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Side by Side Diff: openssl/apps/pkeyutl.c

Issue 2072073002: Delete bundled copy of OpenSSL and replace with README. (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master
Patch Set: Delete bundled copy of OpenSSL and replace with README. Created 4 years, 6 months ago
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1 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
2 * project 2006.
3 */
4 /* ====================================================================
5 * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 *
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
17 * distribution.
18 *
19 * 3. All advertising materials mentioning features or use of this
20 * software must display the following acknowledgment:
21 * "This product includes software developed by the OpenSSL Project
22 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
23 *
24 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
25 * endorse or promote products derived from this software without
26 * prior written permission. For written permission, please contact
27 * licensing@OpenSSL.org.
28 *
29 * 5. Products derived from this software may not be called "OpenSSL"
30 * nor may "OpenSSL" appear in their names without prior written
31 * permission of the OpenSSL Project.
32 *
33 * 6. Redistributions of any form whatsoever must retain the following
34 * acknowledgment:
35 * "This product includes software developed by the OpenSSL Project
36 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
37 *
38 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
39 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
40 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
41 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
42 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
43 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
44 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
45 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
46 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
47 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
48 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
49 * OF THE POSSIBILITY OF SUCH DAMAGE.
50 * ====================================================================
51 *
52 * This product includes cryptographic software written by Eric Young
53 * (eay@cryptsoft.com). This product includes software written by Tim
54 * Hudson (tjh@cryptsoft.com).
55 *
56 */
57
58
59 #include "apps.h"
60 #include <string.h>
61 #include <openssl/err.h>
62 #include <openssl/pem.h>
63 #include <openssl/evp.h>
64
65 #define KEY_PRIVKEY 1
66 #define KEY_PUBKEY 2
67 #define KEY_CERT 3
68
69 static void usage(void);
70
71 #undef PROG
72
73 #define PROG pkeyutl_main
74
75 static EVP_PKEY_CTX *init_ctx(int *pkeysize,
76 char *keyfile, int keyform, int key_type,
77 char *passargin, int pkey_op, ENGINE *e);
78
79 static int setup_peer(BIO *err, EVP_PKEY_CTX *ctx, int peerform,
80 const char *file);
81
82 static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op,
83 unsigned char *out, size_t *poutlen,
84 unsigned char *in, size_t inlen);
85
86 int MAIN(int argc, char **);
87
88 int MAIN(int argc, char **argv)
89 {
90 BIO *in = NULL, *out = NULL;
91 char *infile = NULL, *outfile = NULL, *sigfile = NULL;
92 ENGINE *e = NULL;
93 int pkey_op = EVP_PKEY_OP_SIGN, key_type = KEY_PRIVKEY;
94 int keyform = FORMAT_PEM, peerform = FORMAT_PEM;
95 char badarg = 0, rev = 0;
96 char hexdump = 0, asn1parse = 0;
97 EVP_PKEY_CTX *ctx = NULL;
98 char *passargin = NULL;
99 int keysize = -1;
