2 * Copyright 2006-2018 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
12 #include "internal/cryptlib.h"
13 #include <openssl/engine.h>
14 #include <openssl/evp.h>
15 #include <openssl/x509v3.h>
16 #include "internal/asn1_int.h"
17 #include "internal/evp_int.h"
18 #include "internal/numbers.h"
20 typedef int sk_cmp_fn_type(const char *const *a
, const char *const *b
);
22 static STACK_OF(EVP_PKEY_METHOD
) *app_pkey_methods
= NULL
;
24 /* This array needs to be in order of NIDs */
25 static const EVP_PKEY_METHOD
*standard_methods
[] = {
26 #ifndef OPENSSL_NO_RSA
32 #ifndef OPENSSL_NO_DSA
39 #ifndef OPENSSL_NO_CMAC
42 #ifndef OPENSSL_NO_RSA
48 #ifndef OPENSSL_NO_SCRYPT
57 #ifndef OPENSSL_NO_POLY1305
60 #ifndef OPENSSL_NO_SIPHASH
67 #ifndef OPENSSL_NO_SM2
72 DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD
*, const EVP_PKEY_METHOD
*,
75 static int pmeth_cmp(const EVP_PKEY_METHOD
*const *a
,
76 const EVP_PKEY_METHOD
*const *b
)
78 return ((*a
)->pkey_id
- (*b
)->pkey_id
);
81 IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD
*, const EVP_PKEY_METHOD
*,
84 const EVP_PKEY_METHOD
*EVP_PKEY_meth_find(int type
)
87 const EVP_PKEY_METHOD
*t
= &tmp
, **ret
;
89 if (app_pkey_methods
) {
91 idx
= sk_EVP_PKEY_METHOD_find(app_pkey_methods
, &tmp
);
93 return sk_EVP_PKEY_METHOD_value(app_pkey_methods
, idx
);
95 ret
= OBJ_bsearch_pmeth(&t
, standard_methods
,
96 sizeof(standard_methods
) /
97 sizeof(EVP_PKEY_METHOD
*));
103 static EVP_PKEY_CTX
*int_ctx_new(EVP_PKEY
*pkey
, ENGINE
*e
, int id
)
106 const EVP_PKEY_METHOD
*pmeth
;
113 #ifndef OPENSSL_NO_ENGINE
114 if (e
== NULL
&& pkey
!= NULL
)
115 e
= pkey
->pmeth_engine
!= NULL
? pkey
->pmeth_engine
: pkey
->engine
;
116 /* Try to find an ENGINE which implements this method */
118 if (!ENGINE_init(e
)) {
119 EVPerr(EVP_F_INT_CTX_NEW
, ERR_R_ENGINE_LIB
);
123 e
= ENGINE_get_pkey_meth_engine(id
);
127 * If an ENGINE handled this method look it up. Otherwise use internal
131 pmeth
= ENGINE_get_pkey_meth(e
, id
);
134 pmeth
= EVP_PKEY_meth_find(id
);
137 #ifndef OPENSSL_NO_ENGINE
140 EVPerr(EVP_F_INT_CTX_NEW
, EVP_R_UNSUPPORTED_ALGORITHM
);
144 ret
= OPENSSL_zalloc(sizeof(*ret
));
146 #ifndef OPENSSL_NO_ENGINE
149 EVPerr(EVP_F_INT_CTX_NEW
, ERR_R_MALLOC_FAILURE
);
154 ret
->operation
= EVP_PKEY_OP_UNDEFINED
;
157 EVP_PKEY_up_ref(pkey
);
160 if (pmeth
->init(ret
) <= 0) {
162 EVP_PKEY_CTX_free(ret
);
170 EVP_PKEY_METHOD
*EVP_PKEY_meth_new(int id
, int flags
)
172 EVP_PKEY_METHOD
*pmeth
;
174 pmeth
= OPENSSL_zalloc(sizeof(*pmeth
));
176 EVPerr(EVP_F_EVP_PKEY_METH_NEW
, ERR_R_MALLOC_FAILURE
);
181 pmeth
->flags
= flags
| EVP_PKEY_FLAG_DYNAMIC
;
185 void EVP_PKEY_meth_get0_info(int *ppkey_id
, int *pflags
,
186 const EVP_PKEY_METHOD
*meth
)
189 *ppkey_id
= meth
->pkey_id
;
191 *pflags
= meth
->flags
;
194 void EVP_PKEY_meth_copy(EVP_PKEY_METHOD
*dst
, const EVP_PKEY_METHOD
*src
)
197 dst
->init
