Line data Source code
1 : /* pmeth_lib.c */
2 : /*
3 : * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
4 : * 2006.
5 : */
6 : /* ====================================================================
7 : * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
8 : *
9 : * Redistribution and use in source and binary forms, with or without
10 : * modification, are permitted provided that the following conditions
11 : * are met:
12 : *
13 : * 1. Redistributions of source code must retain the above copyright
14 : * notice, this list of conditions and the following disclaimer.
15 : *
16 : * 2. Redistributions in binary form must reproduce the above copyright
17 : * notice, this list of conditions and the following disclaimer in
18 : * the documentation and/or other materials provided with the
19 : * distribution.
20 : *
21 : * 3. All advertising materials mentioning features or use of this
22 : * software must display the following acknowledgment:
23 : * "This product includes software developed by the OpenSSL Project
24 : * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 : *
26 : * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 : * endorse or promote products derived from this software without
28 : * prior written permission. For written permission, please contact
29 : * licensing@OpenSSL.org.
30 : *
31 : * 5. Products derived from this software may not be called "OpenSSL"
32 : * nor may "OpenSSL" appear in their names without prior written
33 : * permission of the OpenSSL Project.
34 : *
35 : * 6. Redistributions of any form whatsoever must retain the following
36 : * acknowledgment:
37 : * "This product includes software developed by the OpenSSL Project
38 : * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 : *
40 : * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 : * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 : * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 : * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 : * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 : * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 : * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 : * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 : * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 : * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 : * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 : * OF THE POSSIBILITY OF SUCH DAMAGE.
52 : * ====================================================================
53 : *
54 : * This product includes cryptographic software written by Eric Young
55 : * (eay@cryptsoft.com). This product includes software written by Tim
56 : * Hudson (tjh@cryptsoft.com).
57 : *
58 : */
59 :
60 : #include <stdio.h>
61 : #include <stdlib.h>
62 : #include "cryptlib.h"
63 : #include <openssl/objects.h>
64 : #include <openssl/evp.h>
65 : #ifndef OPENSSL_NO_ENGINE
66 : # include <openssl/engine.h>
67 : #endif
68 : #include "asn1_locl.h"
69 : #include "evp_locl.h"
70 :
71 : typedef int sk_cmp_fn_type(const char *const *a, const char *const *b);
72 :
73 : DECLARE_STACK_OF(EVP_PKEY_METHOD)
74 : STACK_OF(EVP_PKEY_METHOD) *app_pkey_methods = NULL;
75 :
76 : extern const EVP_PKEY_METHOD rsa_pkey_meth, dh_pkey_meth, dsa_pkey_meth;
77 : extern const EVP_PKEY_METHOD ec_pkey_meth, hmac_pkey_meth, cmac_pkey_meth;
78 : extern const EVP_PKEY_METHOD dhx_pkey_meth;
79 :
80 : static const EVP_PKEY_METHOD *standard_methods[] = {
81 : #ifndef OPENSSL_NO_RSA
82 : &rsa_pkey_meth,
83 : #endif
84 : #ifndef OPENSSL_NO_DH
85 : &dh_pkey_meth,
86 : #endif
87 : #ifndef OPENSSL_NO_DSA
88 : &dsa_pkey_meth,
89 : #endif
90 : #ifndef OPENSSL_NO_EC
91 : &ec_pkey_meth,
92 : #endif
93 : &hmac_pkey_meth,
94 : &cmac_pkey_meth,
95 : #ifndef OPENSSL_NO_DH
96 : &dhx_pkey_meth
97 : #endif
98 : };
99 :
100 : DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *,
101 : pmeth);
102 :
103 0 : static int pmeth_cmp(const EVP_PKEY_METHOD *const *a,
