1/* apps/dgst.c */ 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59#include <stdio.h> 60#include <string.h> 61#include <stdlib.h> 62#include "apps.h" 63#include <openssl/bio.h> 64#include <openssl/err.h> 65#include <openssl/evp.h> 66#include <openssl/objects.h> 67#include <openssl/x509.h> 68#include <openssl/pem.h> 69#include <openssl/hmac.h> 70 71#undef BUFSIZE 72#define BUFSIZE 1024*8 73 74#undef PROG 75#define PROG dgst_main 76 77static HMAC_CTX hmac_ctx; 78 79int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout, 80 EVP_PKEY *key, unsigned char *sigin, int siglen, const char *title, 81 const char *file,BIO *bmd,const char *hmac_key, int non_fips_allow); 82 83int MAIN(int, char **); 84 85int MAIN(int argc, char **argv) 86 { 87 ENGINE *e = NULL; 88 unsigned char *buf=NULL; 89 int i,err=0; 90 const EVP_MD *md=NULL,*m; 91 BIO *in=NULL,*inp; 92 BIO *bmd=NULL; 93 BIO *out = NULL; 94 const char *name; 95#define PROG_NAME_SIZE 39 96 char pname[PROG_NAME_SIZE+1]; 97 int separator=0; 98 int debug=0; 99 int keyform=FORMAT_PEM; 100 const char *outfile = NULL, *keyfile = NULL; 101 const char *sigfile = NULL, *randfile = NULL; 102 int out_bin = -1, want_pub = 0, do_verify = 0; 103 EVP_PKEY *sigkey = NULL; 104 unsigned char *sigbuf = NULL; 105 int siglen = 0; 106 char *passargin = NULL, *passin = NULL; 107#ifndef OPENSSL_NO_ENGINE 108 char *engine=NULL; 109#endif 110 char *hmac_key=NULL; 111 int non_fips_allow = 0; 112 113 apps_startup(); 114 115 if ((buf=(unsigned char *)OPENSSL_malloc(BUFSIZE)) == NULL) 116 { 117 BIO_printf(bio_err,"out of memory\n"); 118 goto end; 119 } 120 if (bio_err == NULL) 121 if ((bio_err=BIO_new(BIO_s_file())) != NULL) 122 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); 123 124 if (!load_config(bio_err, NULL)) 125 goto end; 126 127 /* first check the program name */ 128 program_name(argv[0],pname,sizeof pname); 129 130 md=EVP_get_digestbyname(pname); 131 132 argc--; 133 argv++; 134 while (argc > 0) 135 { 136 if ((*argv)[0] != '-') break; 137 if (strcmp(*argv,"-c") == 0) 138 separator=1; 139 else if (strcmp(*argv,"-rand") == 0) 140 { 141 if (--argc < 1) break; 142 randfile=*(++argv); 143 } 144 else if (strcmp(*argv,"-out") == 0) 145 { 146 if (--argc < 1) break; 147 outfile=*(++argv); 148 } 149 else if (strcmp(*argv,"-sign") == 0) 150 { 151 if (--argc < 1) break; 152 keyfile=*(++argv); 153 } 154 else if (!strcmp(*argv,"-passin")) 155 { 156 if (--argc < 1) 157 break; 158 passargin=*++argv; 159 } 160 else if (strcmp(*argv,"-verify") == 0) 161 { 162 if (--argc < 1) break; 163 keyfile=*(++argv); 164 want_pub = 1; 165 do_verify = 1; 166 } 167 else if (strcmp(*argv,"-prverify") == 0) 168 { 169 if (--argc < 1) break; 170 keyfile=*(++argv); 171 do_verify = 1; 172 } 173 else if (strcmp(*argv,"-signature") == 0) 174 { 175 if (--argc < 1) break; 176 sigfile=*(++argv); 177 } 178 else if (strcmp(*argv,"-keyform") == 0) 179 { 180 if (--argc < 1) break; 181 keyform=str2fmt(*(++argv)); 182 } 183#ifndef OPENSSL_NO_ENGINE 184 else if (strcmp(*argv,"-engine") == 0) 185 { 186 if (--argc < 1) break; 187 engine= *(++argv); 188 } 189#endif 190 else if (strcmp(*argv,"-hex") == 0) 191 out_bin = 0; 192 else if (strcmp(*argv,"-binary") == 0) 193 out_bin = 1; 194 else if (strcmp(*argv,"-d") == 0) 195 debug=1; 196 else if (strcmp(*argv,"-non-fips-allow") == 0) 197 non_fips_allow=1; 198 else if (!strcmp(*argv,"-hmac")) 199 { 200 if (--argc < 1) 201 break; 202 hmac_key=*++argv; 203 } 204 else if ((m=EVP_get_digestbyname(&((*argv)[1]))) != NULL) 205 md=m; 206 else 207 break; 208 argc--; 209 argv++; 210 } 211 212 if (md == NULL) 213 md=EVP_md5(); 214 215 if(do_verify && !sigfile) { 216 BIO_printf(bio_err, "No signature