= src
->init
;
198 dst
->copy
= src
->copy
;
199 dst
->cleanup
= src
->cleanup
;
201 dst
->paramgen_init
= src
->paramgen_init
;
202 dst
->paramgen
= src
->paramgen
;
204 dst
->keygen_init
= src
->keygen_init
;
205 dst
->keygen
= src
->keygen
;
207 dst
->sign_init
= src
->sign_init
;
208 dst
->sign
= src
->sign
;
210 dst
->verify_init
= src
->verify_init
;
211 dst
->verify
= src
->verify
;
213 dst
->verify_recover_init
= src
->verify_recover_init
;
214 dst
->verify_recover
= src
->verify_recover
;
216 dst
->signctx_init
= src
->signctx_init
;
217 dst
->signctx
= src
->signctx
;
219 dst
->verifyctx_init
= src
->verifyctx_init
;
220 dst
->verifyctx
= src
->verifyctx
;
222 dst
->encrypt_init
= src
->encrypt_init
;
223 dst
->encrypt
= src
->encrypt
;
225 dst
->decrypt_init
= src
->decrypt_init
;
226 dst
->decrypt
= src
->decrypt
;
228 dst
->derive_init
= src
->derive_init
;
229 dst
->derive
= src
->derive
;
231 dst
->ctrl
= src
->ctrl
;
232 dst
->ctrl_str
= src
->ctrl_str
;
234 dst
->check
= src
->check
;
237 void EVP_PKEY_meth_free(EVP_PKEY_METHOD
*pmeth
)
239 if (pmeth
&& (pmeth
->flags
& EVP_PKEY_FLAG_DYNAMIC
))
243 EVP_PKEY_CTX
*EVP_PKEY_CTX_new(EVP_PKEY
*pkey
, ENGINE
*e
)
245 return int_ctx_new(pkey
, e
, -1);
248 EVP_PKEY_CTX
*EVP_PKEY_CTX_new_id(int id
, ENGINE
*e
)
250 return int_ctx_new(NULL
, e
, id
);
253 EVP_PKEY_CTX
*EVP_PKEY_CTX_dup(EVP_PKEY_CTX
*pctx
)
256 if (!pctx
->pmeth
|| !pctx
->pmeth
->copy
)
258 #ifndef OPENSSL_NO_ENGINE
259 /* Make sure it's safe to copy a pkey context using an ENGINE */
260 if (pctx
->engine
&& !ENGINE_init(pctx
->engine
)) {
261 EVPerr(EVP_F_EVP_PKEY_CTX_DUP
, ERR_R_ENGINE_LIB
);
265 rctx
= OPENSSL_malloc(sizeof(*rctx
));
267 EVPerr(EVP_F_EVP_PKEY_CTX_DUP
, ERR_R_MALLOC_FAILURE
);
271 rctx
->pmeth
= pctx
->pmeth
;
272 #ifndef OPENSSL_NO_ENGINE
273 rctx
->engine
= pctx
->engine
;
277 EVP_PKEY_up_ref(pctx
->pkey
);
279 rctx
->pkey
= pctx
->pkey
;
282 EVP_PKEY_up_ref(pctx
->peerkey
);
284 rctx
->peerkey
= pctx
->peerkey
;
287 rctx
->app_data
= NULL
;
288 rctx
->operation
= pctx
->operation
;
290 if (pctx
->pmeth
->copy(rctx
, pctx
) > 0)
294 EVP_PKEY_CTX_free(rctx
);
299 int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD
*pmeth
)
301 if (app_pkey_methods
== NULL
) {
302 app_pkey_methods
= sk_EVP_PKEY_METHOD_new(pmeth_cmp
);
303 if (app_pkey_methods
== NULL
){
304 EVPerr(EVP_F_EVP_PKEY_METH_ADD0
, ERR_R_MALLOC_FAILURE
);
308 if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods
, pmeth
)) {
309 EVPerr(EVP_F_EVP_PKEY_METH_ADD0
, ERR_R_MALLOC_FAILURE
);
312 sk_EVP_PKEY_METHOD_sort(app_pkey_methods
);
316 void evp_app_cleanup_int(void)
318 if (app_pkey_methods
!= NULL
)
319 sk_EVP_PKEY_METHOD_pop_free(app_pkey_methods
, EVP_PKEY_meth_free
);
322 int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD
*pmeth
)
324 const EVP_PKEY_METHOD
*ret
;
326 ret
= sk_EVP_PKEY_METHOD_delete_ptr(app_pkey_methods
