Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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 | |
| 77 | int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout, |
| 78 | EVP_PKEY *key, unsigned char *sigin, int siglen, |
| 79 | const char *sig_name, const char *md_name, |
| 80 | const char *file,BIO *bmd); |
| 81 | |
| 82 | static void list_md_fn(const EVP_MD *m, |
| 83 | const char *from, const char *to, void *arg) |
| 84 | { |
| 85 | const char *mname; |
| 86 | /* Skip aliases */ |
| 87 | if (!m) |
| 88 | return; |
| 89 | mname = OBJ_nid2ln(EVP_MD_type(m)); |
| 90 | /* Skip shortnames */ |
| 91 | if (strcmp(from, mname)) |
| 92 | return; |
| 93 | /* Skip clones */ |
| 94 | if (EVP_MD_flags(m) & EVP_MD_FLAG_PKEY_DIGEST) |
| 95 | return; |
| 96 | if (strchr(mname, ' ')) |
| 97 | mname= EVP_MD_name(m); |
| 98 | BIO_printf(arg, "-%-14s to use the %s message digest algorithm\n", |
| 99 | mname, mname); |
| 100 | } |
| 101 | |
| 102 | int MAIN(int, char **); |
| 103 | |
| 104 | int MAIN(int argc, char **argv) |
| 105 | { |
| 106 | ENGINE *e = NULL; |
| 107 | unsigned char *buf=NULL; |
| 108 | int i,err=1; |
| 109 | const EVP_MD *md=NULL,*m; |
| 110 | BIO *in=NULL,*inp; |
| 111 | BIO *bmd=NULL; |
| 112 | BIO *out = NULL; |
| 113 | #define PROG_NAME_SIZE 39 |
| 114 | char pname[PROG_NAME_SIZE+1]; |
| 115 | int separator=0; |
| 116 | int debug=0; |
| 117 | int keyform=FORMAT_PEM; |
| 118 | const char *outfile = NULL, *keyfile = NULL; |
| 119 | const char *sigfile = NULL, *randfile = NULL; |
| 120 | int out_bin = -1, want_pub = 0, do_verify = 0; |
| 121 | EVP_PKEY *sigkey = NULL; |
| 122 | unsigned char *sigbuf = NULL; |
| 123 | int siglen = 0; |
| 124 | char *passargin = NULL, *passin = NULL; |
| 125 | #ifndef OPENSSL_NO_ENGINE |
| 126 | char *engine=NULL; |
| 127 | #endif |
| 128 | char *hmac_key=NULL; |
| 129 | char *mac_name=NULL; |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 130 | STACK_OF(OPENSSL_STRING) *sigopts = NULL, *macopts = NULL; |
| 131 | |
| 132 | apps_startup(); |
| 133 | |
| 134 | if ((buf=(unsigned char *)OPENSSL_malloc(BUFSIZE)) == NULL) |
| 135 | { |
| 136 | BIO_printf(bio_err,"out of memory\n"); |
| 137 | goto end; |
| 138 | } |
| 139 | if (bio_err == NULL) |
| 140 | if ((bio_err=BIO_new(BIO_s_file())) != NULL) |
| 141 | BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); |
| 142 | |
| 143 | if (!load_config(bio_err, NULL)) |
| 144 | goto end; |
| 145 | |
| 146 | /* first check the program name */ |
| 147 | program_name(argv[0],pname,sizeof pname); |
| 148 | |
| 149 | md=EVP_get_digestbyname(pname); |
| 150 | |
| 151 | argc--; |
| 152 | argv++; |
| 153 | while (argc > 0) |
| 154 | { |
| 155 | if ((*argv)[0] != '-') break; |
| 156 | if (strcmp(*argv,"-c") == 0) |
| 157 | separator=1; |
