2 * Copyright 2006-2021 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 <openssl/kdf.h>
25 #include "internal/cryptlib.h"
26 #include "crypto/asn1.h"
27 #include "crypto/evp.h"
28 #include "crypto/dh.h"
29 #include "crypto/ec.h"
30 #include "internal/ffc.h"
31 #include "internal/numbers.h"
32 #include "internal/provider.h"
33 #include "evp_local.h"
37 static int evp_pkey_ctx_store_cached_data(EVP_PKEY_CTX *ctx,
38 int keytype, int optype,
39 int cmd, const char *name,
40 const void *data, size_t data_len);
41 static void evp_pkey_ctx_free_cached_data(EVP_PKEY_CTX *ctx,
42 int cmd, const char *name);
43 static void evp_pkey_ctx_free_all_cached_data(EVP_PKEY_CTX *ctx);
45 typedef const EVP_PKEY_METHOD *(*pmeth_fn)(void);
46 typedef int sk_cmp_fn_type(const char *const *a, const char *const *b);
48 static STACK_OF(EVP_PKEY_METHOD) *app_pkey_methods = NULL;
50 /* This array needs to be in order of NIDs */
51 static pmeth_fn standard_methods[] = {
53 # ifndef OPENSSL_NO_DH
56 # ifndef OPENSSL_NO_DSA
59 # ifndef OPENSSL_NO_EC
62 ossl_rsa_pss_pkey_method,
63 # ifndef OPENSSL_NO_DH
66 # ifndef OPENSSL_NO_EC
70 # ifndef OPENSSL_NO_EC
76 DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, pmeth_fn, pmeth_func);
78 static int pmeth_func_cmp(const EVP_PKEY_METHOD *const *a, pmeth_fn const *b)
80 return ((*a)->pkey_id - ((**b)())->pkey_id);
83 IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, pmeth_fn, pmeth_func);
85 static int pmeth_cmp(const EVP_PKEY_METHOD *const *a,
86 const EVP_PKEY_METHOD *const *b)
88 return ((*a)->pkey_id - (*b)->pkey_id);
91 static const EVP_PKEY_METHOD *evp_pkey_meth_find_added_by_application(int type)
93 if (app_pkey_methods != NULL) {
98 idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp);
100 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
105 const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type)
109 const EVP_PKEY_METHOD *t;
111 if ((t = evp_pkey_meth_find_added_by_application(type)) != NULL)
116 ret = OBJ_bsearch_pmeth_func(&t, standard_methods,
117 OSSL_NELEM(standard_methods));
118 if (ret == NULL || *ret == NULL)
123 EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags)
125 EVP_PKEY_METHOD *pmeth;
127 pmeth = OPENSSL_zalloc(sizeof(*pmeth));
129 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
134 pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC;
138 static void help_get_legacy_alg_type_from_keymgmt(const char *keytype,
143 if (*type == NID_undef)
144 *type = evp_pkey_name2type(keytype);
147 static int get_legacy_alg_type_from_keymgmt(const EVP_KEYMGMT *keymgmt)
149 int type = NID_undef;
151 EVP_KEYMGMT_names_do_all(keymgmt, help_get_legacy_alg_type_from_keymgmt,
155 #endif /* FIPS_MODULE */
157 int evp_pkey_ctx_state(const EVP_PKEY_CTX *ctx)
159 if (ctx->operation == EVP_PKEY_OP_UNDEFINED)
160 return EVP_PKEY_STATE_UNKNOWN;
162 if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
163 && ctx->op.kex.exchprovctx != NULL)
164 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
165 && ctx->op.sig.sigprovctx != NULL)
166 || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
167 && ctx->op.ciph.ciphprovctx != NULL)
168 || (EVP_PKEY_CTX_IS_GEN_OP(ctx)
169 && ctx->op.keymgmt.genctx != NULL)
170 || (EVP_PKEY_CTX_IS_KEM_OP(ctx)
171 && ctx->op.encap.kemprovctx != NULL))
172 return EVP_PKEY_STATE_PROVIDER;
174 return EVP_PKEY_STATE_LEGACY;
177 static EVP_PKEY_CTX *int_ctx_new(OSSL_LIB_CTX *libctx,
178 EVP_PKEY *pkey, ENGINE *e,
179 const char *keytype, const char *propquery,
183 EVP_PKEY_CTX *ret = NULL;
184 const EVP_PKEY_METHOD *pmeth = NULL;
185 EVP_KEYMGMT *keymgmt = NULL;
188 * If the given |pkey| is provided, we extract the keytype from its
189 * keymgmt and skip over the legacy code.
191 if (pkey != NULL && evp_pkey_is_provided(pkey)) {
192 /* If we have an engine, something went wrong somewhere... */
193 if (!ossl_assert(e == NULL))
195 keytype = evp_first_name(pkey->keymgmt->prov, pkey->keymgmt->name_id);
201 * TODO(3.0) This legacy code section should be removed when we stop
208 else if (keytype != NULL)
209 id = evp_pkey_name2type(keytype);
213 /* If no ID was found here, we can only resort to find a keymgmt */
218 * Here, we extract what information we can for the purpose of
219 * supporting usage with implementations from providers, to make
220 * for a smooth transition from legacy stuff to provider based stuff.
222 * If an engine is given, this is entirely legacy, and we should not
223 * pretend anything else, so we only set the name when no engine is
224 * given. If both are already given, someone made a mistake, and
225 * since that can only happen internally, it's safe to make an
228 if (!ossl_assert(e == NULL || keytype == NULL))
231 keytype = OBJ_nid2sn(id);
233 # ifndef OPENSSL_NO_ENGINE
234 if (e == NULL && pkey != NULL)
235 e = pkey->pmeth_engine != NULL ? pkey->pmeth_engine : pkey->engine;
236 /* Try to find an ENGINE which implements this method */
238 if (!ENGINE_init(e)) {
239 ERR_raise(ERR_LIB_EVP, ERR_R_ENGINE_LIB);
243 e = ENGINE_get_pkey_meth_engine(id);
247 * If an ENGINE handled this method look it up. Otherwise use internal
251 pmeth = ENGINE_get_pkey_meth(e, id);
254 pmeth = evp_pkey_meth_find_added_by_application(id);
257 #endif /* FIPS_MODULE */
260 * If there's no engine and there's a name, we try fetching a provider
263 if (e == NULL && keytype != NULL) {
264 keymgmt = EVP_KEYMGMT_fetch(libctx, keytype, propquery);
266 return NULL; /* EVP_KEYMGMT_fetch() recorded an error */
270 * Chase down the legacy NID, as that might be needed for diverse
271 * purposes, such as ensure that EVP_PKEY_type() can return sensible
272 * values, or that there's a better chance to "downgrade" a key when
273 * needed. We go through all keymgmt names, because the keytype
274 * that's passed to this function doesn't necessarily translate
276 * TODO: Remove this when #legacy keys are gone.
278 if (keymgmt != NULL) {
279 int tmp_id = get_legacy_alg_type_from_keymgmt(keymgmt);
281 if (tmp_id != NID_undef) {
286 * It really really shouldn't differ. If it still does,
287 * something is very wrong.
