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 *name, const char *propquery,
146 const EVP_PKEY_METHOD *pmeth = NULL;
149 * When using providers, the context is bound to the algo implementation
152 if (pkey == NULL && e == NULL && id == -1)
156 * If the key doesn't contain anything legacy, then it must be provided,
157 * so we extract the necessary information and use that.
159 if (pkey != NULL && pkey->ameth == NULL) {
160 /* If we have an engine, something went wrong somewhere... */
161 if (!ossl_assert(e == NULL))
163 name = evp_first_name(pkey->keymgmt->prov, pkey->keymgmt->name_id);
165 * TODO: I wonder if the EVP_PKEY should have the name and propquery
166 * that were used when building it.... /RL
171 /* TODO(3.0) Legacy code should be removed when all is provider based */
180 * Here, we extract what information we can for the purpose of
181 * supporting usage with implementations from providers, to make
182 * for a smooth transition from legacy stuff to provider based stuff.
184 * If an engine is given, this is entirely legacy, and we should not
185 * pretend anything else, so we only set the name when no engine is
186 * given. If both are already given, someone made a mistake, and
187 * since that can only happen internally, it's safe to make an
190 if (!ossl_assert(e == NULL || name == NULL))
193 name = OBJ_nid2sn(id);
195 # ifndef OPENSSL_NO_ENGINE
196 if (e == NULL && pkey != NULL)
197 e = pkey->pmeth_engine != NULL ? pkey->pmeth_engine : pkey->engine;
198 /* Try to find an ENGINE which implements this method */
200 if (!ENGINE_init(e)) {
201 EVPerr(EVP_F_INT_CTX_NEW, ERR_R_ENGINE_LIB);
205 e = ENGINE_get_pkey_meth_engine(id);
209 * If an ENGINE handled this method look it up. Otherwise use internal
213 pmeth = ENGINE_get_pkey_meth(e, id);
216 pmeth = EVP_PKEY_meth_find(id);
219 # ifndef OPENSSL_NO_ENGINE
222 EVPerr(EVP_F_INT_CTX_NEW, EVP_R_UNSUPPORTED_ALGORITHM);
226 #endif /* FIPS_MODE */
228 ret = OPENSSL_zalloc(sizeof(*ret));
230 #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODE)
233 EVPerr(EVP_F_INT_CTX_NEW, ERR_R_MALLOC_FAILURE);
236 ret->libctx = libctx;
238 ret->propquery = propquery;
241 ret->operation = EVP_PKEY_OP_UNDEFINED;
244 EVP_PKEY_up_ref(pkey);
246 if (pmeth != NULL && pmeth->init != NULL) {
247 if (pmeth->init(ret) <= 0) {
249 EVP_PKEY_CTX_free(ret);
257 /*- All methods below can also be used in FIPS_MODE */
259 EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_name(OPENSSL_CTX *libctx,
261 const char *propquery)
263 return int_ctx_new(libctx, NULL, NULL, name, propquery, -1);
266 EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_pkey(OPENSSL_CTX *libctx, EVP_PKEY *pkey,
267 const char *propquery)
269 return int_ctx_new(libctx, pkey, NULL, NULL, propquery, -1);
272 void evp_pkey_ctx_free_old_ops(EVP_PKEY_CTX *ctx)
274 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
275 if (ctx->op.sig.sigprovctx != NULL && ctx->op.sig.signature != NULL)
276 ctx->op.sig.signature->freectx(ctx->op.sig.sigprovctx);
277 EVP_SIGNATURE_free(ctx->op.sig.signature);
278 ctx->op.sig.sigprovctx = NULL;
279 ctx->op.sig.signature = NULL;
280 } else if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
281 if (ctx->op.kex.exchprovctx != NULL && ctx->op.kex.exchange != NULL)
282 ctx->op.kex.exchange->freectx(ctx->op.kex.exchprovctx);
283 EVP_KEYEXCH_free(ctx->op.kex.exchange);
284 ctx->op.kex.exchprovctx = NULL;
285 ctx->op.kex.exchange = NULL;
287 /* TODO(3.0): add dependancies and uncomment this when available for fips mode */
289 else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)) {
290 if (ctx->op.ciph.ciphprovctx != NULL && ctx->op.ciph.cipher != NULL)
291 ctx->op.ciph.cipher->freectx(ctx->op.ciph.ciphprovctx);
292 EVP_ASYM_CIPHER_free(ctx->op.ciph.cipher);
293 ctx->op.ciph.ciphprovctx = NULL;
294 ctx->op.ciph.cipher = NULL;
299 void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
303 if (ctx->pmeth && ctx->pmeth->cleanup)
304 ctx->pmeth->cleanup(ctx);
306 evp_pkey_ctx_free_old_ops(ctx);
307 EVP_KEYMGMT_free(ctx->keymgmt);
309 EVP_PKEY_free(ctx->pkey);
310 EVP_PKEY_free(ctx->peerkey);
311 #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODE)
312 ENGINE_finish(ctx->engine);
319 void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