104 : const EVP_PKEY_METHOD *const *b)
105 : {
106 25431 : return ((*a)->pkey_id - (*b)->pkey_id);
107 : }
108 :
109 59339 : IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *,
110 : pmeth);
111 :
112 8477 : const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type)
113 : {
114 : EVP_PKEY_METHOD tmp;
115 8477 : const EVP_PKEY_METHOD *t = &tmp, **ret;
116 8477 : tmp.pkey_id = type;
117 8477 : if (app_pkey_methods) {
118 : int idx;
119 0 : idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp);
120 0 : if (idx >= 0)
121 0 : return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
122 : }
123 : ret = OBJ_bsearch_pmeth(&t, standard_methods,
124 : sizeof(standard_methods) /
125 : sizeof(EVP_PKEY_METHOD *));
126 8477 : if (!ret || !*ret)
127 : return NULL;
128 8477 : return *ret;
129 : }
130 :
131 8477 : static EVP_PKEY_CTX *int_ctx_new(EVP_PKEY *pkey, ENGINE *e, int id)
132 : {
133 : EVP_PKEY_CTX *ret;
134 : const EVP_PKEY_METHOD *pmeth;
135 8477 : if (id == -1) {
136 4802 : if (!pkey || !pkey->ameth)
137 : return NULL;
138 4802 : id = pkey->ameth->pkey_id;
139 : }
140 : #ifndef OPENSSL_NO_ENGINE
141 8477 : if (pkey && pkey->engine)
142 : e = pkey->engine;
143 : /* Try to find an ENGINE which implements this method */
144 8477 : if (e) {
145 0 : if (!ENGINE_init(e)) {
146 0 : EVPerr(EVP_F_INT_CTX_NEW, ERR_R_ENGINE_LIB);
147 0 : return NULL;
148 : }
149 : } else
150 8477 : e = ENGINE_get_pkey_meth_engine(id);
151 :
152 : /*
153 : * If an ENGINE handled this method look it up. Othewise use internal
154 : * tables.
155 : */
156 :
157 8477 : if (e)
158 0 : pmeth = ENGINE_get_pkey_meth(e, id);
159 : else
160 : #endif
161 8477 : pmeth = EVP_PKEY_meth_find(id);
162 :
163 8477 : if (pmeth == NULL) {
164 0 : EVPerr(EVP_F_INT_CTX_NEW, EVP_R_UNSUPPORTED_ALGORITHM);
165 0 : return NULL;
166 : }
167 :
168 8477 : ret = OPENSSL_malloc(sizeof(EVP_PKEY_CTX));
169 8477 : if (!ret) {
170 : #ifndef OPENSSL_NO_ENGINE
171 0 : if (e)
172 0 : ENGINE_finish(e);
173 : #endif
174 0 : EVPerr(EVP_F_INT_CTX_NEW, ERR_R_MALLOC_FAILURE);
175 0 : return NULL;
176 : }
177 8477 : ret->engine = e;
178 8477 : ret->pmeth = pmeth;
179 8477 : ret->operation = EVP_PKEY_OP_UNDEFINED;
180 8477 : ret->pkey = pkey;
181 8477 : ret->peerkey = NULL;
182 8477 : ret->pkey_gencb = 0;
183 8477 : if (pkey)
184 4802 : CRYPTO_add(&pkey->references, 1, CRYPTO_LOCK_EVP_PKEY);
185 8477 : ret->data = NULL;
186 :
187 8477 : if (pmeth->init) {
188 8477 : if (pmeth->init(ret) <= 0) {
189 0 : EVP_PKEY_CTX_free(ret);
190 0 : return NULL;
191 : }
192 : }
193 :
194 8477 : return ret;
195 : }
196 :
197 0 : EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags)
198 : {
199 : EVP_PKEY_METHOD *pmeth;
200 0 : pmeth = OPENSSL_malloc(sizeof(EVP_PKEY_METHOD));
201 0 : if (!pmeth)
202 : return NULL;
203 :
204 : memset(pmeth, 0, sizeof(EVP_PKEY_METHOD));
205 :
206 0 : pmeth->pkey_id = id;
207 0 : pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC;
208 :
209 0 : pmeth->init = 0;
210 0 : pmeth->copy = 0;
211 0 : pmeth->cleanup = 0;
212 0 : pmeth->paramgen_init = 0;
213 0 : pmeth->paramgen = 0;
214 0 : pmeth->keygen_init = 0;
215 0 : pmeth->keygen = 0;
216 0 : pmeth->sign_init = 0;
217 0 : pmeth->sign = 0;
218 0 : pmeth->verify_init = 0;
219 0 : pmeth->verify = 0;
220 0 : pmeth->verify_recover_init = 0;
221 0 : pmeth->verify_recover = 0;
222 0 : pmeth->signctx_init = 0;
223 0 : pmeth->signctx = 0;
224 0 : pmeth->verifyctx_init = 0;
225 0 : pmeth->verifyctx = 0;
226 0 : pmeth->encrypt_init = 0;
227 0 : pmeth->encrypt = 0;
228 0 : pmeth->decrypt_init = 0;
229 0 : pmeth->decrypt = 0;
230 0 : pmeth->derive_init = 0;
231 0 : pmeth->derive = 0;
232 0 : pmeth->ctrl = 0;
233 0 : pmeth->ctrl_str = 0;
234 :
235 0 : return pmeth;
236 : }
237 :
238 0 : void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
239 : const EVP_PKEY_METHOD *meth)
240 : {
241 0 : if (ppkey_id)
242 0 : *ppkey_id = meth->pkey_id;
