3 * Copyright 2006-2018 The OpenSSL Project Authors. All Rights Reserved.
5 * Licensed under the Apache License 2.0 (the "License"). You may not use
6 * this file except in compliance with the License. You can obtain a copy
7 * in the file LICENSE in the source distribution or at
8 * https://www.openssl.org/source/license.html
13 #include <openssl/engine.h>
14 #include <openssl/evp.h>
15 #include <openssl/x509v3.h>
16 #include <openssl/core_names.h>
17 #include <openssl/dh.h>
18 #include <openssl/rsa.h>
19 #include "internal/cryptlib.h"
20 #include "crypto/asn1.h"
21 #include "crypto/evp.h"
22 #include "internal/numbers.h"
23 #include "internal/provider.h"
24 #include "evp_local.h"
26 typedef const EVP_PKEY_METHOD
*(*pmeth_fn
)(void);
27 typedef int sk_cmp_fn_type(const char *const *a
, const char *const *b
);
29 static STACK_OF(EVP_PKEY_METHOD
) *app_pkey_methods
= NULL
;
31 /* This array needs to be in order of NIDs */
32 static pmeth_fn standard_methods
[] = {
33 #ifndef OPENSSL_NO_RSA
39 #ifndef OPENSSL_NO_DSA
46 #ifndef OPENSSL_NO_CMAC
49 #ifndef OPENSSL_NO_RSA
55 #ifndef OPENSSL_NO_SCRYPT
64 #ifndef OPENSSL_NO_POLY1305
67 #ifndef OPENSSL_NO_SIPHASH
74 #ifndef OPENSSL_NO_SM2
79 DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD
*, pmeth_fn
, pmeth_func
);
81 static int pmeth_func_cmp(const EVP_PKEY_METHOD
*const *a
, pmeth_fn
const *b
)
83 return ((*a
)->pkey_id
- ((**b
)())->pkey_id
);
86 IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD
*, pmeth_fn
, pmeth_func
);
88 static int pmeth_cmp(const EVP_PKEY_METHOD
*const *a
,
89 const EVP_PKEY_METHOD
*const *b
)
91 return ((*a
)->pkey_id
- (*b
)->pkey_id
);
94 const EVP_PKEY_METHOD
*EVP_PKEY_meth_find(int type
)
98 const EVP_PKEY_METHOD
*t
= &tmp
;
101 if (app_pkey_methods
) {
103 idx
= sk_EVP_PKEY_METHOD_find(app_pkey_methods
, &tmp
);
105 return sk_EVP_PKEY_METHOD_value(app_pkey_methods
, idx
);
107 ret
= OBJ_bsearch_pmeth_func(&t
, standard_methods
,
108 sizeof(standard_methods
) /
110 if (ret
== NULL
|| *ret
== NULL
)
115 static EVP_PKEY_CTX
*int_ctx_new(OPENSSL_CTX
*libctx
,
116 EVP_PKEY
*pkey
, ENGINE
*e
,
117 const char *name
, const char *propquery
,
121 const EVP_PKEY_METHOD
*pmeth
= NULL
;
124 * When using providers, the context is bound to the algo implementation
127 if (pkey
== NULL
&& e
== NULL
&& id
== -1)
131 * If the key doesn't contain anything legacy, then it must be provided,
132 * so we extract the necessary information and use that.
134 if (pkey
!= NULL
&& pkey
->ameth
== NULL
) {
135 /* If we have an engine, something went wrong somewhere... */
136 if (!ossl_assert(e
== NULL
))
138 name
= evp_first_name(pkey
->pkeys
[0].keymgmt
->prov
,
139 pkey
->pkeys
[0].keymgmt
->name_id
);
141 * TODO: I wonder if the EVP_PKEY should have the name and propquery
142 * that were used when building it.... /RL
147 /* TODO(3.0) Legacy code should be removed when all is provider based */
156 * Here, we extract what information we can for the purpose of
157 * supporting usage with implementations from providers, to make
158 * for a smooth transition from legacy stuff to provider based stuff.
160 * If an engine is given, this is entirely legacy, and we should not
161 * pretend anything else, so we only set the name when no engine is
162 * given. If both are already given, someone made a mistake, and
163 * since that can only happen internally, it's safe to make an
166 if (!ossl_assert(e
== NULL
|| name
== NULL
))
169 name
= OBJ_nid2sn(id
);
172 * We were called using legacy data, or an EVP_PKEY, but an EVP_PKEY
173 * isn't tied to a specific library context, so we fall back to the
174 * default library context.
175 * TODO(v3.0): an EVP_PKEY that doesn't originate from a leagacy key
176 * structure only has the pkeys[] cache, where the first element is
177 * considered the "origin". Investigate if that could be a suitable
178 * way to find a library context.
