2 * Copyright 2006-2020 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (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
11 * Low level key APIs (DH etc) are deprecated for public use, but still ok for
14 #include "internal/deprecated.h"
18 #include <openssl/engine.h>
19 #include <openssl/evp.h>
20 #include <openssl/x509v3.h>
21 #include <openssl/core_names.h>
22 #include <openssl/dh.h>
23 #include <openssl/rsa.h>
24 #include "internal/cryptlib.h"
25 #include "crypto/asn1.h"
26 #include "crypto/evp.h"
27 #include "crypto/dh.h"
28 #include "internal/ffc.h"
29 #include "internal/numbers.h"
30 #include "internal/provider.h"
31 #include "evp_local.h"
35 typedef const EVP_PKEY_METHOD
*(*pmeth_fn
)(void);
36 typedef int sk_cmp_fn_type(const char *const *a
, const char *const *b
);
38 static STACK_OF(EVP_PKEY_METHOD
) *app_pkey_methods
= NULL
;
40 /* This array needs to be in order of NIDs */
41 static pmeth_fn standard_methods
[] = {
42 # ifndef OPENSSL_NO_RSA
45 # ifndef OPENSSL_NO_DH
48 # ifndef OPENSSL_NO_DSA
51 # ifndef OPENSSL_NO_EC
55 # ifndef OPENSSL_NO_CMAC
58 # ifndef OPENSSL_NO_RSA
61 # ifndef OPENSSL_NO_DH
64 # ifndef OPENSSL_NO_SCRYPT
68 # ifndef OPENSSL_NO_EC
73 # ifndef OPENSSL_NO_POLY1305
76 # ifndef OPENSSL_NO_SIPHASH
79 # ifndef OPENSSL_NO_EC
83 # ifndef OPENSSL_NO_SM2
88 DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD
*, pmeth_fn
, pmeth_func
);
90 static int pmeth_func_cmp(const EVP_PKEY_METHOD
*const *a
, pmeth_fn
const *b
)
92 return ((*a
)->pkey_id
- ((**b
)())->pkey_id
);
95 IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD
*, pmeth_fn
, pmeth_func
);
97 static int pmeth_cmp(const EVP_PKEY_METHOD
*const *a
,
98 const EVP_PKEY_METHOD
*const *b
)
100 return ((*a
)->pkey_id
- (*b
)->pkey_id
);
103 const EVP_PKEY_METHOD
*EVP_PKEY_meth_find(int type
)
107 const EVP_PKEY_METHOD
*t
= &tmp
;
110 if (app_pkey_methods
) {
112 idx
= sk_EVP_PKEY_METHOD_find(app_pkey_methods
, &tmp
);
114 return sk_EVP_PKEY_METHOD_value(app_pkey_methods
, idx
);
116 ret
= OBJ_bsearch_pmeth_func(&t
, standard_methods
,
117 sizeof(standard_methods
) /
119 if (ret
== NULL
|| *ret
== NULL
)
124 EVP_PKEY_METHOD
*EVP_PKEY_meth_new(int id
, int flags
)
126 EVP_PKEY_METHOD
*pmeth
;
128 pmeth
= OPENSSL_zalloc(sizeof(*pmeth
));
130 EVPerr(EVP_F_EVP_PKEY_METH_NEW
, ERR_R_MALLOC_FAILURE
);
135 pmeth
->flags
= flags
| EVP_PKEY_FLAG_DYNAMIC
;
138 #endif /* FIPS_MODULE */
140 static EVP_PKEY_CTX
*int_ctx_new(OPENSSL_CTX
*libctx
,
141 EVP_PKEY
*pkey
, ENGINE
*e
,
142 const char *keytype
, const char *propquery
,
147 const EVP_PKEY_METHOD
*pmeth
= NULL
;
148 EVP_KEYMGMT
*keymgmt
= NULL
;
151 * When using providers, the context is bound to the algo implementation
154 if (pkey
== NULL
&& e
== NULL
&& id
== -1)
158 * If the key doesn't contain anything legacy, then it must be provided,
159 * so we extract the necessary information and use that.
161 if (pkey
!= NULL
&& pkey
->type
== EVP_PKEY_NONE
) {
162 /* If we have an engine, something went wrong somewhere... */
163 if (!ossl_assert(e
== NULL
))
165 keytype
= evp_first_name(pkey
->keymgmt
->prov
, pkey
->keymgmt
->name_id
);
169 /* TODO(3.0) Legacy code should be removed when all is provider based */
178 * Here, we extract what information we can for the purpose of
179 * supporting usage with implementations from providers, to make
180 * for a smooth transition from legacy stuff to provider based stuff.
182 * If an engine is given, this is entirely legacy, and we should not
183 * pretend anything else, so we only set the name when no engine is
184 * given. If both are already given, someone made a mistake, and
185 * since that can only happen internally, it's safe to make an
188 if (!ossl_assert(e
== NULL
|| keytype
== NULL
))
191 keytype
= OBJ_nid2sn(id
);
193 # ifndef OPENSSL_NO_ENGINE
194 if (e
== NULL
&& pkey
!= NULL
)
195 e
= pkey
->pmeth_engine
!= NULL
? pkey
->pmeth_engine
: pkey
->engine
;
196 /* Try to find an ENGINE which implements this method */
198 if (!ENGINE_init(e
)) {
199 EVPerr(EVP_F_INT_CTX_NEW
, ERR_R_ENGINE_LIB
);
203 e
= ENGINE_get_pkey_meth_engine(id
);
207 * If an ENGINE handled this method look it up. Otherwise use internal
211 pmeth
= ENGINE_get_pkey_meth(e
, id
);
214 pmeth
= EVP_PKEY_meth_find(id
);
217 # ifndef OPENSSL_NO_ENGINE
220 EVPerr(EVP_F_INT_CTX_NEW
, EVP_R_UNSUPPORTED_ALGORITHM
);
224 #endif /* FIPS_MODULE */
227 * If there's no engine and there's a name, we try fetching a provider
230 if (e
== NULL
&& keytype
!= NULL
) {
231 /* This could fail so ignore errors */
233 keymgmt
= EVP_KEYMGMT_fetch(libctx
, keytype
, propquery
);
237 ret
= OPENSSL_zalloc(sizeof(*ret
));
239 EVP_KEYMGMT_free(keymgmt
);
240 #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE)
243 EVPerr(EVP_F_INT_CTX_NEW
, ERR_R_MALLOC_FAILURE
);
246 ret
->libctx
= libctx
;
247 ret
->propquery
= propquery
;
248 ret
->keytype
= keytype
;
249 ret
->keymgmt
= keymgmt
;
252 ret
->operation
= EVP_PKEY_OP_UNDEFINED
;
255 EVP_PKEY_up_ref(pkey
);
257 if (pmeth
!= NULL
&& pmeth
->init
!= NULL
) {
258 if (pmeth
->init(ret
) <= 0) {
260 EVP_PKEY_CTX_free(ret
);
