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, const char *title,
79 const char *file,BIO *bmd,const char *hmac_key);
80
81 int MAIN(int, char **);
82
MAIN(int argc,char ** argv)83 int MAIN(int argc, char **argv)
84 {
85 ENGINE *e = NULL;
86 unsigned char *buf=NULL;
87 int i,err=0;
88 const EVP_MD *md=NULL,*m;
89 BIO *in=NULL,*inp;
90 BIO *bmd=NULL;
91 BIO *out = NULL;
92 const char *name;
93 #define PROG_NAME_SIZE 39
94 char pname[PROG_NAME_SIZE+1];
95 int separator=0;
96 int debug=0;
97 int keyform=FORMAT_PEM;
98 const char *outfile = NULL, *keyfile = NULL;
99 const char *sigfile = NULL, *randfile = NULL;
100 int out_bin = -1, want_pub = 0, do_verify = 0;
101 EVP_PKEY *sigkey = NULL;
102 unsigned char *sigbuf = NULL;
103 int siglen = 0;
104 char *passargin = NULL, *passin = NULL;
105 #ifndef OPENSSL_NO_ENGINE
106 char *engine=NULL;
107 #endif
108 char *hmac_key=NULL;
109
110 apps_startup();
111
112 if ((buf=(unsigned char *)OPENSSL_malloc(BUFSIZE)) == NULL)
113 {
114 BIO_printf(bio_err,"out of memory\n");
115 goto end;
116 }
117 if (bio_err == NULL)
118 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
119 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
120
121 if (!load_config(bio_err, NULL))
122 goto end;
123
124 /* first check the program name */
125 program_name(argv[0],pname,sizeof pname);
126
127 md=EVP_get_digestbyname(pname);
128
129 argc--;
130 argv++;
131 while (argc > 0)
132 {
133 if ((*argv)[0] != '-') break;
134 if (strcmp(*argv,"-c") == 0)
135 separator=1;
136 else if (strcmp(*argv,"-rand") == 0)
137 {
138 if (--argc < 1) break;
139 randfile=*(++argv);
140 }
141 else if (strcmp(*argv,"-out") == 0)
142 {
143 if (--argc < 1) break;
144 outfile=*(++argv);
145 }
146 else if (strcmp(*argv,"-sign") == 0)
147 {
148 if (--argc < 1) break;
149 keyfile=*(++argv);
150 }
151 else if (!strcmp(*argv,"-passin"))
152 {
153 if (--argc < 1)
154 break;
155 passargin=*++argv;
156 }
157 else if (strcmp(*argv,"-verify") == 0)
158 {
159 if (--argc < 1) break;
160 keyfile=*(++argv);
161 want_pub = 1;
162 do_verify = 1;
163 }
164 else if (strcmp(*argv,"-prverify") == 0)
165 {
166 if (--argc < 1) break;
167 keyfile=*(++argv);
168 do_verify = 1;
169 }
170 else if (strcmp(*argv,"-signature") == 0)
171 {
172 if (--argc < 1) break;
173 sigfile=*(++argv);
174 }
175 else if (strcmp(*argv,"-keyform") == 0)
176 {
177 if (--argc < 1) break;
178 keyform=str2fmt(*(++argv));
179 }
180 #ifndef OPENSSL_NO_ENGINE
181 else if (strcmp(*argv,"-engine") == 0)
182 {
183 if (--argc < 1) break;
184 engine= *(++argv);
185 }
186 #endif
187 else if (strcmp(*argv,"-hex") == 0)
188 out_bin = 0;
189 else if (strcmp(*argv,"-binary") == 0)
190 out_bin = 1;
191 else if (strcmp(*argv,"-d") == 0)
192 debug=1;
193 else if (!strcmp(*argv,"-fips-fingerprint"))
194 hmac_key = "etaonrishdlcupfm";
195 else if (!strcmp(*argv,"-hmac"))
196 {
197 if (--argc < 1)
198 break;
199 hmac_key=*++argv;
200 }
201 else if ((m=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
202 md=m;
203 else
204 break;
205 argc--;
206 argv++;
207 }
208
209 if (md == NULL)
210 md=EVP_md5();
211
212 if(do_verify && !sigfile) {
213 BIO_printf(bio_err, "No signature to verify: use the -signature option\n");
214 err = 1;
215 goto end;
216 }
217
218 if ((argc > 0) && (argv[0][0] == '-')) /* bad option */
219 {
220 BIO_printf(bio_err,"unknown option '%s'\n",*argv);
221 BIO_printf(bio_err,"options are\n");
222 BIO_printf(bio_err,"-c to output the digest with separating colons\n");
223 BIO_printf(bio_err,"-d to output debug info\n");
224 BIO_printf(bio_err,"-hex output as hex dump\n");
225 BIO_printf(bio_err,"-binary output in binary form\n");