320 const EVP_PKEY_METHOD *meth)
323 *ppkey_id = meth->pkey_id;
325 *pflags = meth->flags;
328 void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src)
331 dst->init = src->init;
332 dst->copy = src->copy;
333 dst->cleanup = src->cleanup;
335 dst->paramgen_init = src->paramgen_init;
336 dst->paramgen = src->paramgen;
338 dst->keygen_init = src->keygen_init;
339 dst->keygen = src->keygen;
341 dst->sign_init = src->sign_init;
342 dst->sign = src->sign;
344 dst->verify_init = src->verify_init;
345 dst->verify = src->verify;
347 dst->verify_recover_init = src->verify_recover_init;
348 dst->verify_recover = src->verify_recover;
350 dst->signctx_init = src->signctx_init;
351 dst->signctx = src->signctx;
353 dst->verifyctx_init = src->verifyctx_init;
354 dst->verifyctx = src->verifyctx;
356 dst->encrypt_init = src->encrypt_init;
357 dst->encrypt = src->encrypt;
359 dst->decrypt_init = src->decrypt_init;
360 dst->decrypt = src->decrypt;
362 dst->derive_init = src->derive_init;
363 dst->derive = src->derive;
365 dst->ctrl = src->ctrl;
366 dst->ctrl_str = src->ctrl_str;
368 dst->check = src->check;
371 void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth)
373 if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC))
377 EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e)
379 return int_ctx_new(NULL, pkey, e, NULL, NULL, -1);
382 EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e)
384 return int_ctx_new(NULL, NULL, e, NULL, NULL, id);
387 EVP_PKEY_CTX *EVP_PKEY_CTX_dup(const EVP_PKEY_CTX *pctx)
391 if (((pctx->pmeth == NULL) || (pctx->pmeth->copy == NULL))
392 && ((EVP_PKEY_CTX_IS_DERIVE_OP(pctx)
393 && pctx->op.kex.exchprovctx == NULL)
394 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx)
395 && pctx->op.sig.sigprovctx == NULL)))
397 # ifndef OPENSSL_NO_ENGINE
398 /* Make sure it's safe to copy a pkey context using an ENGINE */
399 if (pctx->engine && !ENGINE_init(pctx->engine)) {
400 EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_ENGINE_LIB);
404 rctx = OPENSSL_zalloc(sizeof(*rctx));
406 EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_MALLOC_FAILURE);
410 if (pctx->pkey != NULL)
411 EVP_PKEY_up_ref(pctx->pkey);
412 rctx->pkey = pctx->pkey;
413 rctx->operation = pctx->operation;
414 rctx->libctx = pctx->libctx;
415 rctx->keytype = pctx->keytype;
416 rctx->propquery = pctx->propquery;
418 if (EVP_PKEY_CTX_IS_DERIVE_OP(pctx)) {
419 if (pctx->op.kex.exchange != NULL) {
420 rctx->op.kex.exchange = pctx->op.kex.exchange;
421 if (!EVP_KEYEXCH_up_ref(rctx->op.kex.exchange)) {
426 if (pctx->op.kex.exchprovctx != NULL) {
427 if (!ossl_assert(pctx->op.kex.exchange != NULL))
429 rctx->op.kex.exchprovctx
430 = pctx->op.kex.exchange->dupctx(pctx->op.kex.exchprovctx);
431 if (rctx->op.kex.exchprovctx == NULL) {
432 EVP_KEYEXCH_free(rctx->op.kex.exchange);
438 } else if (EVP_PKEY_CTX_IS_SIGNATURE_OP(pctx)) {
439 if (pctx->op.sig.signature != NULL) {
440 rctx->op.sig.signature = pctx->op.sig.signature;
441 if (!EVP_SIGNATURE_up_ref(rctx->op.sig.signature)) {
446 if (pctx->op.sig.sigprovctx != NULL) {
447 if (!ossl_assert(pctx->op.sig.signature != NULL))
449 rctx->op.sig.sigprovctx
450 = pctx->op.sig.signature->dupctx(pctx->op.sig.sigprovctx);
451 if (rctx->op.sig.sigprovctx == NULL) {
452 EVP_SIGNATURE_free(rctx->op.sig.signature);
458 } else if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(pctx)) {
459 if (pctx->op.ciph.cipher != NULL) {
460 rctx->op.ciph.cipher = pctx->op.ciph.cipher;
461 if (!EVP_ASYM_CIPHER_up_ref(rctx->op.ciph.cipher)) {
466 if (pctx->op.ciph.ciphprovctx != NULL) {
467 if (!ossl_assert(pctx->op.ciph.cipher != NULL))
469 rctx->op.ciph.ciphprovctx
470 = pctx->op.ciph.cipher->dupctx(pctx->op.ciph.ciphprovctx);
471 if (rctx->op.ciph.ciphprovctx == NULL) {
472 EVP_ASYM_CIPHER_free(rctx->op.ciph.cipher);
480 rctx->pmeth = pctx->pmeth;
481 # ifndef OPENSSL_NO_ENGINE
482 rctx->engine = pctx->engine;
486 EVP_PKEY_up_ref(pctx->peerkey);
487 rctx->peerkey = pctx->peerkey;
489 if (pctx->pmeth->copy(rctx, pctx) > 0)
493 EVP_PKEY_CTX_free(rctx);
498 int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth)
500 if (app_pkey_methods == NULL) {
501 app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp);
502 if (app_pkey_methods == NULL){