268 /*- All methods below can also be used in FIPS_MODULE */
270 EVP_PKEY_CTX
*EVP_PKEY_CTX_new_from_name(OPENSSL_CTX
*libctx
,
272 const char *propquery
)
274 return int_ctx_new(libctx
, NULL
, NULL
, name
, propquery
, -1);
277 EVP_PKEY_CTX
*EVP_PKEY_CTX_new_from_pkey(OPENSSL_CTX
*libctx
, EVP_PKEY
*pkey
,
278 const char *propquery
)
280 return int_ctx_new(libctx
, pkey
, NULL
, NULL
, propquery
, -1);
283 void evp_pkey_ctx_free_old_ops(EVP_PKEY_CTX
*ctx
)
285 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)) {
286 if (ctx
->op
.sig
.sigprovctx
!= NULL
&& ctx
->op
.sig
.signature
!= NULL
)
287 ctx
->op
.sig
.signature
->freectx(ctx
->op
.sig
.sigprovctx
);
288 EVP_SIGNATURE_free(ctx
->op
.sig
.signature
);
289 ctx
->op
.sig
.sigprovctx
= NULL
;
290 ctx
->op
.sig
.signature
= NULL
;
291 } else if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx
)) {
292 if (ctx
->op
.kex
.exchprovctx
!= NULL
&& ctx
->op
.kex
.exchange
!= NULL
)
293 ctx
->op
.kex
.exchange
->freectx(ctx
->op
.kex
.exchprovctx
);
294 EVP_KEYEXCH_free(ctx
->op
.kex
.exchange
);
295 ctx
->op
.kex
.exchprovctx
= NULL
;
296 ctx
->op
.kex
.exchange
= NULL
;
298 /* TODO(3.0): add dependancies and uncomment this when available for fips mode */
300 else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)) {
301 if (ctx
->op
.ciph
.ciphprovctx
!= NULL
&& ctx
->op
.ciph
.cipher
!= NULL
)
302 ctx
->op
.ciph
.cipher
->freectx(ctx
->op
.ciph
.ciphprovctx
);
303 EVP_ASYM_CIPHER_free(ctx
->op
.ciph
.cipher
);
304 ctx
->op
.ciph
.ciphprovctx
= NULL
;
305 ctx
->op
.ciph
.cipher
= NULL
;
306 } else if (EVP_PKEY_CTX_IS_GEN_OP(ctx
)) {
307 if (ctx
->op
.keymgmt
.genctx
!= NULL
&& ctx
->keymgmt
!= NULL
)
308 evp_keymgmt_gen_cleanup(ctx
->keymgmt
, ctx
->op
.keymgmt
.genctx
);
313 void EVP_PKEY_CTX_free(EVP_PKEY_CTX
*ctx
)
317 if (ctx
->pmeth
&& ctx
->pmeth
->cleanup
)
318 ctx
->pmeth
->cleanup(ctx
);
320 evp_pkey_ctx_free_old_ops(ctx
);
321 EVP_KEYMGMT_free(ctx
->keymgmt
);
323 EVP_PKEY_free(ctx
->pkey
);
324 EVP_PKEY_free(ctx
->peerkey
);
325 #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE)
326 ENGINE_finish(ctx
->engine
);
333 void EVP_PKEY_meth_get0_info(int *ppkey_id
, int *pflags
,
334 const EVP_PKEY_METHOD
*meth
)
337 *ppkey_id
= meth
->pkey_id
;
339 *pflags
= meth
->flags
;
342 void EVP_PKEY_meth_copy(EVP_PKEY_METHOD
*dst
, const EVP_PKEY_METHOD
*src
)
345 dst
->init
= src
->init
;
346 dst
->copy
= src
->copy
;
347 dst
->cleanup
= src
->cleanup
;
349 dst
->paramgen_init
= src
->paramgen_init
;
350 dst
->paramgen
= src
->paramgen
;
352 dst
->keygen_init
= src
->keygen_init
;
353 dst
->keygen
= src
->keygen
;
355 dst
->sign_init
= src
->sign_init
;
356 dst
->sign
= src
->sign
;
358 dst
->verify_init
= src
->verify_init
;
359 dst
->verify
= src
->verify
;
361 dst
->verify_recover_init
= src
->verify_recover_init
;
362 dst
->verify_recover
= src
->verify_recover
;
364 dst
->signctx_init
= src
->signctx_init
;
365 dst
->signctx
= src
->signctx
;
367 dst
->verifyctx_init
= src
->verifyctx_init
;
368 dst
->verifyctx
= src
->verifyctx
;
370 dst
->encrypt_init
= src
->encrypt_init
;
371 dst
->encrypt
= src
->encrypt
;
373 dst
->decrypt_init
= src
->decrypt_init
;
374 dst
->decrypt
= src
->decrypt
;
376 dst
->derive_init
= src
->derive_init
;
377 dst
->derive
= src
->derive
;
379 dst
->ctrl
= src
->ctrl
;
380 dst
->ctrl_str
= src
->ctrl_str
;
382 dst
->check
= src
->check
;
385 void EVP_PKEY_meth_free(EVP_PKEY_METHOD
*pmeth
)
387 if (pmeth
&& (pmeth
->flags
& EVP_PKEY_FLAG_DYNAMIC
))
391 EVP_PKEY_CTX
*EVP_PKEY_CTX_new(EVP_PKEY
*pkey
, ENGINE
*e
)
393 return int_ctx_new(NULL
, pkey
, e
, NULL
, NULL
, -1);
396 EVP_PKEY_CTX
*EVP_PKEY_CTX_new_id(int id
, ENGINE
*e
)
398 return int_ctx_new(NULL
, NULL
, e
, NULL
, NULL
, id
);
401 EVP_PKEY_CTX
*EVP_PKEY_CTX_dup(const EVP_PKEY_CTX
*pctx
)
405 if (((pctx
->pmeth
== NULL
) || (pctx
->pmeth
->copy
== NULL
))
406 && ((EVP_PKEY_CTX_IS_DERIVE_OP(pctx
)
407 && pctx
->op
.kex
.exchprovctx
== NULL
)
408 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx
)
409 && pctx
->op
.sig
.sigprovctx
== NULL
)))
411 # ifndef OPENSSL_NO_ENGINE
412 /* Make sure it's safe to copy a pkey context using an ENGINE */
413 if (pctx
->engine
&& !ENGINE_init(pctx
->engine
)) {
414 EVPerr(EVP_F_EVP_PKEY_CTX_DUP
, ERR_R_ENGINE_LIB
);
418 rctx
= OPENSSL_zalloc(sizeof(*rctx
));
420 EVPerr(EVP_F_EVP_PKEY_CTX_DUP
, ERR_R_MALLOC_FAILURE
);
424 if (pctx
->pkey
!= NULL
)
425 EVP_PKEY_up_ref(pctx
->pkey
);
426 rctx
->pkey
= pctx
->pkey
;
427 rctx
->operation
= pctx
->operation
;
428 rctx
->libctx
= pctx
->libctx
;
429 rctx
->keytype
= pctx
->keytype
;
430 rctx
->propquery
= pctx
->propquery
;
432 if (EVP_PKEY_CTX_IS_DERIVE_OP(pctx
)) {
433 if (pctx
->op
.kex
.exchange
!= NULL
) {
434 rctx
->op
.kex
.exchange
= pctx
->op
.kex
.exchange
;
435 if (!EVP_KEYEXCH_up_ref(rctx
->op
.kex
.exchange
)) {
440 if (pctx
->op
.kex
.exchprovctx
!= NULL
) {
441 if (!ossl_assert(pctx
->op
.kex
.exchange
!= NULL
))
443 rctx
->op
.kex
.exchprovctx
444 = pctx
->op
.kex
.exchange
->dupctx(pctx
->op
.kex
.exchprovctx
);
445 if (rctx
->op
.kex
.exchprovctx
== NULL
) {
446 EVP_KEYEXCH_free(rctx
->op