| 158 | else if (strcmp(*argv,"-r") == 0) |
| 159 | separator=2; |
| 160 | else if (strcmp(*argv,"-rand") == 0) |
| 161 | { |
| 162 | if (--argc < 1) break; |
| 163 | randfile=*(++argv); |
| 164 | } |
| 165 | else if (strcmp(*argv,"-out") == 0) |
| 166 | { |
| 167 | if (--argc < 1) break; |
| 168 | outfile=*(++argv); |
| 169 | } |
| 170 | else if (strcmp(*argv,"-sign") == 0) |
| 171 | { |
| 172 | if (--argc < 1) break; |
| 173 | keyfile=*(++argv); |
| 174 | } |
| 175 | else if (!strcmp(*argv,"-passin")) |
| 176 | { |
| 177 | if (--argc < 1) |
| 178 | break; |
| 179 | passargin=*++argv; |
| 180 | } |
| 181 | else if (strcmp(*argv,"-verify") == 0) |
| 182 | { |
| 183 | if (--argc < 1) break; |
| 184 | keyfile=*(++argv); |
| 185 | want_pub = 1; |
| 186 | do_verify = 1; |
| 187 | } |
| 188 | else if (strcmp(*argv,"-prverify") == 0) |
| 189 | { |
| 190 | if (--argc < 1) break; |
| 191 | keyfile=*(++argv); |
| 192 | do_verify = 1; |
| 193 | } |
| 194 | else if (strcmp(*argv,"-signature") == 0) |
| 195 | { |
| 196 | if (--argc < 1) break; |
| 197 | sigfile=*(++argv); |
| 198 | } |
| 199 | else if (strcmp(*argv,"-keyform") == 0) |
| 200 | { |
| 201 | if (--argc < 1) break; |
| 202 | keyform=str2fmt(*(++argv)); |
| 203 | } |
| 204 | #ifndef OPENSSL_NO_ENGINE |
| 205 | else if (strcmp(*argv,"-engine") == 0) |
| 206 | { |
| 207 | if (--argc < 1) break; |
| 208 | engine= *(++argv); |
| 209 | e = setup_engine(bio_err, engine, 0); |
| 210 | } |
| 211 | #endif |
| 212 | else if (strcmp(*argv,"-hex") == 0) |
| 213 | out_bin = 0; |
| 214 | else if (strcmp(*argv,"-binary") == 0) |
| 215 | out_bin = 1; |
| 216 | else if (strcmp(*argv,"-d") == 0) |
| 217 | debug=1; |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 218 | else if (!strcmp(*argv,"-hmac")) |
| 219 | { |
| 220 | if (--argc < 1) |
| 221 | break; |
| 222 | hmac_key=*++argv; |
| 223 | } |
| 224 | else if (!strcmp(*argv,"-mac")) |
| 225 | { |
| 226 | if (--argc < 1) |
| 227 | break; |
| 228 | mac_name=*++argv; |
| 229 | } |
| 230 | else if (strcmp(*argv,"-sigopt") == 0) |
| 231 | { |
| 232 | if (--argc < 1) |
| 233 | break; |
| 234 | if (!sigopts) |
| 235 | sigopts = sk_OPENSSL_STRING_new_null(); |
| 236 | if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv))) |
| 237 | break; |
| 238 | } |
| 239 | else if (strcmp(*argv,"-macopt") == 0) |
| 240 | { |
| 241 | if (--argc < 1) |
| 242 | break; |
| 243 | if (!macopts) |
| 244 | macopts = sk_OPENSSL_STRING_new_null(); |
| 245 | if (!macopts || !sk_OPENSSL_STRING_push(macopts, *(++argv))) |
| 246 | break; |
| 247 | } |
| 248 | else if ((m=EVP_get_digestbyname(&((*argv)[1]))) != NULL) |
| 249 | md=m; |
| 250 | else |
| 251 | break; |
| 252 | argc--; |
| 253 | argv++; |
| 254 | } |
| 255 | |
| 256 | |
| 257 | if(do_verify && !sigfile) { |
