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Diffstat (limited to 'src/usr.bin/openssl/pkeyutl.c')
-rw-r--r--src/usr.bin/openssl/pkeyutl.c503
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diff --git a/src/usr.bin/openssl/pkeyutl.c b/src/usr.bin/openssl/pkeyutl.c
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1/* $OpenBSD: pkeyutl.c,v 1.1 2014/08/26 17:47:25 jsing Exp $ */
2/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project 2006.
4 */
5/* ====================================================================
6 * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
59#include <string.h>
60
61#include "apps.h"
62
63#include <openssl/err.h>
64#include <openssl/evp.h>
65#include <openssl/pem.h>
66
67#define KEY_PRIVKEY 1
68#define KEY_PUBKEY 2
69#define KEY_CERT 3
70
71static void usage(void);
72
73static EVP_PKEY_CTX *init_ctx(int *pkeysize,
74 char *keyfile, int keyform, int key_type,
75 char *passargin, int pkey_op, ENGINE * e);
76
77static int setup_peer(BIO * err, EVP_PKEY_CTX * ctx, int peerform,
78 const char *file);
79
80static int do_keyop(EVP_PKEY_CTX * ctx, int pkey_op,
81 unsigned char *out, size_t * poutlen,
82 unsigned char *in, size_t inlen);
83
84int pkeyutl_main(int argc, char **);
85
86int
87pkeyutl_main(int argc, char **argv)
88{
89 BIO *in = NULL, *out = NULL;
90 char *infile = NULL, *outfile = NULL, *sigfile = NULL;
91 ENGINE *e = NULL;
92 int pkey_op = EVP_PKEY_OP_SIGN, key_type = KEY_PRIVKEY;
93 int keyform = FORMAT_PEM, peerform = FORMAT_PEM;
94 char badarg = 0, rev = 0;
95 char hexdump = 0, asn1parse = 0;
96 EVP_PKEY_CTX *ctx = NULL;
97 char *passargin = NULL;
98 int keysize = -1;
99
100 unsigned char *buf_in = NULL, *buf_out = NULL, *sig = NULL;
101 size_t buf_outlen;
102 int buf_inlen = 0, siglen = -1;
103
104 int ret = 1, rv = -1;
105
106 argc--;
107 argv++;
108
109 ERR_load_crypto_strings();
110 OpenSSL_add_all_algorithms();
111
112 while (argc >= 1) {
113 if (!strcmp(*argv, "-in")) {
114 if (--argc < 1)
115 badarg = 1;
116 else
117 infile = *(++argv);
118 } else if (!strcmp(*argv, "-out")) {
119 if (--argc < 1)
120 badarg = 1;
121 else
122 outfile = *(++argv);
123 } else if (!strcmp(*argv, "-sigfile")) {
124 if (--argc < 1)
125 badarg = 1;
126 else
127 sigfile = *(++argv);
128 } else if (!strcmp(*argv, "-inkey")) {
129 if (--argc < 1)
130 badarg = 1;
131 else {
132 ctx = init_ctx(&keysize,
133 *(++argv), keyform, key_type,
134 passargin, pkey_op, e);
135 if (!ctx) {
136 BIO_puts(bio_err,
137 "Error initializing context\n");
138 ERR_print_errors(bio_err);
139 badarg = 1;
140 }
141 }
142 } else if (!strcmp(*argv, "-peerkey")) {
143 if (--argc < 1)
144 badarg = 1;
145 else if (!setup_peer(bio_err, ctx, peerform, *(++argv)))
146 badarg = 1;
147 } else if (!strcmp(*argv, "-passin")) {
148 if (--argc < 1)
149 badarg = 1;
150 else
151 passargin = *(++argv);
152 } else if (strcmp(*argv, "-peerform") == 0) {
153 if (--argc < 1)
154 badarg = 1;
155 else