182 #ifndef OPENSSL_NO_ENGINE
183 if (e
== NULL
&& pkey
!= NULL
)
184 e
= pkey
->pmeth_engine
!= NULL
? pkey
->pmeth_engine
: pkey
->engine
;
185 /* Try to find an ENGINE which implements this method */
187 if (!ENGINE_init(e
)) {
188 EVPerr(EVP_F_INT_CTX_NEW
, ERR_R_ENGINE_LIB
);
192 e
= ENGINE_get_pkey_meth_engine(id
);
196 * If an ENGINE handled this method look it up. Otherwise use internal
200 pmeth
= ENGINE_get_pkey_meth(e
, id
);
203 pmeth
= EVP_PKEY_meth_find(id
);
206 #ifndef OPENSSL_NO_ENGINE
209 EVPerr(EVP_F_INT_CTX_NEW
, EVP_R_UNSUPPORTED_ALGORITHM
);
215 ret
= OPENSSL_zalloc(sizeof(*ret
));
217 #ifndef OPENSSL_NO_ENGINE
220 EVPerr(EVP_F_INT_CTX_NEW
, ERR_R_MALLOC_FAILURE
);
223 ret
->libctx
= libctx
;
224 ret
->algorithm
= name
;
225 ret
->propquery
= propquery
;
228 ret
->operation
= EVP_PKEY_OP_UNDEFINED
;
231 EVP_PKEY_up_ref(pkey
);
233 if (pmeth
!= NULL
&& pmeth
->init
!= NULL
) {
234 if (pmeth
->init(ret
) <= 0) {
236 EVP_PKEY_CTX_free(ret
);
244 void evp_pkey_ctx_free_old_ops(EVP_PKEY_CTX
*ctx
)
246 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx
)) {
247 if (ctx
->op
.kex
.exchprovctx
!= NULL
&& ctx
->op
.kex
.exchange
!= NULL
)
248 ctx
->op
.kex
.exchange
->freectx(ctx
->op
.kex
.exchprovctx
);
249 EVP_KEYEXCH_free(ctx
->op
.kex
.exchange
);
250 ctx
->op
.kex
.exchprovctx
= NULL
;
251 ctx
->op
.kex
.exchange
= NULL
;
252 } else if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)) {
253 if (ctx
->op
.sig
.sigprovctx
!= NULL
&& ctx
->op
.sig
.signature
!= NULL
)
254 ctx
->op
.sig
.signature
->freectx(ctx
->op
.sig
.sigprovctx
);
255 EVP_SIGNATURE_free(ctx
->op
.sig
.signature
);
256 ctx
->op
.sig
.sigprovctx
= NULL
;
257 ctx
->op
.sig
.signature
= NULL
;
258 } else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)) {
259 if (ctx
->op
.ciph
.ciphprovctx
!= NULL
&& ctx
->op
.ciph
.cipher
!= NULL
)
260 ctx
->op
.ciph
.cipher
->freectx(ctx
->op
.ciph
.ciphprovctx
);
261 EVP_ASYM_CIPHER_free(ctx
->op
.ciph
.cipher
);
262 ctx
->op
.ciph
.ciphprovctx
= NULL
;
263 ctx
->op
.ciph
.cipher
= NULL
;
267 EVP_PKEY_METHOD
*EVP_PKEY_meth_new(int id
, int flags
)
269 EVP_PKEY_METHOD
*pmeth
;
271 pmeth
= OPENSSL_zalloc(sizeof(*pmeth
));
273 EVPerr(EVP_F_EVP_PKEY_METH_NEW
, ERR_R_MALLOC_FAILURE
);
278 pmeth
->flags
= flags
| EVP_PKEY_FLAG_DYNAMIC
;
282 void EVP_PKEY_meth_get0_info(int *ppkey_id
, int *pflags
,
283 const EVP_PKEY_METHOD
*meth
)
286 *ppkey_id
= meth
->pkey_id
;
288 *pflags
= meth
->flags
;
291 void EVP_PKEY_meth_copy(EVP_PKEY_METHOD
*dst
, const EVP_PKEY_METHOD
*src
)
294 dst
->init
= src
->init
;
295 dst
->copy
= src
->copy
;
296 dst
->cleanup
= src
->cleanup
;
298 dst
->paramgen_init
= src
->paramgen_init
;
299 dst
->paramgen
= src
->paramgen
;
301 dst
->keygen_init
= src
->keygen_init
;
302 dst
->keygen
= src
->keygen
;
304 dst
->sign_init
= src
->sign_init
;
305 dst
->sign
= src
->sign
;
307 dst
->verify_init
= src
->verify_init
;
308 dst
->verify
= src
->verify
;
310 dst
->verify_recover_init
= src
->verify_recover_init
;
311 dst
->verify_recover
= src
->verify_recover
;
313 dst
->signctx_init
= src
->signctx_init
;
314 dst
->signctx
= src
->signctx
;
316 dst
->verifyctx_init
= src
->verifyctx_init
;
317 dst
->verifyctx
= src
->verifyctx
;
319 dst
->encrypt_init
= src
->encrypt_init
;
320 dst
->encrypt
= src
->encrypt
;
322 dst
->decrypt_init
= src
->decrypt_init
;
323 dst
->decrypt
= src
->decrypt
;
325 dst
->derive_init
= src
->derive_init
;
326 dst
->derive
= src
->derive
;
328 dst
->ctrl
= src
->ctrl
;
329 dst
->ctrl_str
= src
->ctrl_str
;
331 dst
->check
= src
->check
;
334 void EVP_PKEY_meth_free(EVP_PKEY_METHOD
*pmeth
)
336 if (pmeth
&& (pmeth
->flags
& EVP_PKEY_FLAG_DYNAMIC
))
340 EVP_PKEY_CTX
*EVP_PKEY_CTX_new(EVP_PKEY
*pkey
, ENGINE
*e
)
342 return int_ctx_new(NULL
, pkey
, e
, NULL
, NULL
, -1);
345 EVP_PKEY_CTX
*EVP_PKEY_CTX_new_id(int id
, ENGINE
*e
)
347 return int_ctx_new(NULL
, NULL
, e
, NULL
, NULL
, id
);
350 EVP_PKEY_CTX
*EVP_PKEY_CTX_new_provided(OPENSSL_CTX
*libctx
,
352 const char *propquery
)
354 return int_ctx_new(libctx
, NULL
, NULL
, name
, propquery
, -1);
357 EVP_PKEY_CTX
*EVP_PKEY_CTX_dup(const EVP_PKEY_CTX
*pctx
)
361 if (((pctx
->pmeth
== NULL
) || (pctx
->pmeth
->copy
== NULL
))