to verify: use the -signature option\n"); 217 err = 1; 218 goto end; 219 } 220 221 if ((argc > 0) && (argv[0][0] == '-')) /* bad option */ 222 { 223 BIO_printf(bio_err,"unknown option '%s'\n",*argv); 224 BIO_printf(bio_err,"options are\n"); 225 BIO_printf(bio_err,"-c to output the digest with separating colons\n"); 226 BIO_printf(bio_err,"-d to output debug info\n"); 227 BIO_printf(bio_err,"-hex output as hex dump\n"); 228 BIO_printf(bio_err,"-binary output in binary form\n"); 229 BIO_printf(bio_err,"-sign file sign digest using private key in file\n"); 230 BIO_printf(bio_err,"-verify file verify a signature using public key in file\n"); 231 BIO_printf(bio_err,"-prverify file verify a signature using private key in file\n"); 232 BIO_printf(bio_err,"-keyform arg key file format (PEM or ENGINE)\n"); 233 BIO_printf(bio_err,"-signature file signature to verify\n"); 234 BIO_printf(bio_err,"-binary output in binary form\n"); 235#ifndef OPENSSL_NO_ENGINE 236 BIO_printf(bio_err,"-engine e use engine e, possibly a hardware device.\n"); 237#endif 238 239 BIO_printf(bio_err,"-%3s to use the %s message digest algorithm (default)\n", 240 LN_md5,LN_md5); 241 BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n", 242 LN_md4,LN_md4); 243 BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n", 244 LN_md2,LN_md2); 245 BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n", 246 LN_sha1,LN_sha1); 247 BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n", 248 LN_sha,LN_sha); 249 BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n", 250 LN_mdc2,LN_mdc2); 251 BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n", 252 LN_ripemd160,LN_ripemd160); 253 err=1; 254 goto end; 255 } 256 257#ifndef OPENSSL_NO_ENGINE 258 e = setup_engine(bio_err, engine, 0); 259#endif 260 261 in=BIO_new(BIO_s_file()); 262 bmd=BIO_new(BIO_f_md()); 263 if (debug) 264 { 265 BIO_set_callback(in,BIO_debug_callback); 266 /* needed for windows 3.1 */ 267 BIO_set_callback_arg(in,bio_err); 268 } 269 270 if(!app_passwd(bio_err, passargin, NULL, &passin, NULL)) 271 { 272 BIO_printf(bio_err, "Error getting password\n"); 273 goto end; 274 } 275 276 if ((in == NULL) || (bmd == NULL)) 277 { 278 ERR_print_errors(bio_err); 279 goto end; 280 } 281 282 if(out_bin == -1) { 283 if(keyfile) out_bin = 1; 284 else out_bin = 0; 285 } 286 287 if(randfile) 288 app_RAND_load_file(randfile, bio_err, 0); 289 290 if(outfile) { 291 if(out_bin) 292 out = BIO_new_file(outfile, "wb"); 293 else out = BIO_new_file(outfile, "w"); 294 } else { 295 out = BIO_new_fp(stdout, BIO_NOCLOSE); 296#ifdef OPENSSL_SYS_VMS 297 { 298 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 299 out = BIO_push(tmpbio, out); 300 } 301#endif 302 } 303 304 if(!out) { 305 BIO_printf(bio_err, "Error opening output file %s\n", 306 outfile ? outfile : "(stdout)"); 307 ERR_print_errors(bio_err); 308 goto end; 309 } 310 311 if(keyfile) 312 { 313 if (want_pub) 314 sigkey = load_pubkey(bio_err, keyfile, keyform, 0, NULL, 315 e, "key file"); 316 else 317 sigkey = load_key(bio_err, keyfile, keyform, 0, passin, 318 e, "key file"); 319 if (!sigkey) 320 { 321 /* load_[pub]key() has already printed an appropriate 322 message */ 323 goto end; 324 } 325 } 326 327 if(sigfile && sigkey) { 328 BIO *sigbio; 329 sigbio = BIO_new_file(sigfile, "rb"); 330 siglen = EVP_PKEY_size(sigkey); 331 sigbuf = OPENSSL_malloc(siglen); 332 if(!sigbio) { 333 BIO_printf(bio_err, "Error opening signature file %s\n", 334 sigfile); 335 ERR_print_errors(bio_err); 336 goto end; 337 } 338 siglen = BIO_read(sigbio, sigbuf, siglen); 339 BIO_free(sigbio); 340 if(siglen <= 0) { 341 BIO_printf(bio_err, "Error reading signature file %s\n", 342 sigfile); 343 