289 if (!ossl_assert(id == tmp_id)) {
290 ERR_raise(ERR_LIB_EVP, ERR_R_INTERNAL_ERROR);
291 EVP_KEYMGMT_free(keymgmt);
300 if (pmeth == NULL && keymgmt == NULL) {
301 ERR_raise(ERR_LIB_EVP, EVP_R_UNSUPPORTED_ALGORITHM);
303 ret = OPENSSL_zalloc(sizeof(*ret));
305 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
308 #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE)
309 if ((ret == NULL || pmeth == NULL) && e != NULL)
314 EVP_KEYMGMT_free(keymgmt);
317 if (propquery != NULL) {
318 ret->propquery = OPENSSL_strdup(propquery);
319 if (ret->propquery == NULL) {
320 EVP_KEYMGMT_free(keymgmt);
324 ret->libctx = libctx;
325 ret->keytype = keytype;
326 ret->keymgmt = keymgmt;
327 ret->legacy_keytype = id; /* TODO: Remove when #legacy key are gone */
330 ret->operation = EVP_PKEY_OP_UNDEFINED;
333 EVP_PKEY_up_ref(pkey);
335 if (pmeth != NULL && pmeth->init != NULL) {
336 if (pmeth->init(ret) <= 0) {
338 EVP_PKEY_CTX_free(ret);
346 /*- All methods below can also be used in FIPS_MODULE */
348 EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_name(OSSL_LIB_CTX *libctx,
350 const char *propquery)
352 return int_ctx_new(libctx, NULL, NULL, name, propquery, -1);
355 EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_pkey(OSSL_LIB_CTX *libctx, EVP_PKEY *pkey,
356 const char *propquery)
358 return int_ctx_new(libctx, pkey, NULL, NULL, propquery, -1);
361 void evp_pkey_ctx_free_old_ops(EVP_PKEY_CTX *ctx)
363 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
364 if (ctx->op.sig.sigprovctx != NULL && ctx->op.sig.signature != NULL)
365 ctx->op.sig.signature->freectx(ctx->op.sig.sigprovctx);
366 EVP_SIGNATURE_free(ctx->op.sig.signature);
367 ctx->op.sig.sigprovctx = NULL;
368 ctx->op.sig.signature = NULL;
369 } else if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
370 if (ctx->op.kex.exchprovctx != NULL && ctx->op.kex.exchange != NULL)
371 ctx->op.kex.exchange->freectx(ctx->op.kex.exchprovctx);
372 EVP_KEYEXCH_free(ctx->op.kex.exchange);
373 ctx->op.kex.exchprovctx = NULL;
374 ctx->op.kex.exchange = NULL;
375 } else if (EVP_PKEY_CTX_IS_KEM_OP(ctx)) {
376 if (ctx->op.encap.kemprovctx != NULL && ctx->op.encap.kem != NULL)
377 ctx->op.encap.kem->freectx(ctx->op.encap.kemprovctx);
378 EVP_KEM_free(ctx->op.encap.kem);
379 ctx->op.encap.kemprovctx = NULL;
380 ctx->op.encap.kem = NULL;
382 else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)) {
383 if (ctx->op.ciph.ciphprovctx != NULL && ctx->op.ciph.cipher != NULL)
384 ctx->op.ciph.cipher->freectx(ctx->op.ciph.ciphprovctx);
385 EVP_ASYM_CIPHER_free(ctx->op.ciph.cipher);
386 ctx->op.ciph.ciphprovctx = NULL;
387 ctx->op.ciph.cipher = NULL;
388 } else if (EVP_PKEY_CTX_IS_GEN_OP(ctx)) {
389 if (ctx->op.keymgmt.genctx != NULL && ctx->keymgmt != NULL)
390 evp_keymgmt_gen_cleanup(ctx->keymgmt, ctx->op.keymgmt.genctx);
394 void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
398 if (ctx->pmeth && ctx->pmeth->cleanup)
399 ctx->pmeth->cleanup(ctx);
401 evp_pkey_ctx_free_old_ops(ctx);
403 evp_pkey_ctx_free_all_cached_data(ctx);
405 EVP_KEYMGMT_free(ctx->keymgmt);
407 OPENSSL_free(ctx->propquery);
408 EVP_PKEY_free(ctx->pkey);
409 EVP_PKEY_free(ctx->peerkey);
410 #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE)
411 ENGINE_finish(ctx->engine);
413 BN_free(ctx->rsa_pubexp);
419 void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
420 const EVP_PKEY_METHOD *meth)
423 *ppkey_id = meth->pkey_id;
425 *pflags = meth->flags;
428 void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src)
430 int pkey_id = dst->pkey_id;
431 int flags = dst->flags;
435 /* We only copy the function pointers so restore the other values */
436 dst->pkey_id = pkey_id;
440 void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth)
442 if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC))
446 EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e)
448 return int_ctx_new(NULL, pkey, e, NULL, NULL, -1);
451 EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e)
453 return int_ctx_new(NULL, NULL, e, NULL, NULL, id);
456 EVP_PKEY_CTX *EVP_PKEY_CTX_dup(const EVP_PKEY_CTX *pctx)
460 # ifndef OPENSSL_NO_ENGINE
461 /* Make sure it's safe to copy a pkey context using an ENGINE */
462 if (pctx->engine && !ENGINE_init(pctx->engine)) {
463 ERR_raise(ERR_LIB_EVP, ERR_R_ENGINE_LIB);
467 rctx = OPENSSL_zalloc(sizeof(*rctx));
469 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
473 if (pctx->pkey != NULL)
474 EVP_PKEY_up_ref(pctx->pkey);
475 rctx->pkey = pctx->pkey;
476 rctx->operation = pctx->operation;
477 rctx->libctx = pctx->libctx;
478 rctx->keytype = pctx->keytype;
479 rctx->propquery = NULL;
480 if (pctx->propquery != NULL) {
481 rctx->propquery = OPENSSL_strdup(pctx->propquery);
482 if (rctx->propquery == NULL)
485 rctx->legacy_keytype = pctx->legacy_keytype;
487 if (EVP_PKEY_CTX_IS_DERIVE_OP(pctx)) {
488 if (pctx->op.kex.exchange != NULL) {
489 rctx->op.kex.exchange = pctx->op.kex.exchange;
490 if (!EVP_KEYEXCH_up_ref(rctx->op.kex.exchange))
493 if (pctx->op.kex.exchprovctx != NULL) {
494 if (!ossl_assert(pctx->op.kex.exchange != NULL))
496 rctx->op.kex.exchprovctx
497 = pctx->op.kex.exchange->dupctx(pctx->op.kex.exchprovctx);
498 if (rctx->op.kex.exchprovctx == NULL) {
499 EVP_KEYEXCH_free(rctx->op.kex.exchange);
504 } else if (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx)) {
505 if (pctx->op.sig.signature != NULL) {
506 rctx->op.sig.signature = pctx->op.sig.signature;
507 if (!EVP_SIGNATURE_up_ref(rctx->op.sig.signature))
510 if (pctx->op.sig.sigprovctx != NULL) {
511 if (!ossl_assert(pctx->op.sig.signature != NULL))
513 rctx->op.sig.sigprovctx
514 = pctx->op.sig.signature->dupctx(pctx->op.sig.sigprovctx);
515 if (rctx->op.sig.sigprovctx == NULL) {
516 EVP_SIGNATURE_free(rctx->op.sig.signature);
521 } else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(pctx)) {
522 if (pctx->op.ciph.cipher != NULL) {
523 rctx->op.ciph.cipher = pctx->op.ciph.cipher;
524 if (!EVP_ASYM_CIPHER_up_ref(rctx->op.ciph.cipher))
527 if (pctx->op.ciph.ciphprovctx != NULL) {
528 if (!ossl_assert(pctx->op.ciph.cipher != NULL))
530 rctx->op.ciph.ciphprovctx
531 = pctx->op.ciph.cipher->dupctx(pctx->op.ciph.ciphprovctx);
532 if (rctx->op.ciph.ciphprovctx == NULL) {
533 EVP_ASYM_CIPHER_free(rctx->op.ciph.cipher);
538 } else if (EVP_PKEY_CTX_IS_KEM_OP(pctx)) {
539 if (pctx->op.encap.kem != NULL) {
540 rctx->op.encap.kem = pctx->op.encap.kem;
541 if (!EVP_KEM_up_ref(rctx->op.encap.kem))
544 if (pctx->op.encap.kemprovctx != NULL) {
545 if (!ossl_assert(pctx->op.encap.kem != NULL))
547 rctx->op.encap.kemprovctx
548 = pctx->op.encap.kem->dupctx(pctx->op.encap.kemprovctx);
549 if (rctx->op.encap.kemprovctx == NULL) {
550 EVP_KEM_free(rctx->op.encap.kem);
555 } else if (EVP_PKEY_CTX_IS_GEN_OP(pctx)) {
556 /* Not supported - This would need a gen_dupctx() to work */
560 rctx->pmeth = pctx->pmeth;
561 # ifndef OPENSSL_NO_ENGINE
562 rctx->engine = pctx->engine;
565 if (pctx->peerkey != NULL)
566 EVP_PKEY_up_ref(pctx->peerkey);
