2 * Copyright 1995-2018 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 #include "internal/cryptlib.h"
12 #include "internal/refcount.h"
13 #include <openssl/bn.h>
14 #include <openssl/err.h>
15 #include <openssl/objects.h>
16 #include <openssl/evp.h>
17 #include <openssl/x509.h>
18 #include <openssl/rsa.h>
19 #include <openssl/dsa.h>
20 #include <openssl/dh.h>
21 #include <openssl/cmac.h>
22 #include <openssl/engine.h>
23 #include <openssl/params.h>
24 #include <openssl/serializer.h>
25 #include <openssl/core_names.h>
27 #include "crypto/asn1.h"
28 #include "crypto/evp.h"
29 #include "internal/provider.h"
31 static void EVP_PKEY_free_it(EVP_PKEY
*x
);
33 int EVP_PKEY_bits(const EVP_PKEY
*pkey
)
35 if (pkey
&& pkey
->ameth
&& pkey
->ameth
->pkey_bits
)
36 return pkey
->ameth
->pkey_bits(pkey
);
40 int EVP_PKEY_security_bits(const EVP_PKEY
*pkey
)
44 if (pkey
->ameth
== NULL
|| pkey
->ameth
->pkey_security_bits
== NULL
)
46 return pkey
->ameth
->pkey_security_bits(pkey
);
49 int EVP_PKEY_size(const EVP_PKEY
*pkey
)
51 if (pkey
&& pkey
->ameth
&& pkey
->ameth
->pkey_size
)
52 return pkey
->ameth
->pkey_size(pkey
);
56 int EVP_PKEY_save_parameters(EVP_PKEY
*pkey
, int mode
)
58 #ifndef OPENSSL_NO_DSA
59 if (pkey
->type
== EVP_PKEY_DSA
) {
60 int ret
= pkey
->save_parameters
;
63 pkey
->save_parameters
= mode
;
68 if (pkey
->type
== EVP_PKEY_EC
) {
69 int ret
= pkey
->save_parameters
;
72 pkey
->save_parameters
= mode
;
79 int EVP_PKEY_copy_parameters(EVP_PKEY
*to
, const EVP_PKEY
*from
)
81 if (to
->type
== EVP_PKEY_NONE
) {
82 if (EVP_PKEY_set_type(to
, from
->type
) == 0)
84 } else if (to
->type
!= from
->type
) {
85 EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS
, EVP_R_DIFFERENT_KEY_TYPES
);
89 if (EVP_PKEY_missing_parameters(from
)) {
90 EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS
, EVP_R_MISSING_PARAMETERS
);
94 if (!EVP_PKEY_missing_parameters(to
)) {
95 if (EVP_PKEY_cmp_parameters(to
, from
) == 1)
97 EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS
, EVP_R_DIFFERENT_PARAMETERS
);
101 if (from
->ameth
&& from
->ameth
->param_copy
)
102 return from
->ameth
->param_copy(to
, from
);
107 int EVP_PKEY_missing_parameters(const EVP_PKEY
*pkey
)
109 if (pkey
!= NULL
&& pkey
->ameth
&& pkey
->ameth
->param_missing
)
110 return pkey
->ameth
->param_missing(pkey
);
114 int EVP_PKEY_cmp_parameters(const EVP_PKEY
*a
, const EVP_PKEY
*b
)
116 if (a
->type
!= b
->type
)
118 if (a
->ameth
&& a
->ameth
->param_cmp
)
119 return a
->ameth
->param_cmp(a
, b
);
123 int EVP_PKEY_cmp(const EVP_PKEY
*a
, const EVP_PKEY
*b
)
125 if (a
->type
!= b
->type
)
130 /* Compare parameters if the algorithm has them */
131 if (a
->ameth
->param_cmp
) {
132 ret
= a
->ameth
->param_cmp(a
, b
);
137 if (a
->ameth
->pub_cmp
)
138 return a
->ameth
->pub_cmp(a
, b
);
144 EVP_PKEY
*EVP_PKEY_new(void)
146 EVP_PKEY
*ret
= OPENSSL_zalloc(sizeof(*ret
));
149 EVPerr(EVP_F_EVP_PKEY_NEW
, ERR_R_MALLOC_FAILURE
);
152 ret
->type
= EVP_PKEY_NONE
;
153 ret
->save_type
= EVP_PKEY_NONE
;
155 ret
->save_parameters
= 1;
156 ret
->lock
= CRYPTO_THREAD_lock_new();
157 if (ret
->lock
== NULL
) {
158 EVPerr(EVP_F_EVP_PKEY_NEW
, ERR_R_MALLOC_FAILURE
);
165 int EVP_PKEY_up_ref(EVP_PKEY
*pkey
)
169 if (CRYPTO_UP_REF(&pkey
->references
, &i
, pkey
->lock
) <= 0)
172 REF_PRINT_COUNT("EVP_PKEY", pkey
);
173 REF_ASSERT_ISNT(i
< 2);
174 return ((i
> 1) ? 1 : 0);
178 * Setup a public key ASN1 method and ENGINE from a NID or a string. If pkey
179 * is NULL just return 1 or 0 if the algorithm exists.