100
101 unsigned char *buf_in = NULL, *buf_out = NULL, *sig = NULL;
102 size_t buf_outlen;
103 int buf_inlen = 0, siglen = -1;
104
105 int ret = 1, rv = -1;
106
107 argc--;
108 argv++;
109
110 if(!bio_err) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
111
112 if (!load_config(bio_err, NULL))
113 goto end;
114 ERR_load_crypto_strings();
115 OpenSSL_add_all_algorithms();
116
117 while(argc >= 1)
118 {
119 if (!strcmp(*argv,"-in"))
120 {
121 if (--argc < 1) badarg = 1;
122 else infile= *(++argv);
123 }
124 else if (!strcmp(*argv,"-out"))
125 {
126 if (--argc < 1) badarg = 1;
127 else outfile= *(++argv);
128 }
129 else if (!strcmp(*argv,"-sigfile"))
130 {
131 if (--argc < 1) badarg = 1;
132 else sigfile= *(++argv);
133 }
134 else if(!strcmp(*argv, "-inkey"))
135 {
136 if (--argc < 1)
137 badarg = 1;
138 else
139 {
140 ctx = init_ctx(&keysize,
141 *(++argv), keyform, key_type,
142 passargin, pkey_op, e);
143 if (!ctx)
144 {
145 BIO_puts(bio_err,
146 "Error initializing context\n");
147 ERR_print_errors(bio_err);
148 badarg = 1;
149 }
150 }
151 }
152 else if (!strcmp(*argv,"-peerkey"))
153 {
154 if (--argc < 1)
155 badarg = 1;
156 else if (!setup_peer(bio_err, ctx, peerform, *(++argv)))
157 badarg = 1;
158 }
159 else if (!strcmp(*argv,"-passin"))
160 {
161 if (--argc < 1) badarg = 1;
162 else passargin= *(++argv);
163 }
164 else if (strcmp(*argv,"-peerform") == 0)
165 {
166 if (--argc < 1) badarg = 1;
167 else peerform=str2fmt(*(++argv));
168 }
169 else if (strcmp(*argv,"-keyform") == 0)
170 {
171 if (--argc < 1) badarg = 1;
172 else keyform=str2fmt(*(++argv));
173 }
174 #ifndef OPENSSL_NO_ENGINE
175 else if(!strcmp(*argv, "-engine"))
176 {
177 if (--argc < 1)
178 badarg = 1;
179 else
180 e = setup_engine(bio_err, *(++argv), 0);
181 }
182 #endif
183 else if(!strcmp(*argv, "-pubin"))
184 key_type = KEY_PUBKEY;
185 else if(!strcmp(*argv, "-certin"))
186 key_type = KEY_CERT;
187 else if(!strcmp(*argv, "-asn1parse"))
188 asn1parse = 1;
189 else if(!strcmp(*argv, "-hexdump"))
190 hexdump = 1;
191 else if(!strcmp(*argv, "-sign"))
192 pkey_op = EVP_PKEY_OP_SIGN;
193 else if(!strcmp(*argv, "-verify"))
194 pkey_op = EVP_PKEY_OP_VERIFY;
195 else if(!strcmp(*argv, "-verifyrecover"))
196 pkey_op = EVP_PKEY_OP_VERIFYRECOVER;
197 else if(!strcmp(*argv, "-rev"))
198 rev = 1;
199 else if(!strcmp(*argv, "-encrypt"))
200 pkey_op = EVP_PKEY_OP_ENCRYPT;
201 else if(!strcmp(*argv, "-decrypt"))
202 pkey_op = EVP_PKEY_OP_DECRYPT;
203 else if(!strcmp(*argv, "-derive"))
204 pkey_op = EVP_PKEY_OP_DERIVE;
205 else if (strcmp(*argv,"-pkeyopt") == 0)
206 {
207 if (--argc < 1)
208 badarg = 1;
209 else if (!ctx)
210 {
211 BIO_puts(bio_err,
212 "-pkeyopt command before -inkey\n");
213 badarg = 1;
214 }
215 else if (pkey_ctrl_string(ctx, *(++argv)) <= 0)
216 {
217 BIO_puts(bio_err, "parameter setting error\n");
218 ERR_print_errors(bio_err);
219 goto end;
220 }
221 }
222 else badarg = 1;
223 if(badarg)
224 {
225 usage();
226 goto end;
227 }
228 argc--;
229 argv++;
230 }
231
232 if (!ctx)
233 {
234 usage();
235 goto end;
236 }
237
238 if (sigfile && (pkey_op != EVP_PKEY_OP_VERIFY))
239 {
240 BIO_puts(bio_err, "Signature file specified for non verify\n");
241 goto end;
242 }
243
244 if (!sigfile && (pkey_op == EVP_PKEY_OP_VERIFY))
245 {
246 BIO_puts(bio_err, "No signature file specified for verify\n");
247 goto end;
248 }
249
250 /* FIXME: seed PRNG only if needed */
251 app_RAND_load_file(NULL, bio_err, 0);
252
253 if (pkey_op != EVP_PKEY_OP_DERIVE)
254 {
255 if(infile)
256 {
257 if(!(in = BIO_new_file(infile, "rb")))
258 {
259 BIO_puts(bio_err,
260 "Error Opening Input File\n");