567 rctx->peerkey = pctx->peerkey;
569 if (pctx->pmeth == NULL) {
570 if (rctx->operation == EVP_PKEY_OP_UNDEFINED) {
571 EVP_KEYMGMT *tmp_keymgmt = pctx->keymgmt;
574 provkey = evp_pkey_export_to_provider(pctx->pkey, pctx->libctx,
575 &tmp_keymgmt, pctx->propquery);
578 if (!EVP_KEYMGMT_up_ref(tmp_keymgmt))
580 EVP_KEYMGMT_free(rctx->keymgmt);
581 rctx->keymgmt = tmp_keymgmt;
584 } else if (pctx->pmeth->copy(rctx, pctx) > 0) {
589 EVP_PKEY_CTX_free(rctx);
593 int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth)
595 if (app_pkey_methods == NULL) {
596 app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp);
597 if (app_pkey_methods == NULL){
598 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
602 if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth)) {
603 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
606 sk_EVP_PKEY_METHOD_sort(app_pkey_methods);
610 void evp_app_cleanup_int(void)
612 if (app_pkey_methods != NULL)
613 sk_EVP_PKEY_METHOD_pop_free(app_pkey_methods, EVP_PKEY_meth_free);
616 int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD *pmeth)
618 const EVP_PKEY_METHOD *ret;
620 ret = sk_EVP_PKEY_METHOD_delete_ptr(app_pkey_methods, pmeth);
622 return ret == NULL ? 0 : 1;
625 size_t EVP_PKEY_meth_get_count(void)
627 size_t rv = OSSL_NELEM(standard_methods);
629 if (app_pkey_methods)
630 rv += sk_EVP_PKEY_METHOD_num(app_pkey_methods);
634 const EVP_PKEY_METHOD *EVP_PKEY_meth_get0(size_t idx)
636 if (idx < OSSL_NELEM(standard_methods))
637 return (standard_methods[idx])();
638 if (app_pkey_methods == NULL)
640 idx -= OSSL_NELEM(standard_methods);
641 if (idx >= (size_t)sk_EVP_PKEY_METHOD_num(app_pkey_methods))
643 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
647 int EVP_PKEY_CTX_is_a(EVP_PKEY_CTX *ctx, const char *keytype)
650 if (evp_pkey_ctx_is_legacy(ctx))
651 return (ctx->pmeth->pkey_id == evp_pkey_name2type(keytype));
653 return EVP_KEYMGMT_is_a(ctx->keymgmt, keytype);
656 int EVP_PKEY_CTX_set_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
658 switch (evp_pkey_ctx_state(ctx)) {
659 case EVP_PKEY_STATE_PROVIDER:
660 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
661 && ctx->op.kex.exchange != NULL
662 && ctx->op.kex.exchange->set_ctx_params != NULL)
664 ctx->op.kex.exchange->set_ctx_params(ctx->op.kex.exchprovctx,
666 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
667 && ctx->op.sig.signature != NULL
668 && ctx->op.sig.signature->set_ctx_params != NULL)
670 ctx->op.sig.signature->set_ctx_params(ctx->op.sig.sigprovctx,
672 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
673 && ctx->op.ciph.cipher != NULL
674 && ctx->op.ciph.cipher->set_ctx_params != NULL)
676 ctx->op.ciph.cipher->set_ctx_params(ctx->op.ciph.ciphprovctx,
678 if (EVP_PKEY_CTX_IS_GEN_OP(ctx)
679 && ctx->keymgmt != NULL
680 && ctx->keymgmt->gen_set_params != NULL)
682 evp_keymgmt_gen_set_params(ctx->keymgmt, ctx->op.keymgmt.genctx,
684 if (EVP_PKEY_CTX_IS_KEM_OP(ctx)
685 && ctx->op.encap.kem != NULL
686 && ctx->op.encap.kem->set_ctx_params != NULL)
688 ctx->op.encap.kem->set_ctx_params(ctx->op.encap.kemprovctx,
692 case EVP_PKEY_STATE_UNKNOWN:
693 case EVP_PKEY_STATE_LEGACY:
694 return evp_pkey_ctx_set_params_to_ctrl(ctx, params);
700 int EVP_PKEY_CTX_get_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
702 switch (evp_pkey_ctx_state(ctx)) {
703 case EVP_PKEY_STATE_PROVIDER:
704 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
705 && ctx->op.kex.exchange != NULL
706 && ctx->op.kex.exchange->get_ctx_params != NULL)
708 ctx->op.kex.exchange->get_ctx_params(ctx->op.kex.exchprovctx,
710 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
711 && ctx->op.sig.signature != NULL
712 && ctx->op.sig.signature->get_ctx_params != NULL)
714 ctx->op.sig.signature->get_ctx_params(ctx->op.sig.sigprovctx,
716 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
717 && ctx->op.ciph.cipher != NULL
718 && ctx->op.ciph.cipher->get_ctx_params != NULL)
720 ctx->op.ciph.cipher->get_ctx_params(ctx->op.ciph.ciphprovctx,
722 if (EVP_PKEY_CTX_IS_KEM_OP(ctx)
723 && ctx->op.encap.kem != NULL
724 && ctx->op.encap.kem->get_ctx_params != NULL)
726 ctx->op.encap.kem->get_ctx_params(ctx->op.encap.kemprovctx,
730 case EVP_PKEY_STATE_UNKNOWN:
731 case EVP_PKEY_STATE_LEGACY:
732 return evp_pkey_ctx_get_params_to_ctrl(ctx, params);
739 const OSSL_PARAM *EVP_PKEY_CTX_gettable_params(EVP_PKEY_CTX *ctx)
743 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
744 && ctx->op.kex.exchange != NULL
745 && ctx->op.kex.exchange->gettable_ctx_params != NULL) {
746 provctx = ossl_provider_ctx(EVP_KEYEXCH_provider(ctx->op.kex.exchange));
747 return ctx->op.kex.exchange->gettable_ctx_params(provctx);
749 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
750 && ctx->op.sig.signature != NULL
751 && ctx->op.sig.signature->gettable_ctx_params != NULL) {
752 provctx = ossl_provider_ctx(
753 EVP_SIGNATURE_provider(ctx->op.sig.signature));
754 return ctx->op.sig.signature->gettable_ctx_params(provctx);
756 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
757 && ctx->op.ciph.cipher != NULL
758 && ctx->op.ciph.cipher->gettable_ctx_params != NULL) {
759 provctx = ossl_provider_ctx(
760 EVP_ASYM_CIPHER_provider(ctx->op.ciph.cipher));
761 return ctx->op.ciph.cipher->gettable_ctx_params(provctx);
763 if (EVP_PKEY_CTX_IS_KEM_OP(ctx)
764 && ctx->op.encap.kem != NULL
765 && ctx->op.encap.kem->gettable_ctx_params != NULL) {
766 provctx = ossl_provider_ctx(EVP_KEM_provider(ctx->op.encap.kem));
767 return ctx->op.encap.kem->gettable_ctx_params(provctx);
772 const OSSL_PARAM *EVP_PKEY_CTX_settable_params(EVP_PKEY_CTX *ctx)
776 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
777 && ctx->op.kex.exchange != NULL
778 && ctx->op.kex.exchange->settable_ctx_params != NULL) {
779 provctx = ossl_provider_ctx(EVP_KEYEXCH_provider(ctx->op.kex.exchange));
780 return ctx->op.kex.exchange->settable_ctx_params(provctx);
782 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
783 && ctx->op.sig.signature != NULL
784 && ctx->op.sig.signature->settable_ctx_params != NULL) {
785 provctx = ossl_provider_ctx(
786 EVP_SIGNATURE_provider(ctx->op.sig.signature));
787 return ctx->op.sig.signature->settable_ctx_params(provctx);
789 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
790 && ctx->op.ciph.cipher != NULL
791 && ctx->op.ciph.cipher->settable_ctx_params != NULL) {
792 provctx = ossl_provider_ctx(
793 EVP_ASYM_CIPHER_provider(ctx->op.ciph.cipher));
794 return ctx->op.ciph.cipher->settable_ctx_params(provctx);
796 if (EVP_PKEY_CTX_IS_GEN_OP(ctx)
797 && ctx->keymgmt != NULL)
798 return EVP_KEYMGMT_gen_settable_params(ctx->keymgmt);
799 if (EVP_PKEY_CTX_IS_KEM_OP(ctx)
800 && ctx->op.encap.kem != NULL
801 && ctx->op.encap.kem->settable_ctx_params != NULL) {
802 provctx = ossl_provider_ctx(EVP_KEM_provider(ctx->op.encap.kem));
803 return ctx->op.encap.kem->settable_ctx_params(provctx);
809 * Internal helpers for stricter EVP_PKEY_CTX_{set,get}_params().
