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 <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[] = {
52 # ifndef OPENSSL_NO_RSA
55 # ifndef OPENSSL_NO_DH
58 # ifndef OPENSSL_NO_DSA
61 # ifndef OPENSSL_NO_EC
64 # ifndef OPENSSL_NO_RSA
67 # ifndef OPENSSL_NO_DH
70 # ifndef OPENSSL_NO_EC
74 # ifndef OPENSSL_NO_EC
78 # ifndef OPENSSL_NO_SM2
83 DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, pmeth_fn, pmeth_func);
85 static int pmeth_func_cmp(const EVP_PKEY_METHOD *const *a, pmeth_fn const *b)
87 return ((*a)->pkey_id - ((**b)())->pkey_id);
90 IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, pmeth_fn, pmeth_func);
92 static int pmeth_cmp(const EVP_PKEY_METHOD *const *a,
93 const EVP_PKEY_METHOD *const *b)
95 return ((*a)->pkey_id - (*b)->pkey_id);
98 const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type)
102 const EVP_PKEY_METHOD *t = &tmp;
105 if (app_pkey_methods) {
107 idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp);
109 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
111 ret = OBJ_bsearch_pmeth_func(&t, standard_methods,
112 sizeof(standard_methods) /
114 if (ret == NULL || *ret == NULL)
119 EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags)
121 EVP_PKEY_METHOD *pmeth;
123 pmeth = OPENSSL_zalloc(sizeof(*pmeth));
125 EVPerr(EVP_F_EVP_PKEY_METH_NEW, ERR_R_MALLOC_FAILURE);
130 pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC;
134 /* Three possible states: */
135 # define EVP_PKEY_STATE_UNKNOWN 0
136 # define EVP_PKEY_STATE_LEGACY 1
137 # define EVP_PKEY_STATE_PROVIDER 2
139 static int evp_pkey_ctx_state(EVP_PKEY_CTX *ctx)
141 if (ctx->operation == EVP_PKEY_OP_UNDEFINED)
142 return EVP_PKEY_STATE_UNKNOWN;
144 if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
145 && ctx->op.kex.exchprovctx != NULL)
146 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
147 && ctx->op.sig.sigprovctx != NULL)
148 || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
149 && ctx->op.ciph.ciphprovctx != NULL)
150 || (EVP_PKEY_CTX_IS_GEN_OP(ctx)
151 && ctx->op.keymgmt.genctx != NULL)
152 || (EVP_PKEY_CTX_IS_KEM_OP(ctx)
153 && ctx->op.encap.kemprovctx != NULL))
154 return EVP_PKEY_STATE_PROVIDER;
156 return EVP_PKEY_STATE_LEGACY;
159 static void help_get_legacy_alg_type_from_keymgmt(const char *keytype,
164 if (*type == NID_undef)
165 *type = evp_pkey_name2type(keytype);
168 static int get_legacy_alg_type_from_keymgmt(const EVP_KEYMGMT *keymgmt)
170 int type = NID_undef;
172 EVP_KEYMGMT_names_do_all(keymgmt, help_get_legacy_alg_type_from_keymgmt,
176 #endif /* FIPS_MODULE */
178 static int is_legacy_alg(int id, const char *keytype)
181 /* Certain EVP_PKEY keytypes are only available in legacy form */
183 id = evp_pkey_name2type(keytype);
187 * TODO(3.0): Remove SM2 when they are converted to have provider
200 static EVP_PKEY_CTX *int_ctx_new(OPENSSL_CTX *libctx,
201 EVP_PKEY *pkey, ENGINE *e,
202 const char *keytype, const char *propquery,
206 EVP_PKEY_CTX *ret = NULL;
207 const EVP_PKEY_METHOD *pmeth = NULL;
208 EVP_KEYMGMT *keymgmt = NULL;
211 * If the given |pkey| is provided, we extract the keytype from its
212 * keymgmt and skip over the legacy code.
214 if (pkey != NULL && evp_pkey_is_provided(pkey)) {
215 /* If we have an engine, something went wrong somewhere... */
216 if (!ossl_assert(e == NULL))
218 keytype = evp_first_name(pkey->keymgmt->prov, pkey->keymgmt->name_id);
224 * TODO(3.0) This legacy code section should be removed when we stop
231 else if (keytype != NULL)
232 id = evp_pkey_name2type(keytype);
236 /* If no ID was found here, we can only resort to find a keymgmt */
241 * Here, we extract what information we can for the purpose of
242 * supporting usage with implementations from providers, to make
243 * for a smooth transition from legacy stuff to provider based stuff.
245 * If an engine is given, this is entirely legacy, and we should not
246 * pretend anything else, so we only set the name when no engine is
247 * given. If both are already given, someone made a mistake, and
248 * since that can only happen internally, it's safe to make an
251 if (!ossl_assert(e == NULL || keytype == NULL))
254 keytype = OBJ_nid2sn(id);
256 # ifndef OPENSSL_NO_ENGINE
257 if (e == NULL && pkey != NULL)
258 e = pkey->pmeth_engine != NULL ? pkey->pmeth_engine : pkey->engine;
259 /* Try to find an ENGINE which implements this method */
261 if (!ENGINE_init(e)) {
262 EVPerr(EVP_F_INT_CTX_NEW, ERR_R_ENGINE_LIB);
266 e = ENGINE_get_pkey_meth_engine(id);
270 * If an ENGINE handled this method look it up. Otherwise use internal
274 pmeth = ENGINE_get_pkey_meth(e, id);
277 pmeth = EVP_PKEY_meth_find(id);
280 #endif /* FIPS_MODULE */
283 * If there's no engine and there's a name, we try fetching a provider
286 if (e == NULL && keytype != NULL) {
287 int legacy = is_legacy_alg(id, keytype);
289 /* This could fail so ignore errors */
293 keymgmt = EVP_KEYMGMT_fetch(libctx, keytype, propquery);
296 else if (keymgmt == NULL)
297 return NULL; /* EVP_KEYMGMT_fetch() recorded an error */
301 * Chase down the legacy NID, as that might be needed for diverse
302 * purposes, such as ensure that EVP_PKEY_type() can return sensible
303 * values, or that there's a better chance to "downgrade" a key when
304 * needed. We go through all keymgmt names, because the keytype
305 * that's passed to this function doesn't necessarily translate
307 * TODO: Remove this when #legacy keys are gone.
309 if (keymgmt != NULL) {
310 int tmp_id = get_legacy_alg_type_from_keymgmt(keymgmt);
312 if (tmp_id != NID_undef) {
317 * It really really shouldn't differ. If it still does,
318 * something is very wrong.
