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10621efd MC |
1 | /* |
2 | * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project | |
3 | * 2006. | |
9e4d0f0b DSH |
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 | |
10621efd | 13 | * notice, this list of conditions and the following disclaimer. |
9e4d0f0b DSH |
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 | ||
9e4d0f0b DSH |
59 | #include "apps.h" |
60 | #include <string.h> | |
61 | #include <openssl/err.h> | |
62 | #include <openssl/pem.h> | |
63 | #include <openssl/evp.h> | |
64 | ||
10621efd MC |
65 | #define KEY_PRIVKEY 1 |
66 | #define KEY_PUBKEY 2 | |
67 | #define KEY_CERT 3 | |
9e4d0f0b DSH |
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, | |
10621efd MC |
76 | char *keyfile, int keyform, int key_type, |
77 | char *passargin, int pkey_op, ENGINE *e); | |
ffb1ac67 DSH |
78 | |
79 | static int setup_peer(BIO *err, EVP_PKEY_CTX *ctx, int peerform, | |
10621efd | 80 | const char *file); |
9e4d0f0b | 81 | |
b010b7c4 | 82 | static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op, |
10621efd MC |
83 | unsigned char *out, size_t *poutlen, |
84 | unsigned char *in, size_t inlen); | |
b010b7c4 | 85 | |
9e4d0f0b DSH |
86 | int MAIN(int argc, char **); |
87 | ||
88 | int MAIN(int argc, char **argv) | |
89 | { | |
10621efd MC |
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) | |
111 | bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); | |
112 | ||
113 | if (!load_config(bio_err, NULL)) | |
114 | goto end; | |
115 | ERR_load_crypto_strings(); | |
116 | OpenSSL_add_all_algorithms(); | |
117 | ||
118 | while (argc >= 1) { | |
119 | if (!strcmp(*argv, "-in")) { | |
120 | if (--argc < 1) | |
121 | badarg = 1; | |
122 | else | |
123 | infile = *(++argv); | |
124 | } else if (!strcmp(*argv, "-out")) { | |
125 | if (--argc < 1) | |
126 | badarg = 1; | |
127 | else | |
128 | outfile = *(++argv); | |
129 | } else if (!strcmp(*argv, "-sigfile")) { | |
130 | if (--argc < 1) | |
131 | badarg = 1; | |
132 | else | |
133 | sigfile = *(++argv); | |
134 | } else if (!strcmp(*argv, "-inkey")) { | |
135 | if (--argc < 1) | |
136 | badarg = 1; | |
137 | else { | |
138 | ctx = init_ctx(&keysize, | |
139 | *(++argv), keyform, key_type, | |
140 | passargin, pkey_op, e); | |
141 | if (!ctx) { | |
142 | BIO_puts(bio_err, "Error initializing context\n"); | |
143 | ERR_print_errors(bio_err); | |
144 | badarg = 1; | |
145 | } | |
146 | } | |
147 | } else if (!strcmp(*argv, "-peerkey")) { | |
148 | if (--argc < 1) | |
149 | badarg = 1; | |
150 | else if (!setup_peer(bio_err, ctx, peerform, *(++argv))) | |
151 | badarg = 1; | |
152 | } else if (!strcmp(*argv, "-passin")) { | |
153 | if (--argc < 1) | |
154 | badarg = 1; | |
155 | else | |
156 | passargin = *(++argv); | |
157 | } else if (strcmp(*argv, "-peerform") == 0) { | |
158 | if (--argc < 1) | |
159 | badarg = 1; | |