| 258 | BIO_printf(bio_err, "No signature to verify: use the -signature option\n"); |
| 259 | goto end; |
| 260 | } |
| 261 | |
| 262 | if ((argc > 0) && (argv[0][0] == '-')) /* bad option */ |
| 263 | { |
| 264 | BIO_printf(bio_err,"unknown option '%s'\n",*argv); |
| 265 | BIO_printf(bio_err,"options are\n"); |
| 266 | BIO_printf(bio_err,"-c to output the digest with separating colons\n"); |
| 267 | BIO_printf(bio_err,"-r to output the digest in coreutils format\n"); |
| 268 | BIO_printf(bio_err,"-d to output debug info\n"); |
| 269 | BIO_printf(bio_err,"-hex output as hex dump\n"); |
| 270 | BIO_printf(bio_err,"-binary output in binary form\n"); |
| 271 | BIO_printf(bio_err,"-sign file sign digest using private key in file\n"); |
| 272 | BIO_printf(bio_err,"-verify file verify a signature using public key in file\n"); |
| 273 | BIO_printf(bio_err,"-prverify file verify a signature using private key in file\n"); |
| 274 | BIO_printf(bio_err,"-keyform arg key file format (PEM or ENGINE)\n"); |
| 275 | BIO_printf(bio_err,"-out filename output to filename rather than stdout\n"); |
| 276 | BIO_printf(bio_err,"-signature file signature to verify\n"); |
| 277 | BIO_printf(bio_err,"-sigopt nm:v signature parameter\n"); |
| 278 | BIO_printf(bio_err,"-hmac key create hashed MAC with key\n"); |
| 279 | BIO_printf(bio_err,"-mac algorithm create MAC (not neccessarily HMAC)\n"); |
| 280 | BIO_printf(bio_err,"-macopt nm:v MAC algorithm parameters or key\n"); |
| 281 | #ifndef OPENSSL_NO_ENGINE |
| 282 | BIO_printf(bio_err,"-engine e use engine e, possibly a hardware device.\n"); |
| 283 | #endif |
| 284 | |
| 285 | EVP_MD_do_all_sorted(list_md_fn, bio_err); |
| 286 | goto end; |
| 287 | } |
| 288 | |
| 289 | in=BIO_new(BIO_s_file()); |
| 290 | bmd=BIO_new(BIO_f_md()); |
| 291 | if (debug) |
| 292 | { |
| 293 | BIO_set_callback(in,BIO_debug_callback); |
| 294 | /* needed for windows 3.1 */ |
| 295 | BIO_set_callback_arg(in,(char *)bio_err); |
| 296 | } |
| 297 | |
| 298 | if(!app_passwd(bio_err, passargin, NULL, &passin, NULL)) |
| 299 | { |
| 300 | BIO_printf(bio_err, "Error getting password\n"); |
| 301 | goto end; |
| 302 | } |
| 303 | |
| 304 | if ((in == NULL) || (bmd == NULL)) |
| 305 | { |
| 306 | ERR_print_errors(bio_err); |
| 307 | goto end; |
| 308 | } |
| 309 | |
| 310 | if(out_bin == -1) { |
| 311 | if(keyfile) |
| 312 | out_bin = 1; |
| 313 | else |
| 314 | out_bin = 0; |
| 315 | } |
| 316 | |
| 317 | if(randfile) |
| 318 | app_RAND_load_file(randfile, bio_err, 0); |
| 319 | |
| 320 | if(outfile) { |
| 321 | if(out_bin) |
| 322 | out = BIO_new_file(outfile, "wb"); |
| 323 | else out = BIO_new_file(outfile, "w"); |
| 324 | } else { |
| 325 | out = BIO_new_fp(stdout, BIO_NOCLOSE); |
| 326 | #ifdef OPENSSL_SYS_VMS |
| 327 | { |
| 328 | BIO *tmpbio = BIO_new(BIO_f_linebuffer()); |
