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"
28 typedef const EVP_PKEY_METHOD
*(*pmeth_fn
)(void);
29 typedef int sk_cmp_fn_type(const char *const *a
, const char *const *b
);
31 static STACK_OF(EVP_PKEY_METHOD
) *app_pkey_methods
= NULL
;
33 /* This array needs to be in order of NIDs */
34 static pmeth_fn standard_methods
[] = {
35 # ifndef OPENSSL_NO_RSA
38 # ifndef OPENSSL_NO_DH
41 # ifndef OPENSSL_NO_DSA
44 # ifndef OPENSSL_NO_EC
48 # ifndef OPENSSL_NO_CMAC
51 # ifndef OPENSSL_NO_RSA
54 # ifndef OPENSSL_NO_DH
57 # ifndef OPENSSL_NO_SCRYPT
61 # ifndef OPENSSL_NO_EC
66 # ifndef OPENSSL_NO_POLY1305
69 # ifndef OPENSSL_NO_SIPHASH
72 # ifndef OPENSSL_NO_EC
76 # ifndef OPENSSL_NO_SM2
81 DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD
*, pmeth_fn
, pmeth_func
);
83 static int pmeth_func_cmp(const EVP_PKEY_METHOD
*const *a
, pmeth_fn
const *b
)
85 return ((*a
)->pkey_id
- ((**b
)())->pkey_id
);
88 IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD
*, pmeth_fn
, pmeth_func
);
90 static int pmeth_cmp(const EVP_PKEY_METHOD
*const *a
,
91 const EVP_PKEY_METHOD
*const *b
)
93 return ((*a
)->pkey_id
- (*b
)->pkey_id
);
96 const EVP_PKEY_METHOD
*EVP_PKEY_meth_find(int type
)
100 const EVP_PKEY_METHOD
*t
= &tmp
;
103 if (app_pkey_methods
) {
105 idx
= sk_EVP_PKEY_METHOD_find(app_pkey_methods
, &tmp
);
107 return sk_EVP_PKEY_METHOD_value(app_pkey_methods
, idx
);
109 ret
= OBJ_bsearch_pmeth_func(&t
, standard_methods
,
110 sizeof(standard_methods
) /
112 if (ret
== NULL
|| *ret
== NULL
)
117 EVP_PKEY_METHOD
*EVP_PKEY_meth_new(int id
, int flags
)
119 EVP_PKEY_METHOD
*pmeth
;
121 pmeth
= OPENSSL_zalloc(sizeof(*pmeth
));
123 EVPerr(EVP_F_EVP_PKEY_METH_NEW
, ERR_R_MALLOC_FAILURE
);
128 pmeth
->flags
= flags
| EVP_PKEY_FLAG_DYNAMIC
;
131 #endif /* FIPS_MODE */
133 static EVP_PKEY_CTX
*int_ctx_new(OPENSSL_CTX
*libctx
,
134 EVP_PKEY
*pkey
, ENGINE
*e
,
135 const char *name
, const char *propquery
,
140 const EVP_PKEY_METHOD
*pmeth
= NULL
;
143 * When using providers, the context is bound to the algo implementation
146 if (pkey
== NULL
&& e
== NULL
&& id
== -1)
150 * If the key doesn't contain anything legacy, then it must be provided,
151 * so we extract the necessary information and use that.
153 if (pkey
!= NULL
&& pkey
->ameth
== NULL
) {
154 /* If we have an engine, something went wrong somewhere... */
155 if (!ossl_assert(e
== NULL
))
157 name
= evp_first_name(pkey
->pkeys
[0].keymgmt
->prov
,
158 pkey
->pkeys
[0].keymgmt
->name_id
);
160 * TODO: I wonder if the EVP_PKEY should have the name and propquery
161 * that were used when building it.... /RL
166 /* TODO(3.0) Legacy code should be removed when all is provider based */
175 * Here, we extract what information we can for the purpose of
176 * supporting usage with implementations from providers, to make
177 * for a smooth transition from legacy stuff to provider based stuff.
179 * If an engine is given, this is entirely legacy, and we should not
180 * pretend anything else, so we only set the name when no engine is
181 * given. If both are already given, someone made a mistake, and
182 * since that can only happen internally, it's safe to make an
185 if (!ossl_assert(e
== NULL
|| name
== NULL
))
188 name
= OBJ_nid2sn(id
);
191 * We were called using legacy data, or an EVP_PKEY, but an EVP_PKEY
192 * isn't tied to a specific library context, so we fall back to the
193 * default library context.
194 * TODO(v3.0): an EVP_PKEY that doesn't originate from a leagacy key
195 * structure only has the pkeys[] cache, where the first element is
196 * considered the "origin". Investigate if that could be a suitable
197 * way to find a library context.
