] = { 375130351Seik "9c1185a5c5e9fc54612808977ee8f548b2258d31", 376130351Seik "0bdc9d2d256b3ee9daae347be6f4dc835a467ffe", 377130351Seik "8eb208f7e05d987a9b044a8e98c6b087f15a0bfc", 378130351Seik "5d0689ef49d2fae572b881b123a85ffa21595f36", 379130351Seik "f71c27109c692c1b56bbdceb5b9d2865b3708dbc", 380130351Seik "b0e20b6e3116640286ed3a87a5713079b21f5189", 381130351Seik "9b752e45573d4b39f4dbd3323cab82bf63326bfb", 382130351Seik "5feb69c6bf7c29d95715ad55f57d8ac5b2b7dd32" 383130351Seik}; 384130351Seik 3856562Sphkstatic void 386281513SdelphijMDTestSuite(const Algorithm_t *alg) 3873995Spst{ 388109870Ssilby int i; 389130351Seik char buffer[HEX_DIGEST_LENGTH]; 39032086Ssteve 391130351Seik printf("%s test suite:\n", alg->name); 392130351Seik for (i = 0; i < MDTESTCOUNT; i++) { 393130351Seik (*alg->Data)(MDTestInput[i], strlen(MDTestInput[i]), buffer); 394130351Seik printf("%s (\"%s\") = %s", alg->name, MDTestInput[i], buffer); 395130351Seik if (strcmp(buffer, (*alg->TestOutput)[i]) == 0) 396109870Ssilby printf(" - verified correct\n"); 397109870Ssilby else 398109870Ssilby printf(" - INCORRECT RESULT!\n"); 399109870Ssilby } 4003995Spst} 4013995Spst 4026562Sphk/* 4036562Sphk * Digests the standard input and prints the result. 4043995Spst */ 4056562Sphkstatic void 406281513SdelphijMDFilter(const Algorithm_t *alg, int tee) 4073995Spst{ 408130351Seik DIGEST_CTX context; 40976988Sru unsigned int len; 41032074Ssteve unsigned char buffer[BUFSIZ]; 411130351Seik char buf[HEX_DIGEST_LENGTH]; 4123995Spst 413130351Seik alg->Init(&context); 41432074Ssteve while ((len = fread(buffer, 1, BUFSIZ, stdin))) { 41576988Sru if (tee && len != fwrite(buffer, 1, len, stdout)) 41637421Scharnier err(1, "stdout"); 417130351Seik alg->Update(&context, buffer, len); 4186725Sphk } 419130351Seik printf("%s\n", alg->End(&context, buf)); 4203995Spst} 42132074Ssteve 42232074Sstevestatic void 423281513Sdelphijusage(const Algorithm_t *alg) 42432074Ssteve{ 42532086Ssteve 426235205Seadler fprintf(stderr, "usage: %s [-pqrtx] [-c string] [-s string] [files ...]\n", alg->progname); 42732074Ssteve exit(1); 42832074Ssteve} 429