| 329 | out = BIO_push(tmpbio, out); |
| 330 | } |
| 331 | #endif |
| 332 | } |
| 333 | |
| 334 | if(!out) { |
| 335 | BIO_printf(bio_err, "Error opening output file %s\n", |
| 336 | outfile ? outfile : "(stdout)"); |
| 337 | ERR_print_errors(bio_err); |
| 338 | goto end; |
| 339 | } |
| 340 | if ((!!mac_name + !!keyfile + !!hmac_key) > 1) |
| 341 | { |
| 342 | BIO_printf(bio_err, "MAC and Signing key cannot both be specified\n"); |
| 343 | goto end; |
| 344 | } |
| 345 | |
| 346 | if(keyfile) |
| 347 | { |
| 348 | if (want_pub) |
| 349 | sigkey = load_pubkey(bio_err, keyfile, keyform, 0, NULL, |
| 350 | e, "key file"); |
| 351 | else |
| 352 | sigkey = load_key(bio_err, keyfile, keyform, 0, passin, |
| 353 | e, "key file"); |
| 354 | if (!sigkey) |
| 355 | { |
| 356 | /* load_[pub]key() has already printed an appropriate |
| 357 | message */ |
| 358 | goto end; |
| 359 | } |
| 360 | } |
| 361 | |
| 362 | if (mac_name) |
| 363 | { |
| 364 | EVP_PKEY_CTX *mac_ctx = NULL; |
| 365 | int r = 0; |
| 366 | if (!init_gen_str(bio_err, &mac_ctx, mac_name,e, 0)) |
| 367 | goto mac_end; |
| 368 | if (macopts) |
| 369 | { |
| 370 | char *macopt; |
| 371 | for (i = 0; i < sk_OPENSSL_STRING_num(macopts); i++) |
| 372 | { |
| 373 | macopt = sk_OPENSSL_STRING_value(macopts, i); |
| 374 | if (pkey_ctrl_string(mac_ctx, macopt) <= 0) |
| 375 | { |
| 376 | BIO_printf(bio_err, |
| 377 | "MAC parameter error \"%s\"\n", |
| 378 | macopt); |
| 379 | ERR_print_errors(bio_err); |
| 380 | goto mac_end; |
| 381 | } |
| 382 | } |
| 383 | } |
| 384 | if (EVP_PKEY_keygen(mac_ctx, &sigkey) <= 0) |
| 385 | { |
| 386 | BIO_puts(bio_err, "Error generating key\n"); |
| 387 | ERR_print_errors(bio_err); |
| 388 | goto mac_end; |
| 389 | } |
| 390 | r = 1; |
| 391 | mac_end: |
| 392 | if (mac_ctx) |
| 393 | EVP_PKEY_CTX_free(mac_ctx); |
| 394 | if (r == 0) |
| 395 | goto end; |
| 396 | } |
| 397 | |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 398 | if (hmac_key) |
| 399 | { |
| 400 | sigkey = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, e, |
| 401 | (unsigned char *)hmac_key, -1); |
| 402 | if (!sigkey) |
| 403 | goto end; |
| 404 | } |
| 405 | |
| 406 | if (sigkey) |
| 407 | { |
| 408 | EVP_MD_CTX *mctx = NULL; |
| 409 | EVP_PKEY_CTX *pctx = NULL; |
| 410 | int r; |
| 411 | if (!BIO_get_md_ctx(bmd, &mctx)) |
| 412 | { |
| 413 | BIO_printf(bio_err, "Error getting context\n"); |
| 414 | ERR_print_errors(bio_err); |
| 415 | goto end; |
| 416 | } |
| 417 | if (do_verify) |
| 418 | r = EVP_DigestVerifyInit(mctx, &pctx, md, e, sigkey); |
| 419 | else |
| 420 | r = EVP_DigestSignInit(mctx, &pctx, md, e, sigkey); |
| 421 | if (!r) |
| 422 | { |
| 423 | BIO_printf(bio_err, "Error setting context\n"); |
| 424 | ERR_print_errors(bio_err); |
| 425 | goto end; |
| 426 | } |
| 427 | if (sigopts) |