160 | else | |
161 | peerform = str2fmt(*(++argv)); | |
162 | } else if (strcmp(*argv, "-keyform") == 0) { | |
163 | if (--argc < 1) | |
164 | badarg = 1; | |
165 | else | |
166 | keyform = str2fmt(*(++argv)); | |
167 | } | |
9e4d0f0b | 168 | #ifndef OPENSSL_NO_ENGINE |
10621efd MC |
169 | else if (!strcmp(*argv, "-engine")) { |
170 | if (--argc < 1) | |
171 | badarg = 1; | |
172 | else | |
173 | e = setup_engine(bio_err, *(++argv), 0); | |
174 | } | |
9e4d0f0b | 175 | #endif |
10621efd MC |
176 | else if (!strcmp(*argv, "-pubin")) |
177 | key_type = KEY_PUBKEY; | |
178 | else if (!strcmp(*argv, "-certin")) | |
179 | key_type = KEY_CERT; | |
180 | else if (!strcmp(*argv, "-asn1parse")) | |
181 | asn1parse = 1; | |
182 | else if (!strcmp(*argv, "-hexdump")) | |
183 | hexdump = 1; | |
184 | else if (!strcmp(*argv, "-sign")) | |
185 | pkey_op = EVP_PKEY_OP_SIGN; | |
186 | else if (!strcmp(*argv, "-verify")) | |
187 | pkey_op = EVP_PKEY_OP_VERIFY; | |
188 | else if (!strcmp(*argv, "-verifyrecover")) | |
189 | pkey_op = EVP_PKEY_OP_VERIFYRECOVER; | |
190 | else if (!strcmp(*argv, "-rev")) | |
191 | rev = 1; | |
192 | else if (!strcmp(*argv, "-encrypt")) | |
193 | pkey_op = EVP_PKEY_OP_ENCRYPT; | |
194 | else if (!strcmp(*argv, "-decrypt")) | |
195 | pkey_op = EVP_PKEY_OP_DECRYPT; | |
196 | else if (!strcmp(*argv, "-derive")) | |
197 | pkey_op = EVP_PKEY_OP_DERIVE; | |
198 | else if (strcmp(*argv, "-pkeyopt") == 0) { | |
199 | if (--argc < 1) | |
200 | badarg = 1; | |
201 | else if (!ctx) { | |
202 | BIO_puts(bio_err, "-pkeyopt command before -inkey\n"); | |
203 | badarg = 1; | |
204 | } else if (pkey_ctrl_string(ctx, *(++argv)) <= 0) { | |
205 | BIO_puts(bio_err, "parameter setting error\n"); | |
206 | ERR_print_errors(bio_err); | |
207 | goto end; | |
208 | } | |
209 | } else | |
210 | badarg = 1; | |
211 | if (badarg) { | |
212 | usage(); | |
213 | goto end; | |
214 | } | |
215 | argc--; | |
216 | argv++; | |
217 | } | |
218 | ||
219 | if (!ctx) { | |
220 | usage(); | |
221 | goto end; | |
222 | } | |
223 | ||
224 | if (sigfile && (pkey_op != EVP_PKEY_OP_VERIFY)) { | |
225 | BIO_puts(bio_err, "Signature file specified for non verify\n"); | |
226 | goto end; | |
227 | } | |
228 | ||
229 | if (!sigfile && (pkey_op == EVP_PKEY_OP_VERIFY)) { | |
230 | BIO_puts(bio_err, "No signature file specified for verify\n"); | |
231 | goto end; | |
232 | } | |
a9164153 | 233 | |
9e4d0f0b | 234 | /* FIXME: seed PRNG only if needed */ |
10621efd MC |
235 | app_RAND_load_file(NULL, bio_err, 0); |
236 | ||
237 | if (pkey_op != EVP_PKEY_OP_DERIVE) { | |
238 | if (infile) { | |
239 | if (!(in = BIO_new_file(infile, "rb"))) { | |
240 | BIO_puts(bio_err, "Error Opening Input File\n"); | |
241 | ERR_print_errors(bio_err); | |
242 | goto end; | |
243 | } | |
244 | } else | |
245 | in = BIO_new_fp(stdin, BIO_NOCLOSE); | |
246 | } | |
247 | ||
248 | if (outfile) { | |