811 * Return 1 on success, 0 or negative for errors.
813 * In particular they return -2 if any of the params is not supported.
815 * They are not available in FIPS_MODULE as they depend on
816 * - EVP_PKEY_CTX_{get,set}_params()
817 * - EVP_PKEY_CTX_{gettable,settable}_params()
820 int evp_pkey_ctx_set_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
822 if (ctx == NULL || params == NULL)
826 * We only check for provider side EVP_PKEY_CTX. For #legacy, we
827 * depend on the translation that happens in EVP_PKEY_CTX_set_params()
828 * call, and that the resulting ctrl call will return -2 if it doesn't
829 * known the ctrl command number.
831 if (evp_pkey_ctx_is_provided(ctx)) {
832 const OSSL_PARAM *settable = EVP_PKEY_CTX_settable_params(ctx);
835 for (p = params; p->key != NULL; p++) {
836 /* Check the ctx actually understands this parameter */
837 if (OSSL_PARAM_locate_const(settable, p->key) == NULL )
842 return EVP_PKEY_CTX_set_params(ctx, params);
845 int evp_pkey_ctx_get_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
847 if (ctx == NULL || params == NULL)
851 * We only check for provider side EVP_PKEY_CTX. For #legacy, we
852 * depend on the translation that happens in EVP_PKEY_CTX_get_params()
853 * call, and that the resulting ctrl call will return -2 if it doesn't
854 * known the ctrl command number.
856 if (evp_pkey_ctx_is_provided(ctx)) {
857 const OSSL_PARAM *gettable = EVP_PKEY_CTX_gettable_params(ctx);
860 for (p = params; p->key != NULL; p++ ) {
861 /* Check the ctx actually understands this parameter */
862 if (OSSL_PARAM_locate_const(gettable, p->key) == NULL )
867 return EVP_PKEY_CTX_get_params(ctx, params);
870 int EVP_PKEY_CTX_get_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD **md)
872 OSSL_PARAM sig_md_params[2], *p = sig_md_params;
873 /* 80 should be big enough */
877 if (ctx == NULL || !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
878 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
879 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
883 /* TODO(3.0): Remove this eventually when no more legacy */
884 if (ctx->op.sig.sigprovctx == NULL)
885 return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,
886 EVP_PKEY_CTRL_GET_MD, 0, (void *)(md));
888 *p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST,
891 *p = OSSL_PARAM_construct_end();
893 if (!EVP_PKEY_CTX_get_params(ctx, sig_md_params))
896 tmp = evp_get_digestbyname_ex(ctx->libctx, name);
905 static int evp_pkey_ctx_set_md(EVP_PKEY_CTX *ctx, const EVP_MD *md,
906 int fallback, const char *param, int op,
909 OSSL_PARAM md_params[2], *p = md_params;
912 if (ctx == NULL || (ctx->operation & op) == 0) {
913 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
914 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
918 /* TODO(3.0): Remove this eventually when no more legacy */
920 return EVP_PKEY_CTX_ctrl(ctx, -1, op, ctrl, 0, (void *)(md));
925 name = EVP_MD_name(md);
928 *p++ = OSSL_PARAM_construct_utf8_string(param,
930 * Cast away the const. This is read
931 * only so should be safe
934 *p = OSSL_PARAM_construct_end();
936 return EVP_PKEY_CTX_set_params(ctx, md_params);
939 int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
941 return evp_pkey_ctx_set_md(ctx, md, ctx->op.sig.sigprovctx == NULL,
942 OSSL_SIGNATURE_PARAM_DIGEST,
943 EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD);
946 int EVP_PKEY_CTX_set_tls1_prf_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
948 return evp_pkey_ctx_set_md(ctx, md, ctx->op.kex.exchprovctx == NULL,
949 OSSL_KDF_PARAM_DIGEST,
950 EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_TLS_MD);
953 static int evp_pkey_ctx_set1_octet_string(EVP_PKEY_CTX *ctx, int fallback,
954 const char *param, int op, int ctrl,
955 const unsigned char *data,
958 OSSL_PARAM octet_string_params[2], *p = octet_string_params;
960 if (ctx == NULL || (ctx->operation & op) == 0) {
961 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
962 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
966 /* TODO(3.0): Remove this eventually when no more legacy */
968 return EVP_PKEY_CTX_ctrl(ctx, -1, op, ctrl, datalen, (void *)(data));
971 ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_LENGTH);
975 *p++ = OSSL_PARAM_construct_octet_string(param,
977 * Cast away the const. This is read
978 * only so should be safe
980 (unsigned char *)data,
982 *p = OSSL_PARAM_construct_end();
984 return EVP_PKEY_CTX_set_params(ctx, octet_string_params);
987 int EVP_PKEY_CTX_set1_tls1_prf_secret(EVP_PKEY_CTX *ctx,
988 const unsigned char *sec, int seclen)
990 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
991 OSSL_KDF_PARAM_SECRET,
993 EVP_PKEY_CTRL_TLS_SECRET,
997 int EVP_PKEY_CTX_add1_tls1_prf_seed(EVP_PKEY_CTX *ctx,
998 const unsigned char *seed, int seedlen)
1000 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
1001 OSSL_KDF_PARAM_SEED,
1003 EVP_PKEY_CTRL_TLS_SEED,
1007 int EVP_PKEY_CTX_set_hkdf_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
1009 return evp_pkey_ctx_set_md(ctx, md, ctx->op.kex.exchprovctx == NULL,
1010 OSSL_KDF_PARAM_DIGEST,
1011 EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_HKDF_MD);
1014 int EVP_PKEY_CTX_set1_hkdf_salt(EVP_PKEY_CTX *ctx,
1015 const unsigned char *salt, int saltlen)
1017 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
1018 OSSL_KDF_PARAM_SALT,
1020 EVP_PKEY_CTRL_HKDF_SALT,
1024 int EVP_PKEY_CTX_set1_hkdf_key(EVP_PKEY_CTX *ctx,
1025 const unsigned char *key, int keylen)
1027 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
1030 EVP_PKEY_CTRL_HKDF_KEY,
1034 int EVP_PKEY_CTX_add1_hkdf_info(EVP_PKEY_CTX *ctx,
1035 const unsigned char *info, int infolen)
1037 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
1038 OSSL_KDF_PARAM_INFO,
1040 EVP_PKEY_CTRL_HKDF_INFO,
1044 int EVP_PKEY_CTX_hkdf_mode(EVP_PKEY_CTX *ctx, int mode)
1046 OSSL_PARAM int_params[2], *p = int_params;
1048 if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
1049 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1050 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
1054 /* TODO(3.0): Remove this eventually when no more legacy */
1055 if (ctx->op.kex.exchprovctx == NULL)
1056 return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_DERIVE,
1057 EVP_PKEY_CTRL_HKDF_MODE, mode, NULL);