182 static int pkey_set_type(EVP_PKEY
*pkey
, ENGINE
*e
, int type
, const char *str
,
185 const EVP_PKEY_ASN1_METHOD
*ameth
;
186 ENGINE
**eptr
= (e
== NULL
) ? &e
: NULL
;
190 EVP_PKEY_free_it(pkey
);
192 * If key type matches and a method exists then this lookup has
193 * succeeded once so just indicate success.
195 if ((type
== pkey
->save_type
) && pkey
->ameth
)
197 #ifndef OPENSSL_NO_ENGINE
198 /* If we have ENGINEs release them */
199 ENGINE_finish(pkey
->engine
);
201 ENGINE_finish(pkey
->pmeth_engine
);
202 pkey
->pmeth_engine
= NULL
;
206 ameth
= EVP_PKEY_asn1_find_str(eptr
, str
, len
);
208 ameth
= EVP_PKEY_asn1_find(eptr
, type
);
209 #ifndef OPENSSL_NO_ENGINE
210 if (pkey
== NULL
&& eptr
!= NULL
)
214 EVPerr(EVP_F_PKEY_SET_TYPE
, EVP_R_UNSUPPORTED_ALGORITHM
);
221 pkey
->type
= pkey
->ameth
->pkey_id
;
222 pkey
->save_type
= type
;
227 EVP_PKEY
*EVP_PKEY_new_raw_private_key(int type
, ENGINE
*e
,
228 const unsigned char *priv
,
231 EVP_PKEY
*ret
= EVP_PKEY_new();
234 || !pkey_set_type(ret
, e
, type
, NULL
, -1)) {
235 /* EVPerr already called */
239 if (ret
->ameth
->set_priv_key
== NULL
) {
240 EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PRIVATE_KEY
,
241 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE
);
245 if (!ret
->ameth
->set_priv_key(ret
, priv
, len
)) {
246 EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PRIVATE_KEY
, EVP_R_KEY_SETUP_FAILED
);
257 EVP_PKEY
*EVP_PKEY_new_raw_public_key(int type
, ENGINE
*e
,
258 const unsigned char *pub
,
261 EVP_PKEY
*ret
= EVP_PKEY_new();
264 || !pkey_set_type(ret
, e
, type
, NULL
, -1)) {
265 /* EVPerr already called */
269 if (ret
->ameth
->set_pub_key
== NULL
) {
270 EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PUBLIC_KEY
,
271 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE
);
275 if (!ret
->ameth
->set_pub_key(ret
, pub
, len
)) {
276 EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PUBLIC_KEY
, EVP_R_KEY_SETUP_FAILED
);
287 int EVP_PKEY_get_raw_private_key(const EVP_PKEY
*pkey
, unsigned char *priv
,
290 if (pkey
->ameth
->get_priv_key
== NULL
) {
291 EVPerr(EVP_F_EVP_PKEY_GET_RAW_PRIVATE_KEY
,
292 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE
);
296 if (!pkey
->ameth
->get_priv_key(pkey
, priv
, len
)) {
297 EVPerr(EVP_F_EVP_PKEY_GET_RAW_PRIVATE_KEY