249 | if (!(out = BIO_new_file(outfile, "wb"))) { | |
250 | BIO_printf(bio_err, "Error Creating Output File\n"); | |
251 | ERR_print_errors(bio_err); | |
252 | goto end; | |
253 | } | |
254 | } else { | |
255 | out = BIO_new_fp(stdout, BIO_NOCLOSE); | |
9e4d0f0b | 256 | #ifdef OPENSSL_SYS_VMS |
10621efd MC |
257 | { |
258 | BIO *tmpbio = BIO_new(BIO_f_linebuffer()); | |
259 | out = BIO_push(tmpbio, out); | |
260 | } | |
9e4d0f0b | 261 | #endif |
10621efd MC |
262 | } |
263 | ||
264 | if (sigfile) { | |
265 | BIO *sigbio = BIO_new_file(sigfile, "rb"); | |
266 | if (!sigbio) { | |
267 | BIO_printf(bio_err, "Can't open signature file %s\n", sigfile); | |
268 | goto end; | |
269 | } | |
270 | siglen = bio_to_mem(&sig, keysize * 10, sigbio); | |
271 | BIO_free(sigbio); | |
272 | if (siglen <= 0) { | |
273 | BIO_printf(bio_err, "Error reading signature data\n"); | |
274 | goto end; | |
275 | } | |
276 | } | |
277 | ||
278 | if (in) { | |
279 | /* Read the input data */ | |
280 | buf_inlen = bio_to_mem(&buf_in, keysize * 10, in); | |
281 | if (buf_inlen <= 0) { | |
282 | BIO_printf(bio_err, "Error reading input Data\n"); | |
283 | exit(1); | |
284 | } | |
285 | if (rev) { | |
286 | size_t i; | |
287 | unsigned char ctmp; | |
288 | size_t l = (size_t)buf_inlen; | |
289 | for (i = 0; i < l / 2; i++) { | |
290 | ctmp = buf_in[i]; | |
291 | buf_in[i] = buf_in[l - 1 - i]; | |
292 | buf_in[l - 1 - i] = ctmp; | |
293 | } | |
294 | } | |
295 | } | |
296 | ||
297 | if (pkey_op == EVP_PKEY_OP_VERIFY) { | |
298 | rv = EVP_PKEY_verify(ctx, sig, (size_t)siglen, | |
299 | buf_in, (size_t)buf_inlen); | |
300 | if (rv == 0) | |
301 | BIO_puts(out, "Signature Verification Failure\n"); | |
302 | else if (rv == 1) | |
303 | BIO_puts(out, "Signature Verified Successfully\n"); | |
304 | if (rv >= 0) | |
305 | goto end; | |
306 | } else { | |
307 | rv = do_keyop(ctx, pkey_op, NULL, (size_t *)&buf_outlen, | |
308 | buf_in, (size_t)buf_inlen); | |
309 | if (rv > 0) { | |
310 | buf_out = OPENSSL_malloc(buf_outlen); | |
311 | if (!buf_out) | |
312 | rv = -1; | |
313 | else | |
314 | rv = do_keyop(ctx, pkey_op, | |
315 | buf_out, (size_t *)&buf_outlen, | |
316 | buf_in, (size_t)buf_inlen); | |
317 | } | |
318 | } | |
319 | ||
320 | if (rv <= 0) { | |
321 | BIO_printf(bio_err, "Public Key operation error\n"); | |
322 | ERR_print_errors(bio_err); | |
323 | goto end; | |
324 | } | |
325 | ret = 0; | |
326 | if (asn1parse) { | |
327 | if (!ASN1_parse_dump(out, buf_out, buf_outlen, 1, -1)) | |
328 | ERR_print_errors(bio_err); | |
329 | } else if (hexdump) | |
330 | BIO_dump(out, (char *)buf_out, buf_outlen); | |
331 | else | |
332 | BIO_write(out, buf_out, buf_outlen); | |
333 | ||
334 | end: | |
335 | if (ctx) | |
336 | EVP_PKEY_CTX_free(ctx); | |
337 | BIO_free(in); | |
338 | BIO_free_all(out); | |
339 | if (buf_in) | |
340 | OPENSSL_free(buf_in); | |
341 | if (buf_out) | |
