3 * Copyright 2006-2018 The OpenSSL Project Authors. All Rights Reserved.
5 * Licensed under the Apache License 2.0 (the "License"). You may not use
6 * this file except in compliance with the License. You can obtain a copy
7 * in the file LICENSE in the source distribution or at
8 * https://www.openssl.org/source/license.html
12 * DH low level APIs are deprecated for public use, but still ok for
15 #include "internal/deprecated.h"
19 #include <openssl/engine.h>
20 #include <openssl/evp.h>
21 #include <openssl/x509v3.h>
22 #include <openssl/core_names.h>
23 #include <openssl/dh.h>
24 #include <openssl/rsa.h>
25 #include "internal/cryptlib.h"
26 #include "crypto/asn1.h"
27 #include "crypto/evp.h"
28 #include "internal/numbers.h"
29 #include "internal/provider.h"
30 #include "evp_local.h"
34 typedef const EVP_PKEY_METHOD *(*pmeth_fn)(void);
35 typedef int sk_cmp_fn_type(const char *const *a, const char *const *b);
37 static STACK_OF(EVP_PKEY_METHOD) *app_pkey_methods = NULL;
39 /* This array needs to be in order of NIDs */
40 static pmeth_fn standard_methods[] = {
41 # ifndef OPENSSL_NO_RSA
44 # ifndef OPENSSL_NO_DH
47 # ifndef OPENSSL_NO_DSA
50 # ifndef OPENSSL_NO_EC
54 # ifndef OPENSSL_NO_CMAC
57 # ifndef OPENSSL_NO_RSA
60 # ifndef OPENSSL_NO_DH
63 # ifndef OPENSSL_NO_SCRYPT
67 # ifndef OPENSSL_NO_EC
72 # ifndef OPENSSL_NO_POLY1305
75 # ifndef OPENSSL_NO_SIPHASH
78 # ifndef OPENSSL_NO_EC
82 # ifndef OPENSSL_NO_SM2
87 DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, pmeth_fn, pmeth_func);
89 static int pmeth_func_cmp(const EVP_PKEY_METHOD *const *a, pmeth_fn const *b)
91 return ((*a)->pkey_id - ((**b)())->pkey_id);
94 IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, pmeth_fn, pmeth_func);
96 static int pmeth_cmp(const EVP_PKEY_METHOD *const *a,
97 const EVP_PKEY_METHOD *const *b)
99 return ((*a)->pkey_id - (*b)->pkey_id);
102 const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type)
106 const EVP_PKEY_METHOD *t = &tmp;
109 if (app_pkey_methods) {
111 idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp);
113 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
115 ret = OBJ_bsearch_pmeth_func(&t, standard_methods,
116 sizeof(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 EVPerr(EVP_F_EVP_PKEY_METH_NEW, ERR_R_MALLOC_FAILURE);
134 pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC;
137 #endif /* FIPS_MODE */
139 static EVP_PKEY_CTX *int_ctx_new(OPENSSL_CTX *libctx,
140 EVP_PKEY *pkey, ENGINE *e,
141 const char *keytype, const char *propquery,
146 const EVP_PKEY_METHOD *pmeth = NULL;
147 EVP_KEYMGMT *keymgmt = NULL;
150 * When using providers, the context is bound to the algo implementation
153 if (pkey == NULL && e == NULL && id == -1)
157 * If the key doesn't contain anything legacy, then it must be provided,
158 * so we extract the necessary information and use that.
160 if (pkey != NULL && pkey->ameth == NULL) {
161 /* If we have an engine, something went wrong somewhere... */
162 if (!ossl_assert(e == NULL))
164 keytype = evp_first_name(pkey->keymgmt->prov, pkey->keymgmt->name_id);
168 /* TODO(3.0) Legacy code should be removed when all is provider based */
177 * Here, we extract what information we can for the purpose of
178 * supporting usage with implementations from providers, to make
179 * for a smooth transition from legacy stuff to provider based stuff.