1061 ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_VALUE);
1065 *p++ = OSSL_PARAM_construct_int(OSSL_KDF_PARAM_MODE, &mode);
1066 *p = OSSL_PARAM_construct_end();
1068 return EVP_PKEY_CTX_set_params(ctx, int_params);
1071 int EVP_PKEY_CTX_set1_pbe_pass(EVP_PKEY_CTX *ctx, const char *pass,
1074 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
1075 OSSL_KDF_PARAM_PASSWORD,
1078 (const unsigned char *)pass, passlen);
1081 int EVP_PKEY_CTX_set1_scrypt_salt(EVP_PKEY_CTX *ctx,
1082 const unsigned char *salt, int saltlen)
1084 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
1085 OSSL_KDF_PARAM_SALT,
1087 EVP_PKEY_CTRL_SCRYPT_SALT,
1091 static int evp_pkey_ctx_set_uint64(EVP_PKEY_CTX *ctx, const char *param,
1092 int op, int ctrl, uint64_t val)
1094 OSSL_PARAM uint64_params[2], *p = uint64_params;
1096 if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
1097 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1098 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
1102 /* TODO(3.0): Remove this eventually when no more legacy */
1103 if (ctx->op.kex.exchprovctx == NULL)
1104 return EVP_PKEY_CTX_ctrl_uint64(ctx, -1, op, ctrl, val);
1106 *p++ = OSSL_PARAM_construct_uint64(param, &val);
1107 *p = OSSL_PARAM_construct_end();
1109 return EVP_PKEY_CTX_set_params(ctx, uint64_params);
1112 int EVP_PKEY_CTX_set_scrypt_N(EVP_PKEY_CTX *ctx, uint64_t n)
1114 return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_N,
1115 EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_SCRYPT_N,
1119 int EVP_PKEY_CTX_set_scrypt_r(EVP_PKEY_CTX *ctx, uint64_t r)
1121 return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_R,
1122 EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_SCRYPT_R,
1126 int EVP_PKEY_CTX_set_scrypt_p(EVP_PKEY_CTX *ctx, uint64_t p)
1128 return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_P,
1129 EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_SCRYPT_P,
1133 int EVP_PKEY_CTX_set_scrypt_maxmem_bytes(EVP_PKEY_CTX *ctx,
1134 uint64_t maxmem_bytes)
1136 return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_MAXMEM,
1138 EVP_PKEY_CTRL_SCRYPT_MAXMEM_BYTES,
1142 int EVP_PKEY_CTX_set_mac_key(EVP_PKEY_CTX *ctx, const unsigned char *key,
1145 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.keymgmt.genctx == NULL,
1146 OSSL_PKEY_PARAM_PRIV_KEY,
1148 EVP_PKEY_CTRL_SET_MAC_KEY,
1152 int EVP_PKEY_CTX_set_kem_op(EVP_PKEY_CTX *ctx, const char *op)
1154 OSSL_PARAM params[2], *p = params;
1156 if (ctx == NULL || op == NULL) {
1157 ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_VALUE);
1160 if (!EVP_PKEY_CTX_IS_KEM_OP(ctx)) {
1161 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1164 *p++ = OSSL_PARAM_construct_utf8_string(OSSL_KEM_PARAM_OPERATION,
1166 *p = OSSL_PARAM_construct_end();
1167 return EVP_PKEY_CTX_set_params(ctx, params);
1170 int evp_pkey_ctx_set1_id_prov(EVP_PKEY_CTX *ctx, const void *id, int len)
1172 OSSL_PARAM params[2], *p = params;
1175 if (!EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
1176 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1177 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
1181 *p++ = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_DIST_ID,
1183 * Cast away the const. This is
1184 * read only so should be safe
1186 (void *)id, (size_t)len);
1187 *p++ = OSSL_PARAM_construct_end();
1189 ret = evp_pkey_ctx_set_params_strict(ctx, params);
1191 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1195 int EVP_PKEY_CTX_set1_id(EVP_PKEY_CTX *ctx, const void *id, int len)
1197 return EVP_PKEY_CTX_ctrl(ctx, -1, -1,
1198 EVP_PKEY_CTRL_SET1_ID, (int)len, (void*)(id));
1201 static int get1_id_data(EVP_PKEY_CTX *ctx, void *id, size_t *id_len)
1204 void *tmp_id = NULL;
1205 OSSL_PARAM params[2], *p = params;
1207 if (!EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
1208 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1209 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
1213 *p++ = OSSL_PARAM_construct_octet_ptr(OSSL_PKEY_PARAM_DIST_ID,
1215 *p++ = OSSL_PARAM_construct_end();
1217 ret = evp_pkey_ctx_get_params_strict(ctx, params);
1219 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1220 } else if (ret > 0) {
1221 size_t tmp_id_len = params[0].return_size;
1224 memcpy(id, tmp_id, tmp_id_len);
1226 *id_len = tmp_id_len;
1231 int evp_pkey_ctx_get1_id_prov(EVP_PKEY_CTX *ctx, void *id)
1233 return get1_id_data(ctx, id, NULL);
1236 int evp_pkey_ctx_get1_id_len_prov(EVP_PKEY_CTX *ctx, size_t *id_len)
1238 return get1_id_data(ctx, NULL, id_len);
1241 int EVP_PKEY_CTX_get1_id(EVP_PKEY_CTX *ctx, void *id)
1243 return EVP_PKEY_CTX_ctrl(ctx, -1, -1, EVP_PKEY_CTRL_GET1_ID, 0, (void*)id);
1246 int EVP_PKEY_CTX_get1_id_len(EVP_PKEY_CTX *ctx, size_t *id_len)
1248 return EVP_PKEY_CTX_ctrl(ctx, -1, -1,
1249 EVP_PKEY_CTRL_GET1_ID_LEN, 0, (void*)id_len);
1252 static int evp_pkey_ctx_ctrl_int(EVP_PKEY_CTX *ctx, int keytype, int optype,
1253 int cmd, int p1, void *p2)
1258 * If the method has a |digest_custom| function, we can relax the
1259 * operation type check, since this can be called before the operation
1262 if (ctx->pmeth == NULL || ctx->pmeth->digest_custom == NULL) {
1263 if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {
1264 ERR_raise(ERR_LIB_EVP, EVP_R_NO_OPERATION_SET);
1268 if ((optype != -1) && !(ctx->operation & optype)) {
1269 ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_OPERATION);
1274 switch (evp_pkey_ctx_state(ctx)) {
1275 case EVP_PKEY_STATE_PROVIDER:
1276 return evp_pkey_ctx_ctrl_to_param(ctx, keytype, optype, cmd, p1, p2);
1277 case EVP_PKEY_STATE_UNKNOWN:
1278 case EVP_PKEY_STATE_LEGACY:
1279 if (ctx->pmeth == NULL || ctx->pmeth->ctrl == NULL) {
1280 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1283 if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
1286 ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
1289 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1295 int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
1296 int cmd, int p1, void *p2)
1301 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1304 /* If unsupported, we don't want that reported here */
1306 ret = evp_pkey_ctx_store_cached_data(ctx, keytype, optype,
1311 ERR_clear_last_mark();
1313 * If there was an error, there was an error.