342 | OPENSSL_free(buf_out); | |
343 | if (sig) | |
344 | OPENSSL_free(sig); | |
345 | return ret; | |
9e4d0f0b DSH |
346 | } |
347 | ||
348 | static void usage() | |
349 | { | |
10621efd MC |
350 | BIO_printf(bio_err, "Usage: pkeyutl [options]\n"); |
351 | BIO_printf(bio_err, "-in file input file\n"); | |
352 | BIO_printf(bio_err, "-out file output file\n"); | |
353 | BIO_printf(bio_err, | |
354 | "-sigfile file signature file (verify operation only)\n"); | |
355 | BIO_printf(bio_err, "-inkey file input key\n"); | |
356 | BIO_printf(bio_err, "-keyform arg private key format - default PEM\n"); | |
357 | BIO_printf(bio_err, "-pubin input is a public key\n"); | |
358 | BIO_printf(bio_err, | |
359 | "-certin input is a certificate carrying a public key\n"); | |
360 | BIO_printf(bio_err, "-pkeyopt X:Y public key options\n"); | |
361 | BIO_printf(bio_err, "-sign sign with private key\n"); | |
362 | BIO_printf(bio_err, "-verify verify with public key\n"); | |
363 | BIO_printf(bio_err, | |
364 | "-verifyrecover verify with public key, recover original data\n"); | |
365 | BIO_printf(bio_err, "-encrypt encrypt with public key\n"); | |
366 | BIO_printf(bio_err, "-decrypt decrypt with private key\n"); | |
367 | BIO_printf(bio_err, "-derive derive shared secret\n"); | |
368 | BIO_printf(bio_err, "-hexdump hex dump output\n"); | |
9e4d0f0b | 369 | #ifndef OPENSSL_NO_ENGINE |
10621efd MC |
370 | BIO_printf(bio_err, |
371 | "-engine e use engine e, possibly a hardware device.\n"); | |
9e4d0f0b | 372 | #endif |
10621efd | 373 | BIO_printf(bio_err, "-passin arg pass phrase source\n"); |
9e4d0f0b DSH |
374 | |
375 | } | |
376 | ||
377 | static EVP_PKEY_CTX *init_ctx(int *pkeysize, | |
10621efd MC |
378 | char *keyfile, int keyform, int key_type, |
379 | char *passargin, int pkey_op, ENGINE *e) | |
380 | { | |
381 | EVP_PKEY *pkey = NULL; | |
382 | EVP_PKEY_CTX *ctx = NULL; | |
383 | char *passin = NULL; | |
384 | int rv = -1; | |
385 | X509 *x; | |
386 | if (((pkey_op == EVP_PKEY_OP_SIGN) || (pkey_op == EVP_PKEY_OP_DECRYPT) | |
387 | || (pkey_op == EVP_PKEY_OP_DERIVE)) | |
388 | && (key_type != KEY_PRIVKEY)) { | |
389 | BIO_printf(bio_err, "A private key is needed for this operation\n"); | |
390 | goto end; | |
391 | } | |
392 | if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) { | |
393 | BIO_printf(bio_err, "Error getting password\n"); | |
394 | goto end; | |
395 | } | |
396 | switch (key_type) { | |
397 | case KEY_PRIVKEY: | |
398 | pkey = load_key(bio_err, keyfile, keyform, 0, | |
399 | passin, e, "Private Key"); | |
400 | break; | |
401 | ||
402 | case KEY_PUBKEY: | |
403 | pkey = load_pubkey(bio_err, keyfile, keyform, 0, | |
404 | NULL, e, "Public Key"); | |
405 | break; | |
406 | ||
407 | case KEY_CERT: | |
408 | x = load_cert(bio_err, keyfile, keyform, NULL, e, "Certificate"); | |
409 | if (x) { | |
410 | pkey = X509_get_pubkey(x); | |
411 | X509_free(x); | |