201 # ifndef OPENSSL_NO_ENGINE
202 if (e
== NULL
&& pkey
!= NULL
)
203 e
= pkey
->pmeth_engine
!= NULL
? pkey
->pmeth_engine
: pkey
->engine
;
204 /* Try to find an ENGINE which implements this method */
206 if (!ENGINE_init(e
)) {
207 EVPerr(EVP_F_INT_CTX_NEW
, ERR_R_ENGINE_LIB
);
211 e
= ENGINE_get_pkey_meth_engine(id
);
215 * If an ENGINE handled this method look it up. Otherwise use internal
219 pmeth
= ENGINE_get_pkey_meth(e
, id
);
222 pmeth
= EVP_PKEY_meth_find(id
);
225 # ifndef OPENSSL_NO_ENGINE
228 EVPerr(EVP_F_INT_CTX_NEW
, EVP_R_UNSUPPORTED_ALGORITHM
);
232 #endif /* FIPS_MODE */
234 ret
= OPENSSL_zalloc(sizeof(*ret
));
236 #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODE)
239 EVPerr(EVP_F_INT_CTX_NEW
, ERR_R_MALLOC_FAILURE
);
242 ret
->libctx
= libctx
;
244 ret
->propquery
= propquery
;
247 ret
->operation
= EVP_PKEY_OP_UNDEFINED
;
250 EVP_PKEY_up_ref(pkey
);
252 if (pmeth
!= NULL
&& pmeth
->init
!= NULL
) {
253 if (pmeth
->init(ret
) <= 0) {
255 EVP_PKEY_CTX_free(ret
);
263 /*- All methods below can also be used in FIPS_MODE */
265 EVP_PKEY_CTX
*EVP_PKEY_CTX_new_from_name(OPENSSL_CTX
*libctx
,
267 const char *propquery
)
269 return int_ctx_new(libctx
, NULL
, NULL
, name
, propquery
, -1);
272 EVP_PKEY_CTX
*EVP_PKEY_CTX_new_from_pkey(OPENSSL_CTX
*libctx
, EVP_PKEY
*pkey
)
274 return int_ctx_new(libctx
, pkey
, NULL
, NULL
, NULL
, -1);
277 void evp_pkey_ctx_free_old_ops(EVP_PKEY_CTX
*ctx
)
279 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)) {
280 if (ctx
->op
.sig
.sigprovctx
!= NULL
&& ctx
->op
.sig
.signature
!= NULL
)
281 ctx
->op
.sig
.signature
->freectx(ctx
->op
.sig
.sigprovctx
);
282 EVP_SIGNATURE_free(ctx
->op
.sig
.signature
);
283 ctx
->op
.sig
.sigprovctx
= NULL
;
284 ctx
->op
.sig
.signature
= NULL
;
286 /* TODO(3.0): add dependancies and uncomment this when available for fips mode */
288 else if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx
)) {
289 if (ctx
->op
.kex
.exchprovctx
!= NULL
&& ctx
->op
.kex
.exchange
!= NULL
)
290 ctx
->op
.kex
.exchange
->freectx(ctx
->op
.kex
.exchprovctx
);
291 EVP_KEYEXCH_free(ctx
->op
.kex
.exchange
);
292 ctx
->op
.kex
.exchprovctx
= NULL
;
293 ctx
->op
.kex
.exchange
= NULL
;
294 } else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)) {
295 if (ctx
->op
.ciph
.ciphprovctx
!= NULL
&& ctx
->op
.ciph
.cipher
!= NULL
)
296 ctx
->op
.ciph
.cipher
->freectx(ctx
->op
.ciph
.ciphprovctx
);
297 EVP_ASYM_CIPHER_free(ctx
->op
.ciph
.cipher
);
298 ctx
->op
.ciph
.ciphprovctx
= NULL
;
299 ctx
->op
.ciph
.cipher
= NULL
;
304 void EVP_PKEY_CTX_free(EVP_PKEY_CTX
*ctx
)
308 if (ctx
->pmeth
&& ctx
->pmeth
->cleanup
)
309 ctx
->pmeth
->cleanup(ctx
);
311 evp_pkey_ctx_free_old_ops(ctx
);
312 EVP_KEYMGMT_free(ctx
->keymgmt
);
314 EVP_PKEY_free(ctx
->pkey
);
315 EVP_PKEY_free(ctx
->peerkey
);
316 #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODE)
317 ENGINE_finish(ctx
->engine
);
324 void EVP_PKEY_meth_get0_info(int *ppkey_id
, int *pflags
,
325 const EVP_PKEY_METHOD
*meth
)
328 *ppkey_id
= meth
->pkey_id
;
330 *pflags
= meth
->flags
;
333 void EVP_PKEY_meth_copy(EVP_PKEY_METHOD
*dst
, const EVP_PKEY_METHOD
*src
)
336 dst
->init
= src
->init
;
337 dst
->copy
= src
->copy
;
338 dst
->cleanup
= src
->cleanup
;
340 dst
->paramgen_init
= src
->paramgen_init
;
341 dst
->paramgen
= src
->paramgen
;
343 dst
->keygen_init
= src
->keygen_init
;
344 dst
->keygen
= src
->keygen
;
346 dst
->sign_init
= src
->sign_init
;
347 dst
->sign
= src
->sign
;
349 dst
->verify_init
= src
->verify_init
;
350 dst
->verify
= src
->verify
;
352 dst
->verify_recover_init
= src
->verify_recover_init
;
353 dst
->verify_recover
= src
->verify_recover
;
355 dst
->signctx_init
= src
->signctx_init
;
356 dst
->signctx
= src
->signctx
;
358 dst
->verifyctx_init
= src
->verifyctx_init
;
359 dst
->verifyctx
= src
->verifyctx
;
361 dst
->encrypt_init
= src
->encrypt_init
;
362 dst
->encrypt
= src
->encrypt
;
364 dst
->decrypt_init
= src
->decrypt_init
;
365 dst
->decrypt
= src
->decrypt
;
367 dst
->derive_init
= src
->derive_init
;
368 dst
->derive
= src
->derive
;
370 dst
->ctrl
= src
->ctrl
;
371 dst
->ctrl_str
= src
->ctrl_str
;
373 dst
->check
= src
->check
;
376 void EVP_PKEY_meth_free(EVP_PKEY_METHOD
*pmeth
)
378 if (pmeth
&& (pmeth
->flags