320 if (!ossl_assert(id == tmp_id)) {
321 EVPerr(EVP_F_INT_CTX_NEW, ERR_R_INTERNAL_ERROR);
322 EVP_KEYMGMT_free(keymgmt);
331 if (pmeth == NULL && keymgmt == NULL) {
332 EVPerr(EVP_F_INT_CTX_NEW, EVP_R_UNSUPPORTED_ALGORITHM);
334 ret = OPENSSL_zalloc(sizeof(*ret));
336 EVPerr(EVP_F_INT_CTX_NEW, ERR_R_MALLOC_FAILURE);
339 #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE)
340 if ((ret == NULL || pmeth == NULL) && e != NULL)
345 EVP_KEYMGMT_free(keymgmt);
349 ret->libctx = libctx;
350 ret->propquery = propquery;
351 ret->keytype = keytype;
352 ret->keymgmt = keymgmt;
353 ret->legacy_keytype = id; /* TODO: Remove when #legacy key are gone */
356 ret->operation = EVP_PKEY_OP_UNDEFINED;
359 EVP_PKEY_up_ref(pkey);
361 if (pmeth != NULL && pmeth->init != NULL) {
362 if (pmeth->init(ret) <= 0) {
364 EVP_PKEY_CTX_free(ret);
372 /*- All methods below can also be used in FIPS_MODULE */
374 EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_name(OPENSSL_CTX *libctx,
376 const char *propquery)
378 return int_ctx_new(libctx, NULL, NULL, name, propquery, -1);
381 EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_pkey(OPENSSL_CTX *libctx, EVP_PKEY *pkey,
382 const char *propquery)
384 return int_ctx_new(libctx, pkey, NULL, NULL, propquery, -1);
387 void evp_pkey_ctx_free_old_ops(EVP_PKEY_CTX *ctx)
389 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
390 if (ctx->op.sig.sigprovctx != NULL && ctx->op.sig.signature != NULL)
391 ctx->op.sig.signature->freectx(ctx->op.sig.sigprovctx);
392 EVP_SIGNATURE_free(ctx->op.sig.signature);
393 ctx->op.sig.sigprovctx = NULL;
394 ctx->op.sig.signature = NULL;
395 } else if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
396 if (ctx->op.kex.exchprovctx != NULL && ctx->op.kex.exchange != NULL)
397 ctx->op.kex.exchange->freectx(ctx->op.kex.exchprovctx);
398 EVP_KEYEXCH_free(ctx->op.kex.exchange);
399 ctx->op.kex.exchprovctx = NULL;
400 ctx->op.kex.exchange = NULL;
401 } else if (EVP_PKEY_CTX_IS_KEM_OP(ctx)) {
402 if (ctx->op.encap.kemprovctx != NULL && ctx->op.encap.kem != NULL)
403 ctx->op.encap.kem->freectx(ctx->op.encap.kemprovctx);
404 EVP_KEM_free(ctx->op.encap.kem);
405 ctx->op.encap.kemprovctx = NULL;
406 ctx->op.encap.kem = NULL;
408 else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)) {
409 if (ctx->op.ciph.ciphprovctx != NULL && ctx->op.ciph.cipher != NULL)
410 ctx->op.ciph.cipher->freectx(ctx->op.ciph.ciphprovctx);
411 EVP_ASYM_CIPHER_free(ctx->op.ciph.cipher);
412 ctx->op.ciph.ciphprovctx = NULL;
413 ctx->op.ciph.cipher = NULL;
414 } else if (EVP_PKEY_CTX_IS_GEN_OP(ctx)) {
415 if (ctx->op.keymgmt.genctx != NULL && ctx->keymgmt != NULL)
416 evp_keymgmt_gen_cleanup(ctx->keymgmt, ctx->op.keymgmt.genctx);
420 void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
424 if (ctx->pmeth && ctx->pmeth->cleanup)
425 ctx->pmeth->cleanup(ctx);
427 evp_pkey_ctx_free_old_ops(ctx);
429 evp_pkey_ctx_free_all_cached_data(ctx);
431 EVP_KEYMGMT_free(ctx->keymgmt);
433 EVP_PKEY_free(ctx->pkey);
434 EVP_PKEY_free(ctx->peerkey);
435 #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE)
436 ENGINE_finish(ctx->engine);
443 void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
444 const EVP_PKEY_METHOD *meth)
447 *ppkey_id = meth->pkey_id;
449 *pflags = meth->flags;
452 void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src)
454 int pkey_id = dst->pkey_id;
455 int flags = dst->flags;
459 /* We only copy the function pointers so restore the other values */
460 dst->pkey_id = pkey_id;
464 void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth)
466 if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC))
470 EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e)
472 return int_ctx_new(NULL, pkey, e, NULL, NULL, -1);
475 EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e)
477 return int_ctx_new(NULL, NULL, e, NULL, NULL, id);
480 EVP_PKEY_CTX *EVP_PKEY_CTX_dup(const EVP_PKEY_CTX *pctx)
484 if (((pctx->pmeth == NULL) || (pctx->pmeth->copy == NULL))
485 && ((EVP_PKEY_CTX_IS_DERIVE_OP(pctx)
486 && pctx->op.kex.exchprovctx == NULL)
487 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx)
488 && pctx->op.sig.sigprovctx == NULL)))
490 # ifndef OPENSSL_NO_ENGINE
491 /* Make sure it's safe to copy a pkey context using an ENGINE */
492 if (pctx->engine && !ENGINE_init(pctx->engine)) {
493 EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_ENGINE_LIB);
497 rctx = OPENSSL_zalloc(sizeof(*rctx));
499 EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_MALLOC_FAILURE);
503 if (pctx->pkey != NULL)
504 EVP_PKEY_up_ref(pctx->pkey);
505 rctx->pkey = pctx->pkey;
506 rctx->operation = pctx->operation;
507 rctx->libctx = pctx->libctx;
508 rctx->keytype = pctx->keytype;
509 rctx->propquery = pctx->propquery;
511 if (EVP_PKEY_CTX_IS_DERIVE_OP(pctx)) {
512 if (pctx->op.kex.exchange != NULL) {
513 rctx->op.kex.exchange = pctx->op.kex.exchange;
514 if (!EVP_KEYEXCH_up_ref(rctx->op.kex.exchange)) {
519 if (pctx->op.kex.exchprovctx != NULL) {
520 if (!ossl_assert(pctx->op.kex.exchange != NULL))
522 rctx->op.kex.exchprovctx
523 = pctx->op.kex.exchange->dupctx(pctx->op.kex.exchprovctx);
524 if (rctx->op.kex.exchprovctx == NULL) {
525 EVP_KEYEXCH_free(rctx->op.kex.exchange);
531 } else if (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx)) {
532 if (pctx->op.sig.signature != NULL) {
533 rctx->op.sig.signature = pctx->op.sig.signature;
534 if (!EVP_SIGNATURE_up_ref(rctx->op.sig.signature)) {
539 if (pctx->op.sig.sigprovctx != NULL) {
540 if (!ossl_assert(pctx->op.sig.signature != NULL))
542 rctx->op.sig.sigprovctx
543 = pctx->op.sig.signature->dupctx(pctx->op.sig.sigprovctx);
544 if (rctx->op.sig.sigprovctx == NULL) {
545 EVP_SIGNATURE_free(rctx->op.sig.signature);
551 } else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(pctx)) {
552 if (pctx->op.ciph.cipher != NULL) {
553 rctx->op.ciph.cipher = pctx->op.ciph.cipher;
554 if (!EVP_ASYM_CIPHER_up_ref(rctx->op.ciph.cipher)) {
559 if (pctx->op.ciph.ciphprovctx != NULL) {
560 if (!ossl_assert(pctx->op.ciph.cipher != NULL))
562 rctx->op.ciph.ciphprovctx
563 = pctx->op.ciph.cipher->dupctx(pctx->op.ciph.ciphprovctx);
564 if (rctx->op.ciph.ciphprovctx == NULL) {
565 EVP_ASYM_CIPHER_free(rctx->op.ciph.cipher);
571 } else if (EVP_PKEY_CTX_IS_KEM_OP(pctx)) {
572 if (pctx->op.encap.kem != NULL) {
573 rctx->op.encap.kem = pctx->op.encap.kem;
574 if (!EVP_KEM_up_ref(rctx->op.encap.kem)) {
579 if (pctx->op.encap.kemprovctx != NULL) {
580 if (!ossl_assert(pctx->op.encap.kem != NULL))
582 rctx->op.encap.kemprovctx
583 = pctx->op.encap.kem->dupctx(pctx->op.encap.kemprovctx);
584 if (rctx->op.encap.kemprovctx == NULL) {
585 EVP_KEM_free(rctx->op.encap.kem);
593 rctx->pmeth = pctx->pmeth;
594 # ifndef OPENSSL_NO_ENGINE
595 rctx->engine = pctx->engine;
599 EVP_PKEY_up_ref(pctx->peerkey);
600 rctx->peerkey = pctx->peerkey;
602 if (pctx->pmeth->copy(rctx, pctx) > 0)
606 EVP_PKEY_CTX_free(rctx);
611 int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth)
613 if (app_pkey_methods == NULL) {
614 app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp);
615 if (app_pkey_methods == NULL){
616 EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE);
620 if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth)) {