156 peerform = str2fmt(*(++argv));
157 } else if (strcmp(*argv, "-keyform") == 0) {
158 if (--argc < 1)
159 badarg = 1;
160 else
161 keyform = str2fmt(*(++argv));
162 }
163#ifndef OPENSSL_NO_ENGINE
164 else if (!strcmp(*argv, "-engine")) {
165 if (--argc < 1)
166 badarg = 1;
167 else
168 e = setup_engine(bio_err, *(++argv), 0);
169 }
170#endif
171 else if (!strcmp(*argv, "-pubin"))
172 key_type = KEY_PUBKEY;
173 else if (!strcmp(*argv, "-certin"))
174 key_type = KEY_CERT;
175 else if (!strcmp(*argv, "-asn1parse"))
176 asn1parse = 1;
177 else if (!strcmp(*argv, "-hexdump"))
178 hexdump = 1;
179 else if (!strcmp(*argv, "-sign"))
180 pkey_op = EVP_PKEY_OP_SIGN;
181 else if (!strcmp(*argv, "-verify"))
182 pkey_op = EVP_PKEY_OP_VERIFY;
183 else if (!strcmp(*argv, "-verifyrecover"))
184 pkey_op = EVP_PKEY_OP_VERIFYRECOVER;
185 else if (!strcmp(*argv, "-rev"))
186 rev = 1;
187 else if (!strcmp(*argv, "-encrypt"))
188 pkey_op = EVP_PKEY_OP_ENCRYPT;
189 else if (!strcmp(*argv, "-decrypt"))
190 pkey_op = EVP_PKEY_OP_DECRYPT;
191 else if (!strcmp(*argv, "-derive"))
192 pkey_op = EVP_PKEY_OP_DERIVE;
193 else if (strcmp(*argv, "-pkeyopt") == 0) {
194 if (--argc < 1)
195 badarg = 1;
196 else if (!ctx) {
197 BIO_puts(bio_err,
198 "-pkeyopt command before -inkey\n");
199 badarg = 1;
200 } else if (pkey_ctrl_string(ctx, *(++argv)) <= 0) {
201 BIO_puts(bio_err, "parameter setting error\n");
202 ERR_print_errors(bio_err);
203 goto end;
204 }
205 } else
206 badarg = 1;
207 if (badarg) {
208 usage();
209 goto end;
210 }
211 argc--;
212 argv++;
213 }
214
215 if (!ctx) {
216 usage();
217 goto end;
218 }
219 if (sigfile && (pkey_op != EVP_PKEY_OP_VERIFY)) {
220 BIO_puts(bio_err, "Signature file specified for non verify\n");
221 goto end;
222 }
223 if (!sigfile && (pkey_op == EVP_PKEY_OP_VERIFY)) {
224 BIO_puts(bio_err, "No signature file specified for verify\n");
225 goto end;
226 }
227
228 if (pkey_op != EVP_PKEY_OP_DERIVE) {
229 if (infile) {
230 if (!(in = BIO_new_file(infile, "rb"))) {
231 BIO_puts(bio_err,
232 "Error Opening Input File\n");
233 ERR_print_errors(bio_err);
234 goto end;
235 }
236 } else
237 in = BIO_new_fp(stdin, BIO_NOCLOSE);
238 }
239 if (outfile) {
240 if (!(out = BIO_new_file(outfile, "wb"))) {
241 BIO_printf(bio_err, "Error Creating Output File\n");
242 ERR_print_errors(bio_err);
243 goto end;
244 }
245 } else {
246 out = BIO_new_fp(stdout, BIO_NOCLOSE);
247 }
248
249 if (sigfile) {
250 BIO *sigbio = BIO_new_file(sigfile, "rb");
251 if (!sigbio) {
252 BIO_printf(bio_err, "Can't open signature file %s\n",
253 sigfile);
254 goto end;
255 }
256 siglen = bio_to_mem(&sig, keysize * 10, sigbio);
257 BIO_free(sigbio);
258 if (siglen <= 0) {
259 BIO_printf(bio_err, "Error reading signature data\n");
260 goto end;
261 }
262 }
263 if (in) {
264 /* Read the input data */
265 buf_inlen = bio_to_mem(&buf_in, keysize * 10, in);
266 if (buf_inlen <= 0) {
267 BIO_printf(bio_err, "Error reading input Data\n");
268 exit(1);
269 }