& EVP_PKEY_FLAG_DYNAMIC
))
382 EVP_PKEY_CTX
*EVP_PKEY_CTX_new(EVP_PKEY
*pkey
, ENGINE
*e
)
384 return int_ctx_new(NULL
, pkey
, e
, NULL
, NULL
, -1);
387 EVP_PKEY_CTX
*EVP_PKEY_CTX_new_id(int id
, ENGINE
*e
)
389 return int_ctx_new(NULL
, NULL
, e
, NULL
, NULL
, id
);
393 EVP_PKEY_CTX
*EVP_PKEY_CTX_dup(const EVP_PKEY_CTX
*pctx
)
397 if (((pctx
->pmeth
== NULL
) || (pctx
->pmeth
->copy
== NULL
))
398 && ((EVP_PKEY_CTX_IS_DERIVE_OP(pctx
)
399 && pctx
->op
.kex
.exchprovctx
== NULL
)
400 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx
)
401 && pctx
->op
.sig
.sigprovctx
== NULL
)))
403 # ifndef OPENSSL_NO_ENGINE
404 /* Make sure it's safe to copy a pkey context using an ENGINE */
405 if (pctx
->engine
&& !ENGINE_init(pctx
->engine
)) {
406 EVPerr(EVP_F_EVP_PKEY_CTX_DUP
, ERR_R_ENGINE_LIB
);
410 rctx
= OPENSSL_zalloc(sizeof(*rctx
));
412 EVPerr(EVP_F_EVP_PKEY_CTX_DUP
, ERR_R_MALLOC_FAILURE
);
416 if (pctx
->pkey
!= NULL
)
417 EVP_PKEY_up_ref(pctx
->pkey
);
418 rctx
->pkey
= pctx
->pkey
;
419 rctx
->operation
= pctx
->operation
;
420 rctx
->libctx
= pctx
->libctx
;
421 rctx
->keytype
= pctx
->keytype
;
422 rctx
->propquery
= pctx
->propquery
;
424 if (EVP_PKEY_CTX_IS_DERIVE_OP(pctx
)) {
425 if (pctx
->op
.kex
.exchange
!= NULL
) {
426 rctx
->op
.kex
.exchange
= pctx
->op
.kex
.exchange
;
427 if (!EVP_KEYEXCH_up_ref(rctx
->op
.kex
.exchange
)) {
432 if (pctx
->op
.kex
.exchprovctx
!= NULL
) {
433 if (!ossl_assert(pctx
->op
.kex
.exchange
!= NULL
))
435 rctx
->op
.kex
.exchprovctx
436 = pctx
->op
.kex
.exchange
->dupctx(pctx
->op
.kex
.exchprovctx
);
437 if (rctx
->op
.kex
.exchprovctx
== NULL
) {
438 EVP_KEYEXCH_free(rctx
->op
.kex
.exchange
);
444 } else if (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx
)) {
445 if (pctx
->op
.sig
.signature
!= NULL
) {
446 rctx
->op
.sig
.signature
= pctx
->op
.sig
.signature
;
447 if (!EVP_SIGNATURE_up_ref(rctx
->op
.sig
.signature
)) {
452 if (pctx
->op
.sig
.sigprovctx
!= NULL
) {
453 if (!ossl_assert(pctx
->op
.sig
.signature
!= NULL
))
455 rctx
->op
.sig
.sigprovctx
456 = pctx
->op
.sig
.signature
->dupctx(pctx
->op
.sig
.sigprovctx
);
457 if (rctx
->op
.sig
.sigprovctx
== NULL
) {
458 EVP_SIGNATURE_free(rctx
->op
.sig
.signature
);
464 } else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(pctx
)) {
465 if (pctx
->op
.ciph
.cipher
!= NULL
) {
466 rctx
->op
.ciph
.cipher
= pctx
->op
.ciph
.cipher
;
467 if (!EVP_ASYM_CIPHER_up_ref(rctx
->op
.ciph
.cipher
)) {
472 if (pctx
->op
.ciph
.ciphprovctx
!= NULL
) {
473 if (!ossl_assert(pctx
->op
.ciph
.cipher
!= NULL
))
475 rctx
->op
.ciph
.ciphprovctx
476 = pctx
->op
.ciph
.cipher
->dupctx(pctx
->op
.ciph
.ciphprovctx
);
477 if (rctx
->op
.ciph
.ciphprovctx
== NULL
) {
478 EVP_ASYM_CIPHER_free(rctx
->op
.ciph
.cipher
);
486 rctx
->pmeth
= pctx
->pmeth
;
487 # ifndef OPENSSL_NO_ENGINE
488 rctx
->engine
= pctx
->engine
;
492 EVP_PKEY_up_ref(pctx
->peerkey
);
493 rctx
->peerkey
= pctx
->peerkey
;
495 if (pctx
->pmeth
->copy(rctx
, pctx
) > 0)
499 EVP_PKEY_CTX_free(rctx
);
504 int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD
*pmeth
)
506 if (app_pkey_methods
== NULL
) {
507 app_pkey_methods
= sk_EVP_PKEY_METHOD_new(pmeth_cmp
);
508 if (app_pkey_methods
== NULL
){
509 EVPerr(EVP_F_EVP_PKEY_METH_ADD0
, ERR_R_MALLOC_FAILURE
);
513 if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods
, pmeth
)) {
514 EVPerr(EVP_F_EVP_PKEY_METH_ADD0
, ERR_R_MALLOC_FAILURE
);
517 sk_EVP_PKEY_METHOD_sort(app_pkey_methods
);
521 void evp_app_cleanup_int(void)
523 if (app_pkey_methods
!= NULL
)
524 sk_EVP_PKEY_METHOD_pop_free(app_pkey_methods
, EVP_PKEY_meth_free
);
527 int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD
*pmeth
)
529 const EVP_PKEY_METHOD
*ret
;
531 ret
= sk_EVP_PKEY_METHOD_delete_ptr(app_pkey_methods
, pmeth
);
533 return ret
== NULL
? 0 : 1;
536 size_t EVP_PKEY_meth_get_count(void)
538 size_t rv
= OSSL_NELEM(standard_methods
);
540 if (app_pkey_methods
)
541 rv
+= sk_EVP_PKEY_METHOD_num(app_pkey_methods
);
545 const EVP_PKEY_METHOD
*EVP_PKEY_meth_get0(size_t idx
)
547 if (idx
< OSSL_NELEM(standard_methods
))
548 return (standard_methods
[idx
])();
549 if (app_pkey_methods
== NULL
)
551 idx
-= OSSL_NELEM(standard_methods
);
552 if (idx
>= (size_t)sk_EVP_PKEY_METHOD_num(app_pkey_methods