621 EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE);
624 sk_EVP_PKEY_METHOD_sort(app_pkey_methods);
628 void evp_app_cleanup_int(void)
630 if (app_pkey_methods != NULL)
631 sk_EVP_PKEY_METHOD_pop_free(app_pkey_methods, EVP_PKEY_meth_free);
634 int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD *pmeth)
636 const EVP_PKEY_METHOD *ret;
638 ret = sk_EVP_PKEY_METHOD_delete_ptr(app_pkey_methods, pmeth);
640 return ret == NULL ? 0 : 1;
643 size_t EVP_PKEY_meth_get_count(void)
645 size_t rv = OSSL_NELEM(standard_methods);
647 if (app_pkey_methods)
648 rv += sk_EVP_PKEY_METHOD_num(app_pkey_methods);
652 const EVP_PKEY_METHOD *EVP_PKEY_meth_get0(size_t idx)
654 if (idx < OSSL_NELEM(standard_methods))
655 return (standard_methods[idx])();
656 if (app_pkey_methods == NULL)
658 idx -= OSSL_NELEM(standard_methods);
659 if (idx >= (size_t)sk_EVP_PKEY_METHOD_num(app_pkey_methods))
661 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
665 int EVP_PKEY_CTX_set_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
667 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
668 && ctx->op.kex.exchprovctx != NULL
669 && ctx->op.kex.exchange != NULL
670 && ctx->op.kex.exchange->set_ctx_params != NULL)
671 return ctx->op.kex.exchange->set_ctx_params(ctx->op.kex.exchprovctx,
673 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
674 && ctx->op.sig.sigprovctx != NULL
675 && ctx->op.sig.signature != NULL
676 && ctx->op.sig.signature->set_ctx_params != NULL)
677 return ctx->op.sig.signature->set_ctx_params(ctx->op.sig.sigprovctx,
679 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
680 && ctx->op.ciph.ciphprovctx != NULL
681 && ctx->op.ciph.cipher != NULL
682 && ctx->op.ciph.cipher->set_ctx_params != NULL)
683 return ctx->op.ciph.cipher->set_ctx_params(ctx->op.ciph.ciphprovctx,
685 if (EVP_PKEY_CTX_IS_GEN_OP(ctx)
686 && ctx->op.keymgmt.genctx != NULL
687 && ctx->keymgmt != NULL
688 && ctx->keymgmt->gen_set_params != NULL)
689 return evp_keymgmt_gen_set_params(ctx->keymgmt, ctx->op.keymgmt.genctx,
691 if (EVP_PKEY_CTX_IS_KEM_OP(ctx)
692 && ctx->op.encap.kemprovctx != NULL
693 && ctx->op.encap.kem != NULL
694 && ctx->op.encap.kem->set_ctx_params != NULL)
695 return ctx->op.encap.kem->set_ctx_params(ctx->op.encap.kemprovctx,
700 int EVP_PKEY_CTX_get_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
702 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
703 && ctx->op.kex.exchprovctx != NULL
704 && ctx->op.kex.exchange != NULL
705 && ctx->op.kex.exchange->get_ctx_params != NULL)
706 return ctx->op.kex.exchange->get_ctx_params(ctx->op.kex.exchprovctx,
708 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
709 && ctx->op.sig.sigprovctx != NULL
710 && ctx->op.sig.signature != NULL
711 && ctx->op.sig.signature->get_ctx_params != NULL)
712 return ctx->op.sig.signature->get_ctx_params(ctx->op.sig.sigprovctx,
714 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
715 && ctx->op.ciph.ciphprovctx != NULL
716 && ctx->op.ciph.cipher != NULL
717 && ctx->op.ciph.cipher->get_ctx_params != NULL)
718 return ctx->op.ciph.cipher->get_ctx_params(ctx->op.ciph.ciphprovctx,
720 if (EVP_PKEY_CTX_IS_KEM_OP(ctx)
721 && ctx->op.encap.kemprovctx != NULL
722 && ctx->op.encap.kem != NULL
723 && ctx->op.encap.kem->get_ctx_params != NULL)
724 return ctx->op.encap.kem->get_ctx_params(ctx->op.encap.kemprovctx,
730 const OSSL_PARAM *EVP_PKEY_CTX_gettable_params(EVP_PKEY_CTX *ctx)
734 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
735 && ctx->op.kex.exchange != NULL
736 && ctx->op.kex.exchange->gettable_ctx_params != NULL) {
737 provctx = ossl_provider_ctx(EVP_KEYEXCH_provider(ctx->op.kex.exchange));
738 return ctx->op.kex.exchange->gettable_ctx_params(provctx);
740 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
741 && ctx->op.sig.signature != NULL
742 && ctx->op.sig.signature->gettable_ctx_params != NULL) {
743 provctx = ossl_provider_ctx(
744 EVP_SIGNATURE_provider(ctx->op.sig.signature));
745 return ctx->op.sig.signature->gettable_ctx_params(provctx);
747 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
748 && ctx->op.ciph.cipher != NULL
749 && ctx->op.ciph.cipher->gettable_ctx_params != NULL) {
750 provctx = ossl_provider_ctx(
751 EVP_ASYM_CIPHER_provider(ctx->op.ciph.cipher));
752 return ctx->op.ciph.cipher->gettable_ctx_params(provctx);
754 if (EVP_PKEY_CTX_IS_KEM_OP(ctx)
755 && ctx->op.encap.kem != NULL
756 && ctx->op.encap.kem->gettable_ctx_params != NULL) {
757 provctx = ossl_provider_ctx(EVP_KEM_provider(ctx->op.encap.kem));
758 return ctx->op.encap.kem->gettable_ctx_params(provctx);
763 const OSSL_PARAM *EVP_PKEY_CTX_settable_params(EVP_PKEY_CTX *ctx)
767 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
768 && ctx->op.kex.exchange != NULL
769 && ctx->op.kex.exchange->settable_ctx_params != NULL) {
770 provctx = ossl_provider_ctx(EVP_KEYEXCH_provider(ctx->op.kex.exchange));
771 return ctx->op.kex.exchange->settable_ctx_params(provctx);
773 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
774 && ctx->op.sig.signature != NULL
775 && ctx->op.sig.signature->settable_ctx_params != NULL) {
776 provctx = ossl_provider_ctx(
777 EVP_SIGNATURE_provider(ctx->op.sig.signature));
778 return ctx->op.sig.signature->settable_ctx_params(provctx);
780 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
781 && ctx->op.ciph.cipher != NULL
782 && ctx->op.ciph.cipher->settable_ctx_params != NULL) {
783 provctx = ossl_provider_ctx(
784 EVP_ASYM_CIPHER_provider(ctx->op.ciph.cipher));
785 return ctx->op.ciph.cipher->settable_ctx_params(provctx);
787 if (EVP_PKEY_CTX_IS_GEN_OP(ctx)
788 && ctx->keymgmt != NULL)
789 return EVP_KEYMGMT_gen_settable_params(ctx->keymgmt);
790 if (EVP_PKEY_CTX_IS_KEM_OP(ctx)
791 && ctx->op.encap.kem != NULL
792 && ctx->op.encap.kem->settable_ctx_params != NULL) {
793 provctx = ossl_provider_ctx(EVP_KEM_provider(ctx->op.encap.kem));
794 return ctx->op.encap.kem->settable_ctx_params(provctx);
800 * Internal helpers for stricter EVP_PKEY_CTX_{set,get}_params().
802 * Return 1 on success, 0 or negative for errors.
804 * In particular they return -2 if any of the params is not supported.
806 * They are not available in FIPS_MODULE as they depend on
807 * - EVP_PKEY_CTX_{get,set}_params()
808 * - EVP_PKEY_CTX_{gettable,settable}_params()
811 int evp_pkey_ctx_set_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
815 if (ctx == NULL || params == NULL)
818 for (p = params; p->key != NULL; p++) {
819 /* Check the ctx actually understands this parameter */
820 if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_settable_params(ctx),
825 return EVP_PKEY_CTX_set_params(ctx, params);
828 int evp_pkey_ctx_get_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
832 if (ctx == NULL || params == NULL)
835 for (p = params; p->key != NULL; p++ ) {
836 /* Check the ctx actually understands this parameter */
837 if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_gettable_params(ctx),
842 return EVP_PKEY_CTX_get_params(ctx, params);
845 # ifndef OPENSSL_NO_DH
846 int EVP_PKEY_CTX_set_dh_pad(EVP_PKEY_CTX *ctx, int pad)
848 OSSL_PARAM dh_pad_params[2];
849 unsigned int upad = pad;
851 /* We use EVP_PKEY_CTX_ctrl return values */
852 if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
853 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