, EVP_R_GET_RAW_KEY_FAILED
);
304 int EVP_PKEY_get_raw_public_key(const EVP_PKEY
*pkey
, unsigned char *pub
,
307 if (pkey
->ameth
->get_pub_key
== NULL
) {
308 EVPerr(EVP_F_EVP_PKEY_GET_RAW_PUBLIC_KEY
,
309 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE
);
313 if (!pkey
->ameth
->get_pub_key(pkey
, pub
, len
)) {
314 EVPerr(EVP_F_EVP_PKEY_GET_RAW_PUBLIC_KEY
, EVP_R_GET_RAW_KEY_FAILED
);
321 EVP_PKEY
*EVP_PKEY_new_CMAC_key(ENGINE
*e
, const unsigned char *priv
,
322 size_t len
, const EVP_CIPHER
*cipher
)
324 #ifndef OPENSSL_NO_CMAC
325 # ifndef OPENSSL_NO_ENGINE
326 const char *engine_id
= e
!= NULL
? ENGINE_get_id(e
) : NULL
;
328 const char *cipher_name
= EVP_CIPHER_name(cipher
);
329 const OSSL_PROVIDER
*prov
= EVP_CIPHER_provider(cipher
);
330 OPENSSL_CTX
*libctx
=
331 prov
== NULL
? NULL
: ossl_provider_library_context(prov
);
332 EVP_PKEY
*ret
= EVP_PKEY_new();
333 EVP_MAC
*cmac
= EVP_MAC_fetch(libctx
, OSSL_MAC_NAME_CMAC
, NULL
);
334 EVP_MAC_CTX
*cmctx
= cmac
!= NULL
? EVP_MAC_CTX_new(cmac
) : NULL
;
335 OSSL_PARAM params
[4];
340 || !pkey_set_type(ret
, e
, EVP_PKEY_CMAC
, NULL
, -1)) {
341 /* EVPerr already called */
345 # ifndef OPENSSL_NO_ENGINE
346 if (engine_id
!= NULL
)
348 OSSL_PARAM_construct_utf8_string("engine", (char *)engine_id
, 0);
352 OSSL_PARAM_construct_utf8_string(OSSL_MAC_PARAM_CIPHER
,
353 (char *)cipher_name
, 0);
355 OSSL_PARAM_construct_octet_string(OSSL_MAC_PARAM_KEY
,
357 params
[paramsn
] = OSSL_PARAM_construct_end();
359 if (!EVP_MAC_CTX_set_params(cmctx
, params
)) {
360 EVPerr(EVP_F_EVP_PKEY_NEW_CMAC_KEY
, EVP_R_KEY_SETUP_FAILED
);
364 ret
->pkey
.ptr
= cmctx
;
369 EVP_MAC_CTX_free(cmctx
);
373 EVPerr(EVP_F_EVP_PKEY_NEW_CMAC_KEY
,
374 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE
);
379 int EVP_PKEY_set_type(EVP_PKEY
*pkey
, int type
)
381 return pkey_set_type(pkey
, NULL
, type
, NULL
, -1);
384 int EVP_PKEY_set_type_str(EVP_PKEY
*pkey
, const char *str
, int len
)
386 return pkey_set_type(pkey
, NULL
, EVP_PKEY_NONE
, str
, len
);
389 int EVP_PKEY_set_alias_type(EVP_PKEY
*pkey
, int type
)
391 if (pkey
->type
== type
) {
392 return 1; /* it already is that type */
396 * The application is requesting to alias this to a different pkey type,
397 * but not one that resolves to the base type.