503 EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE);
507 if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth)) {
508 EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE);
511 sk_EVP_PKEY_METHOD_sort(app_pkey_methods);
515 void evp_app_cleanup_int(void)
517 if (app_pkey_methods != NULL)
518 sk_EVP_PKEY_METHOD_pop_free(app_pkey_methods, EVP_PKEY_meth_free);
521 int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD *pmeth)
523 const EVP_PKEY_METHOD *ret;
525 ret = sk_EVP_PKEY_METHOD_delete_ptr(app_pkey_methods, pmeth);
527 return ret == NULL ? 0 : 1;
530 size_t EVP_PKEY_meth_get_count(void)
532 size_t rv = OSSL_NELEM(standard_methods);
534 if (app_pkey_methods)
535 rv += sk_EVP_PKEY_METHOD_num(app_pkey_methods);
539 const EVP_PKEY_METHOD *EVP_PKEY_meth_get0(size_t idx)
541 if (idx < OSSL_NELEM(standard_methods))
542 return (standard_methods[idx])();
543 if (app_pkey_methods == NULL)
545 idx -= OSSL_NELEM(standard_methods);
546 if (idx >= (size_t)sk_EVP_PKEY_METHOD_num(app_pkey_methods))
548 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
552 int EVP_PKEY_CTX_set_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
554 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
555 && ctx->op.kex.exchprovctx != NULL
556 && ctx->op.kex.exchange != NULL
557 && ctx->op.kex.exchange->set_ctx_params != NULL)
558 return ctx->op.kex.exchange->set_ctx_params(ctx->op.kex.exchprovctx,
560 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
561 && ctx->op.sig.sigprovctx != NULL
562 && ctx->op.sig.signature != NULL
563 && ctx->op.sig.signature->set_ctx_params != NULL)
564 return ctx->op.sig.signature->set_ctx_params(ctx->op.sig.sigprovctx,
566 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
567 && ctx->op.ciph.ciphprovctx != NULL
568 && ctx->op.ciph.cipher != NULL
569 && ctx->op.ciph.cipher->set_ctx_params != NULL)
570 return ctx->op.ciph.cipher->set_ctx_params(ctx->op.ciph.ciphprovctx,
576 int EVP_PKEY_CTX_get_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
578 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
579 && ctx->op.kex.exchprovctx != NULL
580 && ctx->op.kex.exchange != NULL
581 && ctx->op.kex.exchange->get_ctx_params != NULL)
582 return ctx->op.kex.exchange->get_ctx_params(ctx->op.kex.exchprovctx,
584 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
585 && ctx->op.sig.sigprovctx != NULL
586 && ctx->op.sig.signature != NULL
587 && ctx->op.sig.signature->get_ctx_params != NULL)
588 return ctx->op.sig.signature->get_ctx_params(ctx->op.sig.sigprovctx,
590 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
591 && ctx->op.ciph.ciphprovctx != NULL
592 && ctx->op.ciph.cipher != NULL
593 && ctx->op.ciph.cipher->get_ctx_params != NULL)
594 return ctx->op.ciph.cipher->get_ctx_params(ctx->op.ciph.ciphprovctx,
599 const OSSL_PARAM *EVP_PKEY_CTX_gettable_params(EVP_PKEY_CTX *ctx)
601 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
602 && ctx->op.kex.exchange != NULL
603 && ctx->op.kex.exchange->gettable_ctx_params != NULL)
604 return ctx->op.kex.exchange->gettable_ctx_params();
605 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
606 && ctx->op.sig.signature != NULL
607 && ctx->op.sig.signature->gettable_ctx_params != NULL)
608 return ctx->op.sig.signature->gettable_ctx_params();
610 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
611 && ctx->op.ciph.cipher != NULL
612 && ctx->op.ciph.cipher->gettable_ctx_params != NULL)
613 return ctx->op.ciph.cipher->gettable_ctx_params();
618 const OSSL_PARAM *EVP_PKEY_CTX_settable_params(EVP_PKEY_CTX *ctx)
620 if (EVP_PKEY_CTX_IS_DERIVE_OP(ctx)
621 && ctx->op.kex.exchange != NULL
622 && ctx->op.kex.exchange->settable_ctx_params != NULL)
623 return ctx->op.kex.exchange->settable_ctx_params();
624 if (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
625 && ctx->op.sig.signature != NULL
626 && ctx->op.sig.signature->settable_ctx_params != NULL)
627 return ctx->op.sig.signature->settable_ctx_params();
628 if (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
629 && ctx->op.ciph.cipher != NULL
630 && ctx->op.ciph.cipher->settable_ctx_params != NULL)
631 return ctx->op.ciph.cipher->settable_ctx_params();
637 * Internal helpers for stricter EVP_PKEY_CTX_{set,get}_params().