362 && ((EVP_PKEY_CTX_IS_DERIVE_OP(pctx
)
363 && pctx
->op
.kex
.exchprovctx
== NULL
)
364 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx
)
365 && pctx
->op
.sig
.sigprovctx
== NULL
)))
367 #ifndef OPENSSL_NO_ENGINE
368 /* Make sure it's safe to copy a pkey context using an ENGINE */
369 if (pctx
->engine
&& !ENGINE_init(pctx
->engine
)) {
370 EVPerr(EVP_F_EVP_PKEY_CTX_DUP
, ERR_R_ENGINE_LIB
);
374 rctx
= OPENSSL_zalloc(sizeof(*rctx
));
376 EVPerr(EVP_F_EVP_PKEY_CTX_DUP
, ERR_R_MALLOC_FAILURE
);
380 if (pctx
->pkey
!= NULL
)
381 EVP_PKEY_up_ref(pctx
->pkey
);
382 rctx
->pkey
= pctx
->pkey
;
383 rctx
->operation
= pctx
->operation
;
384 rctx
->libctx
= pctx
->libctx
;
385 rctx
->algorithm
= pctx
->algorithm
;
386 rctx
->propquery
= pctx
->propquery
;
388 if (EVP_PKEY_CTX_IS_DERIVE_OP(pctx
)) {
389 if (pctx
->op
.kex
.exchange
!= NULL
) {
390 rctx
->op
.kex
.exchange
= pctx
->op
.kex
.exchange
;
391 if (!EVP_KEYEXCH_up_ref(rctx
->op
.kex
.exchange
)) {
396 if (pctx
->op
.kex
.exchprovctx
!= NULL
) {
397 if (!ossl_assert(pctx
->op
.kex
.exchange
!= NULL
))
399 rctx
->op
.kex
.exchprovctx
400 = pctx
->op
.kex
.exchange
->dupctx(pctx
->op
.kex
.exchprovctx
);
401 if (rctx
->op
.kex
.exchprovctx
== NULL
) {
402 EVP_KEYEXCH_free(rctx
->op
.kex
.exchange
);
408 } else if (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx
)) {
409 if (pctx
->op
.sig
.signature
!= NULL
) {
410 rctx
->op
.sig
.signature
= pctx
->op
.sig
.signature
;
411 if (!EVP_SIGNATURE_up_ref(rctx
->op
.sig
.signature
)) {
416 if (pctx
->op
.sig
.sigprovctx
!= NULL
) {
417 if (!ossl_assert(pctx
->op
.sig
.signature
!= NULL
))
419 rctx
->op
.sig
.sigprovctx
420 = pctx
->op
.sig
.signature
->dupctx(pctx
->op
.sig
.sigprovctx
);
421 if (rctx
->op
.sig
.sigprovctx
== NULL
) {
422 EVP_SIGNATURE_free(rctx
->op
.sig
.signature
);
428 } else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(pctx
)) {
429 if (pctx
->op
.ciph
.cipher
!= NULL
) {
430 rctx
->op
.ciph
.cipher
= pctx
->op
.ciph
.cipher
;
431 if (!EVP_ASYM_CIPHER_up_ref(rctx
->op
.ciph
.cipher
)) {
436 if (pctx
->op
.ciph
.ciphprovctx
!= NULL
) {
437 if (!ossl_assert(pctx
->op
.ciph
.cipher
!= NULL
))
439 rctx
->op
.ciph
.ciphprovctx
440 = pctx
->op
.ciph
.cipher
->dupctx(pctx
->op
.ciph
.ciphprovctx
);
441 if (rctx
->op
.ciph
.ciphprovctx
== NULL
) {
442 EVP_ASYM_CIPHER_free(rctx
->op
.ciph
.cipher
);
450 rctx
->pmeth
= pctx
->pmeth
;
451 #ifndef OPENSSL_NO_ENGINE
452 rctx
->engine
= pctx
->engine
;
456 EVP_PKEY_up_ref(pctx
->peerkey
);
457 rctx
->peerkey
= pctx
->peerkey
;
459 if (pctx
->pmeth
->copy(rctx
, pctx
) > 0)
463 EVP_PKEY_CTX_free(rctx
);
468 int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD
*pmeth
)
470 if (app_pkey_methods
== NULL
) {
471 app_pkey_methods
= sk_EVP_PKEY_METHOD_new(pmeth_cmp
);
472 if (app_pkey_methods
== NULL
){
473 EVPerr(EVP_F_EVP_PKEY_METH_ADD0
, ERR_R_MALLOC_FAILURE
);
477 if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods
, pmeth
)) {
478 EVPerr(EVP_F_EVP_PKEY_METH_ADD0
, ERR_R_MALLOC_FAILURE
);
481 sk_EVP_PKEY_METHOD_sort(app_pkey_methods
);
485 void evp_app_cleanup_int(void)
487 if (app_pkey_methods
!= NULL
)
488 sk_EVP_PKEY_METHOD_pop_free(app_pkey_methods
, EVP_PKEY_meth_free
);
491 int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD
*pmeth
)
493 const EVP_PKEY_METHOD
*ret
;
495 ret
= sk_EVP_PKEY_METHOD_delete_ptr(app_pkey_methods
, pmeth
);
497 return ret
== NULL
? 0 : 1;
500 size_t EVP_PKEY_meth_get_count(void)
502 size_t rv
= OSSL_NELEM(standard_methods
);
504 if (app_pkey_methods
)
505 rv
+= sk_EVP_PKEY_METHOD_num(app_pkey_methods
);
509 const EVP_PKEY_METHOD
*EVP_PKEY_meth_get0(size_t idx
)
511 if (idx
< OSSL_NELEM(standard_methods
))
512 return (standard_methods
[idx
])();
513 if (app_pkey_methods
== NULL
)
515 idx
-= OSSL_NELEM(standard_methods
);
516 if (idx
>= (size_t)sk_EVP_PKEY_METHOD_num(app_pkey_methods
))
518 return sk_EVP_PKEY_METHOD_value(app_pkey_methods
, idx
);
521 void EVP_PKEY_CTX_free(EVP_PKEY_CTX
*ctx
)
525 if (ctx
->pmeth
&& ctx
->pmeth
->cleanup
)
526 ctx
->pmeth
->cleanup(ctx
);
528 evp_pkey_ctx_free_old_ops(ctx
);
529 EVP_KEYMGMT_free(ctx
->keymgmt
);
531 EVP_PKEY_free(ctx
->pkey
);
532 EVP_PKEY_free(ctx
->peerkey
);
533 #ifndef OPENSSL_NO_ENGINE
534 ENGINE_finish(ctx