399 if (EVP_PKEY_type(type
) != EVP_PKEY_base_id(pkey
)) {
400 EVPerr(EVP_F_EVP_PKEY_SET_ALIAS_TYPE
, EVP_R_UNSUPPORTED_ALGORITHM
);
408 #ifndef OPENSSL_NO_ENGINE
409 int EVP_PKEY_set1_engine(EVP_PKEY
*pkey
, ENGINE
*e
)
412 if (!ENGINE_init(e
)) {
413 EVPerr(EVP_F_EVP_PKEY_SET1_ENGINE
, ERR_R_ENGINE_LIB
);
416 if (ENGINE_get_pkey_meth(e
, pkey
->type
) == NULL
) {
418 EVPerr(EVP_F_EVP_PKEY_SET1_ENGINE
, EVP_R_UNSUPPORTED_ALGORITHM
);
422 ENGINE_finish(pkey
->pmeth_engine
);
423 pkey
->pmeth_engine
= e
;
427 ENGINE
*EVP_PKEY_get0_engine(const EVP_PKEY
*pkey
)
432 int EVP_PKEY_assign(EVP_PKEY
*pkey
, int type
, void *key
)
434 if (pkey
== NULL
|| !EVP_PKEY_set_type(pkey
, type
))
436 pkey
->pkey
.ptr
= key
;
437 return (key
!= NULL
);
440 void *EVP_PKEY_get0(const EVP_PKEY
*pkey
)
442 return pkey
->pkey
.ptr
;
445 const unsigned char *EVP_PKEY_get0_hmac(const EVP_PKEY
*pkey
, size_t *len
)
447 ASN1_OCTET_STRING
*os
= NULL
;
448 if (pkey
->type
!= EVP_PKEY_HMAC
) {
449 EVPerr(EVP_F_EVP_PKEY_GET0_HMAC
, EVP_R_EXPECTING_AN_HMAC_KEY
);
452 os
= EVP_PKEY_get0(pkey
);
457 #ifndef OPENSSL_NO_POLY1305
458 const unsigned char *EVP_PKEY_get0_poly1305(const EVP_PKEY
*pkey
, size_t *len
)
460 ASN1_OCTET_STRING
*os
= NULL
;
461 if (pkey
->type
!= EVP_PKEY_POLY1305
) {
462 EVPerr(EVP_F_EVP_PKEY_GET0_POLY1305
, EVP_R_EXPECTING_A_POLY1305_KEY
);
465 os
= EVP_PKEY_get0(pkey
);
471 #ifndef OPENSSL_NO_SIPHASH
472 const unsigned char *EVP_PKEY_get0_siphash(const EVP_PKEY
*pkey
, size_t *len
)
474 ASN1_OCTET_STRING
*os
= NULL
;
476 if (pkey
->type
!= EVP_PKEY_SIPHASH
) {
477 EVPerr(EVP_F_EVP_PKEY_GET0_SIPHASH
, EVP_R_EXPECTING_A_SIPHASH_KEY
);
480 os
= EVP_PKEY_get0(pkey
);
486 #ifndef OPENSSL_NO_RSA
487 int EVP_PKEY_set1_RSA(EVP_PKEY
*pkey
, RSA
*key
)
489 int ret
= EVP_PKEY_assign_RSA(pkey
, key
);
495 RSA
*EVP_PKEY_get0_RSA(const EVP_PKEY
*pkey
)
497 if (pkey
->type
!= EVP_PKEY_RSA
&& pkey
->type
!= EVP_PKEY_RSA_PSS
) {
498 EVPerr(EVP_F_EVP_PKEY_GET0_RSA
, EVP_R_EXPECTING_AN_RSA_KEY
);
501 return pkey
->pkey
.rsa
;
504 RSA
*EVP_PKEY_get1_RSA(EVP_PKEY
*pkey
)
506 RSA
*ret
= EVP_PKEY_get0_RSA(pkey
);
513 #ifndef OPENSSL_NO_DSA
514 int EVP_PKEY_set1_DSA(EVP_PKEY
*pkey
, DSA
*key
)
516 int ret
= EVP_PKEY_assign_DSA(pkey
, key
);
522 DSA
*EVP_PKEY_get0_DSA(const EVP_PKEY
*pkey
)
524 if (pkey
->type
!= EVP_PKEY_DSA
) {
525 EVPerr(EVP_F_EVP_PKEY_GET0_DSA
, EVP_R_EXPECTING_A_DSA_KEY
);
528 return pkey
->pkey
.dsa
;
531 DSA
*EVP_PKEY_get1_DSA(EVP_PKEY
*pkey