181 * If an engine is given, this is entirely legacy, and we should not
182 * pretend anything else, so we only set the name when no engine is
183 * given. If both are already given, someone made a mistake, and
184 * since that can only happen internally, it's safe to make an
187 if (!ossl_assert(e == NULL || keytype == NULL))
190 keytype = OBJ_nid2sn(id);
192 # ifndef OPENSSL_NO_ENGINE
193 if (e == NULL && pkey != NULL)
194 e = pkey->pmeth_engine != NULL ? pkey->pmeth_engine : pkey->engine;
195 /* Try to find an ENGINE which implements this method */
197 if (!ENGINE_init(e)) {
198 EVPerr(EVP_F_INT_CTX_NEW, ERR_R_ENGINE_LIB);
202 e = ENGINE_get_pkey_meth_engine(id);
206 * If an ENGINE handled this method look it up. Otherwise use internal
210 pmeth = ENGINE_get_pkey_meth(e, id);
213 pmeth = EVP_PKEY_meth_find(id);
216 # ifndef OPENSSL_NO_ENGINE
219 EVPerr(EVP_F_INT_CTX_NEW, EVP_R_UNSUPPORTED_ALGORITHM);
223 #endif /* FIPS_MODE */
226 * If there's no engine and there's a name, we try fetching a provider
229 if (e == NULL && keytype != NULL)
230 keymgmt = EVP_KEYMGMT_fetch(libctx, keytype, propquery);
232 ret = OPENSSL_zalloc(sizeof(*ret));
234 #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODE)
237 EVPerr(EVP_F_INT_CTX_NEW, ERR_R_MALLOC_FAILURE);
240 ret->libctx = libctx;
241 ret->propquery = propquery;
242 ret->keytype = keytype;
243 ret->keymgmt = keymgmt;
246 ret->operation = EVP_PKEY_OP_UNDEFINED;
249 EVP_PKEY_up_ref(pkey);
251 if (pmeth != NULL && pmeth->init != NULL) {
252 if (pmeth->init(ret) <= 0) {
254 EVP_PKEY_CTX_free(ret);
262 /*- All methods below can also be used in FIPS_MODE */
264 EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_name(OPENSSL_CTX *libctx,
266 const char *propquery)
268 return int_ctx_new(libctx, NULL, NULL, name, propquery, -1);
271 EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_pkey(OPENSSL_CTX *libctx, EVP_PKEY *pkey,
272 const char *propquery)
274 return int_ctx_new(libctx, pkey, NULL, NULL, propquery, -1);
277 void evp_pkey_ctx_free_old_ops(EVP_PKEY_CTX *ctx)
279 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
280 if (ctx->op.sig.sigprovctx != NULL && ctx->op.sig.signature != NULL)
281 ctx->op.sig.signature->freectx(ctx->op.sig.sigprovctx);
282 EVP_SIGNATURE_free(ctx->op.sig.signature);
283 ctx->op.sig.sigprovctx = NULL;
284 ctx->op.sig.signature = NULL;
285 } else if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
286 if (ctx->op.kex.exchprovctx != NULL && ctx->op.kex.exchange != NULL)
287 ctx->op.kex.exchange->freectx(ctx->op.kex.exchprovctx);
288 EVP_KEYEXCH_free(ctx->op.kex.exchange);
289 ctx->op.kex.exchprovctx = NULL;
290 ctx->op.kex.exchange = NULL;
292 /* TODO(3.0): add dependancies and uncomment this when available for fips mode */
294 else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)) {
295 if (ctx->op.ciph.ciphprovctx != NULL && ctx->op.ciph.cipher != NULL)
296 ctx->op.ciph.cipher->freectx(ctx->op.ciph.ciphprovctx);
297 EVP_ASYM_CIPHER_free(ctx->op.ciph.cipher);
298 ctx->op.ciph.ciphprovctx = NULL;
299 ctx->op.ciph.cipher = NULL;
300 } else if (EVP_PKEY_CTX_IS_GEN_OP(ctx)) {
301 if (ctx->op.keymgmt.genctx != NULL && ctx->keymgmt != NULL)
302 evp_keymgmt_gen_cleanup(ctx->keymgmt, ctx->op.keymgmt.genctx);
307 void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
311 if (ctx->pmeth && ctx->pmeth->cleanup)
312 ctx->pmeth->cleanup(ctx);
314 evp_pkey_ctx_free_old_ops(ctx);
315 EVP_KEYMGMT_free(ctx->keymgmt);
317 EVP_PKEY_free(ctx->pkey);
318 EVP_PKEY_free(ctx->peerkey);
319 #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODE)
320 ENGINE_finish(ctx->engine);
327 void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
328 const EVP_PKEY_METHOD *meth)
331 *ppkey_id = meth->pkey_id;
333 *pflags = meth->flags;
336 void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src)
339 dst->init = src->init;
340 dst->copy = src->copy;
341 dst->cleanup = src->cleanup;
343 dst->paramgen_init = src->paramgen_init;
344 dst->paramgen = src->paramgen;
346 dst->keygen_init = src->keygen_init;
347 dst->keygen = src->keygen;
349 dst->sign_init = src->sign_init;
350 dst->sign = src->sign;
352 dst->verify_init = src->verify_init;
353 dst->verify = src->verify;
355 dst->verify_recover_init = src->verify_recover_init;
356 dst->verify_recover = src->verify_recover;
358 dst->signctx_init = src->signctx_init;
359 dst->signctx = src->signctx;
361 dst->verifyctx_init = src->verifyctx_init;
362 dst->verifyctx = src->verifyctx;
364 dst->encrypt_init = src->encrypt_init;
365 dst->encrypt = src->encrypt;
367 dst->decrypt_init = src->decrypt_init;
368 dst->decrypt = src->decrypt;
370 dst->derive_init = src->derive_init;
371 dst->derive = src->derive;
373 dst->ctrl = src->ctrl;
374 dst->ctrl_str = src->ctrl_str;
376 dst->check = src->check;
379 void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth)
381 if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC))
385 EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e)
387 return int_ctx_new(NULL, pkey, e, NULL, NULL, -1);
390 EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e)
392 return int_ctx_new(NULL, NULL, e, NULL, NULL, id);
395 EVP_PKEY_CTX *EVP_PKEY_CTX_dup(const EVP_PKEY_CTX *pctx)
399 if (((pctx->pmeth == NULL) || (pctx->pmeth->copy == NULL))
400 && ((EVP_PKEY_CTX_IS_DERIVE_OP(pctx)
401 && pctx->op.kex.exchprovctx == NULL)