857 /* TODO(3.0): Remove this eventually when no more legacy */
858 if (ctx->op.kex.exchprovctx == NULL)
859 return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_DERIVE,
860 EVP_PKEY_CTRL_DH_PAD, pad, NULL);
862 dh_pad_params[0] = OSSL_PARAM_construct_uint(OSSL_EXCHANGE_PARAM_PAD, &upad);
863 dh_pad_params[1] = OSSL_PARAM_construct_end();
865 return EVP_PKEY_CTX_set_params(ctx, dh_pad_params);
869 int EVP_PKEY_CTX_get_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD **md)
871 OSSL_PARAM sig_md_params[2], *p = sig_md_params;
872 /* 80 should be big enough */
876 if (ctx == NULL || !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
877 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
878 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
882 /* TODO(3.0): Remove this eventually when no more legacy */
883 if (ctx->op.sig.sigprovctx == NULL)
884 return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,
885 EVP_PKEY_CTRL_GET_MD, 0, (void *)(md));
887 *p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST,
890 *p = OSSL_PARAM_construct_end();
892 if (!EVP_PKEY_CTX_get_params(ctx, sig_md_params))
895 tmp = evp_get_digestbyname_ex(ctx->libctx, name);
904 static int evp_pkey_ctx_set_md(EVP_PKEY_CTX *ctx, const EVP_MD *md,
905 int fallback, const char *param, int op,
908 OSSL_PARAM md_params[2], *p = md_params;
911 if (ctx == NULL || (ctx->operation & op) == 0) {
912 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
913 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
917 /* TODO(3.0): Remove this eventually when no more legacy */
919 return EVP_PKEY_CTX_ctrl(ctx, -1, op, ctrl, 0, (void *)(md));
924 name = EVP_MD_name(md);
927 *p++ = OSSL_PARAM_construct_utf8_string(param,
929 * Cast away the const. This is read
930 * only so should be safe
933 *p = OSSL_PARAM_construct_end();
935 return EVP_PKEY_CTX_set_params(ctx, md_params);
938 int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
940 return evp_pkey_ctx_set_md(ctx, md, ctx->op.sig.sigprovctx == NULL,
941 OSSL_SIGNATURE_PARAM_DIGEST,
942 EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD);
945 int EVP_PKEY_CTX_set_tls1_prf_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
947 return evp_pkey_ctx_set_md(ctx, md, ctx->op.kex.exchprovctx == NULL,
948 OSSL_KDF_PARAM_DIGEST,
949 EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_TLS_MD);
952 static int evp_pkey_ctx_set1_octet_string(EVP_PKEY_CTX *ctx, int fallback,
953 const char *param, int op, int ctrl,
954 const unsigned char *data,
957 OSSL_PARAM octet_string_params[2], *p = octet_string_params;
959 if (ctx == NULL || (ctx->operation & op) == 0) {
960 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
961 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
965 /* TODO(3.0): Remove this eventually when no more legacy */
967 return EVP_PKEY_CTX_ctrl(ctx, -1, op, ctrl, datalen, (void *)(data));
970 ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_LENGTH);
974 *p++ = OSSL_PARAM_construct_octet_string(param,
976 * Cast away the const. This is read
977 * only so should be safe
979 (unsigned char *)data,
981 *p = OSSL_PARAM_construct_end();
983 return EVP_PKEY_CTX_set_params(ctx, octet_string_params);
986 int EVP_PKEY_CTX_set1_tls1_prf_secret(EVP_PKEY_CTX *ctx,
987 const unsigned char *sec, int seclen)
989 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
990 OSSL_KDF_PARAM_SECRET,
992 EVP_PKEY_CTRL_TLS_SECRET,
996 int EVP_PKEY_CTX_add1_tls1_prf_seed(EVP_PKEY_CTX *ctx,
997 const unsigned char *seed, int seedlen)
999 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
1000 OSSL_KDF_PARAM_SEED,
1002 EVP_PKEY_CTRL_TLS_SEED,
1006 int EVP_PKEY_CTX_set_hkdf_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
1008 return evp_pkey_ctx_set_md(ctx, md, ctx->op.kex.exchprovctx == NULL,
1009 OSSL_KDF_PARAM_DIGEST,
1010 EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_HKDF_MD);
1013 int EVP_PKEY_CTX_set1_hkdf_salt(EVP_PKEY_CTX *ctx,
1014 const unsigned char *salt, int saltlen)
1016 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
1017 OSSL_KDF_PARAM_SALT,
1019 EVP_PKEY_CTRL_HKDF_SALT,
1023 int EVP_PKEY_CTX_set1_hkdf_key(EVP_PKEY_CTX *ctx,
1024 const unsigned char *key, int keylen)
1026 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
1029 EVP_PKEY_CTRL_HKDF_KEY,
1033 int EVP_PKEY_CTX_add1_hkdf_info(EVP_PKEY_CTX *ctx,
1034 const unsigned char *info, int infolen)
1036 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
1037 OSSL_KDF_PARAM_INFO,
1039 EVP_PKEY_CTRL_HKDF_INFO,
1043 int EVP_PKEY_CTX_hkdf_mode(EVP_PKEY_CTX *ctx, int mode)
1045 OSSL_PARAM int_params[2], *p = int_params;
1047 if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
1048 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1049 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
1053 /* TODO(3.0): Remove this eventually when no more legacy */
1054 if (ctx->op.kex.exchprovctx == NULL)
1055 return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_DERIVE,
1056 EVP_PKEY_CTRL_HKDF_MODE, mode, NULL);
1060 ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_VALUE);
1064 *p++ = OSSL_PARAM_construct_int(OSSL_KDF_PARAM_MODE, &mode);
1065 *p = OSSL_PARAM_construct_end();
1067 return EVP_PKEY_CTX_set_params(ctx, int_params);
1070 int EVP_PKEY_CTX_set1_pbe_pass(EVP_PKEY_CTX *ctx, const char *pass,
1073 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
1074 OSSL_KDF_PARAM_PASSWORD,
1077 (const unsigned char *)pass, passlen);
1080 int EVP_PKEY_CTX_set1_scrypt_salt(EVP_PKEY_CTX *ctx,
1081 const unsigned char *salt, int saltlen)
1083 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.kex.exchprovctx == NULL,
1084 OSSL_KDF_PARAM_SALT,
1086 EVP_PKEY_CTRL_SCRYPT_SALT,
1090 static int evp_pkey_ctx_set_uint64(EVP_PKEY_CTX *ctx, const char *param,
1091 int op, int ctrl, uint64_t val)
1093 OSSL_PARAM uint64_params[2], *p = uint64_params;
1095 if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
1096 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1097 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
1101 /* TODO(3.0): Remove this eventually when no more legacy */
1102 if (ctx->op.kex.exchprovctx == NULL)
1103 return EVP_PKEY_CTX_ctrl_uint64(ctx, -1, op, ctrl, val);
1105 *p++ = OSSL_PARAM_construct_uint64(param, &val);
1106 *p = OSSL_PARAM_construct_end();
1108 return EVP_PKEY_CTX_set_params(ctx, uint64_params);
1111 int EVP_PKEY_CTX_set_scrypt_N(EVP_PKEY_CTX *ctx, uint64_t n)
1113 return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_N,
1114 EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_SCRYPT_N,
1118 int EVP_PKEY_CTX_set_scrypt_r(EVP_PKEY_CTX *ctx, uint64_t r)
1120 return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_R,
1121 EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_SCRYPT_R,
1125 int EVP_PKEY_CTX_set_scrypt_p(EVP_PKEY_CTX *ctx, uint64_t p)
1127 return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_P,
1128 EVP_PKEY_OP_DERIVE, EVP_PKEY_CTRL_SCRYPT_P,
1132 int EVP_PKEY_CTX_set_scrypt_maxmem_bytes(EVP_PKEY_CTX *ctx,
1133 uint64_t maxmem_bytes)
1135 return evp_pkey_ctx_set_uint64(ctx, OSSL_KDF_PARAM_SCRYPT_MAXMEM,
1137 EVP_PKEY_CTRL_SCRYPT_MAXMEM_BYTES,
1141 int EVP_PKEY_CTX_set_mac_key(EVP_PKEY_CTX *ctx, const unsigned char *key,
