|
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 |
|
82 int MAIN(int, char **); |
|
83 |
|
84 int MAIN(int argc, char **argv) |
|
85 { |
|
86 ENGINE *e = NULL; |
|
87 unsigned char *buf=NULL; |
|
88 int i,err=0; |
|
89 const EVP_MD *md=NULL,*m; |
|
90 BIO *in=NULL,*inp; |
|
91 BIO *bmd=NULL; |
|
92 BIO *out = NULL; |
|
93 const char *name; |
|
94 #define PROG_NAME_SIZE 39 |
|
95 char pname[PROG_NAME_SIZE+1]; |
|
96 int separator=0; |
|
97 int debug=0; |
|
98 int keyform=FORMAT_PEM; |
|
99 const char *outfile = NULL, *keyfile = NULL; |
|
100 const char *sigfile = NULL, *randfile = NULL; |
|
101 int out_bin = -1, want_pub = 0, do_verify = 0; |
|
102 EVP_PKEY *sigkey = NULL; |
|
103 unsigned char *sigbuf = NULL; |
|
104 int siglen = 0; |
|
105 char *passargin = NULL, *passin = NULL; |
|
106 #ifndef OPENSSL_NO_ENGINE |
|
107 char *engine=NULL; |
|
108 #endif |
|
109 char *hmac_key=NULL; |
|
110 |
|
111 apps_startup(); |
|
112 |
|
113 if ((buf=(unsigned char *)OPENSSL_malloc(BUFSIZE)) == NULL) |
|
114 { |
|
115 BIO_printf(bio_err,"out of memory\n"); |
|
116 goto end; |
|
117 } |
|
118 if (bio_err == NULL) |
|
119 if ((bio_err=BIO_new(BIO_s_file())) != NULL) |
|
120 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); |
|
121 |
|
122 |
|
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,"-hmac")) |
|
197 { |
|
198 if (--argc < 1) |
|
199 break; |
|
200 hmac_key=*++argv; |
|
201 } |
|
202 else if ((m=EVP_get_digestbyname(&((*argv)[1]))) != NULL) |
|
203 md=m; |
|
204 else |
|
205 break; |
|
206 argc--; |
|
207 argv++; |
|
208 } |
|
209 |
|
210 if (md == NULL) |
|
211 md=EVP_md5(); |
|
212 |
|
213 if(do_verify && !sigfile) { |
|
214 BIO_printf(bio_err, "No signature to verify: use the -signature option\n"); |
|
215 err = 1; |
|
216 goto end; |
|
217 } |
|
218 |
|
219 if ((argc > 0) && (argv[0][0] == '-')) /* bad option */ |
|
220 { |
|
221 BIO_printf(bio_err,"unknown option '%s'\n",*argv); |
|
222 BIO_printf(bio_err,"options are\n"); |
|
223 BIO_printf(bio_err,"-c to output the digest with separating colons\n"); |
|
224 BIO_printf(bio_err,"-d to output debug info\n"); |
|
225 BIO_printf(bio_err,"-hex output as hex dump\n"); |
|
226 BIO_printf(bio_err,"-binary output in binary form\n"); |
|
227 BIO_printf(bio_err,"-sign file sign digest using private key in file\n"); |
|
228 BIO_printf(bio_err,"-verify file verify a signature using public key in file\n"); |
|
229 BIO_printf(bio_err,"-prverify file verify a signature using private key in file\n"); |
|
230 BIO_printf(bio_err,"-keyform arg key file format (PEM or ENGINE)\n"); |
|
231 BIO_printf(bio_err,"-signature file signature to verify\n"); |
|
232 BIO_printf(bio_err,"-binary output in binary form\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 |