402 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx)
403 && pctx->op.sig.sigprovctx == NULL)))
405 # ifndef OPENSSL_NO_ENGINE
406 /* Make sure it's safe to copy a pkey context using an ENGINE */
407 if (pctx->engine && !ENGINE_init(pctx->engine)) {
408 EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_ENGINE_LIB);
412 rctx = OPENSSL_zalloc(sizeof(*rctx));
414 EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_MALLOC_FAILURE);
418 if (pctx->pkey != NULL)
419 EVP_PKEY_up_ref(pctx->pkey);
420 rctx->pkey = pctx->pkey;
421 rctx->operation = pctx->operation;
422 rctx->libctx = pctx->libctx;
423 rctx->keytype = pctx->keytype;
424 rctx->propquery = pctx->propquery;
426 if (EVP_PKEY_CTX_IS_DERIVE_OP(pctx)) {
427 if (pctx->op.kex.exchange != NULL) {
428 rctx->op.kex.exchange = pctx->op.kex.exchange;
429 if (!EVP_KEYEXCH_up_ref(rctx->op.kex.exchange)) {
434 if (pctx->op.kex.exchprovctx != NULL) {
435 if (!ossl_assert(pctx->op.kex.exchange != NULL))
437 rctx->op.kex.exchprovctx
438 = pctx->op.kex.exchange->dupctx(pctx->op.kex.exchprovctx);
439 if (rctx->op.kex.exchprovctx == NULL) {
440 EVP_KEYEXCH_free(rctx->op.kex.exchange);
446 } else if (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx)) {
447 if (pctx->op.sig.signature != NULL) {
448 rctx->op.sig.signature = pctx->op.sig.signature;
449 if (!EVP_SIGNATURE_up_ref(rctx->op.sig.signature)) {
454 if (pctx->op.sig.sigprovctx != NULL) {
455 if (!ossl_assert(pctx->op.sig.signature != NULL))
457 rctx->op.sig.sigprovctx
458 = pctx->op.sig.signature->dupctx(pctx->op.sig.sigprovctx);
459 if (rctx->op.sig.sigprovctx == NULL) {
460 EVP_SIGNATURE_free(rctx->op.sig.signature);
466 } else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(pctx)) {
467 if (pctx->op.ciph.cipher != NULL) {
468 rctx->op.ciph.cipher = pctx->op.ciph.cipher;
469 if (!EVP_ASYM_CIPHER_up_ref(rctx->op.ciph.cipher)) {
474 if (pctx->op.ciph.ciphprovctx != NULL) {
475 if (!ossl_assert(pctx->op.ciph.cipher != NULL))
477 rctx->op.ciph.ciphprovctx
478 = pctx->op.ciph.cipher->dupctx(pctx->op.ciph.ciphprovctx);
479 if (rctx->op.ciph.ciphprovctx == NULL) {
480 EVP_ASYM_CIPHER_free(rctx->op.ciph.cipher);
488 rctx->pmeth = pctx->pmeth;
489 # ifndef OPENSSL_NO_ENGINE
490 rctx->engine = pctx->engine;
494 EVP_PKEY_up_ref(pctx->peerkey);
495 rctx->peerkey = pctx->peerkey;
497 if (pctx->pmeth->copy(rctx, pctx) > 0)
501 EVP_PKEY_CTX_free(rctx);
506 int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth)
508 if (app_pkey_methods == NULL) {
509 app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp);
510 if (app_pkey_methods == NULL){
511 EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE);
515 if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth)) {
516 EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE);
519 sk_EVP_PKEY_METHOD_sort(app_pkey_methods);
523 void evp_app_cleanup_int(void)
525 if (app_pkey_methods != NULL)
526 sk_EVP_PKEY_METHOD_pop_free(app_pkey_methods, EVP_PKEY_meth_free);
529 int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD *pmeth)
531 const EVP_PKEY_METHOD *ret;
533 ret = sk_EVP_PKEY_METHOD_delete_ptr(app_pkey_methods, pmeth);
535 return ret == NULL ? 0 : 1;
538 size_t EVP_PKEY_meth_get_count(void)
540 size_t rv = OSSL_NELEM(standard_methods);
542 if (app_pkey_methods)
543 rv += sk_EVP_PKEY_METHOD_num(app_pkey_methods);
547 const EVP_PKEY_METHOD *EVP_PKEY_meth_get0(size_t idx)
549 if (idx < OSSL_NELEM(standard_methods))
550 return (standard_methods[idx])();
551 if (app_pkey_methods == NULL)
553 idx -= OSSL_NELEM(standard_methods);
554 if (idx >= (size_t)sk_EVP_PKEY_METHOD_num(app_pkey_methods))
556 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
560 int EVP_PKEY_CTX_set_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
562 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
563 && ctx->op.kex.exchprovctx != NULL
564 && ctx->op.kex.exchange != NULL
565 && ctx->op.kex.exchange->set_ctx_params != NULL)
566 return ctx->op.kex.exchange->set_ctx_params(ctx->op.kex.exchprovctx,
568 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
569 && ctx->op.sig.sigprovctx != NULL
570 && ctx->op.sig.signature != NULL
571 && ctx->op.sig.signature->set_ctx_params != NULL)
572 return ctx->op.sig.signature->set_ctx_params(ctx->op.sig.sigprovctx,
574 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
575 && ctx->op.ciph.ciphprovctx != NULL
576 && ctx->op.ciph.cipher != NULL
577 && ctx->op.ciph.cipher->set_ctx_params != NULL)
578 return ctx->op.ciph.cipher->set_ctx_params(ctx->op.ciph.ciphprovctx,
580 if (EVP_PKEY_CTX_IS_GEN_OP(ctx)
581 && ctx->op.keymgmt.genctx != NULL
582 && ctx->keymgmt != NULL
583 && ctx->keymgmt->gen_set_params != NULL)
584 return evp_keymgmt_gen_set_params(ctx->keymgmt, ctx->op.keymgmt.genctx,
590 int EVP_PKEY_CTX_get_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
592 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
593 && ctx->op.kex.exchprovctx != NULL
594 && ctx->op.kex.exchange != NULL
595 && ctx->op.kex.exchange->get_ctx_params != NULL)
596 return ctx->op.kex.exchange->get_ctx_params(ctx->op.kex.exchprovctx,
598 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
599 && ctx->op.sig.sigprovctx != NULL
600 && ctx->op.sig.signature != NULL
601 && ctx->op.sig.signature->get_ctx_params != NULL)
602 return ctx->op.sig.signature->get_ctx_params(ctx->op.sig.sigprovctx,