))
554 return sk_EVP_PKEY_METHOD_value(app_pkey_methods
, idx
);
558 int EVP_PKEY_CTX_set_params(EVP_PKEY_CTX
*ctx
, OSSL_PARAM
*params
)
560 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx
)
561 && ctx
->op
.kex
.exchprovctx
!= NULL
562 && ctx
->op
.kex
.exchange
!= NULL
563 && ctx
->op
.kex
.exchange
->set_ctx_params
!= NULL
)
564 return ctx
->op
.kex
.exchange
->set_ctx_params(ctx
->op
.kex
.exchprovctx
,
566 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)
567 && ctx
->op
.sig
.sigprovctx
!= NULL
568 && ctx
->op
.sig
.signature
!= NULL
569 && ctx
->op
.sig
.signature
->set_ctx_params
!= NULL
)
570 return ctx
->op
.sig
.signature
->set_ctx_params(ctx
->op
.sig
.sigprovctx
,
572 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)
573 && ctx
->op
.ciph
.ciphprovctx
!= NULL
574 && ctx
->op
.ciph
.cipher
!= NULL
575 && ctx
->op
.ciph
.cipher
->set_ctx_params
!= NULL
)
576 return ctx
->op
.ciph
.cipher
->set_ctx_params(ctx
->op
.ciph
.ciphprovctx
,
582 int EVP_PKEY_CTX_get_params(EVP_PKEY_CTX
*ctx
, OSSL_PARAM
*params
)
584 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)
585 && ctx
->op
.sig
.sigprovctx
!= NULL
586 && ctx
->op
.sig
.signature
!= NULL
587 && ctx
->op
.sig
.signature
->get_ctx_params
!= NULL
)
588 return ctx
->op
.sig
.signature
->get_ctx_params(ctx
->op
.sig
.sigprovctx
,
590 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)
591 && ctx
->op
.ciph
.ciphprovctx
!= NULL
592 && ctx
->op
.ciph
.cipher
!= NULL
593 && ctx
->op
.ciph
.cipher
->get_ctx_params
!= NULL
)
594 return ctx
->op
.ciph
.cipher
->get_ctx_params(ctx
->op
.ciph
.ciphprovctx
,
599 const OSSL_PARAM
*EVP_PKEY_CTX_gettable_params(EVP_PKEY_CTX
*ctx
)
601 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)
602 && ctx
->op
.sig
.signature
!= NULL
603 && ctx
->op
.sig
.signature
->gettable_ctx_params
!= NULL
)
604 return ctx
->op
.sig
.signature
->gettable_ctx_params();
606 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)
607 && ctx
->op
.ciph
.cipher
!= NULL
608 && ctx
->op
.ciph
.cipher
->gettable_ctx_params
!= NULL
)
609 return ctx
->op
.ciph
.cipher
->gettable_ctx_params();
614 const OSSL_PARAM
*EVP_PKEY_CTX_settable_params(EVP_PKEY_CTX
*ctx
)
616 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx
)
617 && ctx
->op
.kex
.exchange
!= NULL
618 && ctx
->op
.kex
.exchange
->settable_ctx_params
!= NULL
)
619 return ctx
->op
.kex
.exchange
->settable_ctx_params();
620 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)
621 && ctx
->op
.sig
.signature
!= NULL
622 && ctx
->op
.sig
.signature
->settable_ctx_params
!= NULL
)
623 return ctx
->op
.sig
.signature
->settable_ctx_params();
624 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)
625 && ctx
->op
.ciph
.cipher
!= NULL
626 && ctx
->op
.ciph
.cipher
->settable_ctx_params
!= NULL
)
627 return ctx
->op
.ciph
.cipher
->settable_ctx_params();
632 # ifndef OPENSSL_NO_DH
633 int EVP_PKEY_CTX_set_dh_pad(EVP_PKEY_CTX
*ctx
, int pad
)
635 OSSL_PARAM dh_pad_params
[2];
636 unsigned int upad
= pad
;
638 /* We use EVP_PKEY_CTX_ctrl return values */
639 if (ctx
== NULL
|| !EVP_PKEY_CTX_IS_DERIVE_OP(ctx
)) {
640 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
644 /* TODO(3.0): Remove this eventually when no more legacy */
645 if (ctx
->op
.kex
.exchprovctx
== NULL
)
646 return EVP_PKEY_CTX_ctrl(ctx
, EVP_PKEY_DH
, EVP_PKEY_OP_DERIVE
,
647 EVP_PKEY_CTRL_DH_PAD
, pad
, NULL
);
649 dh_pad_params
[0] = OSSL_PARAM_construct_uint(OSSL_EXCHANGE_PARAM_PAD
, &upad
);
650 dh_pad_params
[1] = OSSL_PARAM_construct_end();
652 return EVP_PKEY_CTX_set_params(ctx
, dh_pad_params
);
656 int EVP_PKEY_CTX_get_signature_md(EVP_PKEY_CTX
*ctx
, const EVP_MD
**md
)
658 OSSL_PARAM sig_md_params
[3], *p
= sig_md_params
;
659 /* 80 should be big enough */
663 if (ctx
== NULL
|| !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)) {
664 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
665 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
669 /* TODO(3.0): Remove this eventually when no more legacy */
670 if (ctx
->op
.sig
.sigprovctx
== NULL
)
671 return EVP_PKEY_CTX_ctrl(ctx
, -1, EVP_PKEY_OP_TYPE_SIG
,
672 EVP_PKEY_CTRL_GET_MD
, 0, (void *)(md
));
674 *p
++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST
,
677 *p