1314 * If the operation isn't initialized yet, we also return, as
1315 * the saved values will be used then anyway.
1317 if (ret < 1 || ctx->operation == EVP_PKEY_OP_UNDEFINED)
1320 return evp_pkey_ctx_ctrl_int(ctx, keytype, optype, cmd, p1, p2);
1323 int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype,
1324 int cmd, uint64_t value)
1326 return EVP_PKEY_CTX_ctrl(ctx, keytype, optype, cmd, 0, &value);
1331 static int legacy_ctrl_str_to_param(EVP_PKEY_CTX *ctx, const char *name,
1334 if (strcmp(name, "md") == 0)
1335 name = OSSL_ALG_PARAM_DIGEST;
1336 else if (strcmp(name, "rsa_padding_mode") == 0)
1337 name = OSSL_ASYM_CIPHER_PARAM_PAD_MODE;
1338 else if (strcmp(name, "rsa_mgf1_md") == 0)
1339 name = OSSL_ASYM_CIPHER_PARAM_MGF1_DIGEST;
1340 else if (strcmp(name, "rsa_oaep_md") == 0)
1341 name = OSSL_ASYM_CIPHER_PARAM_OAEP_DIGEST;
1342 else if (strcmp(name, "rsa_oaep_label") == 0)
1343 name = OSSL_ASYM_CIPHER_PARAM_OAEP_LABEL;
1344 else if (strcmp(name, "rsa_pss_saltlen") == 0)
1345 name = OSSL_SIGNATURE_PARAM_PSS_SALTLEN;
1346 else if (strcmp(name, "rsa_keygen_bits") == 0)
1347 name = OSSL_PKEY_PARAM_RSA_BITS;
1348 else if (strcmp(name, "rsa_keygen_pubexp") == 0)
1349 name = OSSL_PKEY_PARAM_RSA_E;
1350 else if (strcmp(name, "rsa_keygen_primes") == 0)
1351 name = OSSL_PKEY_PARAM_RSA_PRIMES;
1352 else if (strcmp(name, "rsa_pss_keygen_md") == 0)
1353 name = OSSL_PKEY_PARAM_RSA_DIGEST;
1354 else if (strcmp(name, "rsa_pss_keygen_mgf1_md") == 0)
1355 name = OSSL_PKEY_PARAM_RSA_MGF1_DIGEST;
1356 else if (strcmp(name, "rsa_pss_keygen_saltlen") == 0)
1357 name = OSSL_PKEY_PARAM_RSA_PSS_SALTLEN;
1358 else if (strcmp(name, "dsa_paramgen_bits") == 0)
1359 name = OSSL_PKEY_PARAM_FFC_PBITS;
1360 else if (strcmp(name, "dsa_paramgen_q_bits") == 0)
1361 name = OSSL_PKEY_PARAM_FFC_QBITS;
1362 else if (strcmp(name, "dsa_paramgen_md") == 0)
1363 name = OSSL_PKEY_PARAM_FFC_DIGEST;
1364 else if (strcmp(name, "dh_paramgen_generator") == 0)
1365 name = OSSL_PKEY_PARAM_DH_GENERATOR;
1366 else if (strcmp(name, "dh_paramgen_prime_len") == 0)
1367 name = OSSL_PKEY_PARAM_FFC_PBITS;
1368 else if (strcmp(name, "dh_paramgen_subprime_len") == 0)
1369 name = OSSL_PKEY_PARAM_FFC_QBITS;
1370 else if (strcmp(name, "dh_paramgen_type") == 0) {
1371 name = OSSL_PKEY_PARAM_FFC_TYPE;
1372 value = ossl_dh_gen_type_id2name(atoi(value));
1373 } else if (strcmp(name, "dh_param") == 0)
1374 name = OSSL_PKEY_PARAM_GROUP_NAME;
1375 else if (strcmp(name, "dh_rfc5114") == 0) {
1376 int num = atoi(value);
1378 name = OSSL_PKEY_PARAM_GROUP_NAME;
1380 ossl_ffc_named_group_get_name(ossl_ffc_uid_to_dh_named_group(num));
1381 } else if (strcmp(name, "dh_pad") == 0)
1382 name = OSSL_EXCHANGE_PARAM_PAD;
1383 else if (strcmp(name, "ec_paramgen_curve") == 0)
1384 name = OSSL_PKEY_PARAM_GROUP_NAME;
1385 else if (strcmp(name, "ecdh_cofactor_mode") == 0)
1386 name = OSSL_EXCHANGE_PARAM_EC_ECDH_COFACTOR_MODE;
1387 else if (strcmp(name, "ecdh_kdf_md") == 0)
1388 name = OSSL_EXCHANGE_PARAM_KDF_DIGEST;
1389 else if (strcmp(name, "ec_param_enc") == 0)
1390 name = OSSL_PKEY_PARAM_EC_ENCODING;
1391 else if (strcmp(name, "N") == 0)
1392 name = OSSL_KDF_PARAM_SCRYPT_N;
1396 * TODO(3.0) reduce the code above to only translate known legacy
1397 * string to the corresponding core name (see core_names.h), but
1398 * otherwise leave it to this code block to do the actual work.
1400 const OSSL_PARAM *settable = EVP_PKEY_CTX_settable_params(ctx);
1401 OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
1405 if (!OSSL_PARAM_allocate_from_text(¶ms[0], settable, name, value,
1406 strlen(value), &exists)) {
1408 ERR_raise_data(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED,
1409 "name=%s,value=%s", name, value);
1414 if (EVP_PKEY_CTX_set_params(ctx, params))
1416 OPENSSL_free(params[0].data);
1421 >>>>>>> 4651c47010... Fix external symbols related to dh keys
1422 static int evp_pkey_ctx_ctrl_str_int(EVP_PKEY_CTX *ctx,
1423 const char *name, const char *value)
1428 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1432 switch (evp_pkey_ctx_state(ctx)) {
1433 case EVP_PKEY_STATE_PROVIDER:
1434 return evp_pkey_ctx_ctrl_str_to_param(ctx, name, value);
1435 case EVP_PKEY_STATE_UNKNOWN:
1436 case EVP_PKEY_STATE_LEGACY:
1437 if (ctx == NULL || ctx->pmeth == NULL || ctx->pmeth->ctrl_str == NULL) {
1438 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1441 if (strcmp(name, "digest") == 0)
1442 ret = EVP_PKEY_CTX_md(ctx,
1443 EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT,
1444 EVP_PKEY_CTRL_MD, value);
1446 ret = ctx->pmeth->ctrl_str(ctx, name, value);
1453 int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
1454 const char *name, const char *value)
1458 /* If unsupported, we don't want that reported here */
1460 ret = evp_pkey_ctx_store_cached_data(ctx, -1, -1, -1,
1461 name, value, strlen(value) + 1);
1465 ERR_clear_last_mark();
1467 * If there was an error, there was an error.