226 BIO_printf(bio_err,"-sign file sign digest using private key in file\n");
227 BIO_printf(bio_err,"-verify file verify a signature using public key in file\n");
228 BIO_printf(bio_err,"-prverify file verify a signature using private key in file\n");
229 BIO_printf(bio_err,"-keyform arg key file format (PEM or ENGINE)\n");
230 BIO_printf(bio_err,"-signature file signature to verify\n");
231 BIO_printf(bio_err,"-binary output in binary form\n");
232 BIO_printf(bio_err,"-hmac key create hashed MAC with key\n");
233 #ifndef OPENSSL_NO_ENGINE
234 BIO_printf(bio_err,"-engine e use engine e, possibly a hardware device.\n");
235 #endif
236
237 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm (default)\n",
238 LN_md5,LN_md5);
239 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
240 LN_md4,LN_md4);
241 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
242 LN_md2,LN_md2);
243 #ifndef OPENSSL_NO_SHA
244 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
245 LN_sha1,LN_sha1);
246 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
247 LN_sha,LN_sha);
248 #ifndef OPENSSL_NO_SHA256
249 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
250 LN_sha224,LN_sha224);
251 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
252 LN_sha256,LN_sha256);
253 #endif
254 #ifndef OPENSSL_NO_SHA512
255 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
256 LN_sha384,LN_sha384);
257 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
258 LN_sha512,LN_sha512);
259 #endif
260 #endif
261 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
262 LN_mdc2,LN_mdc2);
263 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n",
264 LN_ripemd160,LN_ripemd160);
265 err=1;
266 goto end;
267 }
268
269 #ifndef OPENSSL_NO_ENGINE
270 e = setup_engine(bio_err, engine, 0);
271 #endif
272
273 in=BIO_new(BIO_s_file());
274 bmd=BIO_new(BIO_f_md());
275 if (debug)
276 {
277 BIO_set_callback(in,BIO_debug_callback);
278 /* needed for windows 3.1 */
279 BIO_set_callback_arg(in,(char *)bio_err);
280 }
281
282 if(!app_passwd(bio_err, passargin, NULL, &passin, NULL))
283 {
284 BIO_printf(bio_err, "Error getting password\n");
285 goto end;
286 }
287
288 if ((in == NULL) || (bmd == NULL))
289 {
290 ERR_print_errors(bio_err);
291 goto end;
292 }
293
294 if(out_bin == -1) {
295 if(keyfile) out_bin = 1;
296 else out_bin = 0;
297 }
298
299 if(randfile)
300 app_RAND_load_file(randfile, bio_err, 0);
301
302 if(outfile) {
303 if(out_bin)
304 out = BIO_new_file(outfile, "wb");
305 else out = BIO_new_file(outfile, "w");
306 } else {
307 out = BIO_new_fp(stdout, BIO_NOCLOSE);
308 #ifdef OPENSSL_SYS_VMS
309 {
310 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
311 out = BIO_push(tmpbio, out);
312 }
313 #endif
314 }
315
316 if(!out) {
317 BIO_printf(bio_err, "Error opening output file %s\n",
318 outfile ? outfile : "(stdout)");
319 ERR_print_errors(bio_err);
320 goto end;
321 }
322
323 if(keyfile)
324 {
325 if (want_pub)
326 sigkey = load_pubkey(bio_err, keyfile, keyform, 0, NULL,
327 e, "key file");
328 else
329 sigkey = load_key(bio_err, keyfile, keyform, 0, passin,
330 e, "key file");
331 if (!sigkey)
332 {
333 /* load_[pub]key() has already printed an appropriate
334 message */
335 goto end;
336 }
337 }
338
339 if(sigfile && sigkey) {
340 BIO *sigbio;
341 sigbio = BIO_new_file(sigfile, "rb");
342 siglen = EVP_PKEY_size(sigkey);
343 sigbuf = OPENSSL_malloc(siglen);
344 if(!sigbio) {
345 BIO_printf(bio_err, "Error opening signature file %s\n",
346 sigfile);
347 ERR_print_errors(bio_err);
348 goto end;
349 }
350 siglen = BIO_read(sigbio, sigbuf, siglen);
351 BIO_free(sigbio);
352 if(siglen <= 0) {