->engine
);
539 int EVP_PKEY_CTX_get_params(EVP_PKEY_CTX
*ctx
, OSSL_PARAM
*params
)
541 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)
542 && ctx
->op
.sig
.sigprovctx
!= NULL
543 && ctx
->op
.sig
.signature
!= NULL
544 && ctx
->op
.sig
.signature
->get_ctx_params
!= NULL
)
545 return ctx
->op
.sig
.signature
->get_ctx_params(ctx
->op
.sig
.sigprovctx
,
547 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)
548 && ctx
->op
.ciph
.ciphprovctx
!= NULL
549 && ctx
->op
.ciph
.cipher
!= NULL
550 && ctx
->op
.ciph
.cipher
->get_ctx_params
!= NULL
)
551 return ctx
->op
.ciph
.cipher
->get_ctx_params(ctx
->op
.ciph
.ciphprovctx
,
556 const OSSL_PARAM
*EVP_PKEY_CTX_gettable_params(EVP_PKEY_CTX
*ctx
)
558 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)
559 && ctx
->op
.sig
.signature
!= NULL
560 && ctx
->op
.sig
.signature
->gettable_ctx_params
!= NULL
)
561 return ctx
->op
.sig
.signature
->gettable_ctx_params();
563 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)
564 && ctx
->op
.ciph
.cipher
!= NULL
565 && ctx
->op
.ciph
.cipher
->gettable_ctx_params
!= NULL
)
566 return ctx
->op
.ciph
.cipher
->gettable_ctx_params();
571 int EVP_PKEY_CTX_set_params(EVP_PKEY_CTX
*ctx
, OSSL_PARAM
*params
)
573 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx
)
574 && ctx
->op
.kex
.exchprovctx
!= NULL
575 && ctx
->op
.kex
.exchange
!= NULL
576 && ctx
->op
.kex
.exchange
->set_ctx_params
!= NULL
)
577 return ctx
->op
.kex
.exchange
->set_ctx_params(ctx
->op
.kex
.exchprovctx
,
579 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)
580 && ctx
->op
.sig
.sigprovctx
!= NULL
581 && ctx
->op
.sig
.signature
!= NULL
582 && ctx
->op
.sig
.signature
->set_ctx_params
!= NULL
)
583 return ctx
->op
.sig
.signature
->set_ctx_params(ctx
->op
.sig
.sigprovctx
,
585 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)
586 && ctx
->op
.ciph
.ciphprovctx
!= NULL
587 && ctx
->op
.ciph
.cipher
!= NULL
588 && ctx
->op
.ciph
.cipher
->set_ctx_params
!= NULL
)
589 return ctx
->op
.ciph
.cipher
->set_ctx_params(ctx
->op
.ciph
.ciphprovctx
,
594 const OSSL_PARAM
*EVP_PKEY_CTX_settable_params(EVP_PKEY_CTX
*ctx
)
596 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx
)
597 && ctx
->op
.kex
.exchange
!= NULL
598 && ctx
->op
.kex
.exchange
->settable_ctx_params
!= NULL
)
599 return ctx
->op
.kex
.exchange
->settable_ctx_params();
600 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)
601 && ctx
->op
.sig
.signature
!= NULL
602 && ctx
->op
.sig
.signature
->settable_ctx_params
!= NULL
)
603 return ctx
->op
.sig
.signature
->settable_ctx_params();
604 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)
605 && ctx
->op
.ciph
.cipher
!= NULL
606 && ctx
->op
.ciph
.cipher
->settable_ctx_params
!= NULL
)
607 return ctx
->op
.ciph
.cipher
->settable_ctx_params();
612 #ifndef OPENSSL_NO_DH
613 int EVP_PKEY_CTX_set_dh_pad(EVP_PKEY_CTX
*ctx
, int pad
)
615 OSSL_PARAM dh_pad_params
[2];
616 unsigned int upad
= pad
;
618 /* We use EVP_PKEY_CTX_ctrl return values */
619 if (ctx
== NULL
|| !EVP_PKEY_CTX_IS_DERIVE_OP(ctx
)) {
620 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
624 /* TODO(3.0): Remove this eventually when no more legacy */
625 if (ctx
->op
.kex
.exchprovctx
== NULL
)
626 return EVP_PKEY_CTX_ctrl(ctx
, EVP_PKEY_DH
, EVP_PKEY_OP_DERIVE
,
627 EVP_PKEY_CTRL_DH_PAD
, pad
, NULL
);
629 dh_pad_params
[0] = OSSL_PARAM_construct_uint(OSSL_EXCHANGE_PARAM_PAD
, &upad
);
630 dh_pad_params
[1] = OSSL_PARAM_construct_end();
632 return EVP_PKEY_CTX_set_params(ctx
, dh_pad_params
);
636 int EVP_PKEY_CTX_get_signature_md(EVP_PKEY_CTX
*ctx
, const EVP_MD
**md
)
638 OSSL_PARAM sig_md_params
[3], *p
= sig_md_params
;
639 /* 80 should be big enough */
643 if (ctx
== NULL
|| !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)) {
644 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
645 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
649 /* TODO(3.0): Remove this eventually when no more legacy */
650 if (ctx
->op
.sig
.sigprovctx
== NULL
)
651 return EVP_PKEY_CTX_ctrl(ctx
, -1, EVP_PKEY_OP_TYPE_SIG
,
652 EVP_PKEY_CTRL_GET_MD
, 0, (void *)(md
));
654 *p
++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST
,
657 *p
++ = OSSL_PARAM_construct_end();
659 if (!EVP_PKEY_CTX_get_params(ctx