1468 * If the operation isn't initialized yet, we also return, as
1469 * the saved values will be used then anyway.
1471 if (ret < 1 || ctx->operation == EVP_PKEY_OP_UNDEFINED)
1475 return evp_pkey_ctx_ctrl_str_int(ctx, name, value);
1478 static int decode_cmd(int cmd, const char *name)
1482 * The consequence of the assertion not being true is that this
1483 * function will return -1, which will cause the calling functions
1484 * to signal that the command is unsupported... in non-debug mode.
1486 if (ossl_assert(name != NULL))
1487 if (strcmp(name, "distid") == 0 || strcmp(name, "hexdistid") == 0)
1488 cmd = EVP_PKEY_CTRL_SET1_ID;
1494 static int evp_pkey_ctx_store_cached_data(EVP_PKEY_CTX *ctx,
1495 int keytype, int optype,
1496 int cmd, const char *name,
1497 const void *data, size_t data_len)
1500 * Check that it's one of the supported commands. The ctrl commands
1501 * number cases here must correspond to the cases in the bottom switch
1504 switch (cmd = decode_cmd(cmd, name)) {
1505 case EVP_PKEY_CTRL_SET1_ID:
1508 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1512 if (keytype != -1) {
1513 switch (evp_pkey_ctx_state(ctx)) {
1514 case EVP_PKEY_STATE_PROVIDER:
1515 if (ctx->keymgmt == NULL) {
1516 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1519 if (!EVP_KEYMGMT_is_a(ctx->keymgmt,
1520 evp_pkey_type2name(keytype))) {
1521 ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_OPERATION);
1525 case EVP_PKEY_STATE_UNKNOWN:
1526 case EVP_PKEY_STATE_LEGACY:
1527 if (ctx->pmeth == NULL) {
1528 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1531 if (EVP_PKEY_type(ctx->pmeth->pkey_id) != EVP_PKEY_type(keytype)) {
1532 ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_OPERATION);
1538 if (optype != -1 && (ctx->operation & optype) == 0) {
1539 ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_OPERATION);
1544 case EVP_PKEY_CTRL_SET1_ID:
1545 evp_pkey_ctx_free_cached_data(ctx, cmd, name);
1547 ctx->cached_parameters.dist_id_name = OPENSSL_strdup(name);
1548 if (ctx->cached_parameters.dist_id_name == NULL) {
1549 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
1554 ctx->cached_parameters.dist_id = OPENSSL_memdup(data, data_len);
1555 if (ctx->cached_parameters.dist_id == NULL) {
1556 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
1560 ctx->cached_parameters.dist_id_set = 1;
1561 ctx->cached_parameters.dist_id_len = data_len;
1567 static void evp_pkey_ctx_free_cached_data(EVP_PKEY_CTX *ctx,
1568 int cmd, const char *name)
1570 cmd = decode_cmd(cmd, name);
1572 case EVP_PKEY_CTRL_SET1_ID:
1573 OPENSSL_free(ctx->cached_parameters.dist_id);
1574 OPENSSL_free(ctx->cached_parameters.dist_id_name);
1575 ctx->cached_parameters.dist_id = NULL;
1576 ctx->cached_parameters.dist_id_name = NULL;
1581 static void evp_pkey_ctx_free_all_cached_data(EVP_PKEY_CTX *ctx)
1583 evp_pkey_ctx_free_cached_data(ctx, EVP_PKEY_CTRL_SET1_ID, NULL);
1586 int evp_pkey_ctx_use_cached_data(EVP_PKEY_CTX *ctx)
1590 if (ret && ctx->cached_parameters.dist_id_set) {
1591 const char *name = ctx->cached_parameters.dist_id_name;
1592 const void *val = ctx->cached_parameters.dist_id;
1593 size_t len = ctx->cached_parameters.dist_id_len;
1596 ret = evp_pkey_ctx_ctrl_str_int(ctx, name, val);
1598 ret = evp_pkey_ctx_ctrl_int(ctx, -1, ctx->operation,
1599 EVP_PKEY_CTRL_SET1_ID,
1600 (int)len, (void *)val);
1606 OSSL_LIB_CTX *EVP_PKEY_CTX_get0_libctx(EVP_PKEY_CTX *ctx)
1611 const char *EVP_PKEY_CTX_get0_propq(EVP_PKEY_CTX *ctx)
1613 return ctx->propquery;
1616 /* Utility functions to send a string of hex string to a ctrl */
1618 int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str)
1625 return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str);
1628 int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex)
1634 bin = OPENSSL_hexstr2buf(hex, &binlen);
1637 if (binlen <= INT_MAX)
1638 rv = ctx->pmeth->ctrl(ctx, cmd, binlen, bin);
1643 /* Pass a message digest to a ctrl */
1644 int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md)
1648 if (md == NULL || (m = EVP_get_digestbyname(md)) == NULL) {
1649 ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_DIGEST);
1652 return EVP_PKEY_CTX_ctrl(ctx, -1, optype, cmd, 0, (void *)m);
1655 int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx)
1657 return ctx->operation;
1660 void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen)
1662 ctx->keygen_info = dat;
1663 ctx->keygen_info_count = datlen;
1666 void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data)
1671 void *EVP_PKEY_CTX_get_data(const EVP_PKEY_CTX *ctx)
1676 EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx)
1681 EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx)
1683 return ctx->peerkey;
1686 void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data)
1688 ctx->app_data = data;
1691 void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx)
1693 return ctx->app_data;
1696 void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
1697 int (*init) (EVP_PKEY_CTX *ctx))
1702 void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
1703 int (*copy) (EVP_PKEY_CTX *dst,
1704 const EVP_PKEY_CTX *src))
1709 void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
1710 void (*cleanup) (EVP_PKEY_CTX *ctx))
1712 pmeth->cleanup = cleanup;
1715 void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
1716 int (*paramgen_init) (EVP_PKEY_CTX *ctx),
1717 int (*paramgen) (EVP_PKEY_CTX *ctx,
1720 pmeth->paramgen_init = paramgen_init;
1721 pmeth->paramgen = paramgen;
1724 void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
1725 int (*keygen_init) (EVP_PKEY_CTX *ctx),
1726 int (*keygen) (EVP_PKEY_CTX *ctx,
1729 pmeth->keygen_init = keygen_init;
1730 pmeth->keygen = keygen;
1733 void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
1734 int (*sign_init) (EVP_PKEY_CTX *ctx),
1735 int (*sign) (EVP_PKEY_CTX *ctx,
1736 unsigned char *sig, size_t *siglen,
1737 const unsigned char *tbs,
1740 pmeth->sign_init = sign_init;
1744 void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
1745 int (*verify_init) (EVP_PKEY_CTX *ctx),
1746 int (*verify) (EVP_PKEY_CTX *ctx,
1747 const unsigned char *sig,
1749 const unsigned char *tbs,
1752 pmeth->verify_init = verify_init;
1753 pmeth->verify = verify;
1756 void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
1757 int (*verify_recover_init) (EVP_PKEY_CTX
1759 int (*verify_recover) (EVP_PKEY_CTX
1768 pmeth->verify_recover_init = verify_recover_init;
1769 pmeth->verify_recover = verify_recover;
1772 void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
1773 int (*signctx_init) (EVP_PKEY_CTX *ctx,
1775 int (*signctx) (EVP_PKEY_CTX *ctx,
1780 pmeth->signctx_init = signctx_init;
1781 pmeth->signctx = signctx;