, pmeth
);
328 return ret
== NULL
? 0 : 1;
331 size_t EVP_PKEY_meth_get_count(void)
333 size_t rv
= OSSL_NELEM(standard_methods
);
335 if (app_pkey_methods
)
336 rv
+= sk_EVP_PKEY_METHOD_num(app_pkey_methods
);
340 const EVP_PKEY_METHOD
*EVP_PKEY_meth_get0(size_t idx
)
342 if (idx
< OSSL_NELEM(standard_methods
))
343 return standard_methods
[idx
];
344 if (app_pkey_methods
== NULL
)
346 idx
-= OSSL_NELEM(standard_methods
);
347 if (idx
>= (size_t)sk_EVP_PKEY_METHOD_num(app_pkey_methods
))
349 return sk_EVP_PKEY_METHOD_value(app_pkey_methods
, idx
);
352 void EVP_PKEY_CTX_free(EVP_PKEY_CTX
*ctx
)
356 if (ctx
->pmeth
&& ctx
->pmeth
->cleanup
)
357 ctx
->pmeth
->cleanup(ctx
);
358 EVP_PKEY_free(ctx
->pkey
);
359 EVP_PKEY_free(ctx
->peerkey
);
360 #ifndef OPENSSL_NO_ENGINE
361 ENGINE_finish(ctx
->engine
);
366 int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX
*ctx
, int keytype
, int optype
,
367 int cmd
, int p1
, void *p2
)
371 if (!ctx
|| !ctx
->pmeth
|| !ctx
->pmeth
->ctrl
) {
372 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL
, EVP_R_COMMAND_NOT_SUPPORTED
);
375 if ((keytype
!= -1) && (ctx
->pmeth
->pkey_id
!= keytype
))
378 /* Skip the operation checks since this is called in a very early stage */
379 if (ctx
->pmeth
->digest_custom
!= NULL
)
382 if (ctx
->operation
== EVP_PKEY_OP_UNDEFINED
) {
383 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL
, EVP_R_NO_OPERATION_SET
);
387 if ((optype
!= -1) && !(ctx
->operation
& optype
)) {
388 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL
, EVP_R_INVALID_OPERATION
);
393 ret
= ctx
->pmeth
->ctrl(ctx
, cmd
, p1
, p2
);
396 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL
, EVP_R_COMMAND_NOT_SUPPORTED
);
401 int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX
*ctx
, int keytype
, int optype
,
402 int cmd
, uint64_t value
)
404 return EVP_PKEY_CTX_ctrl(ctx
, keytype
, optype
, cmd
, 0, &value
);
407 int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX
*ctx
,
408 const char *name
, const char *value
)
410 if (!ctx
|| !ctx
->pmeth
|| !ctx
->pmeth
->ctrl_str
) {
411 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR
, EVP_R_COMMAND_NOT_SUPPORTED
);
414 if (strcmp(name
, "digest") == 0)
415 return EVP_PKEY_CTX_md(ctx
, EVP_PKEY_OP_TYPE_SIG
, EVP_PKEY_CTRL_MD
,
417 return ctx
->pmeth
->ctrl_str(ctx
, name
, value
);
420 /* Utility functions to send a string of hex string to a ctrl */
422 int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX
*ctx
, int cmd
, const char *str
)
429 return ctx
->pmeth
->ctrl(ctx
, cmd
, len
, (void *)str
);
432 int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX
*ctx
, int cmd
, const char *hex
)
438 bin
= OPENSSL_hexstr2buf(hex
, &binlen
);
441 if (binlen
<= INT_MAX
)
442 rv
= ctx
->pmeth
->ctrl(ctx
, cmd
, binlen
, bin
);
447 /* Pass a message digest to a ctrl */
448 int EVP_PKEY_CTX_md(EVP_PKEY_CTX
*ctx