1144 return evp_pkey_ctx_set1_octet_string(ctx, ctx->op.keymgmt.genctx == NULL,
1145 OSSL_PKEY_PARAM_PRIV_KEY,
1147 EVP_PKEY_CTRL_SET_MAC_KEY,
1151 int EVP_PKEY_CTX_set_kem_op(EVP_PKEY_CTX *ctx, const char *op)
1153 OSSL_PARAM params[2], *p = params;
1155 if (ctx == NULL || op == NULL) {
1156 ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_VALUE);
1159 if (!EVP_PKEY_CTX_IS_KEM_OP(ctx)) {
1160 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1163 *p++ = OSSL_PARAM_construct_utf8_string(OSSL_KEM_PARAM_OPERATION,
1165 *p = OSSL_PARAM_construct_end();
1166 return EVP_PKEY_CTX_set_params(ctx, params);
1169 int evp_pkey_ctx_set1_id_prov(EVP_PKEY_CTX *ctx, const void *id, int len)
1171 OSSL_PARAM params[2], *p = params;
1174 if (!EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
1175 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1176 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
1180 *p++ = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_DIST_ID,
1182 * Cast away the const. This is
1183 * read only so should be safe
1185 (void *)id, (size_t)len);
1186 *p++ = OSSL_PARAM_construct_end();
1188 ret = evp_pkey_ctx_set_params_strict(ctx, params);
1190 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1194 int EVP_PKEY_CTX_set1_id(EVP_PKEY_CTX *ctx, const void *id, int len)
1196 return EVP_PKEY_CTX_ctrl(ctx, -1, -1,
1197 EVP_PKEY_CTRL_SET1_ID, (int)len, (void*)(id));
1200 static int get1_id_data(EVP_PKEY_CTX *ctx, void *id, size_t *id_len)
1203 void *tmp_id = NULL;
1204 OSSL_PARAM params[2], *p = params;
1206 if (!EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
1207 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1208 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
1212 *p++ = OSSL_PARAM_construct_octet_ptr(OSSL_PKEY_PARAM_DIST_ID,
1214 *p++ = OSSL_PARAM_construct_end();
1216 ret = evp_pkey_ctx_get_params_strict(ctx, params);
1218 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1219 } else if (ret > 0) {
1220 size_t tmp_id_len = params[0].return_size;
1223 memcpy(id, tmp_id, tmp_id_len);
1225 *id_len = tmp_id_len;
1230 int evp_pkey_ctx_get1_id_prov(EVP_PKEY_CTX *ctx, void *id)
1232 return get1_id_data(ctx, id, NULL);
1235 int evp_pkey_ctx_get1_id_len_prov(EVP_PKEY_CTX *ctx, size_t *id_len)
1237 return get1_id_data(ctx, NULL, id_len);
1240 int EVP_PKEY_CTX_get1_id(EVP_PKEY_CTX *ctx, void *id)
1242 return EVP_PKEY_CTX_ctrl(ctx, -1, -1, EVP_PKEY_CTRL_GET1_ID, 0, (void*)id);
1245 int EVP_PKEY_CTX_get1_id_len(EVP_PKEY_CTX *ctx, size_t *id_len)
1247 return EVP_PKEY_CTX_ctrl(ctx, -1, -1,
1248 EVP_PKEY_CTRL_GET1_ID_LEN, 0, (void*)id_len);
1251 static int legacy_ctrl_to_param(EVP_PKEY_CTX *ctx, int keytype, int optype,
1252 int cmd, int p1, void *p2)
1255 case EVP_PKEY_CTRL_SET1_ID:
1256 return evp_pkey_ctx_set1_id_prov(ctx, p2, p1);
1257 case EVP_PKEY_CTRL_GET1_ID:
1258 return evp_pkey_ctx_get1_id_prov(ctx, p2);
1259 case EVP_PKEY_CTRL_GET1_ID_LEN:
1260 return evp_pkey_ctx_get1_id_len_prov(ctx, p2);
1263 # ifndef OPENSSL_NO_DH
1264 if (keytype == EVP_PKEY_DHX) {
1266 case EVP_PKEY_CTRL_DH_KDF_TYPE:
1267 return EVP_PKEY_CTX_set_dh_kdf_type(ctx, p1);
1268 case EVP_PKEY_CTRL_DH_KDF_MD:
1269 return EVP_PKEY_CTX_set_dh_kdf_md(ctx, p2);
1270 case EVP_PKEY_CTRL_DH_KDF_OUTLEN:
1271 return EVP_PKEY_CTX_set_dh_kdf_outlen(ctx, p1);
1272 case EVP_PKEY_CTRL_DH_KDF_UKM:
1273 return EVP_PKEY_CTX_set0_dh_kdf_ukm(ctx, p2, p1);
1274 case EVP_PKEY_CTRL_DH_KDF_OID:
1275 return EVP_PKEY_CTX_set0_dh_kdf_oid(ctx, p2);
1276 case EVP_PKEY_CTRL_GET_DH_KDF_MD:
1277 return EVP_PKEY_CTX_get_dh_kdf_md(ctx, p2);
1278 case EVP_PKEY_CTRL_GET_DH_KDF_OUTLEN:
1279 return EVP_PKEY_CTX_get_dh_kdf_outlen(ctx, p2);
1280 case EVP_PKEY_CTRL_GET_DH_KDF_UKM:
1281 return EVP_PKEY_CTX_get0_dh_kdf_ukm(ctx, p2);
1282 case EVP_PKEY_CTRL_GET_DH_KDF_OID:
1283 return EVP_PKEY_CTX_get0_dh_kdf_oid(ctx, p2);
1286 if (keytype == EVP_PKEY_DH) {
1288 case EVP_PKEY_CTRL_DH_PAD:
1289 return EVP_PKEY_CTX_set_dh_pad(ctx, p1);
1290 case EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN:
1291 return EVP_PKEY_CTX_set_dh_paramgen_prime_len(ctx, p1);
1292 case EVP_PKEY_CTRL_DH_PARAMGEN_SUBPRIME_LEN:
1293 return EVP_PKEY_CTX_set_dh_paramgen_subprime_len(ctx, p1);
1294 case EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR:
1295 return EVP_PKEY_CTX_set_dh_paramgen_generator(ctx, p1);
1296 case EVP_PKEY_CTRL_DH_PARAMGEN_TYPE:
1297 return EVP_PKEY_CTX_set_dh_paramgen_type(ctx, p1);
1298 case EVP_PKEY_CTRL_DH_RFC5114:
1299 return EVP_PKEY_CTX_set_dh_rfc5114(ctx, p1);
1303 # ifndef OPENSSL_NO_DSA
1304 if (keytype == EVP_PKEY_DSA) {
1306 case EVP_PKEY_CTRL_DSA_PARAMGEN_BITS:
1307 return EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx, p1);
1308 case EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS:
1309 return EVP_PKEY_CTX_set_dsa_paramgen_q_bits(ctx, p1);
1310 case EVP_PKEY_CTRL_DSA_PARAMGEN_MD:
1311 return EVP_PKEY_CTX_set_dsa_paramgen_md(ctx, p2);
1315 # ifndef OPENSSL_NO_EC
1316 if (keytype == EVP_PKEY_EC) {
1318 case EVP_PKEY_CTRL_EC_PARAM_ENC:
1319 return evp_pkey_ctx_set_ec_param_enc_prov(ctx, p1);
1320 case EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID:
1321 return EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx, p1);
1322 case EVP_PKEY_CTRL_EC_ECDH_COFACTOR:
1324 return EVP_PKEY_CTX_get_ecdh_cofactor_mode(ctx);
1325 } else if (p1 < -1 || p1 > 1) {
1326 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
1329 return EVP_PKEY_CTX_set_ecdh_cofactor_mode(ctx, p1);
1331 case EVP_PKEY_CTRL_EC_KDF_TYPE:
1333 return EVP_PKEY_CTX_get_ecdh_kdf_type(ctx);
1335 return EVP_PKEY_CTX_set_ecdh_kdf_type(ctx, p1);
1337 case EVP_PKEY_CTRL_GET_EC_KDF_MD:
1338 return EVP_PKEY_CTX_get_ecdh_kdf_md(ctx, p2);
1339 case EVP_PKEY_CTRL_EC_KDF_MD:
1340 return EVP_PKEY_CTX_set_ecdh_kdf_md(ctx, p2);
1341 case EVP_PKEY_CTRL_GET_EC_KDF_OUTLEN:
1342 return EVP_PKEY_CTX_get_ecdh_kdf_outlen(ctx, p2);
1343 case EVP_PKEY_CTRL_EC_KDF_OUTLEN:
1344 return EVP_PKEY_CTX_set_ecdh_kdf_outlen(ctx, p1);
1345 case EVP_PKEY_CTRL_GET_EC_KDF_UKM:
1346 return EVP_PKEY_CTX_get0_ecdh_kdf_ukm(ctx, p2);
1347 case EVP_PKEY_CTRL_EC_KDF_UKM:
1348 return EVP_PKEY_CTX_set0_ecdh_kdf_ukm(ctx, p2, p1);
1352 if (keytype == EVP_PKEY_RSA) {
1354 case EVP_PKEY_CTRL_RSA_OAEP_MD:
1355 return EVP_PKEY_CTX_set_rsa_oaep_md(ctx, p2);
1356 case EVP_PKEY_CTRL_GET_RSA_OAEP_MD:
1357 return EVP_PKEY_CTX_get_rsa_oaep_md(ctx, p2);
1358 case EVP_PKEY_CTRL_RSA_MGF1_MD:
1359 return EVP_PKEY_CTX_set_rsa_oaep_md(ctx, p2);
1360 case EVP_PKEY_CTRL_RSA_OAEP_LABEL:
1361 return EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, p2, p1);
1362 case EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL:
1363 return EVP_PKEY_CTX_get0_rsa_oaep_label(ctx, (unsigned char **)p2);
1364 case EVP_PKEY_CTRL_RSA_KEYGEN_BITS:
1365 return EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, p1);
1366 case EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP:
1367 return EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx, p2);
1368 case EVP_PKEY_CTRL_RSA_KEYGEN_PRIMES:
1369 return EVP_PKEY_CTX_set_rsa_keygen_primes(ctx, p1);
1373 * keytype == -1 is used when several key types share the same structure,
1374 * or for generic controls that are the same across multiple key types.