|
308 out = BIO_new_fp(stdout, BIO_NOCLOSE); |
|
309 #ifdef OPENSSL_SYS_VMS |
|
310 { |
|
311 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); |
|
312 out = BIO_push(tmpbio, out); |
|
313 } |
|
314 #endif |
|
315 } |
|
316 |
|
317 if(!out) { |
|
318 BIO_printf(bio_err, "Error opening output file %s\n", |
|
319 outfile ? outfile : "(stdout)"); |
|
320 ERR_print_errors(bio_err); |
|
321 goto end; |
|
322 } |
|
323 |
|
324 if(keyfile) |
|
325 { |
|
326 if (want_pub) |
|
327 sigkey = load_pubkey(bio_err, keyfile, keyform, 0, NULL, |
|
328 e, "key file"); |
|
329 else |
|
330 sigkey = load_key(bio_err, keyfile, keyform, 0, passin, |
|
331 e, "key file"); |
|
332 if (!sigkey) |
|
333 { |
|
334 /* load_[pub]key() has already printed an appropriate |
|
335 message */ |
|
336 goto end; |
|
337 } |
|
338 } |
|
339 |
|
340 if(sigfile && sigkey) { |
|
341 BIO *sigbio; |
|
342 sigbio = BIO_new_file(sigfile, "rb"); |
|
343 siglen = EVP_PKEY_size(sigkey); |
|
344 sigbuf = OPENSSL_malloc(siglen); |
|
345 if(!sigbio) { |
|
346 BIO_printf(bio_err, "Error opening signature file %s\n", |
|
347 sigfile); |
|
348 ERR_print_errors(bio_err); |
|
349 goto end; |
|
350 } |
|
351 siglen = BIO_read(sigbio, sigbuf, siglen); |
|
352 BIO_free(sigbio); |
|
353 if(siglen <= 0) { |
|
354 BIO_printf(bio_err, "Error reading signature file %s\n", |
|
355 sigfile); |
|
356 ERR_print_errors(bio_err); |
|
357 goto end; |
|
358 } |
|
359 } |
|
360 |
|
361 |
|
362 |
|
363 /* we use md as a filter, reading from 'in' */ |
|
364 if (!BIO_set_md(bmd,md)) |
|
365 { |
|
366 BIO_printf(bio_err, "Error setting digest %s\n", pname); |
|
367 ERR_print_errors(bio_err); |
|
368 goto end; |
|
369 } |
|
370 |
|
371 inp=BIO_push(bmd,in); |
|
372 |
|
373 if (argc == 0) |
|
374 { |
|
375 |
|
376 BIO_set_fp(in,stdin,BIO_NOCLOSE); |
|
377 err=do_fp(out, buf,inp,separator, out_bin, sigkey, sigbuf, |
|
378 siglen,"","(stdin)",bmd,hmac_key); |
|
379 } |
|
380 else |
|
381 { |
|
382 name=OBJ_nid2sn(md->type); |
|
383 for (i=0; i<argc; i++) |
|
384 { |
|
385 char *tmp,*tofree=NULL; |
|
386 int r; |
|
387 |
|
388 if (BIO_read_filename(in,argv[i]) <= 0) |
|
389 { |
|
390 perror(argv[i]); |
|
391 err++; |
|
392 continue; |
|
393 } |
|
394 if(!out_bin) |
|
395 { |
|
396 size_t len = strlen(name)+strlen(argv[i])+(hmac_key ? 5 : 0)+5; |
|
397 tmp=tofree=OPENSSL_malloc(len); |
|
398 BIO_snprintf(tmp,len,"%s%s(%s)= ", |
|
399 hmac_key ? "HMAC-" : "",name,argv[i]); |
|
400 } |
|
401 else |
|
402 tmp=""; |
|
403 r=do_fp(out,buf,inp,separator,out_bin,sigkey,sigbuf, |
|
404 siglen,tmp,argv[i],bmd,hmac_key); |
|
405 if(r) |
|
406 err=r; |
|
407 if(tofree) |
|
408 OPENSSL_free(tofree); |
|