, int optype
, int cmd
, const char *md
)
452 if (md
== NULL
|| (m
= EVP_get_digestbyname(md
)) == NULL
) {
453 EVPerr(EVP_F_EVP_PKEY_CTX_MD
, EVP_R_INVALID_DIGEST
);
456 return EVP_PKEY_CTX_ctrl(ctx
, -1, optype
, cmd
, 0, (void *)m
);
459 int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX
*ctx
)
461 return ctx
->operation
;
464 void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX
*ctx
, int *dat
, int datlen
)
466 ctx
->keygen_info
= dat
;
467 ctx
->keygen_info_count
= datlen
;
470 void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX
*ctx
, void *data
)
475 void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX
*ctx
)
480 EVP_PKEY
*EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX
*ctx
)
485 EVP_PKEY
*EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX
*ctx
)
490 void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX
*ctx
, void *data
)
492 ctx
->app_data
= data
;
495 void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX
*ctx
)
497 return ctx
->app_data
;
500 void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD
*pmeth
,
501 int (*init
) (EVP_PKEY_CTX
*ctx
))
506 void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD
*pmeth
,
507 int (*copy
) (EVP_PKEY_CTX
*dst
,
513 void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD
*pmeth
,
514 void (*cleanup
) (EVP_PKEY_CTX
*ctx
))
516 pmeth
->cleanup
= cleanup
;
519 void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD
*pmeth
,
520 int (*paramgen_init
) (EVP_PKEY_CTX
*ctx
),
521 int (*paramgen
) (EVP_PKEY_CTX
*ctx
,
524 pmeth
->paramgen_init
= paramgen_init
;
525 pmeth
->paramgen
= paramgen
;
528 void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD
*pmeth
,
529 int (*keygen_init
) (EVP_PKEY_CTX
*ctx
),
530 int (*keygen
) (EVP_PKEY_CTX
*ctx
,
533 pmeth
->keygen_init
= keygen_init
;
534 pmeth
->keygen
= keygen
;
537 void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD
*pmeth
,
538 int (*sign_init
) (EVP_PKEY_CTX
*ctx
),
539 int (*sign
) (EVP_PKEY_CTX
*ctx
,
540 unsigned char *sig
, size_t *siglen
,
541 const unsigned char *tbs
,
544 pmeth
->sign_init
= sign_init
;
548 void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD
*pmeth
,
549 int (*verify_init
) (EVP_PKEY_CTX
*ctx
),
550 int (*verify
) (EVP_PKEY_CTX
*ctx
,
551 const unsigned char *sig
,
553 const unsigned char *tbs
,
556 pmeth
->verify_init
= verify_init
;
557 pmeth
->verify
= verify
;
560 void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD
*pmeth
,
561 int (*verify_recover_init
) (EVP_PKEY_CTX
563 int (*verify_recover
) (EVP_PKEY_CTX
572 pmeth
->verify_recover_init
= verify_recover_init
;
573 pmeth
->verify_recover
= verify_recover
;
576 void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD
*pmeth
,
577 int (*signctx_init
) (EVP_PKEY_CTX
*ctx
,
579 int (*signctx
) (EVP_PKEY_CTX
*ctx
,
584 pmeth
->signctx_init
= signctx_init
;
585 pmeth
->signctx
= signctx
;