261 ERR_print_errors(bio_err);
262 goto end;
263 }
264 }
265 else
266 in = BIO_new_fp(stdin, BIO_NOCLOSE);
267 }
268
269 if(outfile)
270 {
271 if(!(out = BIO_new_file(outfile, "wb")))
272 {
273 BIO_printf(bio_err, "Error Creating Output File\n");
274 ERR_print_errors(bio_err);
275 goto end;
276 }
277 }
278 else
279 {
280 out = BIO_new_fp(stdout, BIO_NOCLOSE);
281 #ifdef OPENSSL_SYS_VMS
282 {
283 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
284 out = BIO_push(tmpbio, out);
285 }
286 #endif
287 }
288
289 if (sigfile)
290 {
291 BIO *sigbio = BIO_new_file(sigfile, "rb");
292 if (!sigbio)
293 {
294 BIO_printf(bio_err, "Can't open signature file %s\n",
295 sigfile);
296 goto end;
297 }
298 siglen = bio_to_mem(&sig, keysize * 10, sigbio);
299 BIO_free(sigbio);
300 if (siglen <= 0)
301 {
302 BIO_printf(bio_err, "Error reading signature data\n");
303 goto end;
304 }
305 }
306
307 if (in)
308 {
309 /* Read the input data */
310 buf_inlen = bio_to_mem(&buf_in, keysize * 10, in);
311 if(buf_inlen <= 0)
312 {
313 BIO_printf(bio_err, "Error reading input Data\n");
314 exit(1);
315 }
316 if(rev)
317 {
318 size_t i;
319 unsigned char ctmp;
320 size_t l = (size_t)buf_inlen;
321 for(i = 0; i < l/2; i++)
322 {
323 ctmp = buf_in[i];
324 buf_in[i] = buf_in[l - 1 - i];
325 buf_in[l - 1 - i] = ctmp;
326 }
327 }
328 }
329
330 if(pkey_op == EVP_PKEY_OP_VERIFY)
331 {
332 rv = EVP_PKEY_verify(ctx, sig, (size_t)siglen,
333 buf_in, (size_t)buf_inlen);
334 if (rv == 0)
335 BIO_puts(out, "Signature Verification Failure\n");
336 else if (rv == 1)
337 BIO_puts(out, "Signature Verified Successfully\n");
338 if (rv >= 0)
339 goto end;
340 }
341 else
342 {
343 rv = do_keyop(ctx, pkey_op, NULL, (size_t *)&buf_outlen,
344 buf_in, (size_t)buf_inlen);
345 if (rv > 0)
346 {
347 buf_out = OPENSSL_malloc(buf_outlen);
348 if (!buf_out)
349 rv = -1;
350 else
351 rv = do_keyop(ctx, pkey_op,
352 buf_out, (size_t *)&buf_outlen,
353 buf_in, (size_t)buf_inlen);
354 }
355 }
356
357 if(rv <= 0)
358 {
359 BIO_printf(bio_err, "Public Key operation error\n");
360 ERR_print_errors(bio_err);
361 goto end;
362 }
363 ret = 0;
364 if(asn1parse)
365 {
366 if(!ASN1_parse_dump(out, buf_out, buf_outlen, 1, -1))
367 ERR_print_errors(bio_err);
368 }
369 else if(hexdump)
370 BIO_dump(out, (char *)buf_out, buf_outlen);
371 else
372 BIO_write(out, buf_out, buf_outlen);
373
374 end:
375 if (ctx)
376 EVP_PKEY_CTX_free(ctx);
377 BIO_free(in);
378 BIO_free_all(out);
379 if (buf_in)
380 OPENSSL_free(buf_in);
381 if (buf_out)
382 OPENSSL_free(buf_out);
383 if (sig)
384 OPENSSL_free(sig);
385 return ret;
386 }
387
388 static void usage()
389 {
390 BIO_printf(bio_err, "Usage: pkeyutl [options]\n");
391 BIO_printf(bio_err, "-in file input file\n");
392 BIO_printf(bio_err, "-out file output file\n");
393 BIO_printf(bio_err, "-sigfile file signature file (verify operation only )\n");
394 BIO_printf(bio_err, "-inkey file input key\n");
395 BIO_printf(bio_err, "-keyform arg private key format - default PEM\n" );
396 BIO_printf(bio_err, "-pubin input is a public key\n");
397 BIO_printf(bio_err, "-certin input is a certificate carrying a p ublic key\n");
398 BIO_printf(bio_err, "-pkeyopt X:Y public key options\n");
399 BIO_printf(bio_err, "-sign sign with private key\n");
400 BIO_printf(bio_err, "-verify verify with public key\n");
401 BIO_printf(bio_err, "-verifyrecover verify with public key, recover ori ginal data\n");
402 BIO_printf(bio_err, "-encrypt encrypt with public key\n");
403 BIO_printf(bio_err, "-decrypt decrypt with private key\n");
404 BIO_printf(bio_err, "-derive derive shared secret\n");