++ = OSSL_PARAM_construct_end();
679 if (!EVP_PKEY_CTX_get_params(ctx
, sig_md_params
))
682 tmp
= evp_get_digestbyname_ex(ctx
->libctx
, name
);
691 int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX
*ctx
, const EVP_MD
*md
)
693 OSSL_PARAM sig_md_params
[3], *p
= sig_md_params
;
697 if (ctx
== NULL
|| !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)) {
698 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
699 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
703 /* TODO(3.0): Remove this eventually when no more legacy */
704 if (ctx
->op
.sig
.sigprovctx
== NULL
)
705 return EVP_PKEY_CTX_ctrl(ctx
, -1, EVP_PKEY_OP_TYPE_SIG
,
706 EVP_PKEY_CTRL_MD
, 0, (void *)(md
));
712 mdsize
= EVP_MD_size(md
);
713 name
= EVP_MD_name(md
);
716 *p
++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST
,
718 * Cast away the const. This is read
719 * only so should be safe
723 *p
++ = OSSL_PARAM_construct_size_t(OSSL_SIGNATURE_PARAM_DIGEST_SIZE
,
725 *p
++ = OSSL_PARAM_construct_end();
727 return EVP_PKEY_CTX_set_params(ctx
, sig_md_params
);
730 static int legacy_ctrl_to_param(EVP_PKEY_CTX
*ctx
, int keytype
, int optype
,
731 int cmd
, int p1
, void *p2
)
734 # ifndef OPENSSL_NO_DH
735 case EVP_PKEY_CTRL_DH_PAD
:
736 return EVP_PKEY_CTX_set_dh_pad(ctx
, p1
);
738 case EVP_PKEY_CTRL_MD
:
739 return EVP_PKEY_CTX_set_signature_md(ctx
, p2
);
740 case EVP_PKEY_CTRL_GET_MD
:
741 return EVP_PKEY_CTX_get_signature_md(ctx
, p2
);
742 case EVP_PKEY_CTRL_RSA_PADDING
:
743 return EVP_PKEY_CTX_set_rsa_padding(ctx
, p1
);
744 case EVP_PKEY_CTRL_GET_RSA_PADDING
:
745 return EVP_PKEY_CTX_get_rsa_padding(ctx
, p2
);
746 case EVP_PKEY_CTRL_RSA_OAEP_MD
:
747 return EVP_PKEY_CTX_set_rsa_oaep_md(ctx
, p2
);
748 case EVP_PKEY_CTRL_GET_RSA_OAEP_MD
:
749 return EVP_PKEY_CTX_get_rsa_oaep_md(ctx
, p2
);
750 case EVP_PKEY_CTRL_RSA_MGF1_MD
:
751 return EVP_PKEY_CTX_set_rsa_oaep_md(ctx
, p2
);
752 case EVP_PKEY_CTRL_GET_RSA_MGF1_MD
:
753 return EVP_PKEY_CTX_get_rsa_oaep_md(ctx
, p2
);
754 case EVP_PKEY_CTRL_RSA_OAEP_LABEL
:
755 return EVP_PKEY_CTX_set0_rsa_oaep_label(ctx
, p2
, p1
);
756 case EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL
:
757 return EVP_PKEY_CTX_get0_rsa_oaep_label(ctx
, (unsigned char **)p2
);
758 case EVP_PKEY_CTRL_PKCS7_ENCRYPT
:
759 case EVP_PKEY_CTRL_PKCS7_DECRYPT
:
760 # ifndef OPENSSL_NO_CMS
761 case EVP_PKEY_CTRL_CMS_DECRYPT
:
762 case EVP_PKEY_CTRL_CMS_ENCRYPT
:
764 if (ctx
->pmeth
->pkey_id
!= EVP_PKEY_RSA_PSS
)
766 ERR_raise(ERR_LIB_EVP
,
767 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE
);
773 int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX
*ctx
, int keytype
, int optype
,
774 int cmd
, int p1
, void *p2
)
779 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL
, EVP_R_COMMAND_NOT_SUPPORTED
);
783 if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx
) && ctx
->op
.kex
.exchprovctx
!= NULL
)
784 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)
785 && ctx
->op
.sig
.sigprovctx
!= NULL
)
786 || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)
787 && ctx
->op
.ciph
.ciphprovctx
!= NULL
))
788 return legacy_ctrl_to_param(ctx
, keytype
, optype
, cmd
, p1
, p2
);
790 if (ctx
->pmeth
== NULL
|| ctx
->pmeth
->ctrl
== NULL
) {
791 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL
, EVP_R_COMMAND_NOT_SUPPORTED
);
794 if ((keytype
!= -1) && (ctx
->pmeth
->pkey_id
!= keytype
))
797 /* Skip the operation checks since this is called in a very early stage */
798 if (ctx
->pmeth
->digest_custom
!= NULL
)
801 if (ctx
->operation
== EVP_PKEY_OP_UNDEFINED
) {
802 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL
, EVP_R_NO_OPERATION_SET
);
806 if ((optype
!= -1) && !(ctx
->operation
& optype
)) {
807 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL
, EVP_R_INVALID_OPERATION
);
812 ret
= ctx
->pmeth
->ctrl(ctx
, cmd
, p1
, p2
);
815 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL
, EVP_R_COMMAND_NOT_SUPPORTED
);
820 int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX
*ctx
, int keytype
, int optype
,
821 int cmd
, uint64_t value
)
823 return EVP_PKEY_CTX_ctrl(ctx
, keytype
, optype
, cmd
, 0, &value
);
826 static int legacy_ctrl_str_to_param(EVP_PKEY_CTX
*ctx
, const char *name
,
829 # ifndef OPENSSL_NO_DH
830 if (strcmp(name