| 428 | { |
| 429 | char *sigopt; |
| 430 | for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) |
| 431 | { |
| 432 | sigopt = sk_OPENSSL_STRING_value(sigopts, i); |
| 433 | if (pkey_ctrl_string(pctx, sigopt) <= 0) |
| 434 | { |
| 435 | BIO_printf(bio_err, |
| 436 | "parameter error \"%s\"\n", |
| 437 | sigopt); |
| 438 | ERR_print_errors(bio_err); |
| 439 | goto end; |
| 440 | } |
| 441 | } |
| 442 | } |
| 443 | } |
| 444 | /* we use md as a filter, reading from 'in' */ |
| 445 | else |
| 446 | { |
| 447 | if (md == NULL) |
| 448 | md = EVP_md5(); |
| 449 | if (!BIO_set_md(bmd,md)) |
| 450 | { |
| 451 | BIO_printf(bio_err, "Error setting digest %s\n", pname); |
| 452 | ERR_print_errors(bio_err); |
| 453 | goto end; |
| 454 | } |
| 455 | } |
| 456 | |
| 457 | if(sigfile && sigkey) { |
| 458 | BIO *sigbio; |
| 459 | sigbio = BIO_new_file(sigfile, "rb"); |
| 460 | siglen = EVP_PKEY_size(sigkey); |
| 461 | sigbuf = OPENSSL_malloc(siglen); |
| 462 | if(!sigbio) { |
| 463 | BIO_printf(bio_err, "Error opening signature file %s\n", |
| 464 | sigfile); |
| 465 | ERR_print_errors(bio_err); |
| 466 | goto end; |
| 467 | } |
| 468 | siglen = BIO_read(sigbio, sigbuf, siglen); |
| 469 | BIO_free(sigbio); |
| 470 | if(siglen <= 0) { |
| 471 | BIO_printf(bio_err, "Error reading signature file %s\n", |
| 472 | sigfile); |
| 473 | ERR_print_errors(bio_err); |
| 474 | goto end; |
| 475 | } |
| 476 | } |
| 477 | inp=BIO_push(bmd,in); |
| 478 | |
| 479 | if (md == NULL) |
| 480 | { |
| 481 | EVP_MD_CTX *tctx; |
| 482 | BIO_get_md_ctx(bmd, &tctx); |
| 483 | md = EVP_MD_CTX_md(tctx); |
| 484 | } |
| 485 | |
| 486 | if (argc == 0) |
| 487 | { |
| 488 | BIO_set_fp(in,stdin,BIO_NOCLOSE); |
| 489 | err=do_fp(out, buf,inp,separator, out_bin, sigkey, sigbuf, |
| 490 | siglen,NULL,NULL,"stdin",bmd); |
| 491 | } |
| 492 | else |
| 493 | { |
| 494 | const char *md_name = NULL, *sig_name = NULL; |
| 495 | if(!out_bin) |
| 496 | { |
| 497 | if (sigkey) |
| 498 | { |
| 499 | const EVP_PKEY_ASN1_METHOD *ameth; |
| 500 | ameth = EVP_PKEY_get0_asn1(sigkey); |
| 501 | if (ameth) |
| 502 | EVP_PKEY_asn1_get0_info(NULL, NULL, |
| 503 | NULL, NULL, &sig_name, ameth); |
| 504 | } |
| 505 | md_name = EVP_MD_name(md); |
| 506 | } |
| 507 | err = 0; |
| 508 | for (i=0; i<argc; i++) |
| 509 | { |
| 510 | int r; |
| 511 | if (BIO_read_filename(in,argv[i]) <= 0) |
| 512 | { |
| 513 | perror(argv[i]); |
| 514 | err++; |
| 515 | continue; |
| 516 | } |
| 517 | else |
| 518 | r=do_fp(out,buf,inp,separator,out_bin,sigkey,sigbuf, |
| 519 | siglen,sig_name,md_name, argv[i],bmd); |
| 520 | if(r) |
| 521 | err=r; |
| 522 | (void)BIO_reset(bmd); |
| 523 | } |
| 524 | } |
| 525 | end: |
| 526 | if (buf != NULL) |
| 527 | { |
| 528 | OPENSSL_cleanse(buf,BUFSIZE); |
| 529 | OPENSSL_free(buf); |
| 530 | } |