405 BIO_printf(bio_err, "-hexdump hex dump output\n");
406 #ifndef OPENSSL_NO_ENGINE
407 BIO_printf(bio_err, "-engine e use engine e, possibly a hardware d evice.\n");
408 #endif
409 BIO_printf(bio_err, "-passin arg pass phrase source\n");
410
411 }
412
413 static EVP_PKEY_CTX *init_ctx(int *pkeysize,
414 char *keyfile, int keyform, int key_type,
415 char *passargin, int pkey_op, ENGINE *e)
416 {
417 EVP_PKEY *pkey = NULL;
418 EVP_PKEY_CTX *ctx = NULL;
419 char *passin = NULL;
420 int rv = -1;
421 X509 *x;
422 if(((pkey_op == EVP_PKEY_OP_SIGN) || (pkey_op == EVP_PKEY_OP_DECRYPT)
423 || (pkey_op == EVP_PKEY_OP_DERIVE))
424 && (key_type != KEY_PRIVKEY))
425 {
426 BIO_printf(bio_err, "A private key is needed for this operation\ n");
427 goto end;
428 }
429 if(!app_passwd(bio_err, passargin, NULL, &passin, NULL))
430 {
431 BIO_printf(bio_err, "Error getting password\n");
432 goto end;
433 }
434 switch(key_type)
435 {
436 case KEY_PRIVKEY:
437 pkey = load_key(bio_err, keyfile, keyform, 0,
438 passin, e, "Private Key");
439 break;
440
441 case KEY_PUBKEY:
442 pkey = load_pubkey(bio_err, keyfile, keyform, 0,
443 NULL, e, "Public Key");
444 break;
445
446 case KEY_CERT:
447 x = load_cert(bio_err, keyfile, keyform,
448 NULL, e, "Certificate");
449 if(x)
450 {
451 pkey = X509_get_pubkey(x);
452 X509_free(x);
453 }
454 break;
455
456 }
457
458 *pkeysize = EVP_PKEY_size(pkey);
459
460 if (!pkey)
461 goto end;
462
463 ctx = EVP_PKEY_CTX_new(pkey, e);
464
465 EVP_PKEY_free(pkey);
466
467 if (!ctx)
468 goto end;
469
470 switch(pkey_op)
471 {
472 case EVP_PKEY_OP_SIGN:
473 rv = EVP_PKEY_sign_init(ctx);
474 break;
475
476 case EVP_PKEY_OP_VERIFY:
477 rv = EVP_PKEY_verify_init(ctx);
478 break;
479
480 case EVP_PKEY_OP_VERIFYRECOVER:
481 rv = EVP_PKEY_verify_recover_init(ctx);
482 break;
483
484 case EVP_PKEY_OP_ENCRYPT:
485 rv = EVP_PKEY_encrypt_init(ctx);
486 break;
487
488 case EVP_PKEY_OP_DECRYPT:
489 rv = EVP_PKEY_decrypt_init(ctx);
490 break;
491
492 case EVP_PKEY_OP_DERIVE:
493 rv = EVP_PKEY_derive_init(ctx);
494 break;
495 }
496
497 if (rv <= 0)
498 {
499 EVP_PKEY_CTX_free(ctx);
500 ctx = NULL;
501 }
502
503 end:
504
505 if (passin)
506 OPENSSL_free(passin);
507
508 return ctx;
509
510
511 }
512
513 static int setup_peer(BIO *err, EVP_PKEY_CTX *ctx, int peerform,
514 const char *file)
515 {
516 EVP_PKEY *peer = NULL;
517 int ret;
518 if (!ctx)
519 {
520 BIO_puts(err, "-peerkey command before -inkey\n");
521 return 0;
522 }
523
524 peer = load_pubkey(bio_err, file, peerform, 0, NULL, NULL, "Peer Key");
525
526 if (!peer)
527 {
528 BIO_printf(bio_err, "Error reading peer key %s\n", file);
529 ERR_print_errors(err);
530 return 0;
531 }
532
533 ret = EVP_PKEY_derive_set_peer(ctx, peer);
534
535 EVP_PKEY_free(peer);
536 if (ret <= 0)
537 ERR_print_errors(err);
538 return ret;
539 }
540
541 static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op,
542 unsigned char *out, size_t *poutlen,
543 unsigned char *in, size_t inlen)
544 {
545 int rv = 0;
546 switch(pkey_op)
547 {
548 case EVP_PKEY_OP_VERIFYRECOVER:
549 rv = EVP_PKEY_verify_recover(ctx, out, poutlen, in, inlen);
550 break;
551
552 case EVP_PKEY_OP_SIGN:
553 rv = EVP_PKEY_sign(ctx, out, poutlen, in, inlen);
554 break;
555
556 case EVP_PKEY_OP_ENCRYPT:
557 rv = EVP_PKEY_encrypt(ctx, out, poutlen, in, inlen);
558 break;
559
560 case EVP_PKEY_OP_DECRYPT:
561 rv = EVP_PKEY_decrypt(ctx, out, poutlen, in, inlen);
562 break;
563
564 case EVP_PKEY_OP_DERIVE:
565 rv = EVP_PKEY_derive(ctx, out, poutlen);
566 break;
567
568 }
569 return rv;
570 }
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