639 * Return 1 on success, 0 or negative for errors.
641 * In particular they return -2 if any of the params is not supported.
643 * They are not available in FIPS_MODE as they depend on
644 * - EVP_PKEY_CTX_{get,set}_params()
645 * - EVP_PKEY_CTX_{gettable,settable}_params()
648 int evp_pkey_ctx_set_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
652 if (ctx == NULL || params == NULL)
655 for (p = params; p->key != NULL; p++) {
656 /* Check the ctx actually understands this parameter */
657 if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_settable_params(ctx),
662 return EVP_PKEY_CTX_set_params(ctx, params);
665 int evp_pkey_ctx_get_params_strict(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
669 if (ctx == NULL || params == NULL)
672 for (p = params; p->key != NULL; p++ ) {
673 /* Check the ctx actually understands this parameter */
674 if (OSSL_PARAM_locate_const(EVP_PKEY_CTX_gettable_params(ctx),
679 return EVP_PKEY_CTX_get_params(ctx, params);
682 # ifndef OPENSSL_NO_DH
683 int EVP_PKEY_CTX_set_dh_pad(EVP_PKEY_CTX *ctx, int pad)
685 OSSL_PARAM dh_pad_params[2];
686 unsigned int upad = pad;
688 /* We use EVP_PKEY_CTX_ctrl return values */
689 if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
690 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
694 /* TODO(3.0): Remove this eventually when no more legacy */
695 if (ctx->op.kex.exchprovctx == NULL)
696 return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_DERIVE,
697 EVP_PKEY_CTRL_DH_PAD, pad, NULL);
699 dh_pad_params[0] = OSSL_PARAM_construct_uint(OSSL_EXCHANGE_PARAM_PAD, &upad);
700 dh_pad_params[1] = OSSL_PARAM_construct_end();
702 return EVP_PKEY_CTX_set_params(ctx, dh_pad_params);
706 int EVP_PKEY_CTX_get_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD **md)
708 OSSL_PARAM sig_md_params[3], *p = sig_md_params;
709 /* 80 should be big enough */
713 if (ctx == NULL || !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
714 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
715 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
719 /* TODO(3.0): Remove this eventually when no more legacy */
720 if (ctx->op.sig.sigprovctx == NULL)
721 return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,
722 EVP_PKEY_CTRL_GET_MD, 0, (void *)(md));
724 *p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST,
727 *p++ = OSSL_PARAM_construct_end();
729 if (!EVP_PKEY_CTX_get_params(ctx, sig_md_params))
732 tmp = evp_get_digestbyname_ex(ctx->libctx, name);
741 int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
743 OSSL_PARAM sig_md_params[2], *p = sig_md_params;
746 if (ctx == NULL || !EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)) {
747 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
748 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
752 /* TODO(3.0): Remove this eventually when no more legacy */
753 if (ctx->op.sig.sigprovctx == NULL)
754 return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,
755 EVP_PKEY_CTRL_MD, 0, (void *)(md));
760 name = EVP_MD_name(md);
763 *p++ = OSSL_PARAM_construct_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST,
765 * Cast away the const. This is read
766 * only so should be safe
769 *p++ = OSSL_PARAM_construct_end();
771 return EVP_PKEY_CTX_set_params(ctx, sig_md_params);
774 static int legacy_ctrl_to_param(EVP_PKEY_CTX *ctx, int keytype, int optype,
775 int cmd, int p1, void *p2)
778 * GOST CMS format is different for different cipher algorithms.
779 * Most of other algorithms don't have such a difference
780 * so this ctrl is just ignored.