.kex
.exchange
);
452 } else if (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx
)) {
453 if (pctx
->op
.sig
.signature
!= NULL
) {
454 rctx
->op
.sig
.signature
= pctx
->op
.sig
.signature
;
455 if (!EVP_SIGNATURE_up_ref(rctx
->op
.sig
.signature
)) {
460 if (pctx
->op
.sig
.sigprovctx
!= NULL
) {
461 if (!ossl_assert(pctx
->op
.sig
.signature
!= NULL
))
463 rctx
->op
.sig
.sigprovctx
464 = pctx
->op
.sig
.signature
->dupctx(pctx
->op
.sig
.sigprovctx
);
465 if (rctx
->op
.sig
.sigprovctx
== NULL
) {
466 EVP_SIGNATURE_free(rctx
->op
.sig
.signature
);
472 } else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(pctx
)) {
473 if (pctx
->op
.ciph
.cipher
!= NULL
) {
474 rctx
->op
.ciph
.cipher
= pctx
->op
.ciph
.cipher
;
475 if (!EVP_ASYM_CIPHER_up_ref(rctx
->op
.ciph
.cipher
)) {
480 if (pctx
->op
.ciph
.ciphprovctx
!= NULL
) {
481 if (!ossl_assert(pctx
->op
.ciph
.cipher
!= NULL
))
483 rctx
->op
.ciph
.ciphprovctx
484 = pctx
->op
.ciph
.cipher
->dupctx(pctx
->op
.ciph
.ciphprovctx
);
485 if (rctx
->op
.ciph
.ciphprovctx
== NULL
) {
486 EVP_ASYM_CIPHER_free(rctx
->op
.ciph
.cipher
);
494 rctx
->pmeth
= pctx
->pmeth
;
495 # ifndef OPENSSL_NO_ENGINE
496 rctx
->engine
= pctx
->engine
;
500 EVP_PKEY_up_ref(pctx
->peerkey
);
501 rctx
->peerkey
= pctx
->peerkey
;
503 if (pctx
->pmeth
->copy(rctx
, pctx
) > 0)
507 EVP_PKEY_CTX_free(rctx
);
512 int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD
*pmeth
)
514 if (app_pkey_methods
== NULL
) {
515 app_pkey_methods
= sk_EVP_PKEY_METHOD_new(pmeth_cmp
);
516 if (app_pkey_methods
== NULL
){
517 EVPerr(EVP_F_EVP_PKEY_METH_ADD0
, ERR_R_MALLOC_FAILURE
);
521 if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods
, pmeth
)) {
522 EVPerr(EVP_F_EVP_PKEY_METH_ADD0
, ERR_R_MALLOC_FAILURE
);
525 sk_EVP_PKEY_METHOD_sort(app_pkey_methods
);
529 void evp_app_cleanup_int(void)
531 if (app_pkey_methods
!= NULL
)
532 sk_EVP_PKEY_METHOD_pop_free(app_pkey_methods
, EVP_PKEY_meth_free
);
535 int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD
*pmeth
)
537 const EVP_PKEY_METHOD
*ret
;
539 ret
= sk_EVP_PKEY_METHOD_delete_ptr(app_pkey_methods
, pmeth
);
541 return ret
== NULL
? 0 : 1;
544 size_t EVP_PKEY_meth_get_count(void)
546 size_t rv
= OSSL_NELEM(standard_methods
);
548 if (app_pkey_methods
)
549 rv
+= sk_EVP_PKEY_METHOD_num(app_pkey_methods
);
553 const EVP_PKEY_METHOD
*EVP_PKEY_meth_get0(size_t idx
)
555 if (idx
< OSSL_NELEM(standard_methods
))
556 return (standard_methods
[idx
])();
557 if (app_pkey_methods
== NULL
)
559 idx
-= OSSL_NELEM(standard_methods
);
560 if (idx
>= (size_t)sk_EVP_PKEY_METHOD_num(app_pkey_methods
))
562 return sk_EVP_PKEY_METHOD_value(app_pkey_methods
, idx
);
566 int EVP_PKEY_CTX_set_params(EVP_PKEY_CTX
*ctx
, OSSL_PARAM
*params
)
568 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx
)
569 && ctx
->op
.kex
.exchprovctx
!= NULL
570 && ctx
->op
.kex
.exchange
!= NULL
571 && ctx
->op
.kex
.exchange
->set_ctx_params
!= NULL
)
572 return ctx
->op
.kex
.exchange
->set_ctx_params(ctx
->op
.kex
.exchprovctx
,
574 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)
575 && ctx
->op
.sig
.sigprovctx
!= NULL
576 && ctx
->op
.sig
.signature
!= NULL
577 && ctx
->op
.sig
.signature
->set_ctx_params
!= NULL
)
578 return ctx
->op
.sig
.signature
->set_ctx_params(ctx
->op
.sig
.sigprovctx
,
580 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)
581 && ctx
->op
.ciph
.ciphprovctx
!= NULL
582 && ctx
->op
.ciph
.cipher
!= NULL
583 && ctx
->op
.ciph
.cipher
->set_ctx_params
!= NULL
)
584 return ctx
->op
.ciph
.cipher
->set_ctx_params(ctx
->op
.ciph
.ciphprovctx
,
586 if (EVP_PKEY_CTX_IS_GEN_OP(ctx
)
587 && ctx
->op
.keymgmt
.genctx
!= NULL
588 && ctx
->keymgmt
!= NULL
589 && ctx
->keymgmt
->gen_set_params
!= NULL
)
590 return evp_keymgmt_gen_set_params(ctx
->keymgmt
, ctx
->op
.keymgmt
.genctx
,
596 int EVP_PKEY_CTX_get_params(EVP_PKEY_CTX
*ctx
, OSSL_PARAM
*params
)
598 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx
)
599 && ctx
->op
.kex
.exchprovctx
!= NULL
600 && ctx
->op
.kex
.exchange
!= NULL
601 && ctx
->op
.kex
.exchange
->get_ctx_params
!= NULL
)
602 return ctx
->op
.kex
.exchange
->get_ctx_params(ctx
->op
.kex
.exchprovctx
,
604 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)
605 && ctx
->op
.sig
.sigprovctx
!= NULL
606 && ctx
->op
.sig
.signature
!= NULL
607 && ctx
->op
.sig
.signature
->get_ctx_params
!= NULL
)
608 return ctx
->op
.sig
.signature
->get_ctx_params(ctx
->op
.sig
.sigprovctx
,
610 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)
611 && ctx
->op
.ciph
.ciphprovctx
!= NULL
612 && ctx
->op
.ciph
.cipher
!= NULL
613 && ctx
->op
.ciph
.cipher
->get_ctx_params
!= NULL
)
614 return ctx
->op
.ciph
.cipher
->get_ctx_params(ctx
->op
.ciph
.ciphprovctx
,
616 if (EVP_PKEY_CTX_IS_GEN_OP(ctx
)
617 && ctx
->op
.keymgmt
.genctx
!= NULL
618 && ctx
->keymgmt
!= NULL
619 && ctx
->keymgmt
->gen_get_params
!= NULL
)
620 return evp_keymgmt_gen_get_params(ctx
->keymgmt
, ctx
->op
.keymgmt
.genctx
,
625 const OSSL_PARAM
*EVP_PKEY_CTX_gettable_params(EVP_PKEY_CTX
*ctx
)
627 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx
)
628 && ctx