243 0 : if (pflags)
244 0 : *pflags = meth->flags;
245 0 : }
246 :
247 0 : void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src)
248 : {
249 :
250 0 : dst->init = src->init;
251 0 : dst->copy = src->copy;
252 0 : dst->cleanup = src->cleanup;
253 :
254 0 : dst->paramgen_init = src->paramgen_init;
255 0 : dst->paramgen = src->paramgen;
256 :
257 0 : dst->keygen_init = src->keygen_init;
258 0 : dst->keygen = src->keygen;
259 :
260 0 : dst->sign_init = src->sign_init;
261 0 : dst->sign = src->sign;
262 :
263 0 : dst->verify_init = src->verify_init;
264 0 : dst->verify = src->verify;
265 :
266 0 : dst->verify_recover_init = src->verify_recover_init;
267 0 : dst->verify_recover = src->verify_recover;
268 :
269 0 : dst->signctx_init = src->signctx_init;
270 0 : dst->signctx = src->signctx;
271 :
272 0 : dst->verifyctx_init = src->verifyctx_init;
273 0 : dst->verifyctx = src->verifyctx;
274 :
275 0 : dst->encrypt_init = src->encrypt_init;
276 0 : dst->encrypt = src->encrypt;
277 :
278 0 : dst->decrypt_init = src->decrypt_init;
279 0 : dst->decrypt = src->decrypt;
280 :
281 0 : dst->derive_init = src->derive_init;
282 0 : dst->derive = src->derive;
283 :
284 0 : dst->ctrl = src->ctrl;
285 0 : dst->ctrl_str = src->ctrl_str;
286 0 : }
287 :
288 0 : void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth)
289 : {
290 0 : if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC))
291 0 : OPENSSL_free(pmeth);
292 0 : }
293 :
294 4802 : EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e)
295 : {
296 4802 : return int_ctx_new(pkey, e, -1);
297 : }
298 :
299 3675 : EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e)
300 : {
301 3675 : return int_ctx_new(NULL, e, id);
302 : }
303 :
304 20980 : EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *pctx)
305 : {
306 : EVP_PKEY_CTX *rctx;
307 20980 : if (!pctx->pmeth || !pctx->pmeth->copy)
308 : return NULL;
309 : #ifndef OPENSSL_NO_ENGINE
310 : /* Make sure it's safe to copy a pkey context using an ENGINE */
311 20980 : if (pctx->engine && !ENGINE_init(pctx->engine)) {
312 0 : EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_ENGINE_LIB);
313 0 : return 0;
314 : }
315 : #endif
316 20980 : rctx = OPENSSL_malloc(sizeof(EVP_PKEY_CTX));
317 20980 : if (!rctx)
318 : return NULL;
319 :
320 20980 : rctx->pmeth = pctx->pmeth;
321 : #ifndef OPENSSL_NO_ENGINE
322 20980 : rctx->engine = pctx->engine;
323 : #endif
324 :
325 20980 : if (pctx->pkey)
326 20980 : CRYPTO_add(&pctx->pkey->references, 1, CRYPTO_LOCK_EVP_PKEY);
327 :
328 20980 : rctx->pkey = pctx->pkey;
329 :
330 20980 : if (pctx->peerkey)
331 0 : CRYPTO_add(&pctx->peerkey->references, 1, CRYPTO_LOCK_EVP_PKEY);
332 :
333 20980 : rctx->peerkey = pctx->peerkey;
334 :
335 20980 : rctx->data = NULL;
336 20980 : rctx->app_data = NULL;
337 20980 : rctx->operation = pctx->operation;
338 :
339 20980 : if (pctx->pmeth->copy(rctx, pctx) > 0)
340 : return rctx;
341 :
342 0 : EVP_PKEY_CTX_free(rctx);
343 0 : return NULL;
344 :
345 : }
346 :
347 0 : int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth)
348 : {
349 0 : if (app_pkey_methods == NULL) {
350 0 : app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp);
351 0 : if (!app_pkey_methods)
352 : return 0;
353 : }
354 0 : if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth))
355 : return 0;
356 0 : sk_EVP_PKEY_METHOD_sort(app_pkey_methods);
357 0 : return 1;
358 : }
359 :
360 29457 : void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
361 : {
362 29457 : if (ctx == NULL)
363 29457 : return;
364 29457 : if (ctx->pmeth && ctx->pmeth->cleanup)
365 29457 : ctx->pmeth->cleanup(ctx);
366 29457 : if (ctx->pkey)
367 25782 : EVP_PKEY_free(ctx->pkey);
368 29457 : if (ctx->peerkey)
369 0 : EVP_PKEY_free(ctx->peerkey);
370 : #ifndef OPENSSL_NO_ENGINE
371 29457 : if (ctx->engine)
372 : /*
373 : * The EVP_PKEY_CTX we used belongs to an ENGINE, release the
374 : * functional reference we held for this reason.