604 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
605 && ctx->op.ciph.ciphprovctx != NULL
606 && ctx->op.ciph.cipher != NULL
607 && ctx->op.ciph.cipher->get_ctx_params != NULL)
608 return ctx->op.ciph.cipher->get_ctx_params(ctx->op.ciph.ciphprovctx,
613 const OSSL_PARAM *EVP_PKEY_CTX_gettable_params(EVP_PKEY_CTX *ctx)
615 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
616 && ctx->op.kex.exchange != NULL
617 && ctx->op.kex.exchange->gettable_ctx_params != NULL)
618 return ctx->op.kex.exchange->gettable_ctx_params();
619 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
620 && ctx->op.sig.signature != NULL
621 && ctx->op.sig.signature->gettable_ctx_params != NULL)
622 return ctx->op.sig.signature->gettable_ctx_params();
624 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
625 && ctx->op.ciph.cipher != NULL
626 && ctx->op.ciph.cipher->gettable_ctx_params != NULL)
627 return ctx->op.ciph.cipher->gettable_ctx_params();
632 const OSSL_PARAM *EVP_PKEY_CTX_settable_params(EVP_PKEY_CTX *ctx)
634 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
635 && ctx->op.kex.exchange != NULL
636 && ctx->op.kex.exchange->settable_ctx_params != NULL)
637 return ctx->op.kex.exchange->settable_ctx_params();
638 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
639 && ctx->op.sig.signature != NULL
640 && ctx->op.sig.signature->settable_ctx_params != NULL)
641 return ctx->op.sig.signature->settable_ctx_params();
642 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
643 && ctx->op.ciph.cipher != NULL
644 && ctx->op.ciph.cipher->settable_ctx_params != NULL)
645 return ctx->op.ciph.cipher->settable_ctx_params();
646 if (EVP_PKEY_CTX_IS_GEN_OP(ctx)
647 && ctx->keymgmt != NULL
648 && ctx->keymgmt->gen_settable_params != NULL)
649 return evp_keymgmt_gen_settable_params(ctx->keymgmt);
655 * Internal helpers for stricter EVP_PKEY_CTX_{set,get}_params().
657 * Return 1 on success, 0 or negative for errors.
659 * In particular they return -2 if any of the params is not supported.
661 * They are not available in FIPS_MODE as they depend on
662 * - EVP_PKEY_CTX_{get,set}_params()
663 * - EVP_PKEY_CTX_{gettable,settable}_params()
666 int evp_pkey_ctx_set_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
670 if (ctx == NULL || params == NULL)
673 for (p = params; p->key != NULL; p++) {
674 /* Check the ctx actually understands this parameter */
675 if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_settable_params(ctx),
680 return EVP_PKEY_CTX_set_params(ctx, params);
683 int evp_pkey_ctx_get_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
687 if (ctx == NULL || params == NULL)
690 for (p = params; p->key != NULL; p++ ) {
691 /* Check the ctx actually understands this parameter */
692 if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_gettable_params(ctx),
697 return EVP_PKEY_CTX_get_params(ctx, params);
700 # ifndef OPENSSL_NO_DH
701 int EVP_PKEY_CTX_set_dh_pad(EVP_PKEY_CTX *ctx, int pad)
703 OSSL_PARAM dh_pad_params[2];
704 unsigned int upad = pad;
706 /* We use EVP_PKEY_CTX_ctrl return values */
707 if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
708 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
712 /* TODO(3.0): Remove this eventually when no more legacy */
713 if (ctx->op.kex.exchprovctx == NULL)
714 return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_DERIVE,
715 EVP_PKEY_CTRL_DH_PAD, pad, NULL);
717 dh_pad_params[0] = OSSL_PARAM_construct_uint(OSSL_EXCHANGE_PARAM_PAD, &upad);
718 dh_pad_params[1] = OSSL_PARAM_construct_end();
720 return EVP_PKEY_CTX_set_params(ctx, dh_pad_params);
724 int EVP_PKEY_CTX_get_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD **md)
726 OSSL_PARAM sig_md_params[3], *p = sig_md_params;
727 /* 80 should be big enough */
731 if (ctx == NULL || !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
732 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
733 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
737 /* TODO(3.0): Remove this eventually when no more legacy */
738 if (ctx->op.sig.sigprovctx == NULL)
739 return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,
740 EVP_PKEY_CTRL_GET_MD, 0, (void *)(md));
742 *p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST,
745 *p++ = OSSL_PARAM_construct_end();
747 if (!EVP_PKEY_CTX_get_params(ctx, sig_md_params))
750 tmp = evp_get_digestbyname_ex(ctx->libctx, name);
759 int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
761 OSSL_PARAM sig_md_params[2], *p = sig_md_params;
764 if (ctx == NULL || !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
765 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
766 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
770 /* TODO(3.0): Remove this eventually when no more legacy */
771 if (ctx->op.sig.sigprovctx == NULL)
772 return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,
773 EVP_PKEY_CTRL_MD, 0, (void *)(md));
778 name = EVP_MD_name(md);
781 *p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST,
783 * Cast away the const. This is read
784 * only so should be safe
787 *p++ = OSSL_PARAM_construct_end();
789 return EVP_PKEY_CTX_set_params(ctx, sig_md_params);
792 static int legacy_ctrl_to_param(EVP_PKEY_CTX *ctx, int keytype, int optype,
793 int cmd, int p1, void *p2)
796 * GOST CMS format is different for different cipher algorithms.