588 void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD
*pmeth
,
589 int (*verifyctx_init
) (EVP_PKEY_CTX
*ctx
,
591 int (*verifyctx
) (EVP_PKEY_CTX
*ctx
,
592 const unsigned char *sig
,
596 pmeth
->verifyctx_init
= verifyctx_init
;
597 pmeth
->verifyctx
= verifyctx
;
600 void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD
*pmeth
,
601 int (*encrypt_init
) (EVP_PKEY_CTX
*ctx
),
602 int (*encryptfn
) (EVP_PKEY_CTX
*ctx
,
605 const unsigned char *in
,
608 pmeth
->encrypt_init
= encrypt_init
;
609 pmeth
->encrypt
= encryptfn
;
612 void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD
*pmeth
,
613 int (*decrypt_init
) (EVP_PKEY_CTX
*ctx
),
614 int (*decrypt
) (EVP_PKEY_CTX
*ctx
,
617 const unsigned char *in
,
620 pmeth
->decrypt_init
= decrypt_init
;
621 pmeth
->decrypt
= decrypt
;
624 void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD
*pmeth
,
625 int (*derive_init
) (EVP_PKEY_CTX
*ctx
),
626 int (*derive
) (EVP_PKEY_CTX
*ctx
,
630 pmeth
->derive_init
= derive_init
;
631 pmeth
->derive
= derive
;
634 void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD
*pmeth
,
635 int (*ctrl
) (EVP_PKEY_CTX
*ctx
, int type
, int p1
,
637 int (*ctrl_str
) (EVP_PKEY_CTX
*ctx
,
642 pmeth
->ctrl_str
= ctrl_str
;
645 void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD
*pmeth
,
646 int (*check
) (EVP_PKEY
*pkey
))
648 pmeth
->check
= check
;
651 void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD
*pmeth
,
652 int (*check
) (EVP_PKEY
*pkey
))
654 pmeth
->public_check
= check
;
657 void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD
*pmeth
,
658 int (*check
) (EVP_PKEY
*pkey
))
660 pmeth
->param_check
= check
;
663 void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD
*pmeth
,
664 int (*digest_custom
) (EVP_PKEY_CTX
*ctx
,
667 pmeth
->digest_custom
= digest_custom
;
670 void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD
*pmeth
,
671 int (**pinit
) (EVP_PKEY_CTX
*ctx
))
673 *pinit
= pmeth
->init
;
676 void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD
*pmeth
,
677 int (**pcopy
) (EVP_PKEY_CTX
*dst
,
680 *pcopy
= pmeth
->copy
;
683 void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD
*pmeth
,
684 void (**pcleanup
) (EVP_PKEY_CTX
*ctx
))
686 *pcleanup
= pmeth
->cleanup
;
689 void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD
*pmeth
,
690 int (**pparamgen_init
) (EVP_PKEY_CTX
*ctx
),
691 int (**pparamgen
) (EVP_PKEY_CTX
*ctx
,
695 *pparamgen_init
= pmeth
->paramgen_init
;
697 *pparamgen
= pmeth
->paramgen
;
700 void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD
*pmeth
,
701 int (**pkeygen_init
) (EVP_PKEY_CTX
*ctx
),
702 int (**pkeygen
) (EVP_PKEY_CTX
*ctx
,
706 *pkeygen_init
= pmeth
->keygen_init
;
708 *pkeygen
= pmeth
->keygen
;
711 void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD
*pmeth
,
712 int (**psign_init
) (EVP_PKEY_CTX
*ctx
),
713 int (**psign
) (EVP_PKEY_CTX