, sig_md_params
))
662 tmp
= evp_get_digestbyname_ex(ctx
->libctx
, name
);
671 int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX
*ctx
, const EVP_MD
*md
)
673 OSSL_PARAM sig_md_params
[3], *p
= sig_md_params
;
677 if (ctx
== NULL
|| !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)) {
678 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
679 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
683 /* TODO(3.0): Remove this eventually when no more legacy */
684 if (ctx
->op
.sig
.sigprovctx
== NULL
)
685 return EVP_PKEY_CTX_ctrl(ctx
, -1, EVP_PKEY_OP_TYPE_SIG
,
686 EVP_PKEY_CTRL_MD
, 0, (void *)(md
));
692 mdsize
= EVP_MD_size(md
);
693 name
= EVP_MD_name(md
);
696 *p
++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST
,
698 * Cast away the const. This is read
699 * only so should be safe
703 *p
++ = OSSL_PARAM_construct_size_t(OSSL_SIGNATURE_PARAM_DIGEST_SIZE
,
705 *p
++ = OSSL_PARAM_construct_end();
707 return EVP_PKEY_CTX_set_params(ctx
, sig_md_params
);
710 static int legacy_ctrl_to_param(EVP_PKEY_CTX
*ctx
, int keytype
, int optype
,
711 int cmd
, int p1
, void *p2
)
714 #ifndef OPENSSL_NO_DH
715 case EVP_PKEY_CTRL_DH_PAD
:
716 return EVP_PKEY_CTX_set_dh_pad(ctx
, p1
);
718 case EVP_PKEY_CTRL_MD
:
719 return EVP_PKEY_CTX_set_signature_md(ctx
, p2
);
720 case EVP_PKEY_CTRL_GET_MD
:
721 return EVP_PKEY_CTX_get_signature_md(ctx
, p2
);
722 case EVP_PKEY_CTRL_RSA_PADDING
:
723 return EVP_PKEY_CTX_set_rsa_padding(ctx
, p1
);
724 case EVP_PKEY_CTRL_GET_RSA_PADDING
:
725 return EVP_PKEY_CTX_get_rsa_padding(ctx
, p2
);
726 case EVP_PKEY_CTRL_RSA_OAEP_MD
:
727 return EVP_PKEY_CTX_set_rsa_oaep_md(ctx
, p2
);
728 case EVP_PKEY_CTRL_GET_RSA_OAEP_MD
:
729 return EVP_PKEY_CTX_get_rsa_oaep_md(ctx
, p2
);
730 case EVP_PKEY_CTRL_RSA_MGF1_MD
:
731 return EVP_PKEY_CTX_set_rsa_oaep_md(ctx
, p2
);
732 case EVP_PKEY_CTRL_GET_RSA_MGF1_MD
:
733 return EVP_PKEY_CTX_get_rsa_oaep_md(ctx
, p2
);
734 case EVP_PKEY_CTRL_RSA_OAEP_LABEL
:
735 return EVP_PKEY_CTX_set0_rsa_oaep_label(ctx
, p2
, p1
);
736 case EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL
:
737 return EVP_PKEY_CTX_get0_rsa_oaep_label(ctx
, (unsigned char **)p2
);
738 case EVP_PKEY_CTRL_PKCS7_ENCRYPT
:
739 case EVP_PKEY_CTRL_PKCS7_DECRYPT
:
740 #ifndef OPENSSL_NO_CMS
741 case EVP_PKEY_CTRL_CMS_DECRYPT
:
742 case EVP_PKEY_CTRL_CMS_ENCRYPT
:
744 if (ctx
->pmeth
->pkey_id
!= EVP_PKEY_RSA_PSS
)
746 ERR_raise(ERR_LIB_EVP
,
747 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE
);
753 int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX
*ctx
, int keytype
, int optype
,
754 int cmd
, int p1
, void *p2
)
759 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL
, EVP_R_COMMAND_NOT_SUPPORTED
);
763 if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx
) && ctx
->op
.kex
.exchprovctx
!= NULL
)
764 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)
765 && ctx
->op
.sig
.sigprovctx
!= NULL
)
766 || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)
767 && ctx
->op
.ciph
.ciphprovctx
!= NULL
))
768 return legacy_ctrl_to_param(ctx
, keytype
, optype
, cmd
, p1
, p2
);
770 if (ctx
->pmeth
== NULL
|| ctx
->pmeth
->ctrl
== NULL
) {
771 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL
, EVP_R_COMMAND_NOT_SUPPORTED
);
774 if ((keytype
!= -1) && (ctx
->pmeth
->pkey_id
!= keytype
))
777 /* Skip the operation checks since this is called in a very early stage */
778 if (ctx
->pmeth
->digest_custom
!= NULL
)
781 if (ctx
->operation
== EVP_PKEY_OP_UNDEFINED
) {
782 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL
, EVP_R_NO_OPERATION_SET
);
786 if ((optype
!= -1) && !(ctx
->operation
& optype
)) {
787 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL
, EVP_R_INVALID_OPERATION
);
792 ret
= ctx
->pmeth
->ctrl(ctx
, cmd
, p1
, p2
);
795 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL
, EVP_R_COMMAND_NOT_SUPPORTED
);
800 int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX
*ctx
, int keytype
, int optype
,
801 int cmd
, uint64_t value
)
803 return EVP_PKEY_CTX_ctrl(ctx
, keytype
, optype
, cmd
, 0, &value
);
806 static int legacy_ctrl_str_to_param(EVP_PKEY_CTX
*ctx
, const char *name
,
809 #ifndef OPENSSL_NO_DH
810 if (strcmp(name
, "dh_pad") == 0) {