| 531 | if (in != NULL) BIO_free(in); |
| 532 | if (passin) |
| 533 | OPENSSL_free(passin); |
| 534 | BIO_free_all(out); |
| 535 | EVP_PKEY_free(sigkey); |
| 536 | if (sigopts) |
| 537 | sk_OPENSSL_STRING_free(sigopts); |
| 538 | if (macopts) |
| 539 | sk_OPENSSL_STRING_free(macopts); |
| 540 | if(sigbuf) OPENSSL_free(sigbuf); |
| 541 | if (bmd != NULL) BIO_free(bmd); |
| 542 | apps_shutdown(); |
| 543 | OPENSSL_EXIT(err); |
| 544 | } |
| 545 | |
| 546 | int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout, |
| 547 | EVP_PKEY *key, unsigned char *sigin, int siglen, |
| 548 | const char *sig_name, const char *md_name, |
| 549 | const char *file,BIO *bmd) |
| 550 | { |
| 551 | size_t len; |
| 552 | int i; |
| 553 | |
| 554 | for (;;) |
| 555 | { |
| 556 | i=BIO_read(bp,(char *)buf,BUFSIZE); |
| 557 | if(i < 0) |
| 558 | { |
| 559 | BIO_printf(bio_err, "Read Error in %s\n",file); |
| 560 | ERR_print_errors(bio_err); |
| 561 | return 1; |
| 562 | } |
| 563 | if (i == 0) break; |
| 564 | } |
| 565 | if(sigin) |
| 566 | { |
| 567 | EVP_MD_CTX *ctx; |
| 568 | BIO_get_md_ctx(bp, &ctx); |
| 569 | i = EVP_DigestVerifyFinal(ctx, sigin, (unsigned int)siglen); |
| 570 | if(i > 0) |
| 571 | BIO_printf(out, "Verified OK\n"); |
| 572 | else if(i == 0) |
| 573 | { |
| 574 | BIO_printf(out, "Verification Failure\n"); |
| 575 | return 1; |
| 576 | } |
| 577 | else |
| 578 | { |
| 579 | BIO_printf(bio_err, "Error Verifying Data\n"); |
| 580 | ERR_print_errors(bio_err); |
| 581 | return 1; |
| 582 | } |
| 583 | return 0; |
| 584 | } |
| 585 | if(key) |
| 586 | { |
| 587 | EVP_MD_CTX *ctx; |
| 588 | BIO_get_md_ctx(bp, &ctx); |
| 589 | len = BUFSIZE; |
| 590 | if(!EVP_DigestSignFinal(ctx, buf, &len)) |
| 591 | { |
| 592 | BIO_printf(bio_err, "Error Signing Data\n"); |
| 593 | ERR_print_errors(bio_err); |
| 594 | return 1; |
| 595 | } |
| 596 | } |
| 597 | else |
| 598 | { |
| 599 | len=BIO_gets(bp,(char *)buf,BUFSIZE); |
| 600 | if ((int)len <0) |
| 601 | { |
| 602 | ERR_print_errors(bio_err); |
| 603 | return 1; |
| 604 | } |
| 605 | } |
| 606 | |
| 607 | if(binout) BIO_write(out, buf, len); |
| 608 | else if (sep == 2) |
| 609 | { |
| 610 | for (i=0; i<(int)len; i++) |
| 611 | BIO_printf(out, "%02x",buf[i]); |
| 612 | BIO_printf(out, " *%s\n", file); |
| 613 | } |
| 614 | else |
| 615 | { |
| 616 | if (sig_name) |
| 617 | BIO_printf(out, "%s-%s(%s)= ", sig_name, md_name, file); |
| 618 | else if (md_name) |
| 619 | BIO_printf(out, "%s(%s)= ", md_name, file); |
| 620 | else |
| 621 | BIO_printf(out, "(%s)= ", file); |
| 622 | for (i=0; i<(int)len; i++) |
| 623 | { |
| 624 | if (sep && (i != 0)) |
| 625 | BIO_printf(out, ":"); |
| 626 | BIO_printf(out, "%02x",buf[i]); |
| 627 | } |
| 628 | BIO_printf(out, "\n"); |
| 629 | } |
| 630 | return 0; |
| 631 | } |
| 632 | |