797 * Most of other algorithms don't have such a difference
798 * so this ctrl is just ignored.
800 if (cmd == EVP_PKEY_CTRL_CIPHER)
802 # ifndef OPENSSL_NO_DH
803 if (keytype == EVP_PKEY_DH) {
805 case EVP_PKEY_CTRL_DH_PAD:
806 return EVP_PKEY_CTX_set_dh_pad(ctx, p1);
810 # ifndef OPENSSL_NO_EC
811 if (keytype == EVP_PKEY_EC) {
813 case EVP_PKEY_CTRL_EC_ECDH_COFACTOR:
815 return EVP_PKEY_CTX_get_ecdh_cofactor_mode(ctx);
816 } else if (p1 < -1 || p1 > 1) {
817 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
820 return EVP_PKEY_CTX_set_ecdh_cofactor_mode(ctx, p1);
822 case EVP_PKEY_CTRL_EC_KDF_TYPE:
824 return EVP_PKEY_CTX_get_ecdh_kdf_type(ctx);
826 return EVP_PKEY_CTX_set_ecdh_kdf_type(ctx, p1);
828 case EVP_PKEY_CTRL_GET_EC_KDF_MD:
829 return EVP_PKEY_CTX_get_ecdh_kdf_md(ctx, p2);
830 case EVP_PKEY_CTRL_EC_KDF_MD:
831 return EVP_PKEY_CTX_set_ecdh_kdf_md(ctx, p2);
832 case EVP_PKEY_CTRL_GET_EC_KDF_OUTLEN:
833 return EVP_PKEY_CTX_get_ecdh_kdf_outlen(ctx, p2);
834 case EVP_PKEY_CTRL_EC_KDF_OUTLEN:
835 return EVP_PKEY_CTX_set_ecdh_kdf_outlen(ctx, p1);
836 case EVP_PKEY_CTRL_GET_EC_KDF_UKM:
837 return EVP_PKEY_CTX_get0_ecdh_kdf_ukm(ctx, p2);
838 case EVP_PKEY_CTRL_EC_KDF_UKM:
839 return EVP_PKEY_CTX_set0_ecdh_kdf_ukm(ctx, p2, p1);
843 if (keytype == EVP_PKEY_RSA) {
845 case EVP_PKEY_CTRL_RSA_OAEP_MD:
846 return EVP_PKEY_CTX_set_rsa_oaep_md(ctx, p2);
847 case EVP_PKEY_CTRL_GET_RSA_OAEP_MD:
848 return EVP_PKEY_CTX_get_rsa_oaep_md(ctx, p2);
849 case EVP_PKEY_CTRL_RSA_MGF1_MD:
850 return EVP_PKEY_CTX_set_rsa_oaep_md(ctx, p2);
851 case EVP_PKEY_CTRL_RSA_OAEP_LABEL:
852 return EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, p2, p1);
853 case EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL:
854 return EVP_PKEY_CTX_get0_rsa_oaep_label(ctx, (unsigned char **)p2);
855 case EVP_PKEY_CTRL_RSA_KEYGEN_BITS:
856 return EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, p1);
857 case EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP:
858 return EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx, p2);
859 case EVP_PKEY_CTRL_RSA_KEYGEN_PRIMES:
860 return EVP_PKEY_CTX_set_rsa_keygen_primes(ctx, p1);
864 * keytype == -1 is used when several key types share the same structure,
865 * or for generic controls that are the same across multiple key types.