->op
.kex
.exchange
!= NULL
629 && ctx
->op
.kex
.exchange
->gettable_ctx_params
!= NULL
)
630 return ctx
->op
.kex
.exchange
->gettable_ctx_params();
631 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)
632 && ctx
->op
.sig
.signature
!= NULL
633 && ctx
->op
.sig
.signature
->gettable_ctx_params
!= NULL
)
634 return ctx
->op
.sig
.signature
->gettable_ctx_params();
636 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)
637 && ctx
->op
.ciph
.cipher
!= NULL
638 && ctx
->op
.ciph
.cipher
->gettable_ctx_params
!= NULL
)
639 return ctx
->op
.ciph
.cipher
->gettable_ctx_params();
644 const OSSL_PARAM
*EVP_PKEY_CTX_settable_params(EVP_PKEY_CTX
*ctx
)
646 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx
)
647 && ctx
->op
.kex
.exchange
!= NULL
648 && ctx
->op
.kex
.exchange
->settable_ctx_params
!= NULL
)
649 return ctx
->op
.kex
.exchange
->settable_ctx_params();
650 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)
651 && ctx
->op
.sig
.signature
!= NULL
652 && ctx
->op
.sig
.signature
->settable_ctx_params
!= NULL
)
653 return ctx
->op
.sig
.signature
->settable_ctx_params();
654 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)
655 && ctx
->op
.ciph
.cipher
!= NULL
656 && ctx
->op
.ciph
.cipher
->settable_ctx_params
!= NULL
)
657 return ctx
->op
.ciph
.cipher
->settable_ctx_params();
658 if (EVP_PKEY_CTX_IS_GEN_OP(ctx
)
659 && ctx
->keymgmt
!= NULL
660 && ctx
->keymgmt
->gen_settable_params
!= NULL
)
661 return evp_keymgmt_gen_settable_params(ctx
->keymgmt
);
667 * Internal helpers for stricter EVP_PKEY_CTX_{set,get}_params().
669 * Return 1 on success, 0 or negative for errors.
671 * In particular they return -2 if any of the params is not supported.
673 * They are not available in FIPS_MODULE as they depend on
674 * - EVP_PKEY_CTX_{get,set}_params()
675 * - EVP_PKEY_CTX_{gettable,settable}_params()
678 int evp_pkey_ctx_set_params_strict(EVP_PKEY_CTX
*ctx
, OSSL_PARAM
*params
)
682 if (ctx
== NULL
|| params
== NULL
)
685 for (p
= params
; p
->key
!= NULL
; p
++) {
686 /* Check the ctx actually understands this parameter */
687 if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_settable_params(ctx
),
692 return EVP_PKEY_CTX_set_params(ctx
, params
);
695 int evp_pkey_ctx_get_params_strict(EVP_PKEY_CTX
*ctx
, OSSL_PARAM
*params
)
699 if (ctx
== NULL
|| params
== NULL
)
702 for (p
= params
; p
->key
!= NULL
; p
++ ) {
703 /* Check the ctx actually understands this parameter */
704 if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_gettable_params(ctx
),
709 return EVP_PKEY_CTX_get_params(ctx
, params
);
712 # ifndef OPENSSL_NO_DH
713 int EVP_PKEY_CTX_set_dh_pad(EVP_PKEY_CTX
*ctx
, int pad
)
715 OSSL_PARAM dh_pad_params
[2];
716 unsigned int upad
= pad
;
718 /* We use EVP_PKEY_CTX_ctrl return values */
719 if (ctx
== NULL
|| !EVP_PKEY_CTX_IS_DERIVE_OP(ctx
)) {
720 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
724 /* TODO(3.0): Remove this eventually when no more legacy */
725 if (ctx
->op
.kex
.exchprovctx
== NULL
)
726 return EVP_PKEY_CTX_ctrl(ctx
, EVP_PKEY_DH
, EVP_PKEY_OP_DERIVE
,
727 EVP_PKEY_CTRL_DH_PAD
, pad
, NULL
);
729 dh_pad_params
[0] = OSSL_PARAM_construct_uint(OSSL_EXCHANGE_PARAM_PAD
, &upad
);
730 dh_pad_params
[1] = OSSL_PARAM_construct_end();
732 return EVP_PKEY_CTX_set_params(ctx
, dh_pad_params
);
736 int EVP_PKEY_CTX_get_signature_md(EVP_PKEY_CTX
*ctx
, const EVP_MD
**md
)
738 OSSL_PARAM sig_md_params
[3], *p
= sig_md_params
;
739 /* 80 should be big enough */
743 if (ctx
== NULL
|| !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)) {
744 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
745 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
749 /* TODO(3.0): Remove this eventually when no more legacy */
750 if (ctx
->op
.sig
.sigprovctx
== NULL
)
751 return EVP_PKEY_CTX_ctrl(ctx
, -1, EVP_PKEY_OP_TYPE_SIG
,
752 EVP_PKEY_CTRL_GET_MD
, 0, (void *)(md
));
754 *p
++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST
,
757 *p
++ = OSSL_PARAM_construct_end();
759 if (!EVP_PKEY_CTX_get_params(ctx
, sig_md_params
))
762 tmp
= evp_get_digestbyname_ex(ctx
->libctx
, name
);
771 int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX
*ctx
, const EVP_MD
*md
)
773 OSSL_PARAM sig_md_params
[2], *p
= sig_md_params
;
776 if (ctx
== NULL
|| !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)) {
777 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
778 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
782 /* TODO(3.0): Remove this eventually when no more legacy */
783 if (ctx
->op
.sig
.sigprovctx
== NULL
)
784 return EVP_PKEY_CTX_ctrl(ctx
, -1, EVP_PKEY_OP_TYPE_SIG
,
785 EVP_PKEY_CTRL_MD
, 0, (void *)(md
));
790 name
= EVP_MD_name(md
);
793 *p
++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST
,
795 * Cast away the const. This is read
796 * only so should be safe
799 *p
++ = OSSL_PARAM_construct_end();
801 return EVP_PKEY_CTX_set_params(ctx
, sig_md_params
);
804 static int legacy_ctrl_to_param(EVP_PKEY_CTX
*ctx
, int keytype
, int optype
,
805 int cmd
, int p1
, void *p2
)
808 * GOST CMS format is different for different cipher algorithms.