*ctx
,
714 unsigned char *sig
, size_t *siglen
,
715 const unsigned char *tbs
,
719 *psign_init
= pmeth
->sign_init
;
721 *psign
= pmeth
->sign
;
724 void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD
*pmeth
,
725 int (**pverify_init
) (EVP_PKEY_CTX
*ctx
),
726 int (**pverify
) (EVP_PKEY_CTX
*ctx
,
727 const unsigned char *sig
,
729 const unsigned char *tbs
,
733 *pverify_init
= pmeth
->verify_init
;
735 *pverify
= pmeth
->verify
;
738 void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD
*pmeth
,
739 int (**pverify_recover_init
) (EVP_PKEY_CTX
741 int (**pverify_recover
) (EVP_PKEY_CTX
750 if (pverify_recover_init
)
751 *pverify_recover_init
= pmeth
->verify_recover_init
;
753 *pverify_recover
= pmeth
->verify_recover
;
756 void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD
*pmeth
,
757 int (**psignctx_init
) (EVP_PKEY_CTX
*ctx
,
759 int (**psignctx
) (EVP_PKEY_CTX
*ctx
,
765 *psignctx_init
= pmeth
->signctx_init
;
767 *psignctx
= pmeth
->signctx
;
770 void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD
*pmeth
,
771 int (**pverifyctx_init
) (EVP_PKEY_CTX
*ctx
,
773 int (**pverifyctx
) (EVP_PKEY_CTX
*ctx
,
774 const unsigned char *sig
,
779 *pverifyctx_init
= pmeth
->verifyctx_init
;
781 *pverifyctx
= pmeth
->verifyctx
;
784 void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD
*pmeth
,
785 int (**pencrypt_init
) (EVP_PKEY_CTX
*ctx
),
786 int (**pencryptfn
) (EVP_PKEY_CTX
*ctx
,
789 const unsigned char *in
,
793 *pencrypt_init
= pmeth
->encrypt_init
;
795 *pencryptfn
= pmeth
->encrypt
;
798 void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD
*pmeth
,
799 int (**pdecrypt_init
) (EVP_PKEY_CTX
*ctx
),
800 int (**pdecrypt
) (EVP_PKEY_CTX
*ctx
,
803 const unsigned char *in
,
807 *pdecrypt_init
= pmeth
->decrypt_init
;
809 *pdecrypt
= pmeth
->decrypt
;
812 void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD
*pmeth
,
813 int (**pderive_init
) (EVP_PKEY_CTX
*ctx
),
814 int (**pderive
) (EVP_PKEY_CTX
*ctx
,
819 *pderive_init
= pmeth
->derive_init
;
821 *pderive
= pmeth
->derive
;
824 void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD
*pmeth
,
825 int (**pctrl
) (EVP_PKEY_CTX
*ctx
, int type
, int p1
,
827 int (**pctrl_str
) (EVP_PKEY_CTX
*ctx
,
832 *pctrl
= pmeth
->ctrl
;
834 *pctrl_str
= pmeth
->ctrl_str
;
837 void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD
*pmeth
,
838 int (**pcheck
) (EVP_PKEY
*pkey
))
841 *pcheck
= pmeth
->check
;
844 void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD
*pmeth
,
845 int (**pcheck
) (EVP_PKEY
*pkey
))
848 *pcheck
= pmeth
->public_check
;
851 void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD
*pmeth
,
852 int (**pcheck
) (EVP_PKEY
*pkey
))
855 *pcheck
= pmeth
->param_check
;
858 void EVP_PKEY_meth_get_digest_custom(EVP_PKEY_METHOD
*pmeth
,
859 int (**pdigest_custom
) (EVP_PKEY_CTX
*ctx
,
863 *pdigest_custom
= pmeth
->digest_custom
;