869 case EVP_PKEY_CTRL_MD:
870 return EVP_PKEY_CTX_set_signature_md(ctx, p2);
871 case EVP_PKEY_CTRL_GET_MD:
872 return EVP_PKEY_CTX_get_signature_md(ctx, p2);
873 case EVP_PKEY_CTRL_RSA_PADDING:
874 return EVP_PKEY_CTX_set_rsa_padding(ctx, p1);
875 case EVP_PKEY_CTRL_GET_RSA_PADDING:
876 return EVP_PKEY_CTX_get_rsa_padding(ctx, p2);
877 case EVP_PKEY_CTRL_GET_RSA_MGF1_MD:
878 return EVP_PKEY_CTX_get_rsa_oaep_md(ctx, p2);
879 case EVP_PKEY_CTRL_RSA_PSS_SALTLEN:
880 return EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, p1);
881 case EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN:
882 return EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx, p2);
883 case EVP_PKEY_CTRL_PKCS7_ENCRYPT:
884 case EVP_PKEY_CTRL_PKCS7_DECRYPT:
885 # ifndef OPENSSL_NO_CMS
886 case EVP_PKEY_CTRL_CMS_DECRYPT:
887 case EVP_PKEY_CTRL_CMS_ENCRYPT:
889 if (ctx->pmeth->pkey_id != EVP_PKEY_RSA_PSS)
891 ERR_raise(ERR_LIB_EVP,
892 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
899 int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
900 int cmd, int p1, void *p2)
905 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
909 if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx) && ctx->op.kex.exchprovctx != NULL)
910 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
911 && ctx->op.sig.sigprovctx != NULL)
912 || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
913 && ctx->op.ciph.ciphprovctx != NULL)
914 || (EVP_PKEY_CTX_IS_GEN_OP(ctx)
915 && ctx->op.keymgmt.genctx != NULL))
916 return legacy_ctrl_to_param(ctx, keytype, optype, cmd, p1, p2);
918 if (ctx->pmeth == NULL || ctx->pmeth->ctrl == NULL) {
919 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
922 if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
925 /* Skip the operation checks since this is called in a very early stage */
926 if (ctx->pmeth->digest_custom != NULL)
929 if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {
930 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET);
934 if ((optype != -1) && !(ctx->operation & optype)) {
935 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION);
940 ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
943 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
948 int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype,
949 int cmd, uint64_t value)
951 return EVP_PKEY_CTX_ctrl(ctx, keytype, optype, cmd, 0, &value);
954 static int legacy_ctrl_str_to_param(EVP_PKEY_CTX *ctx, const char *name,
957 if (strcmp(name, "rsa_padding_mode") == 0)
958 name = OSSL_ASYM_CIPHER_PARAM_PAD_MODE;
959 else if (strcmp(name, "rsa_mgf1_md") == 0)
960 name = OSSL_ASYM_CIPHER_PARAM_MGF1_DIGEST;
961 else if (strcmp(name, "rsa_oaep_md") == 0)
962 name = OSSL_ASYM_CIPHER_PARAM_OAEP_DIGEST;
963 else if (strcmp(name, "rsa_oaep_label") == 0)
964 name = OSSL_ASYM_CIPHER_PARAM_OAEP_LABEL;
965 else if (strcmp(name, "rsa_pss_saltlen") == 0)
966 name = OSSL_SIGNATURE_PARAM_PSS_SALTLEN;
967 else if (strcmp(name, "rsa_keygen_bits") == 0)
968 name = OSSL_PKEY_PARAM_RSA_BITS;
969 else if (strcmp(name, "rsa_keygen_pubexp") == 0)
970 name = OSSL_PKEY_PARAM_RSA_E;
971 else if (strcmp(name, "rsa_keygen_primes") == 0)
972 name = OSSL_PKEY_PARAM_RSA_PRIMES;
973 # ifndef OPENSSL_NO_DH
974 else if (strcmp(name, "dh_pad") == 0)
975 name = OSSL_EXCHANGE_PARAM_PAD;
977 # ifndef OPENSSL_NO_EC
978 else if (strcmp(name, "ecdh_cofactor_mode") == 0)
979 name = OSSL_EXCHANGE_PARAM_EC_ECDH_COFACTOR_MODE;
980 else if (strcmp(name, "ecdh_kdf_md") == 0)
981 name = OSSL_EXCHANGE_PARAM_KDF_DIGEST;
986 * TODO(3.0) reduce the code above to only translate known legacy
987 * string to the corresponding core name (see core_names.h), but
988 * otherwise leave it to this code block to do the actual work.