809 * Most of other algorithms don't have such a difference
810 * so this ctrl is just ignored.
812 if (cmd
== EVP_PKEY_CTRL_CIPHER
)
815 # ifndef OPENSSL_NO_DH
816 if (keytype
== EVP_PKEY_DH
) {
818 case EVP_PKEY_CTRL_DH_PAD
:
819 return EVP_PKEY_CTX_set_dh_pad(ctx
, p1
);
820 case EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN
:
821 return EVP_PKEY_CTX_set_dh_paramgen_prime_len(ctx
, p1
);
822 case EVP_PKEY_CTRL_DH_PARAMGEN_SUBPRIME_LEN
:
823 return EVP_PKEY_CTX_set_dh_paramgen_subprime_len(ctx
, p1
);
824 case EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR
:
825 return EVP_PKEY_CTX_set_dh_paramgen_generator(ctx
, p1
);
826 case EVP_PKEY_CTRL_DH_PARAMGEN_TYPE
:
827 return EVP_PKEY_CTX_set_dh_paramgen_type(ctx
, p1
);
828 case EVP_PKEY_CTRL_DH_RFC5114
:
829 return EVP_PKEY_CTX_set_dh_rfc5114(ctx
, p1
);
833 # ifndef OPENSSL_NO_DSA
834 if (keytype
== EVP_PKEY_DSA
) {
836 case EVP_PKEY_CTRL_DSA_PARAMGEN_BITS
:
837 return EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx
, p1
);
838 case EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS
:
839 return EVP_PKEY_CTX_set_dsa_paramgen_q_bits(ctx
, p1
);
840 case EVP_PKEY_CTRL_DSA_PARAMGEN_MD
:
841 return EVP_PKEY_CTX_set_dsa_paramgen_md(ctx
, p2
);
845 # ifndef OPENSSL_NO_EC
846 if (keytype
== EVP_PKEY_EC
) {
848 case EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID
:
849 return EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx
, p1
);
850 case EVP_PKEY_CTRL_EC_ECDH_COFACTOR
:
852 return EVP_PKEY_CTX_get_ecdh_cofactor_mode(ctx
);
853 } else if (p1
< -1 || p1
> 1) {
854 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
857 return EVP_PKEY_CTX_set_ecdh_cofactor_mode(ctx
, p1
);
859 case EVP_PKEY_CTRL_EC_KDF_TYPE
:
861 return EVP_PKEY_CTX_get_ecdh_kdf_type(ctx
);
863 return EVP_PKEY_CTX_set_ecdh_kdf_type(ctx
, p1
);
865 case EVP_PKEY_CTRL_GET_EC_KDF_MD
:
866 return EVP_PKEY_CTX_get_ecdh_kdf_md(ctx
, p2
);
867 case EVP_PKEY_CTRL_EC_KDF_MD
:
868 return EVP_PKEY_CTX_set_ecdh_kdf_md(ctx
, p2
);
869 case EVP_PKEY_CTRL_GET_EC_KDF_OUTLEN
:
870 return EVP_PKEY_CTX_get_ecdh_kdf_outlen(ctx
, p2
);
871 case EVP_PKEY_CTRL_EC_KDF_OUTLEN
:
872 return EVP_PKEY_CTX_set_ecdh_kdf_outlen(ctx
, p1
);
873 case EVP_PKEY_CTRL_GET_EC_KDF_UKM
:
874 return EVP_PKEY_CTX_get0_ecdh_kdf_ukm(ctx
, p2
);
875 case EVP_PKEY_CTRL_EC_KDF_UKM
:
876 return EVP_PKEY_CTX_set0_ecdh_kdf_ukm(ctx
, p2
, p1
);
880 if (keytype
== EVP_PKEY_RSA
) {
882 case EVP_PKEY_CTRL_RSA_OAEP_MD
:
883 return EVP_PKEY_CTX_set_rsa_oaep_md(ctx
, p2
);
884 case EVP_PKEY_CTRL_GET_RSA_OAEP_MD
:
885 return EVP_PKEY_CTX_get_rsa_oaep_md(ctx
, p2
);
886 case EVP_PKEY_CTRL_RSA_MGF1_MD
:
887 return EVP_PKEY_CTX_set_rsa_oaep_md(ctx
, p2
);
888 case EVP_PKEY_CTRL_RSA_OAEP_LABEL
:
889 return EVP_PKEY_CTX_set0_rsa_oaep_label(ctx
, p2
, p1
);
890 case EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL
:
891 return EVP_PKEY_CTX_get0_rsa_oaep_label(ctx
, (unsigned char **)p2
);
892 case EVP_PKEY_CTRL_RSA_KEYGEN_BITS
:
893 return EVP_PKEY_CTX_set_rsa_keygen_bits(ctx
, p1
);
894 case EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP
:
895 return EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx
, p2
);
896 case EVP_PKEY_CTRL_RSA_KEYGEN_PRIMES
:
897 return EVP_PKEY_CTX_set_rsa_keygen_primes(ctx
, p1
);
901 * keytype == -1 is used when several key types share the same structure,
902 * or for generic controls that are the same across multiple key types.