814 return EVP_PKEY_CTX_set_dh_pad(ctx
, pad
);
817 if (strcmp(name
, "digest") == 0) {
821 if (!EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
) || ctx
->op
.sig
.signature
== NULL
)
823 md
= EVP_MD_fetch(ossl_provider_library_context(ctx
->op
.sig
.signature
->prov
),
827 ret
= EVP_PKEY_CTX_set_signature_md(ctx
, md
);
828 EVP_MD_meth_free(md
);
832 if (strcmp(name
, "rsa_padding_mode") == 0) {
835 if (strcmp(value
, "pkcs1") == 0) {
836 pm
= RSA_PKCS1_PADDING
;
837 } else if (strcmp(value
, "sslv23") == 0) {
838 pm
= RSA_SSLV23_PADDING
;
839 } else if (strcmp(value
, "none") == 0) {
841 } else if (strcmp(value
, "oeap") == 0) {
842 pm
= RSA_PKCS1_OAEP_PADDING
;
843 } else if (strcmp(value
, "oaep") == 0) {
844 pm
= RSA_PKCS1_OAEP_PADDING
;
845 } else if (strcmp(value
, "x931") == 0) {
846 pm
= RSA_X931_PADDING
;
847 } else if (strcmp(value
, "pss") == 0) {
848 pm
= RSA_PKCS1_PSS_PADDING
;
850 ERR_raise(ERR_LIB_RSA
, RSA_R_UNKNOWN_PADDING_TYPE
);
853 return EVP_PKEY_CTX_set_rsa_padding(ctx
, pm
);
856 if (strcmp(name
, "rsa_mgf1_md") == 0)
857 return EVP_PKEY_CTX_set_rsa_mgf1_md_name(ctx
, value
, NULL
);
859 if (strcmp(name
, "rsa_oaep_md") == 0)
860 return EVP_PKEY_CTX_set_rsa_oaep_md_name(ctx
, value
, NULL
);
862 if (strcmp(name
, "rsa_oaep_label") == 0) {
867 lab
= OPENSSL_hexstr2buf(value
, &lablen
);
870 ret
= EVP_PKEY_CTX_set0_rsa_oaep_label(ctx
, lab
, lablen
);
881 int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX
*ctx
,
882 const char *name
, const char *value
)
885 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR
, EVP_R_COMMAND_NOT_SUPPORTED
);
889 if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx
) && ctx
->op
.kex
.exchprovctx
!= NULL
)
890 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)
891 && ctx
->op
.sig
.sigprovctx
!= NULL
)
892 || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)
893 && ctx
->op
.ciph
.ciphprovctx
!= NULL
))
894 return legacy_ctrl_str_to_param(ctx
, name
, value
);
896 if (!ctx
|| !ctx
->pmeth
|| !ctx
->pmeth
->ctrl_str
) {
897 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR
, EVP_R_COMMAND_NOT_SUPPORTED
);
900 if (strcmp(name
, "digest") == 0)
901 return EVP_PKEY_CTX_md(ctx
, EVP_PKEY_OP_TYPE_SIG
, EVP_PKEY_CTRL_MD
,
903 return ctx
->pmeth
->ctrl_str(ctx
, name
, value
);
906 /* Utility functions to send a string of hex string to a ctrl */
908 int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX
*ctx
, int cmd
, const char *str
)
915 return ctx
->pmeth
->ctrl(ctx
, cmd
, len
, (void *)str
);
918 int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX
*ctx
, int cmd
, const char *hex
)
924 bin
= OPENSSL_hexstr2buf(hex
, &binlen
);
927 if (binlen
<= INT_MAX
)
928 rv
= ctx
->pmeth
->ctrl(ctx
, cmd
, binlen
, bin
);
933 /* Pass a message digest to a ctrl */
934 int EVP_PKEY_CTX_md(EVP_PKEY_CTX
*ctx
, int optype
, int cmd
, const char *md
)
938 if (md
== NULL
|| (m
= EVP_get_digestbyname(md
)) == NULL
) {
939 EVPerr(EVP_F_EVP_PKEY_CTX_MD
, EVP_R_INVALID_DIGEST
);
942 return EVP_PKEY_CTX_ctrl(ctx
, -1, optype
, cmd
, 0, (void *)m
);
945 int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX
*ctx
)
947 return ctx
->operation
;
950 void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX
*ctx
, int *dat
, int datlen
)
952 ctx
->keygen_info
= dat
;
953 ctx
->keygen_info_count
= datlen
;
956 void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX
*ctx
, void *data
)
961 void *EVP_PKEY_CTX_get_data(const EVP_PKEY_CTX
*ctx
)
966 EVP_PKEY
*EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX
*ctx
)
971 EVP_PKEY
*EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX
*ctx
)
976 void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX
*ctx
, void *data
)
978 ctx
->app_data
= data
;
981 void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX
*ctx
)
983 return ctx
->app_data
;
986 void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD
*pmeth
,
987 int (*init
) (EVP_PKEY_CTX
*ctx
))
992 void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD
*pmeth
,
993 int (*copy
) (EVP_PKEY_CTX
*dst
,
994 const EVP_PKEY_CTX
*src
))
999 void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD
*pmeth
,
1000 void (*cleanup
) (EVP_PKEY_CTX
*ctx
))
1002 pmeth
->cleanup
= cleanup
;