990 const OSSL_PARAM *settable = EVP_PKEY_CTX_settable_params(ctx);
991 OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
995 if (!OSSL_PARAM_allocate_from_text(¶ms[0], settable, name, value,
996 strlen(value), &exists)) {
998 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
1003 if (EVP_PKEY_CTX_set_params(ctx, params))
1005 OPENSSL_free(params[0].data);
1010 int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
1011 const char *name, const char *value)
1014 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
1018 if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx) && ctx->op.kex.exchprovctx != NULL)
1019 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
1020 && ctx->op.sig.sigprovctx != NULL)
1021 || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
1022 && ctx->op.ciph.ciphprovctx != NULL)
1023 || (EVP_PKEY_CTX_IS_GEN_OP(ctx)
1024 && ctx->op.keymgmt.genctx != NULL))
1025 return legacy_ctrl_str_to_param(ctx, name, value);
1027 if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str) {
1028 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
1031 if (strcmp(name, "digest") == 0)
1032 return EVP_PKEY_CTX_md(ctx, EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD,
1034 return ctx->pmeth->ctrl_str(ctx, name, value);
1037 /* Utility functions to send a string of hex string to a ctrl */
1039 int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str)
1046 return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str);
1049 int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex)
1055 bin = OPENSSL_hexstr2buf(hex, &binlen);
1058 if (binlen <= INT_MAX)
1059 rv = ctx->pmeth->ctrl(ctx, cmd, binlen, bin);
1064 /* Pass a message digest to a ctrl */
1065 int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md)
1069 if (md == NULL || (m = EVP_get_digestbyname(md)) == NULL) {
1070 EVPerr(EVP_F_EVP_PKEY_CTX_MD, EVP_R_INVALID_DIGEST);
1073 return EVP_PKEY_CTX_ctrl(ctx, -1, optype, cmd, 0, (void *)m);
1076 int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx)
1078 return ctx->operation;
1081 void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen)
1083 ctx->keygen_info = dat;
1084 ctx->keygen_info_count = datlen;
1087 void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data)
1092 void *EVP_PKEY_CTX_get_data(const EVP_PKEY_CTX *ctx)
1097 EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx)
1102 EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx)
1104 return ctx->peerkey;
1107 void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data)
1109 ctx->app_data = data;
1112 void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx)
1114 return ctx->app_data;
1117 void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
1118 int (*init) (EVP_PKEY_CTX *ctx))
1123 void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
1124 int (*copy) (EVP_PKEY_CTX *dst,
1125 const EVP_PKEY_CTX *src))
1130 void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
1131 void (*cleanup) (EVP_PKEY_CTX *ctx))
1133 pmeth->cleanup = cleanup;
1136 void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
1137 int (*paramgen_init) (EVP_PKEY_CTX *ctx),
1138 int (*paramgen) (EVP_PKEY_CTX *ctx,
1141 pmeth->paramgen_init = paramgen_init;
1142 pmeth->paramgen = paramgen;
1145 void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
1146 int (*keygen_init) (EVP_PKEY_CTX *ctx),
1147 int (*keygen) (EVP_PKEY_CTX *ctx,
1150 pmeth->keygen_init = keygen_init;
1151 pmeth->keygen = keygen;
1154 void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
1155 int (*sign_init) (EVP_PKEY_CTX *ctx),
1156 int (*sign) (EVP_PKEY_CTX *ctx,
1157 unsigned char *sig, size_t *siglen,
1158 const unsigned char *tbs,
1161 pmeth->sign_init = sign_init;
1165 void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
1166 int (*verify_init) (EVP_PKEY_CTX *ctx),
1167 int (*verify) (EVP_PKEY_CTX *ctx,
1168 const unsigned char *sig,
1170 const unsigned char *tbs,
1173 pmeth->verify_init = verify_init;
1174 pmeth->verify = verify;
1177 void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
1178 int (*verify_recover_init) (EVP_PKEY_CTX
1180 int (*verify_recover) (EVP_PKEY_CTX
1189 pmeth->verify_recover_init = verify_recover_init;
1190 pmeth->verify_recover = verify_recover;
1193 void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
1194 int (*signctx_init) (EVP_PKEY_CTX *ctx,
1196 int (*signctx) (EVP_PKEY_CTX *ctx,
1201 pmeth->signctx_init = signctx_init;
1202 pmeth->signctx = signctx;
1205 void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
1206 int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
1208 int (*verifyctx) (EVP_PKEY_CTX *ctx,
1209 const unsigned char *sig,
1213 pmeth->verifyctx_init = verifyctx_init;
1214 pmeth->verifyctx = verifyctx;
1217 void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
1218 int (*encrypt_init) (EVP_PKEY_CTX *ctx),
1219 int (*encryptfn) (EVP_PKEY_CTX *ctx,
1222 const unsigned char *in,
1225 pmeth->encrypt_init = encrypt_init;
1226 pmeth->encrypt = encryptfn;
1229 void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
1230 int (*decrypt_init) (EVP_PKEY_CTX *ctx),
1231 int (*decrypt) (EVP_PKEY_CTX *ctx,
1234 const unsigned char *in,
1237 pmeth->decrypt_init = decrypt_init;
1238 pmeth->decrypt = decrypt;
1241 void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
1242 int (*derive_init) (EVP_PKEY_CTX *ctx),
1243 int (*derive) (EVP_PKEY_CTX *ctx,
1247 pmeth->derive_init = derive_init;
1248 pmeth->derive = derive;
1251 void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
1252 int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