906 case EVP_PKEY_CTRL_MD
:
907 return EVP_PKEY_CTX_set_signature_md(ctx
, p2
);
908 case EVP_PKEY_CTRL_GET_MD
:
909 return EVP_PKEY_CTX_get_signature_md(ctx
, p2
);
910 case EVP_PKEY_CTRL_RSA_PADDING
:
911 return EVP_PKEY_CTX_set_rsa_padding(ctx
, p1
);
912 case EVP_PKEY_CTRL_GET_RSA_PADDING
:
913 return EVP_PKEY_CTX_get_rsa_padding(ctx
, p2
);
914 case EVP_PKEY_CTRL_GET_RSA_MGF1_MD
:
915 return EVP_PKEY_CTX_get_rsa_oaep_md(ctx
, p2
);
916 case EVP_PKEY_CTRL_RSA_PSS_SALTLEN
:
917 return EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx
, p1
);
918 case EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN
:
919 return EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx
, p2
);
920 case EVP_PKEY_CTRL_PKCS7_ENCRYPT
:
921 case EVP_PKEY_CTRL_PKCS7_DECRYPT
:
922 # ifndef OPENSSL_NO_CMS
923 case EVP_PKEY_CTRL_CMS_DECRYPT
:
924 case EVP_PKEY_CTRL_CMS_ENCRYPT
:
926 /* TODO (3.0) Temporary hack, this should probe */
927 if (!EVP_PKEY_is_a(EVP_PKEY_CTX_get0_pkey(ctx
), "RSASSA-PSS"))
929 ERR_raise(ERR_LIB_EVP
,
930 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE
);
937 int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX
*ctx
, int keytype
, int optype
,
938 int cmd
, int p1
, void *p2
)
943 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL
, EVP_R_COMMAND_NOT_SUPPORTED
);
947 if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx
) && ctx
->op
.kex
.exchprovctx
!= NULL
)
948 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)
949 && ctx
->op
.sig
.sigprovctx
!= NULL
)
950 || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)
951 && ctx
->op
.ciph
.ciphprovctx
!= NULL
)
952 || (EVP_PKEY_CTX_IS_GEN_OP(ctx
)
953 && ctx
->op
.keymgmt
.genctx
!= NULL
))
954 return legacy_ctrl_to_param(ctx
, keytype
, optype
, cmd
, p1
, p2
);
956 if (ctx
->pmeth
== NULL
|| ctx
->pmeth
->ctrl
== NULL
) {
957 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL
, EVP_R_COMMAND_NOT_SUPPORTED
);
960 if ((keytype
!= -1) && (ctx
->pmeth
->pkey_id
!= keytype
))
963 /* Skip the operation checks since this is called in a very early stage */
964 if (ctx
->pmeth
->digest_custom
!= NULL
)
967 if (ctx
->operation
== EVP_PKEY_OP_UNDEFINED
) {
968 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL
, EVP_R_NO_OPERATION_SET
);
972 if ((optype
!= -1) && !(ctx
->operation
& optype
)) {
973 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL
, EVP_R_INVALID_OPERATION
);
978 ret
= ctx
->pmeth
->ctrl(ctx
, cmd
, p1
, p2
);
981 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL
, EVP_R_COMMAND_NOT_SUPPORTED
);
986 int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX
*ctx
, int keytype
, int optype
,
987 int cmd
, uint64_t value
)
989 return EVP_PKEY_CTX_ctrl(ctx
, keytype
, optype
, cmd
, 0, &value
);
992 static int legacy_ctrl_str_to_param(EVP_PKEY_CTX
*ctx
, const char *name
,
996 /* Special cases that we intercept */
997 # ifndef OPENSSL_NO_EC
999 * We don't support encoding settings for providers, i.e. the only
1000 * possible encoding is "named_curve", so we simply fail when something
1001 * else is given, and otherwise just pretend all is fine.
1003 if (strcmp(name
, "ec_param_enc") == 0) {
1004 if (strcmp(value
, "named_curve") == 0) {
1007 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
1013 if (strcmp(name
, "rsa_padding_mode") == 0)
1014 name
= OSSL_ASYM_CIPHER_PARAM_PAD_MODE
;
1015 else if (strcmp(name
, "rsa_mgf1_md") == 0)
1016 name
= OSSL_ASYM_CIPHER_PARAM_MGF1_DIGEST
;
1017 else if (strcmp(name
, "rsa_oaep_md") == 0)
1018 name
= OSSL_ASYM_CIPHER_PARAM_OAEP_DIGEST
;
1019 else if (strcmp(name
, "rsa_oaep_label") == 0)
1020 name
= OSSL_ASYM_CIPHER_PARAM_OAEP_LABEL
;
1021 else if (strcmp(name
, "rsa_pss_saltlen") == 0)
1022 name
= OSSL_SIGNATURE_PARAM_PSS_SALTLEN
;
1023 else if (strcmp(name
, "rsa_keygen_bits") == 0)
1024 name
= OSSL_PKEY_PARAM_RSA_BITS
;
1025 else if (strcmp(name
, "rsa_keygen_pubexp") == 0)
1026 name
= OSSL_PKEY_PARAM_RSA_E
;
1027 else if (strcmp(name
, "rsa_keygen_primes") == 0)
1028 name
= OSSL_PKEY_PARAM_RSA_PRIMES
;
1029 # ifndef OPENSSL_NO_DSA
1030 else if (strcmp(name
, "dsa_paramgen_bits") == 0)
1031 name
= OSSL_PKEY_PARAM_FFC_PBITS
;
1032 else if (strcmp(name
, "dsa_paramgen_q_bits") == 0)
1033 name
= OSSL_PKEY_PARAM_FFC_QBITS
;
1034 else if (strcmp(name
, "dsa_paramgen_md") == 0)
1035 name
= OSSL_PKEY_PARAM_FFC_DIGEST
;
1037 # ifndef OPENSSL_NO_DH
1038 else if (strcmp(name
, "dh_paramgen_generator") == 0)
1039 name
= OSSL_PKEY_PARAM_FFC_GENERATOR
;
1040 else if (strcmp(name
, "dh_paramgen_prime_len") == 0)
1041 name
= OSSL_PKEY_PARAM_FFC_PBITS
;
1042 else if (strcmp(name
, "dh_paramgen_subprime_len") == 0)
1043 name
= OSSL_PKEY_PARAM_FFC_QBITS
;
1044 else if (strcmp(name
, "dh_paramgen_type") == 0) {
1045 name
= OSSL_PKEY_PARAM_FFC_TYPE
;
1046 value
= dh_gen_type_id2name(atoi(value
));
1047 } else if (strcmp(name
, "dh_param") == 0)
1048 name
= OSSL_PKEY_PARAM_FFC_GROUP
;
1049 else if (strcmp(name
, "dh_rfc5114") == 0) {
1050 name
= OSSL_PKEY_PARAM_FFC_GROUP
;
1051 value
= ffc_named_group_from_uid(atoi(value
));
1052 } else if (strcmp(name
, "dh_pad") == 0)
1053 name
= OSSL_EXCHANGE_PARAM_PAD
;
1055 # ifndef OPENSSL_NO_EC
1056 else if (strcmp(name
, "ec_paramgen_curve") == 0)
1057 name
= OSSL_PKEY_PARAM_EC_NAME
;
1058 else if (strcmp(name
, "ecdh_cofactor_mode") == 0)
1059 name
= OSSL_EXCHANGE_PARAM_EC_ECDH_COFACTOR_MODE
;
1060 else if (strcmp(name
, "ecdh_kdf_md") == 0)
1061 name
= OSSL_EXCHANGE_PARAM_KDF_DIGEST
;
1066 * TODO(3.0) reduce the code above to only translate known legacy
1067 * string to the corresponding core name (see core_names.h), but
1068 * otherwise leave it to this code block to do the actual work.