270 if (rev) {
271 size_t i;
272 unsigned char ctmp;
273 size_t l = (size_t) buf_inlen;
274 for (i = 0; i < l / 2; i++) {
275 ctmp = buf_in[i];
276 buf_in[i] = buf_in[l - 1 - i];
277 buf_in[l - 1 - i] = ctmp;
278 }
279 }
280 }
281 if (pkey_op == EVP_PKEY_OP_VERIFY) {
282 rv = EVP_PKEY_verify(ctx, sig, (size_t) siglen,
283 buf_in, (size_t) buf_inlen);
284 if (rv == 0)
285 BIO_puts(out, "Signature Verification Failure\n");
286 else if (rv == 1)
287 BIO_puts(out, "Signature Verified Successfully\n");
288 if (rv >= 0)
289 goto end;
290 } else {
291 rv = do_keyop(ctx, pkey_op, NULL, (size_t *) & buf_outlen,
292 buf_in, (size_t) buf_inlen);
293 if (rv > 0) {
294 buf_out = malloc(buf_outlen);
295 if (!buf_out)
296 rv = -1;
297 else
298 rv = do_keyop(ctx, pkey_op,
299 buf_out, (size_t *) & buf_outlen,
300 buf_in, (size_t) buf_inlen);
301 }
302 }
303
304 if (rv <= 0) {
305 BIO_printf(bio_err, "Public Key operation error\n");
306 ERR_print_errors(bio_err);
307 goto end;
308 }
309 ret = 0;
310 if (asn1parse) {
311 if (!ASN1_parse_dump(out, buf_out, buf_outlen, 1, -1))
312 ERR_print_errors(bio_err);
313 } else if (hexdump)
314 BIO_dump(out, (char *) buf_out, buf_outlen);
315 else
316 BIO_write(out, buf_out, buf_outlen);
317
318end:
319 if (ctx)
320 EVP_PKEY_CTX_free(ctx);
321 BIO_free(in);
322 BIO_free_all(out);
323 free(buf_in);
324 free(buf_out);
325 free(sig);
326
327 return ret;
328}
329
330static void
331usage()
332{
333 BIO_printf(bio_err, "Usage: pkeyutl [options]\n");
334 BIO_printf(bio_err, "-in file input file\n");
335 BIO_printf(bio_err, "-out file output file\n");
336 BIO_printf(bio_err, "-sigfile file signature file (verify operation only)\n");
337 BIO_printf(bio_err, "-inkey file input key\n");
338 BIO_printf(bio_err, "-keyform arg private key format - default PEM\n");
339 BIO_printf(bio_err, "-pubin input is a public key\n");
340 BIO_printf(bio_err, "-certin input is a certificate carrying a public key\n");
341 BIO_printf(bio_err, "-pkeyopt X:Y public key options\n");
342 BIO_printf(bio_err, "-sign sign with private key\n");
343 BIO_printf(bio_err, "-verify verify with public key\n");
344 BIO_printf(bio_err, "-verifyrecover verify with public key, recover original data\n");
345 BIO_printf(bio_err, "-encrypt encrypt with public key\n");
346 BIO_printf(bio_err, "-decrypt decrypt with private key\n");
347 BIO_printf(bio_err, "-derive derive shared secret\n");
348 BIO_printf(bio_err, "-hexdump hex dump output\n");
349#ifndef OPENSSL_NO_ENGINE
350 BIO_printf(bio_err, "-engine e use engine e, possibly a hardware device.\n");
351#endif
352 BIO_printf(bio_err, "-passin arg pass phrase source\n");
353
354}
355
356static EVP_PKEY_CTX *
357init_ctx(int *pkeysize,
358 char *keyfile, int keyform, int key_type,
359 char *passargin, int pkey_op, ENGINE * e)
360{
361 EVP_PKEY *pkey = NULL;
362 EVP_PKEY_CTX *ctx = NULL;
363 char *passin = NULL;
364 int rv = -1;
365 X509 *x;
366 if (((pkey_op == EVP_PKEY_OP_SIGN) || (pkey_op == EVP_PKEY_OP_DECRYPT)