1254 int (*ctrl_str) (EVP_PKEY_CTX *ctx,
1259 pmeth->ctrl_str = ctrl_str;
1262 void EVP_PKEY_meth_set_digestsign(EVP_PKEY_METHOD *pmeth,
1263 int (*digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
1264 const unsigned char *tbs, size_t tbslen))
1266 pmeth->digestsign = digestsign;
1269 void EVP_PKEY_meth_set_digestverify(EVP_PKEY_METHOD *pmeth,
1270 int (*digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
1271 size_t siglen, const unsigned char *tbs,
1274 pmeth->digestverify = digestverify;
1277 void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth,
1278 int (*check) (EVP_PKEY *pkey))
1280 pmeth->check = check;
1283 void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD *pmeth,
1284 int (*check) (EVP_PKEY *pkey))
1286 pmeth->public_check = check;
1289 void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD *pmeth,
1290 int (*check) (EVP_PKEY *pkey))
1292 pmeth->param_check = check;
1295 void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD *pmeth,
1296 int (*digest_custom) (EVP_PKEY_CTX *ctx,
1299 pmeth->digest_custom = digest_custom;
1302 void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD *pmeth,
1303 int (**pinit) (EVP_PKEY_CTX *ctx))
1305 *pinit = pmeth->init;
1308 void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD *pmeth,
1309 int (**pcopy) (EVP_PKEY_CTX *dst,
1310 const EVP_PKEY_CTX *src))
1312 *pcopy = pmeth->copy;
1315 void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD *pmeth,
1316 void (**pcleanup) (EVP_PKEY_CTX *ctx))
1318 *pcleanup = pmeth->cleanup;
1321 void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD *pmeth,
1322 int (**pparamgen_init) (EVP_PKEY_CTX *ctx),
1323 int (**pparamgen) (EVP_PKEY_CTX *ctx,
1327 *pparamgen_init = pmeth->paramgen_init;
1329 *pparamgen = pmeth->paramgen;
1332 void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD *pmeth,
1333 int (**pkeygen_init) (EVP_PKEY_CTX *ctx),
1334 int (**pkeygen) (EVP_PKEY_CTX *ctx,
1338 *pkeygen_init = pmeth->keygen_init;
1340 *pkeygen = pmeth->keygen;
1343 void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD *pmeth,
1344 int (**psign_init) (EVP_PKEY_CTX *ctx),
1345 int (**psign) (EVP_PKEY_CTX *ctx,
1346 unsigned char *sig, size_t *siglen,
1347 const unsigned char *tbs,
1351 *psign_init = pmeth->sign_init;
1353 *psign = pmeth->sign;
1356 void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD *pmeth,
1357 int (**pverify_init) (EVP_PKEY_CTX *ctx),
1358 int (**pverify) (EVP_PKEY_CTX *ctx,
1359 const unsigned char *sig,
1361 const unsigned char *tbs,
1365 *pverify_init = pmeth->verify_init;
1367 *pverify = pmeth->verify;
1370 void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD *pmeth,
1371 int (**pverify_recover_init) (EVP_PKEY_CTX
1373 int (**pverify_recover) (EVP_PKEY_CTX
1382 if (pverify_recover_init)
1383 *pverify_recover_init = pmeth->verify_recover_init;
1384 if (pverify_recover)
1385 *pverify_recover = pmeth->verify_recover;
1388 void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD *pmeth,
1389 int (**psignctx_init) (EVP_PKEY_CTX *ctx,
1391 int (**psignctx) (EVP_PKEY_CTX *ctx,
1397 *psignctx_init = pmeth->signctx_init;
1399 *psignctx = pmeth->signctx;
1402 void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD *pmeth,
1403 int (**pverifyctx_init) (EVP_PKEY_CTX *ctx,
1405 int (**pverifyctx) (EVP_PKEY_CTX *ctx,
1406 const unsigned char *sig,
1410 if (pverifyctx_init)
1411 *pverifyctx_init = pmeth->verifyctx_init;
1413 *pverifyctx = pmeth->verifyctx;
1416 void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD *pmeth,
1417 int (**pencrypt_init) (EVP_PKEY_CTX *ctx),
1418 int (**pencryptfn) (EVP_PKEY_CTX *ctx,
1421 const unsigned char *in,
1425 *pencrypt_init = pmeth->encrypt_init;
1427 *pencryptfn = pmeth->encrypt;
1430 void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD *pmeth,
1431 int (**pdecrypt_init) (EVP_PKEY_CTX *ctx),
1432 int (**pdecrypt) (EVP_PKEY_CTX *ctx,
1435 const unsigned char *in,
1439 *pdecrypt_init = pmeth->decrypt_init;
1441 *pdecrypt = pmeth->decrypt;
1444 void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD *pmeth,
1445 int (**pderive_init) (EVP_PKEY_CTX *ctx),
1446 int (**pderive) (EVP_PKEY_CTX *ctx,
1451 *pderive_init = pmeth->derive_init;
1453 *pderive = pmeth->derive;
1456 void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD *pmeth,
1457 int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
1459 int (**pctrl_str) (EVP_PKEY_CTX *ctx,
1464 *pctrl = pmeth->ctrl;
1466 *pctrl_str = pmeth->ctrl_str;
1469 void EVP_PKEY_meth_get_digestsign(EVP_PKEY_METHOD *pmeth,
1470 int (**digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
1471 const unsigned char *tbs, size_t tbslen))
1474 *digestsign = pmeth->digestsign;
1477 void EVP_PKEY_meth_get_digestverify(EVP_PKEY_METHOD *pmeth,
1478 int (**digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
1479 size_t siglen, const unsigned char *tbs,
1483 *digestverify = pmeth->digestverify;
1486 void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD *pmeth,
1487 int (**pcheck) (EVP_PKEY *pkey))
1490 *pcheck = pmeth->check;
1493 void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD *pmeth,
1494 int (**pcheck) (EVP_PKEY *pkey))
1497 *pcheck = pmeth->public_check;
1500 void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD *pmeth,
1501 int (**pcheck) (EVP_PKEY *pkey))
1504 *pcheck = pmeth->param_check;
1507 void EVP_PKEY_meth_get_digest_custom(EVP_PKEY_METHOD *pmeth,
1508 int (**pdigest_custom) (EVP_PKEY_CTX *ctx,
1511 if (pdigest_custom != NULL)
1512 *pdigest_custom = pmeth->digest_custom;
1515 #endif /* FIPS_MODE */