1376 if (keytype == -1) {
1377 if (optype == EVP_PKEY_OP_DERIVE) {
1380 case EVP_PKEY_CTRL_TLS_MD:
1381 return EVP_PKEY_CTX_set_tls1_prf_md(ctx, p2);
1382 case EVP_PKEY_CTRL_TLS_SECRET:
1383 return EVP_PKEY_CTX_set1_tls1_prf_secret(ctx, p2, p1);
1384 case EVP_PKEY_CTRL_TLS_SEED:
1385 return EVP_PKEY_CTX_add1_tls1_prf_seed(ctx, p2, p1);
1388 case EVP_PKEY_CTRL_HKDF_MD:
1389 return EVP_PKEY_CTX_set_hkdf_md(ctx, p2);
1390 case EVP_PKEY_CTRL_HKDF_SALT :
1391 return EVP_PKEY_CTX_set1_hkdf_salt(ctx, p2, p1);
1392 case EVP_PKEY_CTRL_HKDF_KEY:
1393 return EVP_PKEY_CTX_set1_hkdf_key(ctx, p2, p1);
1394 case EVP_PKEY_CTRL_HKDF_INFO:
1395 return EVP_PKEY_CTX_add1_hkdf_info(ctx, p2, p1);
1396 case EVP_PKEY_CTRL_HKDF_MODE:
1397 return EVP_PKEY_CTX_hkdf_mode(ctx, p1);
1400 case EVP_PKEY_CTRL_PASS:
1401 return EVP_PKEY_CTX_set1_pbe_pass(ctx, p2, p1);
1402 case EVP_PKEY_CTRL_SCRYPT_SALT:
1403 return EVP_PKEY_CTX_set1_scrypt_salt(ctx, p2, p1);
1404 case EVP_PKEY_CTRL_SCRYPT_N:
1405 return EVP_PKEY_CTX_set_scrypt_N(ctx, p1);
1406 case EVP_PKEY_CTRL_SCRYPT_R:
1407 return EVP_PKEY_CTX_set_scrypt_r(ctx, p1);
1408 case EVP_PKEY_CTRL_SCRYPT_P:
1409 return EVP_PKEY_CTX_set_scrypt_p(ctx, p1);
1410 case EVP_PKEY_CTRL_SCRYPT_MAXMEM_BYTES:
1411 return EVP_PKEY_CTX_set_scrypt_maxmem_bytes(ctx, p1);
1413 } else if (optype == EVP_PKEY_OP_KEYGEN) {
1414 OSSL_PARAM params[2], *p = params;
1417 case EVP_PKEY_CTRL_CIPHER:
1419 char *ciphname = (char *)EVP_CIPHER_name(p2);
1421 *p++ = OSSL_PARAM_construct_utf8_string(OSSL_PKEY_PARAM_CIPHER,
1423 *p = OSSL_PARAM_construct_end();
1425 return EVP_PKEY_CTX_set_params(ctx, params);
1427 case EVP_PKEY_CTRL_SET_MAC_KEY:
1429 *p++ = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_PRIV_KEY,
1431 *p = OSSL_PARAM_construct_end();
1433 return EVP_PKEY_CTX_set_params(ctx, params);
1438 case EVP_PKEY_CTRL_MD:
1439 return EVP_PKEY_CTX_set_signature_md(ctx, p2);
1440 case EVP_PKEY_CTRL_GET_MD:
1441 return EVP_PKEY_CTX_get_signature_md(ctx, p2);
1442 case EVP_PKEY_CTRL_RSA_PADDING:
1443 return EVP_PKEY_CTX_set_rsa_padding(ctx, p1);
1444 case EVP_PKEY_CTRL_GET_RSA_PADDING:
1445 return EVP_PKEY_CTX_get_rsa_padding(ctx, p2);
1446 case EVP_PKEY_CTRL_GET_RSA_MGF1_MD:
1447 return EVP_PKEY_CTX_get_rsa_oaep_md(ctx, p2);
1448 case EVP_PKEY_CTRL_RSA_PSS_SALTLEN:
1449 return EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, p1);
1450 case EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN:
1451 return EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx, p2);
1452 case EVP_PKEY_CTRL_PKCS7_ENCRYPT:
1453 case EVP_PKEY_CTRL_PKCS7_DECRYPT:
1454 # ifndef OPENSSL_NO_CMS
1455 case EVP_PKEY_CTRL_CMS_DECRYPT:
1456 case EVP_PKEY_CTRL_CMS_ENCRYPT:
1458 /* TODO (3.0) Temporary hack, this should probe */
1459 if (!EVP_PKEY_is_a(EVP_PKEY_CTX_get0_pkey(ctx), "RSASSA-PSS"))
1461 ERR_raise(ERR_LIB_EVP,
1462 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
1468 * GOST CMS format is different for different cipher algorithms.
1469 * Most of other algorithms don't have such a difference
1470 * so this ctrl is just ignored.
1472 if (cmd == EVP_PKEY_CTRL_CIPHER)
1478 static int evp_pkey_ctx_ctrl_int(EVP_PKEY_CTX *ctx, int keytype, int optype,
1479 int cmd, int p1, void *p2)
1484 EVPerr(0, EVP_R_COMMAND_NOT_SUPPORTED);
1489 * If the method has a |digest_custom| function, we can relax the
1490 * operation type check, since this can be called before the operation
1493 if (ctx->pmeth == NULL || ctx->pmeth->digest_custom == NULL) {
1494 if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {
1495 EVPerr(0, EVP_R_NO_OPERATION_SET);
1499 if ((optype != -1) && !(ctx->operation & optype)) {
1500 EVPerr(0, EVP_R_INVALID_OPERATION);
1505 switch (evp_pkey_ctx_state(ctx)) {
1506 case EVP_PKEY_STATE_PROVIDER:
1507 return legacy_ctrl_to_param(ctx, keytype, optype, cmd, p1, p2);
1508 case EVP_PKEY_STATE_UNKNOWN:
1509 case EVP_PKEY_STATE_LEGACY:
1510 if (ctx->pmeth == NULL || ctx->pmeth->ctrl == NULL) {
1511 EVPerr(0, EVP_R_COMMAND_NOT_SUPPORTED);
1514 if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
1517 ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
1520 EVPerr(0, EVP_R_COMMAND_NOT_SUPPORTED);
1526 int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
1527 int cmd, int p1, void *p2)
1531 /* If unsupported, we don't want that reported here */
1533 ret = evp_pkey_ctx_store_cached_data(ctx, keytype, optype,
1538 ERR_clear_last_mark();
1540 * If there was an error, there was an error.
1541 * If the operation isn't initialized yet, we also return, as
1542 * the saved values will be used then anyway.
1544 if (ret < 1 || ctx->operation == EVP_PKEY_OP_UNDEFINED)
1548 return evp_pkey_ctx_ctrl_int(ctx, keytype, optype, cmd, p1, p2);
1551 int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype,
1552 int cmd, uint64_t value)
1554 return EVP_PKEY_CTX_ctrl(ctx, keytype, optype, cmd, 0, &value);
1557 static int legacy_ctrl_str_to_param(EVP_PKEY_CTX *ctx, const char *name,
1560 if (strcmp(name, "md") == 0)
1561 name = OSSL_ALG_PARAM_DIGEST;
1562 else if (strcmp(name, "rsa_padding_mode") == 0)
1563 name = OSSL_ASYM_CIPHER_PARAM_PAD_MODE;
1564 else if (strcmp(name, "rsa_mgf1_md") == 0)
1565 name = OSSL_ASYM_CIPHER_PARAM_MGF1_DIGEST;
1566 else if (strcmp(name, "rsa_oaep_md") == 0)
1567 name = OSSL_ASYM_CIPHER_PARAM_OAEP_DIGEST;
1568 else if (strcmp(name, "rsa_oaep_label") == 0)
1569 name = OSSL_ASYM_CIPHER_PARAM_OAEP_LABEL;
1570 else if (strcmp(name, "rsa_pss_saltlen") == 0)
1571 name = OSSL_SIGNATURE_PARAM_PSS_SALTLEN;
1572 else if (strcmp(name, "rsa_keygen_bits") == 0)
1573 name = OSSL_PKEY_PARAM_RSA_BITS;
1574 else if (strcmp(name, "rsa_keygen_pubexp") == 0)
1575 name = OSSL_PKEY_PARAM_RSA_E;
1576 else if (strcmp(name, "rsa_keygen_primes") == 0)
1577 name = OSSL_PKEY_PARAM_RSA_PRIMES;
1578 else if (strcmp(name, "rsa_pss_keygen_md") == 0)
1579 name = OSSL_PKEY_PARAM_RSA_DIGEST;
1580 else if (strcmp(name, "rsa_pss_keygen_mgf1_md") == 0)
1581 name = OSSL_PKEY_PARAM_RSA_MGF1_DIGEST;
1582 else if (strcmp(name, "rsa_pss_keygen_saltlen") == 0)
1583 name = OSSL_PKEY_PARAM_RSA_PSS_SALTLEN;
1584 # ifndef OPENSSL_NO_DSA
1585 else if (strcmp(name, "dsa_paramgen_bits") == 0)
1586 name = OSSL_PKEY_PARAM_FFC_PBITS;
1587 else if (strcmp(name, "dsa_paramgen_q_bits") == 0)
1588 name = OSSL_PKEY_PARAM_FFC_QBITS;
1589 else if (strcmp(name, "dsa_paramgen_md") == 0)
1590 name = OSSL_PKEY_PARAM_FFC_DIGEST;
1592 # ifndef OPENSSL_NO_DH
1593 else if (strcmp(name, "dh_paramgen_generator") == 0)
1594 name = OSSL_PKEY_PARAM_DH_GENERATOR;
1595 else if (strcmp(name, "dh_paramgen_prime_len") == 0)
1596 name = OSSL_PKEY_PARAM_FFC_PBITS;
1597 else if (strcmp(name, "dh_paramgen_subprime_len") == 0)
1598 name = OSSL_PKEY_PARAM_FFC_QBITS;
1599 else if (strcmp(name, "dh_paramgen_type") == 0) {
1600 name = OSSL_PKEY_PARAM_FFC_TYPE;
1601 value = dh_gen_type_id2name(atoi(value));
1602 } else if (strcmp(name, "dh_param") == 0)
1603 name = OSSL_PKEY_PARAM_GROUP_NAME;
1604 else if (strcmp(name, "dh_rfc5114") == 0) {
1605 name = OSSL_PKEY_PARAM_GROUP_NAME;
1606 value = ffc_named_group_from_uid(atoi(value));
1607 } else if (strcmp(name, "dh_pad") == 0)
1608 name = OSSL_EXCHANGE_PARAM_PAD;
1610 # ifndef OPENSSL_NO_EC
1611 else if (strcmp(name, "ec_paramgen_curve") == 0)
1612 name = OSSL_PKEY_PARAM_GROUP_NAME;
1613 else if (strcmp(name, "ecdh_cofactor_mode") == 0)
1614 name = OSSL_EXCHANGE_PARAM_EC_ECDH_COFACTOR_MODE;
1615 else if (strcmp(name, "ecdh_kdf_md") == 0)
1616 name = OSSL_EXCHANGE_PARAM_KDF_DIGEST;
1617 else if (strcmp(name, "ec_param_enc") == 0)
1618 name = OSSL_PKEY_PARAM_EC_ENCODING;
1620 else if (strcmp(name, "N") == 0)
1621 name = OSSL_KDF_PARAM_SCRYPT_N;
1625 * TODO(3.0) reduce the code above to only translate known legacy
1626 * string to the corresponding core name (see core_names.h), but
1627 * otherwise leave it to this code block to do the actual work.