353 BIO_printf(bio_err, "Error reading signature file %s\n",
354 sigfile);
355 ERR_print_errors(bio_err);
356 goto end;
357 }
358 }
359
360
361
362 /* we use md as a filter, reading from 'in' */
363 if (!BIO_set_md(bmd,md))
364 {
365 BIO_printf(bio_err, "Error setting digest %s\n", pname);
366 ERR_print_errors(bio_err);
367 goto end;
368 }
369
370 inp=BIO_push(bmd,in);
371
372 if (argc == 0)
373 {
374 BIO_set_fp(in,stdin,BIO_NOCLOSE);
375 err=do_fp(out, buf,inp,separator, out_bin, sigkey, sigbuf,
376 siglen,"","(stdin)",bmd,hmac_key);
377 }
378 else
379 {
380 name=OBJ_nid2sn(md->type);
381 for (i=0; i<argc; i++)
382 {
383 char *tmp,*tofree=NULL;
384 int r;
385
386 if (BIO_read_filename(in,argv[i]) <= 0)
387 {
388 perror(argv[i]);
389 err++;
390 continue;
391 }
392 if(!out_bin)
393 {
394 size_t len = strlen(name)+strlen(argv[i])+(hmac_key ? 5 : 0)+5;
395 tmp=tofree=OPENSSL_malloc(len);
396 BIO_snprintf(tmp,len,"%s%s(%s)= ",
397 hmac_key ? "HMAC-" : "",name,argv[i]);
398 }
399 else
400 tmp="";
401 r=do_fp(out,buf,inp,separator,out_bin,sigkey,sigbuf,
402 siglen,tmp,argv[i],bmd,hmac_key);
403 if(r)
404 err=r;
405 if(tofree)
406 OPENSSL_free(tofree);
407 (void)BIO_reset(bmd);
408 }
409 }
410 end:
411 if (buf != NULL)
412 {
413 OPENSSL_cleanse(buf,BUFSIZE);
414 OPENSSL_free(buf);
415 }
416 if (in != NULL) BIO_free(in);
417 if (passin)
418 OPENSSL_free(passin);
419 BIO_free_all(out);
420 EVP_PKEY_free(sigkey);
421 if(sigbuf) OPENSSL_free(sigbuf);
422 if (bmd != NULL) BIO_free(bmd);
423 apps_shutdown();
424 OPENSSL_EXIT(err);
425 }
426
do_fp(BIO * out,unsigned char * buf,BIO * bp,int sep,int binout,EVP_PKEY * key,unsigned char * sigin,int siglen,const char * title,const char * file,BIO * bmd,const char * hmac_key)427 int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
428 EVP_PKEY *key, unsigned char *sigin, int siglen, const char *title,
429 const char *file,BIO *bmd,const char *hmac_key)
430 {
431 unsigned int len;
432 int i;
433 EVP_MD_CTX *md_ctx;
434 HMAC_CTX hmac_ctx;
435
436 if (hmac_key)
437 {
438 EVP_MD *md;
439
440 BIO_get_md(bmd,&md);
441 HMAC_CTX_init(&hmac_ctx);
442 HMAC_Init_ex(&hmac_ctx,hmac_key,strlen(hmac_key),md, NULL);
443 BIO_get_md_ctx(bmd,&md_ctx);
444 BIO_set_md_ctx(bmd,&hmac_ctx.md_ctx);
445 }
446 for (;;)
447 {
448 i=BIO_read(bp,(char *)buf,BUFSIZE);
449 if(i < 0)
450 {
451 BIO_printf(bio_err, "Read Error in %s\n",file);
452 ERR_print_errors(bio_err);
453 return 1;
454 }
455 if (i == 0) break;
456 }
457 if(sigin)
458 {
459 EVP_MD_CTX *ctx;
460 BIO_get_md_ctx(bp, &ctx);
461 i = EVP_VerifyFinal(ctx, sigin, (unsigned int)siglen, key);
462 if(i > 0)
463 BIO_printf(out, "Verified OK\n");
464 else if(i == 0)
465 {
466 BIO_printf(out, "Verification Failure\n");
467 return 1;
468 }
469 else
470 {
471 BIO_printf(bio_err, "Error Verifying Data\n");
472 ERR_print_errors(bio_err);
473 return 1;
474 }
475 return 0;
476 }
477 if(key)
478 {
479 EVP_MD_CTX *ctx;
480 BIO_get_md_ctx(bp, &ctx);
481 if(!EVP_SignFinal(ctx, buf, (unsigned int *)&len, key))
482 {
483 BIO_printf(bio_err, "Error Signing Data\n");
484 ERR_print_errors(bio_err);
485 return 1;
486 }
487 }
488 else if(hmac_key)
489 {
490 HMAC_Final(&hmac_ctx,buf,&len);
491 HMAC_CTX_cleanup(&hmac_ctx);
492 }
493 else
494 len=BIO_gets(bp,(char *)buf,BUFSIZE);
495
496 if(binout) BIO_write(out, buf, len);
497 else
498 {
499 BIO_write(out,title,strlen(title));
500 for (i=0; i<(int)len; i++)
501 {
502 if (sep && (i != 0))
503 BIO_printf(out, ":");
504 BIO_printf(out, "%02x",buf[i]);
505 }
506 BIO_printf(out, "\n");
507 }
508 if (hmac_key)
509 {
510 BIO_set_md_ctx(bmd,md_ctx);
511 }
512 return 0;
513 }
514
515