782 if (cmd == EVP_PKEY_CTRL_CIPHER)
784 # ifndef OPENSSL_NO_DH
785 if (keytype == EVP_PKEY_DH) {
787 case EVP_PKEY_CTRL_DH_PAD:
788 return EVP_PKEY_CTX_set_dh_pad(ctx, p1);
792 # ifndef OPENSSL_NO_EC
793 if (keytype == EVP_PKEY_EC) {
795 case EVP_PKEY_CTRL_EC_ECDH_COFACTOR:
797 return EVP_PKEY_CTX_get_ecdh_cofactor_mode(ctx);
798 } else if (p1 < -1 || p1 > 1) {
799 /* Uses the same return values as EVP_PKEY_CTX_ctrl */
802 return EVP_PKEY_CTX_set_ecdh_cofactor_mode(ctx, p1);
804 case EVP_PKEY_CTRL_EC_KDF_TYPE:
806 return EVP_PKEY_CTX_get_ecdh_kdf_type(ctx);
808 return EVP_PKEY_CTX_set_ecdh_kdf_type(ctx, p1);
810 case EVP_PKEY_CTRL_GET_EC_KDF_MD:
811 return EVP_PKEY_CTX_get_ecdh_kdf_md(ctx, p2);
812 case EVP_PKEY_CTRL_EC_KDF_MD:
813 return EVP_PKEY_CTX_set_ecdh_kdf_md(ctx, p2);
814 case EVP_PKEY_CTRL_GET_EC_KDF_OUTLEN:
815 return EVP_PKEY_CTX_get_ecdh_kdf_outlen(ctx, p2);
816 case EVP_PKEY_CTRL_EC_KDF_OUTLEN:
817 return EVP_PKEY_CTX_set_ecdh_kdf_outlen(ctx, p1);
818 case EVP_PKEY_CTRL_GET_EC_KDF_UKM:
819 return EVP_PKEY_CTX_get0_ecdh_kdf_ukm(ctx, p2);
820 case EVP_PKEY_CTRL_EC_KDF_UKM:
821 return EVP_PKEY_CTX_set0_ecdh_kdf_ukm(ctx, p2, p1);
827 case EVP_PKEY_CTRL_MD:
828 return EVP_PKEY_CTX_set_signature_md(ctx, p2);
829 case EVP_PKEY_CTRL_GET_MD:
830 return EVP_PKEY_CTX_get_signature_md(ctx, p2);
831 case EVP_PKEY_CTRL_RSA_PADDING:
832 return EVP_PKEY_CTX_set_rsa_padding(ctx, p1);
833 case EVP_PKEY_CTRL_GET_RSA_PADDING:
834 return EVP_PKEY_CTX_get_rsa_padding(ctx, p2);
835 case EVP_PKEY_CTRL_RSA_OAEP_MD:
836 return EVP_PKEY_CTX_set_rsa_oaep_md(ctx, p2);
837 case EVP_PKEY_CTRL_GET_RSA_OAEP_MD:
838 return EVP_PKEY_CTX_get_rsa_oaep_md(ctx, p2);
839 case EVP_PKEY_CTRL_RSA_MGF1_MD:
840 return EVP_PKEY_CTX_set_rsa_oaep_md(ctx, p2);
841 case EVP_PKEY_CTRL_GET_RSA_MGF1_MD:
842 return EVP_PKEY_CTX_get_rsa_oaep_md(ctx, p2);
843 case EVP_PKEY_CTRL_RSA_OAEP_LABEL:
844 return EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, p2, p1);
845 case EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL:
846 return EVP_PKEY_CTX_get0_rsa_oaep_label(ctx, (unsigned char **)p2);
847 case EVP_PKEY_CTRL_RSA_PSS_SALTLEN:
848 return EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, p1);
849 case EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN:
850 return EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx, p2);
851 case EVP_PKEY_CTRL_PKCS7_ENCRYPT:
852 case EVP_PKEY_CTRL_PKCS7_DECRYPT:
853 # ifndef OPENSSL_NO_CMS
854 case EVP_PKEY_CTRL_CMS_DECRYPT:
855 case EVP_PKEY_CTRL_CMS_ENCRYPT:
857 if (ctx->pmeth->pkey_id != EVP_PKEY_RSA_PSS)
859 ERR_raise(ERR_LIB_EVP,
860 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
867 int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
868 int cmd, int p1, void *p2)
873 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
877 if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx) && ctx->op.kex.exchprovctx != NULL)
878 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
879 && ctx->op.sig.sigprovctx != NULL)
880 || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
881 && ctx->op.ciph.ciphprovctx != NULL))
882 return legacy_ctrl_to_param(ctx, keytype, optype, cmd, p1, p2);
884 if (ctx->pmeth == NULL || ctx->pmeth->ctrl == NULL) {
885 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
888 if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
891 /* Skip the operation checks since this is called in a very early stage */
892 if (ctx->pmeth->digest_custom != NULL)
895 if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {
896 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET);
900 if ((optype != -1) && !(ctx->operation & optype)) {
901 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION);
906 ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
909 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
914 int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype,
915 int cmd, uint64_t value)
917 return EVP_PKEY_CTX_ctrl(ctx, keytype, optype, cmd, 0, &value);