ERR_print_errors(bio_err); 344 goto end; 345 } 346 } 347 348 if (non_fips_allow) 349 { 350 EVP_MD_CTX *md_ctx; 351 BIO_get_md_ctx(bmd,&md_ctx); 352 EVP_MD_CTX_set_flags(md_ctx, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW); 353 } 354 355 /* we use md as a filter, reading from 'in' */ 356 if (!BIO_set_md(bmd,md)) 357 { 358 BIO_printf(bio_err, "Error setting digest %s\n", 359 EVP_MD_name(md)); 360 ERR_print_errors(bio_err); 361 goto end; 362 } 363 364 inp=BIO_push(bmd,in); 365 366 if (argc == 0) 367 { 368 BIO_set_fp(in,stdin,BIO_NOCLOSE); 369 err=do_fp(out, buf,inp,separator, out_bin, sigkey, sigbuf, 370 siglen,"","(stdin)",bmd,hmac_key, non_fips_allow); 371 } 372 else 373 { 374 name=OBJ_nid2sn(md->type); 375 for (i=0; i<argc; i++) 376 { 377 char *tmp,*tofree=NULL; 378 int r; 379 380 if (BIO_read_filename(in,argv[i]) <= 0) 381 { 382 perror(argv[i]); 383 err++; 384 continue; 385 } 386 if(!out_bin) 387 { 388 size_t len = strlen(name)+strlen(argv[i])+(hmac_key ? 5 : 0)+5; 389 tmp=tofree=OPENSSL_malloc(len); 390 BIO_snprintf(tmp,len,"%s%s(%s)= ", 391 hmac_key ? "HMAC-" : "",name,argv[i]); 392 } 393 else 394 tmp=""; 395 r=do_fp(out,buf,inp,separator,out_bin,sigkey,sigbuf, 396 siglen,tmp,argv[i],bmd,hmac_key,non_fips_allow); 397 if(r) 398 err=r; 399 if(tofree) 400 OPENSSL_free(tofree); 401 (void)BIO_reset(bmd); 402 } 403 } 404end: 405 if (buf != NULL) 406 { 407 OPENSSL_cleanse(buf,BUFSIZE); 408 OPENSSL_free(buf); 409 } 410 if (in != NULL) BIO_free(in); 411 if (passin) 412 OPENSSL_free(passin); 413 BIO_free_all(out); 414 EVP_PKEY_free(sigkey); 415 if(sigbuf) OPENSSL_free(sigbuf); 416 if (bmd != NULL) BIO_free(bmd); 417 apps_shutdown(); 418 OPENSSL_EXIT(err); 419 } 420 421int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout, 422 EVP_PKEY *key, unsigned char *sigin, int siglen, const char *title, 423 const char *file,BIO *bmd,const char *hmac_key, int non_fips_allow) 424 { 425 unsigned int len; 426 int i; 427 EVP_MD_CTX *md_ctx; 428 429 if (hmac_key) 430 { 431 EVP_MD *md; 432 433 BIO_get_md(bmd,&md); 434 HMAC_CTX_init(&hmac_ctx); 435 if (non_fips_allow) 436 HMAC_CTX_set_flags(&hmac_ctx, 437 EVP_MD_CTX_FLAG_NON_FIPS_ALLOW); 438 HMAC_Init_ex(&hmac_ctx,hmac_key,strlen(hmac_key),md, NULL); 439 BIO_get_md_ctx(bmd,&md_ctx); 440 BIO_set_md_ctx(bmd,&hmac_ctx.md_ctx); 441 } 442 for (;;) 443 { 444 i=BIO_read(bp,(char *)buf,BUFSIZE); 445 if(i < 0) 446 { 447 BIO_printf(bio_err, "Read Error in %s\n",file); 448 ERR_print_errors(bio_err); 449 return 1; 450 } 451 if (i == 0) break; 452 } 453 if(sigin) 454 { 455 EVP_MD_CTX *ctx; 456 BIO_get_md_ctx(bp, &ctx); 457 i = EVP_VerifyFinal(ctx, sigin, (unsigned int)siglen, key); 458 if(i > 0) 459 BIO_printf(out, "Verified OK\n"); 460 else if(i == 0) 461 { 462 BIO_printf(out, "Verification Failure\n"); 463 return 1; 464 } 465 else 466 { 467 BIO_printf(bio_err, "Error Verifying Data\n"); 468 ERR_print_errors(bio_err); 469 return 1; 470 } 471 return 0; 472 } 473 if(key) 474 { 475 EVP_MD_CTX *ctx; 476 BIO_get_md_ctx(bp, &ctx); 477 if(!EVP_SignFinal(ctx, buf, (unsigned int *)&len, key)) 478 { 479 BIO_printf(bio_err, "Error Signing Data\n"); 480 ERR_print_errors(bio_err); 481 return 1; 482 } 483 } 484 else if(hmac_key) 485 { 486 HMAC_Final(&hmac_ctx,buf,&len); 487 HMAC_CTX_cleanup(&hmac_ctx); 488 } 489 else 490 len=BIO_gets(bp,(char *)buf,BUFSIZE); 491 492 if(binout) BIO_write(out, buf, len); 493 else 494 { 495 BIO_write(out,title,strlen(title)); 496 for (i=0; (unsigned int)i<len; i++) 497 { 498 if (sep && (i != 0)) 499 BIO_printf(out, ":"); 500 BIO_printf(out, "%02x",buf[i]); 501 } 502 BIO_printf(out, "\n"); 503 } 504 if (hmac_key) 505 { 506 BIO_set_md_ctx(bmd,md_ctx); 507 } 508 return 0; 509 } 510 511