412 | } | |
413 | break; | |
414 | ||
415 | } | |
416 | ||
417 | *pkeysize = EVP_PKEY_size(pkey); | |
418 | ||
419 | if (!pkey) | |
420 | goto end; | |
421 | ||
422 | ctx = EVP_PKEY_CTX_new(pkey, e); | |
423 | ||
424 | EVP_PKEY_free(pkey); | |
425 | ||
426 | if (!ctx) | |
427 | goto end; | |
428 | ||
429 | switch (pkey_op) { | |
430 | case EVP_PKEY_OP_SIGN: | |
431 | rv = EVP_PKEY_sign_init(ctx); | |
432 | break; | |
433 | ||
434 | case EVP_PKEY_OP_VERIFY: | |
435 | rv = EVP_PKEY_verify_init(ctx); | |
436 | break; | |
437 | ||
438 | case EVP_PKEY_OP_VERIFYRECOVER: | |
439 | rv = EVP_PKEY_verify_recover_init(ctx); | |
440 | break; | |
441 | ||
442 | case EVP_PKEY_OP_ENCRYPT: | |
443 | rv = EVP_PKEY_encrypt_init(ctx); | |
444 | break; | |
445 | ||
446 | case EVP_PKEY_OP_DECRYPT: | |
447 | rv = EVP_PKEY_decrypt_init(ctx); | |
448 | break; | |
449 | ||
450 | case EVP_PKEY_OP_DERIVE: | |
451 | rv = EVP_PKEY_derive_init(ctx); | |
452 | break; | |
453 | } | |
454 | ||
455 | if (rv <= 0) { | |
456 | EVP_PKEY_CTX_free(ctx); | |
457 | ctx = NULL; | |
458 | } | |
459 | ||
460 | end: | |
461 | ||
462 | if (passin) | |
463 | OPENSSL_free(passin); | |
464 | ||
465 | return ctx; | |
466 | ||
467 | } | |
9e4d0f0b | 468 | |
ffb1ac67 | 469 | static int setup_peer(BIO *err, EVP_PKEY_CTX *ctx, int peerform, |
10621efd MC |
470 | const char *file) |
471 | { | |
472 | EVP_PKEY *peer = NULL; | |
473 | int ret; | |
474 | if (!ctx) { | |
475 | BIO_puts(err, "-peerkey command before -inkey\n"); | |
476 | return 0; | |
477 | } | |
478 | ||
479 | peer = load_pubkey(bio_err, file, peerform, 0, NULL, NULL, "Peer Key"); | |
480 | ||
481 | if (!peer) { | |
482 | BIO_printf(bio_err, "Error reading peer key %s\n", file); | |
483 | ERR_print_errors(err); | |
484 | return 0; | |
485 | } | |
486 | ||
487 | ret = EVP_PKEY_derive_set_peer(ctx, peer); | |
488 | ||
489 | EVP_PKEY_free(peer); | |
490 | if (ret <= 0) | |
491 | ERR_print_errors(err); | |
492 | return ret; | |
493 | } | |
b010b7c4 DSH |
494 | |
495 | static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op, | |
10621efd MC |
496 | unsigned char *out, size_t *poutlen, |
497 | unsigned char *in, size_t inlen) | |
498 | { | |
499 | int rv = 0; | |
500 | switch (pkey_op) { | |
501 | case EVP_PKEY_OP_VERIFYRECOVER: | |
502 | rv = EVP_PKEY_verify_recover(ctx, out, poutlen, in, inlen); | |
503 | break; | |
504 | ||
505 | case EVP_PKEY_OP_SIGN: | |
506 | rv = EVP_PKEY_sign(ctx, out, poutlen, in, inlen); | |
507 | break; | |
508 | ||
509 | case EVP_PKEY_OP_ENCRYPT: | |
510 | rv = EVP_PKEY_encrypt(ctx, out, poutlen, in, inlen); | |
511 | break; | |
512 | ||
513 | case EVP_PKEY_OP_DECRYPT: | |
514 | rv = EVP_PKEY_decrypt(ctx, out, poutlen, in, inlen); | |
515 | break; | |
516 | ||
517 | case EVP_PKEY_OP_DERIVE: | |
518 | rv = EVP_PKEY_derive(ctx, out, poutlen); | |
519 | break; | |
520 | ||
521 | } | |
522 | return rv; | |
523 | } |