920 static int legacy_ctrl_str_to_param(EVP_PKEY_CTX *ctx, const char *name,
923 if (strcmp(name, "rsa_padding_mode") == 0)
924 name = OSSL_ASYM_CIPHER_PARAM_PAD_MODE;
925 else if (strcmp(name, "rsa_mgf1_md") == 0)
926 name = OSSL_ASYM_CIPHER_PARAM_MGF1_DIGEST;
927 else if (strcmp(name, "rsa_oaep_md") == 0)
928 name = OSSL_ASYM_CIPHER_PARAM_OAEP_DIGEST;
929 else if (strcmp(name, "rsa_oaep_label") == 0)
930 name = OSSL_ASYM_CIPHER_PARAM_OAEP_LABEL;
931 else if (strcmp(name, "rsa_pss_saltlen") == 0)
932 name = OSSL_SIGNATURE_PARAM_PSS_SALTLEN;
933 # ifndef OPENSSL_NO_DH
934 else if (strcmp(name, "dh_pad") == 0)
935 name = OSSL_EXCHANGE_PARAM_PAD;
937 # ifndef OPENSSL_NO_EC
938 else if (strcmp(name, "ecdh_cofactor_mode") == 0)
939 name = OSSL_EXCHANGE_PARAM_EC_ECDH_COFACTOR_MODE;
940 else if (strcmp(name, "ecdh_kdf_md") == 0)
941 name = OSSL_EXCHANGE_PARAM_KDF_TYPE;
946 * TODO(3.0) reduce the code above to only translate known legacy
947 * string to the corresponding core name (see core_names.h), but
948 * otherwise leave it to this code block to do the actual work.
950 const OSSL_PARAM *settable = EVP_PKEY_CTX_settable_params(ctx);
951 OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
955 if (!OSSL_PARAM_allocate_from_text(¶ms[0], settable, name, value,
956 strlen(value), &exists)) {
958 ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
963 if (EVP_PKEY_CTX_set_params(ctx, params))
965 OPENSSL_free(params[0].data);
970 int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
971 const char *name, const char *value)
974 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
978 if ((EVP_PKEY_CTX_IS_DERIVE_OP(ctx) && ctx->op.kex.exchprovctx != NULL)
979 || (EVP_PKEY_CTX_IS_SIGNATURE_OP(ctx)
980 && ctx->op.sig.sigprovctx != NULL)
981 || (EVP_PKEY_CTX_IS_ASYM_CIPHER_OP(ctx)
982 && ctx->op.ciph.ciphprovctx != NULL))
983 return legacy_ctrl_str_to_param(ctx, name, value);
985 if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str) {
986 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
989 if (strcmp(name, "digest") == 0)
990 return EVP_PKEY_CTX_md(ctx, EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD,
992 return ctx->pmeth->ctrl_str(ctx, name, value);
995 /* Utility functions to send a string of hex string to a ctrl */
997 int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str)
1004 return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str);
1007 int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex)
1013 bin = OPENSSL_hexstr2buf(hex, &binlen);
1016 if (binlen <= INT_MAX)
1017 rv = ctx->pmeth->ctrl(ctx, cmd, binlen, bin);
1022 /* Pass a message digest to a ctrl */
1023 int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md)
1027 if (md == NULL || (m = EVP_get_digestbyname(md)) == NULL) {
1028 EVPerr(EVP_F_EVP_PKEY_CTX_MD, EVP_R_INVALID_DIGEST);
1031 return EVP_PKEY_CTX_ctrl(ctx, -1, optype, cmd, 0, (void *)m);
1034 int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx)
1036 return ctx->operation;
1039 void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen)
1041 ctx->keygen_info = dat;
1042 ctx->keygen_info_count = datlen;
1045 void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data)
1050 void *EVP_PKEY_CTX_get_data(const EVP_PKEY_CTX *ctx)
1055 EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx)
1060 EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx)
1062 return ctx->peerkey;
1065 void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data)
1067 ctx->app_data = data;
1070 void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx)
1072 return ctx->app_data;
1075 void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
1076 int (*init) (EVP_PKEY_CTX *ctx))
1081 void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
1082 int (*copy) (EVP_PKEY_CTX *dst,
1083 const EVP_PKEY_CTX *src))
1088 void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
1089 void (*cleanup) (EVP_PKEY_CTX *ctx))
1091 pmeth->cleanup = cleanup;
1094 void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
1095 int (*paramgen_init) (EVP_PKEY_CTX *ctx),