375 : */
376 0 : ENGINE_finish(ctx->engine);
377 : #endif
378 29457 : OPENSSL_free(ctx);
379 : }
380 :
381 12536 : int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
382 : int cmd, int p1, void *p2)
383 : {
384 : int ret;
385 12536 : if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl) {
386 0 : EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
387 0 : return -2;
388 : }
389 12536 : if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
390 : return -1;
391 :
392 12536 : if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {
393 0 : EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET);
394 0 : return -1;
395 : }
396 :
397 12536 : if ((optype != -1) && !(ctx->operation & optype)) {
398 0 : EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION);
399 0 : return -1;
400 : }
401 :
402 12536 : ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
403 :
404 12536 : if (ret == -2)
405 0 : EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
406 :
407 12536 : return ret;
408 :
409 : }
410 :
411 0 : int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
412 : const char *name, const char *value)
413 : {
414 0 : if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str) {
415 0 : EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
416 0 : return -2;
417 : }
418 0 : if (!strcmp(name, "digest")) {
419 : const EVP_MD *md;
420 0 : if (!value || !(md = EVP_get_digestbyname(value))) {
421 0 : EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_INVALID_DIGEST);
422 0 : return 0;
423 : }
424 0 : return EVP_PKEY_CTX_set_signature_md(ctx, md);
425 : }
426 0 : return ctx->pmeth->ctrl_str(ctx, name, value);
427 : }
428 :
429 0 : int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx)
430 : {
431 0 : return ctx->operation;
432 : }
433 :
434 0 : void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen)
435 : {
436 0 : ctx->keygen_info = dat;
437 0 : ctx->keygen_info_count = datlen;
438 0 : }
439 :
440 0 : void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data)
441 : {
442 0 : ctx->data = data;
443 0 : }
444 :
445 0 : void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx)
446 : {
447 0 : return ctx->data;
448 : }
449 :
450 0 : EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx)
451 : {
452 0 : return ctx->pkey;
453 : }
454 :
455 0 : EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx)
456 : {
457 0 : return ctx->peerkey;
458 : }
459 :
460 0 : void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data)
461 : {
462 0 : ctx->app_data = data;
463 0 : }
464 :
465 0 : void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx)
466 : {
467 0 : return ctx->app_data;
468 : }
469 :
470 0 : void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
471 : int (*init) (EVP_PKEY_CTX *ctx))
472 : {
473 0 : pmeth->init = init;
474 0 : }
475 :
476 0 : void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
477 : int (*copy) (EVP_PKEY_CTX *dst,
478 : EVP_PKEY_CTX *src))
479 : {
480 0 : pmeth->copy = copy;
481 0 : }
482 :
483 0 : void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
484 : void (*cleanup) (EVP_PKEY_CTX *ctx))
485 : {
486 0 : pmeth->cleanup = cleanup;
487 0 : }
488 :
489 0 : void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
490 : int (*paramgen_init) (EVP_PKEY_CTX *ctx),
491 : int (*paramgen) (EVP_PKEY_CTX *ctx,
492 : EVP_PKEY *pkey))
493 : {
494 0 : pmeth->paramgen_init = paramgen_init;
495 0 : pmeth->paramgen = paramgen;
496 0 : }
497 :