1005 void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD
*pmeth
,
1006 int (*paramgen_init
) (EVP_PKEY_CTX
*ctx
),
1007 int (*paramgen
) (EVP_PKEY_CTX
*ctx
,
1010 pmeth
->paramgen_init
= paramgen_init
;
1011 pmeth
->paramgen
= paramgen
;
1014 void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD
*pmeth
,
1015 int (*keygen_init
) (EVP_PKEY_CTX
*ctx
),
1016 int (*keygen
) (EVP_PKEY_CTX
*ctx
,
1019 pmeth
->keygen_init
= keygen_init
;
1020 pmeth
->keygen
= keygen
;
1023 void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD
*pmeth
,
1024 int (*sign_init
) (EVP_PKEY_CTX
*ctx
),
1025 int (*sign
) (EVP_PKEY_CTX
*ctx
,
1026 unsigned char *sig
, size_t *siglen
,
1027 const unsigned char *tbs
,
1030 pmeth
->sign_init
= sign_init
;
1034 void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD
*pmeth
,
1035 int (*verify_init
) (EVP_PKEY_CTX
*ctx
),
1036 int (*verify
) (EVP_PKEY_CTX
*ctx
,
1037 const unsigned char *sig
,
1039 const unsigned char *tbs
,
1042 pmeth
->verify_init
= verify_init
;
1043 pmeth
->verify
= verify
;
1046 void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD
*pmeth
,
1047 int (*verify_recover_init
) (EVP_PKEY_CTX
1049 int (*verify_recover
) (EVP_PKEY_CTX
1058 pmeth
->verify_recover_init
= verify_recover_init
;
1059 pmeth
->verify_recover
= verify_recover
;
1062 void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD
*pmeth
,
1063 int (*signctx_init
) (EVP_PKEY_CTX
*ctx
,
1065 int (*signctx
) (EVP_PKEY_CTX
*ctx
,
1070 pmeth
->signctx_init
= signctx_init
;
1071 pmeth
->signctx
= signctx
;
1074 void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD
*pmeth
,
1075 int (*verifyctx_init
) (EVP_PKEY_CTX
*ctx
,
1077 int (*verifyctx
) (EVP_PKEY_CTX
*ctx
,
1078 const unsigned char *sig
,
1082 pmeth
->verifyctx_init
= verifyctx_init
;
1083 pmeth
->verifyctx
= verifyctx
;
1086 void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD
*pmeth
,
1087 int (*encrypt_init
) (EVP_PKEY_CTX
*ctx
),
1088 int (*encryptfn
) (EVP_PKEY_CTX
*ctx
,
1091 const unsigned char *in
,
1094 pmeth
->encrypt_init
= encrypt_init
;
1095 pmeth
->encrypt
= encryptfn
;
1098 void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD
*pmeth
,
1099 int (*decrypt_init
) (EVP_PKEY_CTX
*ctx
),
1100 int (*decrypt
) (EVP_PKEY_CTX
*ctx
,
1103 const unsigned char *in
,
1106 pmeth
->decrypt_init
= decrypt_init
;
1107 pmeth
->decrypt
= decrypt
;
1110 void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD
*pmeth
,
1111 int (*derive_init
) (EVP_PKEY_CTX
*ctx
),
1112 int (*derive
) (EVP_PKEY_CTX
*ctx
,
1116 pmeth
->derive_init
= derive_init
;
1117 pmeth
->derive
= derive
;
1120 void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD
*pmeth
,
1121 int (*ctrl
) (EVP_PKEY_CTX
*ctx
, int type
, int p1
,
1123 int (*ctrl_str
) (EVP_PKEY_CTX
*ctx
,
1128 pmeth
->ctrl_str
= ctrl_str
;
1131 void EVP_PKEY_meth_set_digestsign(EVP_PKEY_METHOD
*pmeth
,
1132 int (*digestsign
) (EVP_MD_CTX
*ctx
, unsigned char *sig
, size_t *siglen
,
1133 const unsigned char *tbs
, size_t tbslen
))
1135 pmeth
->digestsign
= digestsign
;
1138 void EVP_PKEY_meth_set_digestverify(EVP_PKEY_METHOD
*pmeth
,
1139 int (*digestverify
) (EVP_MD_CTX
*ctx
, const unsigned char *sig
,
1140 size_t siglen
, const unsigned char *tbs
,
1143 pmeth
->digestverify
= digestverify
;
1146 void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD
*pmeth
,
1147 int (*check
) (EVP_PKEY
*pkey
))
1149 pmeth
->check
= check
;
1152 void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD
*pmeth
,
1153 int (*check
) (EVP_PKEY
*pkey
))
1155 pmeth
->public_check
= check
;
1158 void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD
*pmeth
,
1159 int (*check
) (EVP_PKEY
*pkey
))
1161 pmeth
->param_check
= check
;
1164 void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD
*pmeth
,
1165 int (*digest_custom
) (EVP_PKEY_CTX
*ctx
,
1168 pmeth
->digest_custom
= digest_custom
;
1171 void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD
*pmeth
,
1172 int (**pinit
) (EVP_PKEY_CTX
*ctx
))
1174 *pinit
= pmeth
->init
;
1177 void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD
*pmeth
,
1178 int (**pcopy
) (EVP_PKEY_CTX
*dst
,
1179 const EVP_PKEY_CTX
*src
))
1181 *pcopy
= pmeth
->copy
;
1184 void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD
*pmeth
,
1185 void (**pcleanup
) (EVP_PKEY_CTX
*ctx
))
1187 *pcleanup
= pmeth
->cleanup
;
1190 void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD
*pmeth
,
1191 int (**pparamgen_init
) (EVP_PKEY_CTX
*ctx
),
1192 int (**pparamgen
) (EVP_PKEY_CTX
*ctx
,
1196 *pparamgen_init
= pmeth
->paramgen_init
;
1198 *pparamgen
= pmeth
->paramgen
;
1201 void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD
*pmeth
,
1202 int (**pkeygen_init
) (EVP_PKEY_CTX
*ctx
),
1203 int (**pkeygen
) (EVP_PKEY_CTX
*ctx
,
1207 *pkeygen_init
= pmeth
->keygen_init
;
1209 *pkeygen
= pmeth
->keygen
;
1212 void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD
*pmeth
,
1213 int (**psign_init
) (EVP_PKEY_CTX
*ctx
),
1214 int (**psign
) (EVP_PKEY_CTX
*ctx
,
1215 unsigned char *sig
, size_t *siglen
,
1216 const unsigned char *tbs
,
1220 *psign_init
= pmeth
->sign_init
;
1222 *psign
= pmeth
->sign
;
1225 void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD
*pmeth
,
1226 int (**pverify_init
) (EVP_PKEY_CTX
*ctx
),
1227 int (**pverify
) (EVP_PKEY_CTX
*ctx
,
1228 const unsigned char *sig
,
1230 const unsigned char *tbs
,
1234 *pverify_init
= pmeth
->verify_init
;
1236 *pverify
= pmeth
->verify
;
1239 void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD
*pmeth
,
1240 int (**pverify_recover_init
) (EVP_PKEY_CTX
1242 int (**pverify_recover
) (EVP_PKEY_CTX
1251 if (pverify_recover_init
)
1252 *pverify_recover_init
= pmeth
->verify_recover_init
;
1253 if (pverify_recover
)
1254 *pverify_recover
= pmeth
->verify_recover
;
1257 void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD
*pmeth
,
1258 int (**psignctx_init
) (EVP_PKEY_CTX
*ctx
,
1260 int (**psignctx
) (EVP_PKEY_CTX
*ctx
,
1266 *psignctx_init
= pmeth
->signctx_init
;
1268 *psignctx
= pmeth
->signctx
;
1271 void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD
*pmeth
,
1272 int (**pverifyctx_init
) (EVP_PKEY_CTX
*ctx
,
1274 int (**pverifyctx
) (EVP_PKEY_CTX
*ctx
,
1275 const unsigned char *sig
,
1279 if (pverifyctx_init
)
1280 *pverifyctx_init
= pmeth
->verifyctx_init
;
1282 *pverifyctx
= pmeth
->verifyctx
;
1285 void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD
*pmeth
,
1286 int (**pencrypt_init
) (EVP_PKEY_CTX
*ctx
),
1287 int (**pencryptfn
) (EVP_PKEY_CTX
*ctx
,
1290 const unsigned char *in
,
1294 *pencrypt_init
= pmeth
->encrypt_init
;
1296 *pencryptfn
= pmeth
->encrypt
;
1299 void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD
*pmeth
,
1300 int (**pdecrypt_init
) (EVP_PKEY_CTX
*ctx
),
1301 int (**pdecrypt
) (EVP_PKEY_CTX
*ctx
,
1304 const unsigned char *in
,
1308 *pdecrypt_init
= pmeth
->decrypt_init
;
1310 *pdecrypt
= pmeth
->decrypt
;
1313 void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD
*pmeth
,
1314 int (**pderive_init
) (EVP_PKEY_CTX
*ctx
),
1315 int (**pderive
) (EVP_PKEY_CTX
*ctx
,
1320 *pderive_init
= pmeth
->derive_init
;
1322 *pderive
= pmeth
->derive
;
1325 void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD
*pmeth
,
1326 int (**pctrl
) (EVP_PKEY_CTX
*ctx
, int type
, int p1
,
1328 int (**pctrl_str
) (EVP_PKEY_CTX
*ctx
,
1333 *pctrl
= pmeth
->ctrl
;
1335 *pctrl_str
= pmeth
->ctrl_str
;
1338 void EVP_PKEY_meth_get_digestsign(EVP_PKEY_METHOD
*pmeth
,
1339 int (**digestsign
) (EVP_MD_CTX
*ctx
, unsigned char *sig
, size_t *siglen
,
1340 const unsigned char *tbs
, size_t tbslen
))
1343 *digestsign
= pmeth
->digestsign
;
1346 void EVP_PKEY_meth_get_digestverify(EVP_PKEY_METHOD
*pmeth
,
1347 int (**digestverify
) (EVP_MD_CTX
*ctx
, const unsigned char *sig
,
1348 size_t siglen
, const unsigned char *tbs
,
1352 *digestverify
= pmeth
->digestverify
;
1355 void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD
*pmeth
,
1356 int (**pcheck
) (EVP_PKEY
*pkey
))
1359 *pcheck
= pmeth
->check
;
1362 void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD
*pmeth
,
1363 int (**pcheck
) (EVP_PKEY
*pkey
))
1366 *pcheck
= pmeth
->public_check
;
1369 void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD
*pmeth
,
1370 int (**pcheck
) (EVP_PKEY
*pkey
))
1373 *pcheck
= pmeth
->param_check
;
1376 void EVP_PKEY_meth_get_digest_custom(EVP_PKEY_METHOD
*pmeth
,
1377 int (**pdigest_custom
) (EVP_PKEY_CTX
*ctx
,
1380 if (pdigest_custom
!= NULL
)
1381 *pdigest_custom
= pmeth
->digest_custom
;