, "dh_pad") == 0) {
834 return EVP_PKEY_CTX_set_dh_pad(ctx
, pad
);
837 if (strcmp(name
, "digest") == 0) {
841 if (!EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
) || ctx
->op
.sig
.signature
== NULL
)
843 md
= EVP_MD_fetch(ossl_provider_library_context(ctx
->op
.sig
.signature
->prov
),
847 ret
= EVP_PKEY_CTX_set_signature_md(ctx
, md
);
848 EVP_MD_meth_free(md
);
852 if (strcmp(name
, "rsa_padding_mode") == 0) {
855 if (strcmp(value
, "pkcs1") == 0) {
856 pm
= RSA_PKCS1_PADDING
;
857 } else if (strcmp(value
, "sslv23") == 0) {
858 pm
= RSA_SSLV23_PADDING
;
859 } else if (strcmp(value
, "none") == 0) {
861 } else if (strcmp(value
, "oeap") == 0) {
862 pm
= RSA_PKCS1_OAEP_PADDING
;
863 } else if (strcmp(value
, "oaep") == 0) {
864 pm
= RSA_PKCS1_OAEP_PADDING
;
865 } else if (strcmp(value
, "x931") == 0) {
866 pm
= RSA_X931_PADDING
;
867 } else if (strcmp(value
, "pss") == 0) {
868 pm
= RSA_PKCS1_PSS_PADDING
;
870 ERR_raise(ERR_LIB_RSA
, RSA_R_UNKNOWN_PADDING_TYPE
);
873 return EVP_PKEY_CTX_set_rsa_padding(ctx
, pm
);
876 if (strcmp(name
, "rsa_mgf1_md") == 0)
877 return EVP_PKEY_CTX_set_rsa_mgf1_md_name(ctx
, value
, NULL
);
879 if (strcmp(name
, "rsa_oaep_md") == 0)
880 return EVP_PKEY_CTX_set_rsa_oaep_md_name(ctx
, value
, NULL
);
882 if (strcmp(name
, "rsa_oaep_label") == 0) {
887 lab
= OPENSSL_hexstr2buf(value
, &lablen
);
890 ret
= EVP_PKEY_CTX_set0_rsa_oaep_label(ctx
, lab
, lablen
);
901 int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX
*ctx
,
902 const char *name
, const char *value
)
905 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR
, EVP_R_COMMAND_NOT_SUPPORTED
);
909 if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx
) && ctx
->op
.kex
.exchprovctx
!= NULL
)
910 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)
911 && ctx
->op
.sig
.sigprovctx
!= NULL
)
912 || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)
913 && ctx
->op
.ciph
.ciphprovctx
!= NULL
))
914 return legacy_ctrl_str_to_param(ctx
, name
, value
);
916 if (!ctx
|| !ctx
->pmeth
|| !ctx
->pmeth
->ctrl_str
) {
917 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR
, EVP_R_COMMAND_NOT_SUPPORTED
);
920 if (strcmp(name
, "digest") == 0)
921 return EVP_PKEY_CTX_md(ctx
, EVP_PKEY_OP_TYPE_SIG
, EVP_PKEY_CTRL_MD
,
923 return ctx
->pmeth
->ctrl_str(ctx
, name
, value
);
926 /* Utility functions to send a string of hex string to a ctrl */
928 int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX
*ctx
, int cmd
, const char *str
)
935 return ctx
->pmeth
->ctrl(ctx
, cmd
, len
, (void *)str
);
938 int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX
*ctx
, int cmd
, const char *hex
)
944 bin
= OPENSSL_hexstr2buf(hex
, &binlen
);
947 if (binlen
<= INT_MAX
)
948 rv
= ctx
->pmeth
->ctrl(ctx
, cmd
, binlen
, bin
);
953 /* Pass a message digest to a ctrl */
954 int EVP_PKEY_CTX_md(EVP_PKEY_CTX
*ctx
, int optype
, int cmd
, const char *md
)
958 if (md
== NULL
|| (m
= EVP_get_digestbyname(md
)) == NULL
) {
959 EVPerr(EVP_F_EVP_PKEY_CTX_MD
, EVP_R_INVALID_DIGEST
);
962 return EVP_PKEY_CTX_ctrl(ctx
, -1, optype
, cmd
, 0, (void *)m
);
965 int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX
*ctx
)
967 return ctx
->operation
;
970 void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX
*ctx
, int *dat
, int datlen
)
972 ctx
->keygen_info
= dat
;
973 ctx
->keygen_info_count
= datlen
;
976 void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX
*ctx
, void *data
)
981 void *EVP_PKEY_CTX_get_data(const EVP_PKEY_CTX
*ctx
)
986 EVP_PKEY
*EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX
*ctx
)
991 EVP_PKEY
*EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX
*ctx
)
996 void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX
*ctx
, void *data
)
998 ctx
->app_data
= data
;
1001 void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX
*ctx
)
1003 return ctx
->app_data
;
1006 void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD
*pmeth
,
1007 int (*init
) (EVP_PKEY_CTX
*ctx
))
1012 void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD
*pmeth
,
1013 int (*copy
) (EVP_PKEY_CTX
*dst
,
1014 const EVP_PKEY_CTX
*src
))
1019 void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD
*pmeth
,
1020 void (*cleanup
) (EVP_PKEY_CTX
*ctx
))
1022 pmeth
->cleanup
= cleanup
;