1096 int (*paramgen) (EVP_PKEY_CTX *ctx,
1099 pmeth->paramgen_init = paramgen_init;
1100 pmeth->paramgen = paramgen;
1103 void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
1104 int (*keygen_init) (EVP_PKEY_CTX *ctx),
1105 int (*keygen) (EVP_PKEY_CTX *ctx,
1108 pmeth->keygen_init = keygen_init;
1109 pmeth->keygen = keygen;
1112 void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
1113 int (*sign_init) (EVP_PKEY_CTX *ctx),
1114 int (*sign) (EVP_PKEY_CTX *ctx,
1115 unsigned char *sig, size_t *siglen,
1116 const unsigned char *tbs,
1119 pmeth->sign_init = sign_init;
1123 void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
1124 int (*verify_init) (EVP_PKEY_CTX *ctx),
1125 int (*verify) (EVP_PKEY_CTX *ctx,
1126 const unsigned char *sig,
1128 const unsigned char *tbs,
1131 pmeth->verify_init = verify_init;
1132 pmeth->verify = verify;
1135 void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
1136 int (*verify_recover_init) (EVP_PKEY_CTX
1138 int (*verify_recover) (EVP_PKEY_CTX
1147 pmeth->verify_recover_init = verify_recover_init;
1148 pmeth->verify_recover = verify_recover;
1151 void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
1152 int (*signctx_init) (EVP_PKEY_CTX *ctx,
1154 int (*signctx) (EVP_PKEY_CTX *ctx,
1159 pmeth->signctx_init = signctx_init;
1160 pmeth->signctx = signctx;
1163 void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
1164 int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
1166 int (*verifyctx) (EVP_PKEY_CTX *ctx,
1167 const unsigned char *sig,
1171 pmeth->verifyctx_init = verifyctx_init;
1172 pmeth->verifyctx = verifyctx;
1175 void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
1176 int (*encrypt_init) (EVP_PKEY_CTX *ctx),
1177 int (*encryptfn) (EVP_PKEY_CTX *ctx,
1180 const unsigned char *in,
1183 pmeth->encrypt_init = encrypt_init;
1184 pmeth->encrypt = encryptfn;
1187 void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
1188 int (*decrypt_init) (EVP_PKEY_CTX *ctx),
1189 int (*decrypt) (EVP_PKEY_CTX *ctx,
1192 const unsigned char *in,
1195 pmeth->decrypt_init = decrypt_init;
1196 pmeth->decrypt = decrypt;
1199 void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
1200 int (*derive_init) (EVP_PKEY_CTX *ctx),
1201 int (*derive) (EVP_PKEY_CTX *ctx,
1205 pmeth->derive_init = derive_init;
1206 pmeth->derive = derive;
1209 void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
1210 int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
1212 int (*ctrl_str) (EVP_PKEY_CTX *ctx,
1217 pmeth->ctrl_str = ctrl_str;
1220 void EVP_PKEY_meth_set_digestsign(EVP_PKEY_METHOD *pmeth,
1221 int (*digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
1222 const unsigned char *tbs, size_t tbslen))
1224 pmeth->digestsign = digestsign;
1227 void EVP_PKEY_meth_set_digestverify(EVP_PKEY_METHOD *pmeth,
1228 int (*digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
1229 size_t siglen, const unsigned char *tbs,
1232 pmeth->digestverify = digestverify;
1235 void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth,
1236 int (*check) (EVP_PKEY *pkey))
1238 pmeth->check = check;
1241 void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD *pmeth,
1242 int (*check) (EVP_PKEY *pkey))
1244 pmeth->public_check = check;
1247 void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD *pmeth,
1248 int (*check) (EVP_PKEY *pkey))
1250 pmeth->param_check = check;
1253 void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD *pmeth,
1254 int (*digest_custom) (EVP_PKEY_CTX *ctx,
1257 pmeth->digest_custom = digest_custom;
1260 void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD *pmeth,
1261 int (**pinit) (EVP_PKEY_CTX *ctx))
1263 *pinit = pmeth->init;
1266 void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD *pmeth,
1267 int (**pcopy) (EVP_PKEY_CTX *dst,
1268 const EVP_PKEY_CTX *src))
1270 *pcopy = pmeth->copy;
1273 void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD *pmeth,
1274 void (**pcleanup) (EVP_PKEY_CTX *ctx))
1276 *pcleanup = pmeth->cleanup;