1784 void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
1785 int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
1787 int (*verifyctx) (EVP_PKEY_CTX *ctx,
1788 const unsigned char *sig,
1792 pmeth->verifyctx_init = verifyctx_init;
1793 pmeth->verifyctx = verifyctx;
1796 void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
1797 int (*encrypt_init) (EVP_PKEY_CTX *ctx),
1798 int (*encryptfn) (EVP_PKEY_CTX *ctx,
1801 const unsigned char *in,
1804 pmeth->encrypt_init = encrypt_init;
1805 pmeth->encrypt = encryptfn;
1808 void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
1809 int (*decrypt_init) (EVP_PKEY_CTX *ctx),
1810 int (*decrypt) (EVP_PKEY_CTX *ctx,
1813 const unsigned char *in,
1816 pmeth->decrypt_init = decrypt_init;
1817 pmeth->decrypt = decrypt;
1820 void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
1821 int (*derive_init) (EVP_PKEY_CTX *ctx),
1822 int (*derive) (EVP_PKEY_CTX *ctx,
1826 pmeth->derive_init = derive_init;
1827 pmeth->derive = derive;
1830 void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
1831 int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
1833 int (*ctrl_str) (EVP_PKEY_CTX *ctx,
1838 pmeth->ctrl_str = ctrl_str;
1841 void EVP_PKEY_meth_set_digestsign(EVP_PKEY_METHOD *pmeth,
1842 int (*digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
1843 const unsigned char *tbs, size_t tbslen))
1845 pmeth->digestsign = digestsign;
1848 void EVP_PKEY_meth_set_digestverify(EVP_PKEY_METHOD *pmeth,
1849 int (*digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
1850 size_t siglen, const unsigned char *tbs,
1853 pmeth->digestverify = digestverify;
1856 void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth,
1857 int (*check) (EVP_PKEY *pkey))
1859 pmeth->check = check;
1862 void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD *pmeth,
1863 int (*check) (EVP_PKEY *pkey))
1865 pmeth->public_check = check;
1868 void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD *pmeth,
1869 int (*check) (EVP_PKEY *pkey))
1871 pmeth->param_check = check;
1874 void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD *pmeth,
1875 int (*digest_custom) (EVP_PKEY_CTX *ctx,
1878 pmeth->digest_custom = digest_custom;
1881 void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD *pmeth,
1882 int (**pinit) (EVP_PKEY_CTX *ctx))
1884 *pinit = pmeth->init;
1887 void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD *pmeth,
1888 int (**pcopy) (EVP_PKEY_CTX *dst,
1889 const EVP_PKEY_CTX *src))
1891 *pcopy = pmeth->copy;
1894 void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD *pmeth,
1895 void (**pcleanup) (EVP_PKEY_CTX *ctx))
1897 *pcleanup = pmeth->cleanup;
1900 void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD *pmeth,
1901 int (**pparamgen_init) (EVP_PKEY_CTX *ctx),
1902 int (**pparamgen) (EVP_PKEY_CTX *ctx,
1906 *pparamgen_init = pmeth->paramgen_init;
1908 *pparamgen = pmeth->paramgen;
1911 void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD *pmeth,
1912 int (**pkeygen_init) (EVP_PKEY_CTX *ctx),
1913 int (**pkeygen) (EVP_PKEY_CTX *ctx,
1917 *pkeygen_init = pmeth->keygen_init;
1919 *pkeygen = pmeth->keygen;
1922 void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD *pmeth,
1923 int (**psign_init) (EVP_PKEY_CTX *ctx),
1924 int (**psign) (EVP_PKEY_CTX *ctx,
1925 unsigned char *sig, size_t *siglen,
1926 const unsigned char *tbs,
1930 *psign_init = pmeth->sign_init;
1932 *psign = pmeth->sign;
1935 void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD *pmeth,
1936 int (**pverify_init) (EVP_PKEY_CTX *ctx),
1937 int (**pverify) (EVP_PKEY_CTX *ctx,
1938 const unsigned char *sig,
1940 const unsigned char *tbs,
1944 *pverify_init = pmeth->verify_init;
1946 *pverify = pmeth->verify;
1949 void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD *pmeth,
1950 int (**pverify_recover_init) (EVP_PKEY_CTX
1952 int (**pverify_recover) (EVP_PKEY_CTX
1961 if (pverify_recover_init)
1962 *pverify_recover_init = pmeth->verify_recover_init;
1963 if (pverify_recover)
1964 *pverify_recover = pmeth->verify_recover;
1967 void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD *pmeth,
1968 int (**psignctx_init) (EVP_PKEY_CTX *ctx,
1970 int (**psignctx) (EVP_PKEY_CTX *ctx,
1976 *psignctx_init = pmeth->signctx_init;
1978 *psignctx = pmeth->signctx;
1981 void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD *pmeth,
1982 int (**pverifyctx_init) (EVP_PKEY_CTX *ctx,
1984 int (**pverifyctx) (EVP_PKEY_CTX *ctx,
1985 const unsigned char *sig,
1989 if (pverifyctx_init)
1990 *pverifyctx_init = pmeth->verifyctx_init;
1992 *pverifyctx = pmeth->verifyctx;
1995 void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD *pmeth,
1996 int (**pencrypt_init) (EVP_PKEY_CTX *ctx),
1997 int (**pencryptfn) (EVP_PKEY_CTX *ctx,
2000 const unsigned char *in,
2004 *pencrypt_init = pmeth->encrypt_init;
2006 *pencryptfn = pmeth->encrypt;
2009 void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD *pmeth,
2010 int (**pdecrypt_init) (EVP_PKEY_CTX *ctx),
2011 int (**pdecrypt) (EVP_PKEY_CTX *ctx,
2014 const unsigned char *in,
2018 *pdecrypt_init = pmeth->decrypt_init;
2020 *pdecrypt = pmeth->decrypt;
2023 void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD *pmeth,
2024 int (**pderive_init) (EVP_PKEY_CTX *ctx),
2025 int (**pderive) (EVP_PKEY_CTX *ctx,
2030 *pderive_init = pmeth->derive_init;
2032 *pderive = pmeth->derive;
2035 void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD *pmeth,
2036 int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
2038 int (**pctrl_str) (EVP_PKEY_CTX *ctx,
2043 *pctrl = pmeth->ctrl;
2045 *pctrl_str = pmeth->ctrl_str;
2048 void EVP_PKEY_meth_get_digestsign(EVP_PKEY_METHOD *pmeth,
2049 int (**digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
2050 const unsigned char *tbs, size_t tbslen))
2053 *digestsign = pmeth->digestsign;
2056 void EVP_PKEY_meth_get_digestverify(EVP_PKEY_METHOD *pmeth,
2057 int (**digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
2058 size_t siglen, const unsigned char *tbs,
2062 *digestverify = pmeth->digestverify;
2065 void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD *pmeth,
2066 int (**pcheck) (EVP_PKEY *pkey))
2069 *pcheck = pmeth->check;
2072 void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD *pmeth,
2073 int (**pcheck) (EVP_PKEY *pkey))
2076 *pcheck = pmeth->public_check;
2079 void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD *pmeth,
2080 int (**pcheck) (EVP_PKEY *pkey))
2083 *pcheck = pmeth->param_check;
2086 void EVP_PKEY_meth_get_digest_custom(EVP_PKEY_METHOD *pmeth,
2087 int (**pdigest_custom) (EVP_PKEY_CTX *ctx,
2090 if (pdigest_custom != NULL)
2091 *pdigest_custom = pmeth->digest_custom;
2094 #endif /* FIPS_MODULE */