1025 void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD
*pmeth
,
1026 int (*paramgen_init
) (EVP_PKEY_CTX
*ctx
),
1027 int (*paramgen
) (EVP_PKEY_CTX
*ctx
,
1030 pmeth
->paramgen_init
= paramgen_init
;
1031 pmeth
->paramgen
= paramgen
;
1034 void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD
*pmeth
,
1035 int (*keygen_init
) (EVP_PKEY_CTX
*ctx
),
1036 int (*keygen
) (EVP_PKEY_CTX
*ctx
,
1039 pmeth
->keygen_init
= keygen_init
;
1040 pmeth
->keygen
= keygen
;
1043 void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD
*pmeth
,
1044 int (*sign_init
) (EVP_PKEY_CTX
*ctx
),
1045 int (*sign
) (EVP_PKEY_CTX
*ctx
,
1046 unsigned char *sig
, size_t *siglen
,
1047 const unsigned char *tbs
,
1050 pmeth
->sign_init
= sign_init
;
1054 void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD
*pmeth
,
1055 int (*verify_init
) (EVP_PKEY_CTX
*ctx
),
1056 int (*verify
) (EVP_PKEY_CTX
*ctx
,
1057 const unsigned char *sig
,
1059 const unsigned char *tbs
,
1062 pmeth
->verify_init
= verify_init
;
1063 pmeth
->verify
= verify
;
1066 void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD
*pmeth
,
1067 int (*verify_recover_init
) (EVP_PKEY_CTX
1069 int (*verify_recover
) (EVP_PKEY_CTX
1078 pmeth
->verify_recover_init
= verify_recover_init
;
1079 pmeth
->verify_recover
= verify_recover
;
1082 void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD
*pmeth
,
1083 int (*signctx_init
) (EVP_PKEY_CTX
*ctx
,
1085 int (*signctx
) (EVP_PKEY_CTX
*ctx
,
1090 pmeth
->signctx_init
= signctx_init
;
1091 pmeth
->signctx
= signctx
;
1094 void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD
*pmeth
,
1095 int (*verifyctx_init
) (EVP_PKEY_CTX
*ctx
,
1097 int (*verifyctx
) (EVP_PKEY_CTX
*ctx
,
1098 const unsigned char *sig
,
1102 pmeth
->verifyctx_init
= verifyctx_init
;
1103 pmeth
->verifyctx
= verifyctx
;
1106 void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD
*pmeth
,
1107 int (*encrypt_init
) (EVP_PKEY_CTX
*ctx
),
1108 int (*encryptfn
) (EVP_PKEY_CTX
*ctx
,
1111 const unsigned char *in
,
1114 pmeth
->encrypt_init
= encrypt_init
;
1115 pmeth
->encrypt
= encryptfn
;
1118 void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD
*pmeth
,
1119 int (*decrypt_init
) (EVP_PKEY_CTX
*ctx
),
1120 int (*decrypt
) (EVP_PKEY_CTX
*ctx
,
1123 const unsigned char *in
,
1126 pmeth
->decrypt_init
= decrypt_init
;
1127 pmeth
->decrypt
= decrypt
;
1130 void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD
*pmeth
,
1131 int (*derive_init
) (EVP_PKEY_CTX
*ctx
),
1132 int (*derive
) (EVP_PKEY_CTX
*ctx
,
1136 pmeth
->derive_init
= derive_init
;
1137 pmeth
->derive
= derive
;
1140 void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD
*pmeth
,
1141 int (*ctrl
) (EVP_PKEY_CTX
*ctx
, int type
, int p1
,
1143 int (*ctrl_str
) (EVP_PKEY_CTX
*ctx
,
1148 pmeth
->ctrl_str
= ctrl_str
;
1151 void EVP_PKEY_meth_set_digestsign(EVP_PKEY_METHOD
*pmeth
,
1152 int (*digestsign
) (EVP_MD_CTX
*ctx
, unsigned char *sig
, size_t *siglen
,
1153 const unsigned char *tbs
, size_t tbslen
))
1155 pmeth
->digestsign
= digestsign
;
1158 void EVP_PKEY_meth_set_digestverify(EVP_PKEY_METHOD
*pmeth
,
1159 int (*digestverify
) (EVP_MD_CTX
*ctx
, const unsigned char *sig
,
1160 size_t siglen
, const unsigned char *tbs
,
1163 pmeth
->digestverify
= digestverify
;
1166 void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD
*pmeth
,
1167 int (*check
) (EVP_PKEY
*pkey
))
1169 pmeth
->check
= check
;
1172 void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD
*pmeth
,
1173 int (*check
) (EVP_PKEY
*pkey
))
1175 pmeth
->public_check
= check
;
1178 void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD
*pmeth
,
1179 int (*check
) (EVP_PKEY
*pkey
))
1181 pmeth
->param_check
= check
;
1184 void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD
*pmeth
,
1185 int (*digest_custom
) (EVP_PKEY_CTX
*ctx
,
1188 pmeth
->digest_custom
= digest_custom
;
1191 void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD
*pmeth
,
1192 int (**pinit
) (EVP_PKEY_CTX
*ctx
))
1194 *pinit
= pmeth
->init
;
1197 void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD
*pmeth
,
1198 int (**pcopy
) (EVP_PKEY_CTX
*dst
,
1199 const EVP_PKEY_CTX
*src
))
1201 *pcopy
= pmeth
->copy
;
1204 void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD
*pmeth