409 (void)BIO_reset(bmd); |
|
410 } |
|
411 } |
|
412 end: |
|
413 if (buf != NULL) |
|
414 { |
|
415 OPENSSL_cleanse(buf,BUFSIZE); |
|
416 OPENSSL_free(buf); |
|
417 } |
|
418 if (in != NULL) BIO_free(in); |
|
419 if (passin) |
|
420 OPENSSL_free(passin); |
|
421 BIO_free_all(out); |
|
422 EVP_PKEY_free(sigkey); |
|
423 if(sigbuf) OPENSSL_free(sigbuf); |
|
424 if (bmd != NULL) BIO_free(bmd); |
|
425 apps_shutdown(); |
|
426 OPENSSL_EXIT(err); |
|
427 } |
|
428 |
|
429 int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout, |
|
430 EVP_PKEY *key, unsigned char *sigin, int siglen, const char *title, |
|
431 const char *file,BIO *bmd,const char *hmac_key) |
|
432 { |
|
433 unsigned int len; |
|
434 int i; |
|
435 EVP_MD_CTX *md_ctx; |
|
436 HMAC_CTX hmac_ctx; |
|
437 |
|
438 if (hmac_key) |
|
439 { |
|
440 EVP_MD *md; |
|
441 |
|
442 BIO_get_md(bmd,&md); |
|
443 HMAC_CTX_init(&hmac_ctx); |
|
444 HMAC_Init_ex(&hmac_ctx,hmac_key,strlen(hmac_key),md, NULL); |
|
445 BIO_get_md_ctx(bmd,&md_ctx); |
|
446 BIO_set_md_ctx(bmd,&hmac_ctx.md_ctx); |
|
447 } |
|
448 for (;;) |
|
449 { |
|
450 i=BIO_read(bp,(char *)buf,BUFSIZE); |
|
451 if(i < 0) |
|
452 { |
|
453 BIO_printf(bio_err, "Read Error in %s\n",file); |
|
454 ERR_print_errors(bio_err); |
|
455 return 1; |
|
456 } |
|
457 if (i == 0) break; |
|
458 } |
|
459 if(sigin) |
|
460 { |
|
461 EVP_MD_CTX *ctx; |
|
462 BIO_get_md_ctx(bp, &ctx); |
|
463 i = EVP_VerifyFinal(ctx, sigin, (unsigned int)siglen, key); |
|
464 if(i > 0) |
|
465 BIO_printf(out, "Verified OK\n"); |
|
466 else if(i == 0) |
|
467 { |
|
468 BIO_printf(out, "Verification Failure\n"); |
|
469 return 1; |
|
470 } |
|
471 else |
|
472 { |
|
473 BIO_printf(bio_err, "Error Verifying Data\n"); |
|
474 ERR_print_errors(bio_err); |
|
475 return 1; |
|
476 } |
|
477 return 0; |
|
478 } |
|
479 if(key) |
|
480 { |
|
481 EVP_MD_CTX *ctx; |
|
482 BIO_get_md_ctx(bp, &ctx); |
|
483 if(!EVP_SignFinal(ctx, buf, (unsigned int *)&len, key)) |
|
484 { |
|
485 BIO_printf(bio_err, "Error Signing Data\n"); |
|
486 ERR_print_errors(bio_err); |
|
487 return 1; |
|
488 } |
|
489 } |
|
490 else if(hmac_key) |
|
491 { |
|
492 HMAC_Final(&hmac_ctx,buf,&len); |
|
493 HMAC_CTX_cleanup(&hmac_ctx); |
|
494 } |
|
495 else |
|
496 len=BIO_gets(bp,(char *)buf,BUFSIZE); |
|
497 |
|
498 if(binout) BIO_write(out, buf, len); |
|
499 else |
|
500 { |
|
501 BIO_write(out,title,strlen(title)); |
|
502 for (i=0; i<(int)len; i++) |
|
503 { |
|
504 if (sep && (i != 0)) |
|
505 BIO_printf(out, ":"); |
|
506 BIO_printf(out, "%02x",buf[i]); |
|
507 } |
|
508 BIO_printf(out, "\n"); |
|
509 } |
|
510 if (hmac_key) |
|
511 { |
|
512 BIO_set_md_ctx(bmd,md_ctx); |
|
513 } |
|
514 return 0; |
|
515 } |
|
516 |