1629 const OSSL_PARAM *settable = EVP_PKEY_CTX_settable_params(ctx);
1630 OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
1634 if (!OSSL_PARAM_allocate_from_text(¶ms[0], settable, name, value,
1635 strlen(value), &exists)) {
1637 ERR_raise_data(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED,
1638 "name=%s,value=%s", name, value);
1643 if (EVP_PKEY_CTX_set_params(ctx, params))
1645 OPENSSL_free(params[0].data);
1650 static int evp_pkey_ctx_ctrl_str_int(EVP_PKEY_CTX *ctx,
1651 const char *name, const char *value)
1656 EVPerr(0, EVP_R_COMMAND_NOT_SUPPORTED);
1660 switch (evp_pkey_ctx_state(ctx)) {
1661 case EVP_PKEY_STATE_PROVIDER:
1662 return legacy_ctrl_str_to_param(ctx, name, value);
1663 case EVP_PKEY_STATE_UNKNOWN:
1664 case EVP_PKEY_STATE_LEGACY:
1665 if (ctx == NULL || ctx->pmeth == NULL || ctx->pmeth->ctrl_str == NULL) {
1666 EVPerr(0, EVP_R_COMMAND_NOT_SUPPORTED);
1669 if (strcmp(name, "digest") == 0)
1670 ret = EVP_PKEY_CTX_md(ctx,
1671 EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT,
1672 EVP_PKEY_CTRL_MD, value);
1674 ret = ctx->pmeth->ctrl_str(ctx, name, value);
1681 int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
1682 const char *name, const char *value)
1686 /* If unsupported, we don't want that reported here */
1688 ret = evp_pkey_ctx_store_cached_data(ctx, -1, -1, -1,
1689 name, value, strlen(value) + 1);
1693 ERR_clear_last_mark();
1695 * If there was an error, there was an error.
1696 * If the operation isn't initialized yet, we also return, as
1697 * the saved values will be used then anyway.
1699 if (ret < 1 || ctx->operation == EVP_PKEY_OP_UNDEFINED)
1703 return evp_pkey_ctx_ctrl_str_int(ctx, name, value);
1706 static int decode_cmd(int cmd, const char *name)
1710 * The consequence of the assertion not being true is that this
1711 * function will return -1, which will cause the calling functions
1712 * to signal that the command is unsupported... in non-debug mode.
1714 if (ossl_assert(name != NULL))
1715 if (strcmp(name, "distid") == 0 || strcmp(name, "hexdistid") == 0)
1716 cmd = EVP_PKEY_CTRL_SET1_ID;
1722 static int evp_pkey_ctx_store_cached_data(EVP_PKEY_CTX *ctx,
1723 int keytype, int optype,
1724 int cmd, const char *name,
1725 const void *data, size_t data_len)
1727 if ((keytype != -1 && ctx->pmeth->pkey_id != keytype)
1728 || ((optype != -1) && !(ctx->operation & optype))) {
1729 ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_OPERATION);
1733 cmd = decode_cmd(cmd, name);
1735 case EVP_PKEY_CTRL_SET1_ID:
1736 evp_pkey_ctx_free_cached_data(ctx, cmd, name);
1738 ctx->cached_parameters.dist_id_name = OPENSSL_strdup(name);
1739 if (ctx->cached_parameters.dist_id_name == NULL) {
1740 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
1745 ctx->cached_parameters.dist_id = OPENSSL_memdup(data, data_len);
1746 if (ctx->cached_parameters.dist_id == NULL) {
1747 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
1751 ctx->cached_parameters.dist_id_set = 1;
1752 ctx->cached_parameters.dist_id_len = data_len;
1756 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1760 static void evp_pkey_ctx_free_cached_data(EVP_PKEY_CTX *ctx,
1761 int cmd, const char *name)
1763 cmd = decode_cmd(cmd, name);
1765 case EVP_PKEY_CTRL_SET1_ID:
1766 OPENSSL_free(ctx->cached_parameters.dist_id);
1767 OPENSSL_free(ctx->cached_parameters.dist_id_name);
1768 ctx->cached_parameters.dist_id = NULL;
1769 ctx->cached_parameters.dist_id_name = NULL;
1774 static void evp_pkey_ctx_free_all_cached_data(EVP_PKEY_CTX *ctx)
1776 evp_pkey_ctx_free_cached_data(ctx, EVP_PKEY_CTRL_SET1_ID, NULL);
1779 int evp_pkey_ctx_use_cached_data(EVP_PKEY_CTX *ctx)
1783 if (ret && ctx->cached_parameters.dist_id_set) {
1784 const char *name = ctx->cached_parameters.dist_id_name;
1785 const void *val = ctx->cached_parameters.dist_id;
1786 size_t len = ctx->cached_parameters.dist_id_len;
1789 ret = evp_pkey_ctx_ctrl_str_int(ctx, name, val);
1791 ret = evp_pkey_ctx_ctrl_int(ctx, -1, ctx->operation,
1792 EVP_PKEY_CTRL_SET1_ID,
1793 (int)len, (void *)val);
1799 /* Utility functions to send a string of hex string to a ctrl */
1801 int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str)
1808 return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str);
1811 int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex)
1817 bin = OPENSSL_hexstr2buf(hex, &binlen);
1820 if (binlen <= INT_MAX)
1821 rv = ctx->pmeth->ctrl(ctx, cmd, binlen, bin);
1826 /* Pass a message digest to a ctrl */
1827 int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md)
1831 if (md == NULL || (m = EVP_get_digestbyname(md)) == NULL) {
1832 EVPerr(EVP_F_EVP_PKEY_CTX_MD, EVP_R_INVALID_DIGEST);
1835 return EVP_PKEY_CTX_ctrl(ctx, -1, optype, cmd, 0, (void *)m);
1838 int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx)
1840 return ctx->operation;
1843 void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen)
1845 ctx->keygen_info = dat;
1846 ctx->keygen_info_count = datlen;
1849 void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data)
1854 void *EVP_PKEY_CTX_get_data(const EVP_PKEY_CTX *ctx)
1859 EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx)
1864 EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx)
1866 return ctx->peerkey;
1869 void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data)
1871 ctx->app_data = data;
1874 void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx)
1876 return ctx->app_data;
1879 void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
1880 int (*init) (EVP_PKEY_CTX *ctx))
1885 void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
1886 int (*copy) (EVP_PKEY_CTX *dst,
1887 const EVP_PKEY_CTX *src))
1892 void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
1893 void (*cleanup) (EVP_PKEY_CTX *ctx))
1895 pmeth->cleanup = cleanup;
1898 void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
1899 int (*paramgen_init) (EVP_PKEY_CTX *ctx),
1900 int (*paramgen) (EVP_PKEY_CTX *ctx,
1903 pmeth->paramgen_init = paramgen_init;
1904 pmeth->paramgen = paramgen;
1907 void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
1908 int (*keygen_init) (EVP_PKEY_CTX *ctx),
1909 int (*keygen) (EVP_PKEY_CTX *ctx,
1912 pmeth->keygen_init = keygen_init;
1913 pmeth->keygen = keygen;
1916 void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
1917 int (*sign_init) (EVP_PKEY_CTX *ctx),
1918 int (*sign) (EVP_PKEY_CTX *ctx,
1919 unsigned char *sig, size_t *siglen,
1920 const unsigned char *tbs,
1923 pmeth->sign_init = sign_init;
1927 void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
1928 int (*verify_init) (EVP_PKEY_CTX *ctx),
1929 int (*verify) (EVP_PKEY_CTX *ctx,
1930 const unsigned char *sig,
1932 const unsigned char *tbs,
1935 pmeth->verify_init = verify_init;
1936 pmeth->verify = verify;
1939 void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
1940 int (*verify_recover_init) (EVP_PKEY_CTX
1942 int (*verify_recover) (EVP_PKEY_CTX
1951 pmeth->verify_recover_init = verify_recover_init;