1279 void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD *pmeth,
1280 int (**pparamgen_init) (EVP_PKEY_CTX *ctx),
1281 int (**pparamgen) (EVP_PKEY_CTX *ctx,
1285 *pparamgen_init = pmeth->paramgen_init;
1287 *pparamgen = pmeth->paramgen;
1290 void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD *pmeth,
1291 int (**pkeygen_init) (EVP_PKEY_CTX *ctx),
1292 int (**pkeygen) (EVP_PKEY_CTX *ctx,
1296 *pkeygen_init = pmeth->keygen_init;
1298 *pkeygen = pmeth->keygen;
1301 void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD *pmeth,
1302 int (**psign_init) (EVP_PKEY_CTX *ctx),
1303 int (**psign) (EVP_PKEY_CTX *ctx,
1304 unsigned char *sig, size_t *siglen,
1305 const unsigned char *tbs,
1309 *psign_init = pmeth->sign_init;
1311 *psign = pmeth->sign;
1314 void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD *pmeth,
1315 int (**pverify_init) (EVP_PKEY_CTX *ctx),
1316 int (**pverify) (EVP_PKEY_CTX *ctx,
1317 const unsigned char *sig,
1319 const unsigned char *tbs,
1323 *pverify_init = pmeth->verify_init;
1325 *pverify = pmeth->verify;
1328 void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD *pmeth,
1329 int (**pverify_recover_init) (EVP_PKEY_CTX
1331 int (**pverify_recover) (EVP_PKEY_CTX
1340 if (pverify_recover_init)
1341 *pverify_recover_init = pmeth->verify_recover_init;
1342 if (pverify_recover)
1343 *pverify_recover = pmeth->verify_recover;
1346 void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD *pmeth,
1347 int (**psignctx_init) (EVP_PKEY_CTX *ctx,
1349 int (**psignctx) (EVP_PKEY_CTX *ctx,
1355 *psignctx_init = pmeth->signctx_init;
1357 *psignctx = pmeth->signctx;
1360 void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD *pmeth,
1361 int (**pverifyctx_init) (EVP_PKEY_CTX *ctx,
1363 int (**pverifyctx) (EVP_PKEY_CTX *ctx,
1364 const unsigned char *sig,
1368 if (pverifyctx_init)
1369 *pverifyctx_init = pmeth->verifyctx_init;
1371 *pverifyctx = pmeth->verifyctx;
1374 void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD *pmeth,
1375 int (**pencrypt_init) (EVP_PKEY_CTX *ctx),
1376 int (**pencryptfn) (EVP_PKEY_CTX *ctx,
1379 const unsigned char *in,
1383 *pencrypt_init = pmeth->encrypt_init;
1385 *pencryptfn = pmeth->encrypt;
1388 void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD *pmeth,
1389 int (**pdecrypt_init) (EVP_PKEY_CTX *ctx),
1390 int (**pdecrypt) (EVP_PKEY_CTX *ctx,
1393 const unsigned char *in,
1397 *pdecrypt_init = pmeth->decrypt_init;
1399 *pdecrypt = pmeth->decrypt;
1402 void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD *pmeth,
1403 int (**pderive_init) (EVP_PKEY_CTX *ctx),
1404 int (**pderive) (EVP_PKEY_CTX *ctx,
1409 *pderive_init = pmeth->derive_init;
1411 *pderive = pmeth->derive;
1414 void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD *pmeth,
1415 int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
1417 int (**pctrl_str) (EVP_PKEY_CTX *ctx,
1422 *pctrl = pmeth->ctrl;
1424 *pctrl_str = pmeth->ctrl_str;
1427 void EVP_PKEY_meth_get_digestsign(EVP_PKEY_METHOD *pmeth,
1428 int (**digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
1429 const unsigned char *tbs, size_t tbslen))
1432 *digestsign = pmeth->digestsign;
1435 void EVP_PKEY_meth_get_digestverify(EVP_PKEY_METHOD *pmeth,
1436 int (**digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
1437 size_t siglen, const unsigned char *tbs,
1441 *digestverify = pmeth->digestverify;
1444 void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD *pmeth,
1445 int (**pcheck) (EVP_PKEY *pkey))
1448 *pcheck = pmeth->check;
1451 void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD *pmeth,
1452 int (**pcheck) (EVP_PKEY *pkey))
1455 *pcheck = pmeth->public_check;
1458 void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD *pmeth,
1459 int (**pcheck) (EVP_PKEY *pkey))
1462 *pcheck = pmeth->param_check;
1465 void EVP_PKEY_meth_get_digest_custom(EVP_PKEY_METHOD *pmeth,
1466 int (**pdigest_custom) (EVP_PKEY_CTX *ctx,
1469 if (pdigest_custom != NULL)
1470 *pdigest_custom = pmeth->digest_custom;
1473 #endif /* FIPS_MODE */