1070 const OSSL_PARAM
*settable
= EVP_PKEY_CTX_settable_params(ctx
);
1071 OSSL_PARAM params
[2] = { OSSL_PARAM_END
, OSSL_PARAM_END
};
1075 if (!OSSL_PARAM_allocate_from_text(¶ms
[0], settable
, name
, value
,
1076 strlen(value
), &exists
)) {
1078 ERR_raise(ERR_LIB_EVP
, EVP_R_COMMAND_NOT_SUPPORTED
);
1083 if (EVP_PKEY_CTX_set_params(ctx
, params
))
1085 OPENSSL_free(params
[0].data
);
1090 int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX
*ctx
,
1091 const char *name
, const char *value
)
1094 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR
, EVP_R_COMMAND_NOT_SUPPORTED
);
1098 if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx
) && ctx
->op
.kex
.exchprovctx
!= NULL
)
1099 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx
)
1100 && ctx
->op
.sig
.sigprovctx
!= NULL
)
1101 || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx
)
1102 && ctx
->op
.ciph
.ciphprovctx
!= NULL
)
1103 || (EVP_PKEY_CTX_IS_GEN_OP(ctx
)
1104 && ctx
->op
.keymgmt
.genctx
!= NULL
))
1105 return legacy_ctrl_str_to_param(ctx
, name
, value
);
1107 if (!ctx
|| !ctx
->pmeth
|| !ctx
->pmeth
->ctrl_str
) {
1108 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR
, EVP_R_COMMAND_NOT_SUPPORTED
);
1111 if (strcmp(name
, "digest") == 0)
1112 return EVP_PKEY_CTX_md(ctx
, EVP_PKEY_OP_TYPE_SIG
, EVP_PKEY_CTRL_MD
,
1114 return ctx
->pmeth
->ctrl_str(ctx
, name
, value
);
1117 /* Utility functions to send a string of hex string to a ctrl */
1119 int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX
*ctx
, int cmd
, const char *str
)
1126 return ctx
->pmeth
->ctrl(ctx
, cmd
, len
, (void *)str
);
1129 int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX
*ctx
, int cmd
, const char *hex
)
1135 bin
= OPENSSL_hexstr2buf(hex
, &binlen
);
1138 if (binlen
<= INT_MAX
)
1139 rv
= ctx
->pmeth
->ctrl(ctx
, cmd
, binlen
, bin
);
1144 /* Pass a message digest to a ctrl */
1145 int EVP_PKEY_CTX_md(EVP_PKEY_CTX
*ctx
, int optype
, int cmd
, const char *md
)
1149 if (md
== NULL
|| (m
= EVP_get_digestbyname(md
)) == NULL
) {
1150 EVPerr(EVP_F_EVP_PKEY_CTX_MD
, EVP_R_INVALID_DIGEST
);
1153 return EVP_PKEY_CTX_ctrl(ctx
, -1, optype
, cmd
, 0, (void *)m
);
1156 int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX
*ctx
)
1158 return ctx
->operation
;
1161 void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX
*ctx
, int *dat
, int datlen
)
1163 ctx
->keygen_info
= dat
;
1164 ctx
->keygen_info_count
= datlen
;
1167 void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX
*ctx
, void *data
)
1172 void *EVP_PKEY_CTX_get_data(const EVP_PKEY_CTX
*ctx
)
1177 EVP_PKEY
*EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX
*ctx
)
1182 EVP_PKEY
*EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX
*ctx
)
1184 return ctx
->peerkey
;
1187 void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX
*ctx
, void *data
)
1189 ctx
->app_data
= data
;
1192 void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX
*ctx
)
1194 return ctx
->app_data
;
1197 void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD
*pmeth
,
1198 int (*init
) (EVP_PKEY_CTX
*ctx
))
1203 void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD
*pmeth
,
1204 int (*copy
) (EVP_PKEY_CTX
*dst
,
1205 const EVP_PKEY_CTX
*src
))
1210 void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD
*pmeth
,
1211 void (*cleanup
) (EVP_PKEY_CTX
*ctx
))
1213 pmeth
->cleanup
= cleanup
;
1216 void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD
*pmeth
,
1217 int (*paramgen_init
) (EVP_PKEY_CTX
*ctx
),
1218 int (*paramgen
) (EVP_PKEY_CTX
*ctx
,
1221 pmeth
->paramgen_init
= paramgen_init
;
1222 pmeth
->paramgen
= paramgen
;
1225 void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD
*pmeth
,
1226 int (*keygen_init
) (EVP_PKEY_CTX
*ctx
),
1227 int (*keygen
) (EVP_PKEY_CTX
*ctx
,
1230 pmeth
->keygen_init
= keygen_init
;
1231 pmeth
->keygen
= keygen
;
1234 void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD
*pmeth
,
1235 int (*sign_init
) (EVP_PKEY_CTX
*ctx
),
1236 int (*sign
) (EVP_PKEY_CTX
*ctx
,
1237 unsigned char *sig
, size_t *siglen
,
1238 const unsigned char *tbs
,
1241 pmeth
->sign_init
= sign_init
;
1245 void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD
*pmeth
,
1246 int (*verify_init
) (EVP_PKEY_CTX
*ctx
),
1247 int (*verify
) (EVP_PKEY_CTX
*ctx
,
1248 const unsigned char *sig
,
1250 const unsigned char *tbs
,
1253 pmeth
->verify_init
= verify_init
;
1254 pmeth
->verify
= verify
;
1257 void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD
*pmeth
,
1258 int (*verify_recover_init
) (EVP_PKEY_CTX
1260 int (*verify_recover
) (EVP_PKEY_CTX
1269 pmeth
->verify_recover_init
= verify_recover_init
;
1270 pmeth
->verify_recover
= verify_recover
;
1273 void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD
*pmeth
,
1274 int (*signctx_init
) (EVP_PKEY_CTX
*ctx
,
1276 int (*signctx
) (EVP_PKEY_CTX
*ctx
,
1281 pmeth
->signctx_init
= signctx_init
;
1282 pmeth
->signctx
= signctx
;
1285 void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD
*pmeth
,
1286 int (*verifyctx_init
) (EVP_PKEY_CTX
*ctx
,
1288 int (*verifyctx
) (EVP_PKEY_CTX
*ctx
,
1289 const unsigned char *sig
,
1293 pmeth
->verifyctx_init
= verifyctx_init
;
1294 pmeth
->verifyctx
= verifyctx
;
1297 void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD
*pmeth
,
1298 int (*encrypt_init
) (EVP_PKEY_CTX
*ctx
),
1299 int (*encryptfn
) (EVP_PKEY_CTX
*ctx
,
1302 const unsigned char *in
,
1305 pmeth
->encrypt_init
= encrypt_init
;
1306 pmeth
->encrypt
= encryptfn
;
1309 void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD
*pmeth
,
1310 int (*decrypt_init
) (EVP_PKEY_CTX
*ctx
),
1311 int (*decrypt
) (EVP_PKEY_CTX
*ctx
,
1314 const unsigned char *in
,
1317 pmeth
->decrypt_init
= decrypt_init
;
1318 pmeth
->decrypt
= decrypt
;
1321 void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD
*pmeth
,
1322 int (*derive_init
) (EVP_PKEY_CTX
*ctx
),
1323 int (*derive
) (EVP_PKEY_CTX
*ctx
,
1327 pmeth
->derive_init
= derive_init