1952 pmeth->verify_recover = verify_recover;
1955 void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
1956 int (*signctx_init) (EVP_PKEY_CTX *ctx,
1958 int (*signctx) (EVP_PKEY_CTX *ctx,
1963 pmeth->signctx_init = signctx_init;
1964 pmeth->signctx = signctx;
1967 void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
1968 int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
1970 int (*verifyctx) (EVP_PKEY_CTX *ctx,
1971 const unsigned char *sig,
1975 pmeth->verifyctx_init = verifyctx_init;
1976 pmeth->verifyctx = verifyctx;
1979 void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
1980 int (*encrypt_init) (EVP_PKEY_CTX *ctx),
1981 int (*encryptfn) (EVP_PKEY_CTX *ctx,
1984 const unsigned char *in,
1987 pmeth->encrypt_init = encrypt_init;
1988 pmeth->encrypt = encryptfn;
1991 void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
1992 int (*decrypt_init) (EVP_PKEY_CTX *ctx),
1993 int (*decrypt) (EVP_PKEY_CTX *ctx,
1996 const unsigned char *in,
1999 pmeth->decrypt_init = decrypt_init;
2000 pmeth->decrypt = decrypt;
2003 void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
2004 int (*derive_init) (EVP_PKEY_CTX *ctx),
2005 int (*derive) (EVP_PKEY_CTX *ctx,
2009 pmeth->derive_init = derive_init;
2010 pmeth->derive = derive;
2013 void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
2014 int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
2016 int (*ctrl_str) (EVP_PKEY_CTX *ctx,
2021 pmeth->ctrl_str = ctrl_str;
2024 void EVP_PKEY_meth_set_digestsign(EVP_PKEY_METHOD *pmeth,
2025 int (*digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
2026 const unsigned char *tbs, size_t tbslen))
2028 pmeth->digestsign = digestsign;
2031 void EVP_PKEY_meth_set_digestverify(EVP_PKEY_METHOD *pmeth,
2032 int (*digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
2033 size_t siglen, const unsigned char *tbs,
2036 pmeth->digestverify = digestverify;
2039 void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth,
2040 int (*check) (EVP_PKEY *pkey))
2042 pmeth->check = check;
2045 void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD *pmeth,
2046 int (*check) (EVP_PKEY *pkey))
2048 pmeth->public_check = check;
2051 void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD *pmeth,
2052 int (*check) (EVP_PKEY *pkey))
2054 pmeth->param_check = check;
2057 void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD *pmeth,
2058 int (*digest_custom) (EVP_PKEY_CTX *ctx,
2061 pmeth->digest_custom = digest_custom;
2064 void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD *pmeth,
2065 int (**pinit) (EVP_PKEY_CTX *ctx))
2067 *pinit = pmeth->init;
2070 void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD *pmeth,
2071 int (**pcopy) (EVP_PKEY_CTX *dst,
2072 const EVP_PKEY_CTX *src))
2074 *pcopy = pmeth->copy;
2077 void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD *pmeth,
2078 void (**pcleanup) (EVP_PKEY_CTX *ctx))
2080 *pcleanup = pmeth->cleanup;
2083 void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD *pmeth,
2084 int (**pparamgen_init) (EVP_PKEY_CTX *ctx),
2085 int (**pparamgen) (EVP_PKEY_CTX *ctx,
2089 *pparamgen_init = pmeth->paramgen_init;
2091 *pparamgen = pmeth->paramgen;
2094 void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD *pmeth,
2095 int (**pkeygen_init) (EVP_PKEY_CTX *ctx),
2096 int (**pkeygen) (EVP_PKEY_CTX *ctx,
2100 *pkeygen_init = pmeth->keygen_init;
2102 *pkeygen = pmeth->keygen;
2105 void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD *pmeth,
2106 int (**psign_init) (EVP_PKEY_CTX *ctx),
2107 int (**psign) (EVP_PKEY_CTX *ctx,
2108 unsigned char *sig, size_t *siglen,
2109 const unsigned char *tbs,
2113 *psign_init = pmeth->sign_init;
2115 *psign = pmeth->sign;
2118 void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD *pmeth,
2119 int (**pverify_init) (EVP_PKEY_CTX *ctx),
2120 int (**pverify) (EVP_PKEY_CTX *ctx,
2121 const unsigned char *sig,
2123 const unsigned char *tbs,
2127 *pverify_init = pmeth->verify_init;
2129 *pverify = pmeth->verify;
2132 void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD *pmeth,
2133 int (**pverify_recover_init) (EVP_PKEY_CTX
2135 int (**pverify_recover) (EVP_PKEY_CTX
2144 if (pverify_recover_init)
2145 *pverify_recover_init = pmeth->verify_recover_init;
2146 if (pverify_recover)
2147 *pverify_recover = pmeth->verify_recover;
2150 void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD *pmeth,
2151 int (**psignctx_init) (EVP_PKEY_CTX *ctx,
2153 int (**psignctx) (EVP_PKEY_CTX *ctx,
2159 *psignctx_init = pmeth->signctx_init;
2161 *psignctx = pmeth->signctx;
2164 void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD *pmeth,
2165 int (**pverifyctx_init) (EVP_PKEY_CTX *ctx,
2167 int (**pverifyctx) (EVP_PKEY_CTX *ctx,
2168 const unsigned char *sig,
2172 if (pverifyctx_init)
2173 *pverifyctx_init = pmeth->verifyctx_init;
2175 *pverifyctx = pmeth->verifyctx;
2178 void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD *pmeth,
2179 int (**pencrypt_init) (EVP_PKEY_CTX *ctx),
2180 int (**pencryptfn) (EVP_PKEY_CTX *ctx,
2183 const unsigned char *in,
2187 *pencrypt_init = pmeth->encrypt_init;
2189 *pencryptfn = pmeth->encrypt;
2192 void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD *pmeth,
2193 int (**pdecrypt_init) (EVP_PKEY_CTX *ctx),
2194 int (**pdecrypt) (EVP_PKEY_CTX *ctx,
2197 const unsigned char *in,
2201 *pdecrypt_init = pmeth->decrypt_init;
2203 *pdecrypt = pmeth->decrypt;
2206 void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD *pmeth,
2207 int (**pderive_init) (EVP_PKEY_CTX *ctx),
2208 int (**pderive) (EVP_PKEY_CTX *ctx,
2213 *pderive_init = pmeth->derive_init;
2215 *pderive = pmeth->derive;
2218 void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD *pmeth,
2219 int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
2221 int (**pctrl_str) (EVP_PKEY_CTX *ctx,
2226 *pctrl = pmeth->ctrl;
2228 *pctrl_str = pmeth->ctrl_str;
2231 void EVP_PKEY_meth_get_digestsign(EVP_PKEY_METHOD *pmeth,
2232 int (**digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
2233 const unsigned char *tbs, size_t tbslen))
2236 *digestsign = pmeth->digestsign;
2239 void EVP_PKEY_meth_get_digestverify(EVP_PKEY_METHOD *pmeth,
2240 int (**digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
2241 size_t siglen, const unsigned char *tbs,
2245 *digestverify = pmeth->digestverify;
2248 void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD *pmeth,
2249 int (**pcheck) (EVP_PKEY *pkey))
2252 *pcheck = pmeth->check;
2255 void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD *pmeth,
2256 int (**pcheck) (EVP_PKEY *pkey))
2259 *pcheck = pmeth->public_check;
2262 void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD *pmeth,
2263 int (**pcheck) (EVP_PKEY *pkey))
2266 *pcheck = pmeth->param_check;
2269 void EVP_PKEY_meth_get_digest_custom(EVP_PKEY_METHOD *pmeth,
2270 int (**pdigest_custom) (EVP_PKEY_CTX *ctx,
2273 if (pdigest_custom != NULL)
2274 *pdigest_custom = pmeth->digest_custom;
2277 #endif /* FIPS_MODULE */