,
1205 void (**pcleanup
) (EVP_PKEY_CTX
*ctx
))
1207 *pcleanup
= pmeth
->cleanup
;
1210 void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD
*pmeth
,
1211 int (**pparamgen_init
) (EVP_PKEY_CTX
*ctx
),
1212 int (**pparamgen
) (EVP_PKEY_CTX
*ctx
,
1216 *pparamgen_init
= pmeth
->paramgen_init
;
1218 *pparamgen
= pmeth
->paramgen
;
1221 void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD
*pmeth
,
1222 int (**pkeygen_init
) (EVP_PKEY_CTX
*ctx
),
1223 int (**pkeygen
) (EVP_PKEY_CTX
*ctx
,
1227 *pkeygen_init
= pmeth
->keygen_init
;
1229 *pkeygen
= pmeth
->keygen
;
1232 void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD
*pmeth
,
1233 int (**psign_init
) (EVP_PKEY_CTX
*ctx
),
1234 int (**psign
) (EVP_PKEY_CTX
*ctx
,
1235 unsigned char *sig
, size_t *siglen
,
1236 const unsigned char *tbs
,
1240 *psign_init
= pmeth
->sign_init
;
1242 *psign
= pmeth
->sign
;
1245 void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD
*pmeth
,
1246 int (**pverify_init
) (EVP_PKEY_CTX
*ctx
),
1247 int (**pverify
) (EVP_PKEY_CTX
*ctx
,
1248 const unsigned char *sig
,
1250 const unsigned char *tbs
,
1254 *pverify_init
= pmeth
->verify_init
;
1256 *pverify
= pmeth
->verify
;
1259 void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD
*pmeth
,
1260 int (**pverify_recover_init
) (EVP_PKEY_CTX
1262 int (**pverify_recover
) (EVP_PKEY_CTX
1271 if (pverify_recover_init
)
1272 *pverify_recover_init
= pmeth
->verify_recover_init
;
1273 if (pverify_recover
)
1274 *pverify_recover
= pmeth
->verify_recover
;
1277 void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD
*pmeth
,
1278 int (**psignctx_init
) (EVP_PKEY_CTX
*ctx
,
1280 int (**psignctx
) (EVP_PKEY_CTX
*ctx
,
1286 *psignctx_init
= pmeth
->signctx_init
;
1288 *psignctx
= pmeth
->signctx
;
1291 void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD
*pmeth
,
1292 int (**pverifyctx_init
) (EVP_PKEY_CTX
*ctx
,
1294 int (**pverifyctx
) (EVP_PKEY_CTX
*ctx
,
1295 const unsigned char *sig
,
1299 if (pverifyctx_init
)
1300 *pverifyctx_init
= pmeth
->verifyctx_init
;
1302 *pverifyctx
= pmeth
->verifyctx
;
1305 void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD
*pmeth
,
1306 int (**pencrypt_init
) (EVP_PKEY_CTX
*ctx
),
1307 int (**pencryptfn
) (EVP_PKEY_CTX
*ctx
,
1310 const unsigned char *in
,
1314 *pencrypt_init
= pmeth
->encrypt_init
;
1316 *pencryptfn
= pmeth
->encrypt
;
1319 void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD
*pmeth
,
1320 int (**pdecrypt_init
) (EVP_PKEY_CTX
*ctx
),
1321 int (**pdecrypt
) (EVP_PKEY_CTX
*ctx
,
1324 const unsigned char *in
,
1328 *pdecrypt_init
= pmeth
->decrypt_init
;
1330 *pdecrypt
= pmeth
->decrypt
;
1333 void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD
*pmeth
,
1334 int (**pderive_init
) (EVP_PKEY_CTX
*ctx
),
1335 int (**pderive
) (EVP_PKEY_CTX
*ctx
,
1340 *pderive_init
= pmeth
->derive_init
;
1342 *pderive
= pmeth
->derive
;
1345 void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD
*pmeth
,
1346 int (**pctrl
) (EVP_PKEY_CTX
*ctx
, int type
, int p1
,
1348 int (**pctrl_str
) (EVP_PKEY_CTX
*ctx
,
1353 *pctrl
= pmeth
->ctrl
;
1355 *pctrl_str
= pmeth
->ctrl_str
;
1358 void EVP_PKEY_meth_get_digestsign(EVP_PKEY_METHOD
*pmeth
,
1359 int (**digestsign
) (EVP_MD_CTX
*ctx
, unsigned char *sig
, size_t *siglen
,
1360 const unsigned char *tbs
, size_t tbslen
))
1363 *digestsign
= pmeth
->digestsign
;
1366 void EVP_PKEY_meth_get_digestverify(EVP_PKEY_METHOD
*pmeth
,
1367 int (**digestverify
) (EVP_MD_CTX
*ctx
, const unsigned char *sig
,
1368 size_t siglen
, const unsigned char *tbs
,
1372 *digestverify
= pmeth
->digestverify
;
1375 void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD
*pmeth
,
1376 int (**pcheck
) (EVP_PKEY
*pkey
))
1379 *pcheck
= pmeth
->check
;
1382 void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD
*pmeth
,
1383 int (**pcheck
) (EVP_PKEY
*pkey
))
1386 *pcheck
= pmeth
->public_check
;
1389 void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD
*pmeth
,
1390 int (**pcheck
) (EVP_PKEY
*pkey
))
1393 *pcheck
= pmeth
->param_check
;
1396 void EVP_PKEY_meth_get_digest_custom(EVP_PKEY_METHOD
*pmeth
,
1397 int (**pdigest_custom
) (EVP_PKEY_CTX
*ctx
,
1400 if (pdigest_custom
!= NULL
)
1401 *pdigest_custom
= pmeth
->digest_custom
;
1404 #endif /* FIPS_MODE */