367 || (pkey_op == EVP_PKEY_OP_DERIVE))
368 && (key_type != KEY_PRIVKEY)) {
369 BIO_printf(bio_err, "A private key is needed for this operation\n");
370 goto end;
371 }
372 if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
373 BIO_printf(bio_err, "Error getting password\n");
374 goto end;
375 }
376 switch (key_type) {
377 case KEY_PRIVKEY:
378 pkey = load_key(bio_err, keyfile, keyform, 0,
379 passin, e, "Private Key");
380 break;
381
382 case KEY_PUBKEY:
383 pkey = load_pubkey(bio_err, keyfile, keyform, 0,
384 NULL, e, "Public Key");
385 break;
386
387 case KEY_CERT:
388 x = load_cert(bio_err, keyfile, keyform,
389 NULL, e, "Certificate");
390 if (x) {
391 pkey = X509_get_pubkey(x);
392 X509_free(x);
393 }
394 break;
395
396 }
397
398 *pkeysize = EVP_PKEY_size(pkey);
399
400 if (!pkey)
401 goto end;
402
403 ctx = EVP_PKEY_CTX_new(pkey, e);
404
405 EVP_PKEY_free(pkey);
406
407 if (!ctx)
408 goto end;
409
410 switch (pkey_op) {
411 case EVP_PKEY_OP_SIGN:
412 rv = EVP_PKEY_sign_init(ctx);
413 break;
414
415 case EVP_PKEY_OP_VERIFY:
416 rv = EVP_PKEY_verify_init(ctx);
417 break;
418
419 case EVP_PKEY_OP_VERIFYRECOVER:
420 rv = EVP_PKEY_verify_recover_init(ctx);
421 break;
422
423 case EVP_PKEY_OP_ENCRYPT:
424 rv = EVP_PKEY_encrypt_init(ctx);
425 break;
426
427 case EVP_PKEY_OP_DECRYPT:
428 rv = EVP_PKEY_decrypt_init(ctx);
429 break;
430
431 case EVP_PKEY_OP_DERIVE:
432 rv = EVP_PKEY_derive_init(ctx);
433 break;
434 }
435
436 if (rv <= 0) {
437 EVP_PKEY_CTX_free(ctx);
438 ctx = NULL;
439 }
440end:
441
442 free(passin);
443
444 return ctx;
445
446
447}
448
449static int
450setup_peer(BIO * err, EVP_PKEY_CTX * ctx, int peerform,
451 const char *file)
452{
453 EVP_PKEY *peer = NULL;
454 int ret;
455 if (!ctx) {
456 BIO_puts(err, "-peerkey command before -inkey\n");
457 return 0;
458 }
459 peer = load_pubkey(bio_err, file, peerform, 0, NULL, NULL, "Peer Key");
460
461 if (!peer) {
462 BIO_printf(bio_err, "Error reading peer key %s\n", file);
463 ERR_print_errors(err);
464 return 0;
465 }
466 ret = EVP_PKEY_derive_set_peer(ctx, peer);
467
468 EVP_PKEY_free(peer);
469 if (ret <= 0)
470 ERR_print_errors(err);
471 return ret;
472}
473
474static int
475do_keyop(EVP_PKEY_CTX * ctx, int pkey_op,
476 unsigned char *out, size_t * poutlen,
477 unsigned char *in, size_t inlen)
478{
479 int rv = 0;
480 switch (pkey_op) {
481 case EVP_PKEY_OP_VERIFYRECOVER:
482 rv = EVP_PKEY_verify_recover(ctx, out, poutlen, in, inlen);
483 break;
484
485 case EVP_PKEY_OP_SIGN:
486 rv = EVP_PKEY_sign(ctx, out, poutlen, in, inlen);
487 break;
488
489 case EVP_PKEY_OP_ENCRYPT:
490 rv = EVP_PKEY_encrypt(ctx, out, poutlen, in, inlen);
491 break;
492
493 case EVP_PKEY_OP_DECRYPT:
494 rv = EVP_PKEY_decrypt(ctx, out, poutlen, in, inlen);
495 break;
496
497 case EVP_PKEY_OP_DERIVE:
498 rv = EVP_PKEY_derive(ctx, out, poutlen);
499 break;
500
501 }
502 return rv;
503}
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