498 0 : void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
499 : int (*keygen_init) (EVP_PKEY_CTX *ctx),
500 : int (*keygen) (EVP_PKEY_CTX *ctx,
501 : EVP_PKEY *pkey))
502 : {
503 0 : pmeth->keygen_init = keygen_init;
504 0 : pmeth->keygen = keygen;
505 0 : }
506 :
507 0 : void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
508 : int (*sign_init) (EVP_PKEY_CTX *ctx),
509 : int (*sign) (EVP_PKEY_CTX *ctx,
510 : unsigned char *sig, size_t *siglen,
511 : const unsigned char *tbs,
512 : size_t tbslen))
513 : {
514 0 : pmeth->sign_init = sign_init;
515 0 : pmeth->sign = sign;
516 0 : }
517 :
518 0 : void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
519 : int (*verify_init) (EVP_PKEY_CTX *ctx),
520 : int (*verify) (EVP_PKEY_CTX *ctx,
521 : const unsigned char *sig,
522 : size_t siglen,
523 : const unsigned char *tbs,
524 : size_t tbslen))
525 : {
526 0 : pmeth->verify_init = verify_init;
527 0 : pmeth->verify = verify;
528 0 : }
529 :
530 0 : void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
531 : int (*verify_recover_init) (EVP_PKEY_CTX
532 : *ctx),
533 : int (*verify_recover) (EVP_PKEY_CTX
534 : *ctx,
535 : unsigned char
536 : *sig,
537 : size_t *siglen,
538 : const unsigned
539 : char *tbs,
540 : size_t tbslen))
541 : {
542 0 : pmeth->verify_recover_init = verify_recover_init;
543 0 : pmeth->verify_recover = verify_recover;
544 0 : }
545 :
546 0 : void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
547 : int (*signctx_init) (EVP_PKEY_CTX *ctx,
548 : EVP_MD_CTX *mctx),
549 : int (*signctx) (EVP_PKEY_CTX *ctx,
550 : unsigned char *sig,
551 : size_t *siglen,
552 : EVP_MD_CTX *mctx))
553 : {
554 0 : pmeth->signctx_init = signctx_init;
555 0 : pmeth->signctx = signctx;
556 0 : }
557 :
558 0 : void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
559 : int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
560 : EVP_MD_CTX *mctx),
561 : int (*verifyctx) (EVP_PKEY_CTX *ctx,
562 : const unsigned char *sig,
563 : int siglen,
564 : EVP_MD_CTX *mctx))
565 : {
566 0 : pmeth->verifyctx_init = verifyctx_init;
567 0 : pmeth->verifyctx = verifyctx;
568 0 : }
569 :
570 0 : void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
571 : int (*encrypt_init) (EVP_PKEY_CTX *ctx),
572 : int (*encryptfn) (EVP_PKEY_CTX *ctx,
573 : unsigned char *out,
574 : size_t *outlen,
575 : const unsigned char *in,
576 : size_t inlen))
577 : {
578 0 : pmeth->encrypt_init = encrypt_init;
579 0 : pmeth->encrypt = encryptfn;
580 0 : }
581 :
582 0 : void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
583 : int (*decrypt_init) (EVP_PKEY_CTX *ctx),
584 : int (*decrypt) (EVP_PKEY_CTX *ctx,
585 : unsigned char *out,
586 : size_t *outlen,
587 : const unsigned char *in,
588 : size_t inlen))
589 : {
590 0 : pmeth->decrypt_init = decrypt_init;
591 0 : pmeth->decrypt = decrypt;
592 0 : }
593 :
594 0 : void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
595 : int (*derive_init) (EVP_PKEY_CTX *ctx),
596 : int (*derive) (EVP_PKEY_CTX *ctx,
597 : unsigned char *key,
598 : size_t *keylen))
599 : {
600 0 : pmeth->derive_init = derive_init;
601 0 : pmeth->derive = derive;
602 0 : }
603 :
604 0 : void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
605 : int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
606 : void *p2),
607 : int (*ctrl_str) (EVP_PKEY_CTX *ctx,
608 : const char *type,
609 : const char *value))
610 : {
611 0 : pmeth->ctrl = ctrl;
612 0 : pmeth->ctrl_str = ctrl_str;
613 0 : }
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