;
1328 pmeth
->derive
= derive
;
1331 void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD
*pmeth
,
1332 int (*ctrl
) (EVP_PKEY_CTX
*ctx
, int type
, int p1
,
1334 int (*ctrl_str
) (EVP_PKEY_CTX
*ctx
,
1339 pmeth
->ctrl_str
= ctrl_str
;
1342 void EVP_PKEY_meth_set_digestsign(EVP_PKEY_METHOD
*pmeth
,
1343 int (*digestsign
) (EVP_MD_CTX
*ctx
, unsigned char *sig
, size_t *siglen
,
1344 const unsigned char *tbs
, size_t tbslen
))
1346 pmeth
->digestsign
= digestsign
;
1349 void EVP_PKEY_meth_set_digestverify(EVP_PKEY_METHOD
*pmeth
,
1350 int (*digestverify
) (EVP_MD_CTX
*ctx
, const unsigned char *sig
,
1351 size_t siglen
, const unsigned char *tbs
,
1354 pmeth
->digestverify
= digestverify
;
1357 void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD
*pmeth
,
1358 int (*check
) (EVP_PKEY
*pkey
))
1360 pmeth
->check
= check
;
1363 void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD
*pmeth
,
1364 int (*check
) (EVP_PKEY
*pkey
))
1366 pmeth
->public_check
= check
;
1369 void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD
*pmeth
,
1370 int (*check
) (EVP_PKEY
*pkey
))
1372 pmeth
->param_check
= check
;
1375 void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD
*pmeth
,
1376 int (*digest_custom
) (EVP_PKEY_CTX
*ctx
,
1379 pmeth
->digest_custom
= digest_custom
;
1382 void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD
*pmeth
,
1383 int (**pinit
) (EVP_PKEY_CTX
*ctx
))
1385 *pinit
= pmeth
->init
;
1388 void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD
*pmeth
,
1389 int (**pcopy
) (EVP_PKEY_CTX
*dst
,
1390 const EVP_PKEY_CTX
*src
))
1392 *pcopy
= pmeth
->copy
;
1395 void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD
*pmeth
,
1396 void (**pcleanup
) (EVP_PKEY_CTX
*ctx
))
1398 *pcleanup
= pmeth
->cleanup
;
1401 void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD
*pmeth
,
1402 int (**pparamgen_init
) (EVP_PKEY_CTX
*ctx
),
1403 int (**pparamgen
) (EVP_PKEY_CTX
*ctx
,
1407 *pparamgen_init
= pmeth
->paramgen_init
;
1409 *pparamgen
= pmeth
->paramgen
;
1412 void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD
*pmeth
,
1413 int (**pkeygen_init
) (EVP_PKEY_CTX
*ctx
),
1414 int (**pkeygen
) (EVP_PKEY_CTX
*ctx
,
1418 *pkeygen_init
= pmeth
->keygen_init
;
1420 *pkeygen
= pmeth
->keygen
;
1423 void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD
*pmeth
,
1424 int (**psign_init
) (EVP_PKEY_CTX
*ctx
),
1425 int (**psign
) (EVP_PKEY_CTX
*ctx
,
1426 unsigned char *sig
, size_t *siglen
,
1427 const unsigned char *tbs
,
1431 *psign_init
= pmeth
->sign_init
;
1433 *psign
= pmeth
->sign
;
1436 void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD
*pmeth
,
1437 int (**pverify_init
) (EVP_PKEY_CTX
*ctx
),
1438 int (**pverify
) (EVP_PKEY_CTX
*ctx
,
1439 const unsigned char *sig
,
1441 const unsigned char *tbs
,
1445 *pverify_init
= pmeth
->verify_init
;
1447 *pverify
= pmeth
->verify
;
1450 void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD
*pmeth
,
1451 int (**pverify_recover_init
) (EVP_PKEY_CTX
1453 int (**pverify_recover
) (EVP_PKEY_CTX
1462 if (pverify_recover_init
)
1463 *pverify_recover_init
= pmeth
->verify_recover_init
;
1464 if (pverify_recover
)
1465 *pverify_recover
= pmeth
->verify_recover
;
1468 void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD
*pmeth
,
1469 int (**psignctx_init
) (EVP_PKEY_CTX
*ctx
,
1471 int (**psignctx
) (EVP_PKEY_CTX
*ctx
,
1477 *psignctx_init
= pmeth
->signctx_init
;
1479 *psignctx
= pmeth
->signctx
;
1482 void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD
*pmeth
,
1483 int (**pverifyctx_init
) (EVP_PKEY_CTX
*ctx
,
1485 int (**pverifyctx
) (EVP_PKEY_CTX
*ctx
,
1486 const unsigned char *sig
,
1490 if (pverifyctx_init
)
1491 *pverifyctx_init
= pmeth
->verifyctx_init
;
1493 *pverifyctx
= pmeth
->verifyctx
;
1496 void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD
*pmeth
,
1497 int (**pencrypt_init
) (EVP_PKEY_CTX
*ctx
),
1498 int (**pencryptfn
) (EVP_PKEY_CTX
*ctx
,
1501 const unsigned char *in
,
1505 *pencrypt_init
= pmeth
->encrypt_init
;
1507 *pencryptfn
= pmeth
->encrypt
;
1510 void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD
*pmeth
,
1511 int (**pdecrypt_init
) (EVP_PKEY_CTX
*ctx
),
1512 int (**pdecrypt
) (EVP_PKEY_CTX
*ctx
,
1515 const unsigned char *in
,
1519 *pdecrypt_init
= pmeth
->decrypt_init
;
1521 *pdecrypt
= pmeth
->decrypt
;
1524 void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD
*pmeth
,
1525 int (**pderive_init
) (EVP_PKEY_CTX
*ctx
),
1526 int (**pderive
) (EVP_PKEY_CTX
*ctx
,
1531 *pderive_init
= pmeth
->derive_init
;
1533 *pderive
= pmeth
->derive
;
1536 void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD
*pmeth
,
1537 int (**pctrl
) (EVP_PKEY_CTX
*ctx
, int type
, int p1
,
1539 int (**pctrl_str
) (EVP_PKEY_CTX
*ctx
,
1544 *pctrl
= pmeth
->ctrl
;
1546 *pctrl_str
= pmeth
->ctrl_str
;
1549 void EVP_PKEY_meth_get_digestsign(EVP_PKEY_METHOD
*pmeth
,
1550 int (**digestsign
) (EVP_MD_CTX
*ctx
, unsigned char *sig
, size_t *siglen
,
1551 const unsigned char *tbs
, size_t tbslen
))
1554 *digestsign
= pmeth
->digestsign
;
1557 void EVP_PKEY_meth_get_digestverify(EVP_PKEY_METHOD
*pmeth
,
1558 int (**digestverify
) (EVP_MD_CTX
*ctx
, const unsigned char *sig
,
1559 size_t siglen
, const unsigned char *tbs
,
1563 *digestverify
= pmeth
->digestverify
;
1566 void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD
*pmeth
,
1567 int (**pcheck
) (EVP_PKEY
*pkey
))
1570 *pcheck
= pmeth
->check
;
1573 void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD
*pmeth
,
1574 int (**pcheck
) (EVP_PKEY
*pkey
))
1577 *pcheck
= pmeth
->public_check
;
1580 void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD
*pmeth
,
1581 int (**pcheck
) (EVP_PKEY
*pkey
))
1584 *pcheck
= pmeth
->param_check
;
1587 void EVP_PKEY_meth_get_digest_custom(EVP_PKEY_METHOD
*pmeth
,
1588 int (**pdigest_custom
) (EVP_PKEY_CTX
*ctx
,
1591 if (pdigest_custom
!= NULL
)
1592 *pdigest_custom
= pmeth
->digest_custom
;
1595 #endif /* FIPS_MODULE */