)
533 DSA
*ret
= EVP_PKEY_get0_DSA(pkey
);
540 #ifndef OPENSSL_NO_EC
542 int EVP_PKEY_set1_EC_KEY(EVP_PKEY
*pkey
, EC_KEY
*key
)
544 int ret
= EVP_PKEY_assign_EC_KEY(pkey
, key
);
550 EC_KEY
*EVP_PKEY_get0_EC_KEY(const EVP_PKEY
*pkey
)
552 if (pkey
->type
!= EVP_PKEY_EC
) {
553 EVPerr(EVP_F_EVP_PKEY_GET0_EC_KEY
, EVP_R_EXPECTING_A_EC_KEY
);
556 return pkey
->pkey
.ec
;
559 EC_KEY
*EVP_PKEY_get1_EC_KEY(EVP_PKEY
*pkey
)
561 EC_KEY
*ret
= EVP_PKEY_get0_EC_KEY(pkey
);
568 #ifndef OPENSSL_NO_DH
570 int EVP_PKEY_set1_DH(EVP_PKEY
*pkey
, DH
*key
)
572 int ret
= EVP_PKEY_assign_DH(pkey
, key
);
578 DH
*EVP_PKEY_get0_DH(const EVP_PKEY
*pkey
)
580 if (pkey
->type
!= EVP_PKEY_DH
&& pkey
->type
!= EVP_PKEY_DHX
) {
581 EVPerr(EVP_F_EVP_PKEY_GET0_DH
, EVP_R_EXPECTING_A_DH_KEY
);
584 return pkey
->pkey
.dh
;
587 DH
*EVP_PKEY_get1_DH(EVP_PKEY
*pkey
)
589 DH
*ret
= EVP_PKEY_get0_DH(pkey
);
596 int EVP_PKEY_type(int type
)
599 const EVP_PKEY_ASN1_METHOD
*ameth
;
601 ameth
= EVP_PKEY_asn1_find(&e
, type
);
603 ret
= ameth
->pkey_id
;
606 #ifndef OPENSSL_NO_ENGINE
612 int EVP_PKEY_id(const EVP_PKEY
*pkey
)
617 int EVP_PKEY_base_id(const EVP_PKEY
*pkey
)
619 return EVP_PKEY_type(pkey
->type
);
622 void EVP_PKEY_free(EVP_PKEY
*x
)
629 CRYPTO_DOWN_REF(&x
->references
, &i
, x
->lock
);
630 REF_PRINT_COUNT("EVP_PKEY", x
);
633 REF_ASSERT_ISNT(i
< 0);
635 CRYPTO_THREAD_lock_free(x
->lock
);
636 sk_X509_ATTRIBUTE_pop_free(x
->attributes
, X509_ATTRIBUTE_free
);
640 static void EVP_PKEY_free_it(EVP_PKEY
*x
)
642 /* internal function; x is never NULL */
644 evp_keymgmt_clear_pkey_cache(x
);
646 if (x
->ameth
&& x
->ameth
->pkey_free
) {
647 x
->ameth
->pkey_free(x
);
650 #ifndef OPENSSL_NO_ENGINE
651 ENGINE_finish(x
->engine
);
653 ENGINE_finish(x
->pmeth_engine
);
654 x
->pmeth_engine
= NULL
;
658 static int unsup_alg(BIO
*out
, const EVP_PKEY
*pkey
, int indent
,
661 BIO_indent(out
, indent
, 128);
662 BIO_printf(out
, "%s algorithm \"%s\" unsupported\n",
663 kstr
, OBJ_nid2ln(pkey
->type
));
667 int EVP_PKEY_print_public(BIO
*out
, const EVP_PKEY
*pkey
,
668 int indent
, ASN1_PCTX
*pctx
)
670 const char *pq
= OSSL_SERIALIZER_PUBKEY_TO_TEXT_PQ
;
671 OSSL_SERIALIZER_CTX
*ctx
= OSSL_SERIALIZER_CTX_new_by_EVP_PKEY(pkey
, pq
);
672 int ret
= -2; /* mark as unsupported */
674 if (OSSL_SERIALIZER_CTX_get_serializer(ctx
) != NULL
)
675 ret
= OSSL_SERIALIZER_to_bio(ctx
, out
);
676 OSSL_SERIALIZER_CTX_free(ctx
);
681 /* legacy fallback */
682 if (pkey
->ameth
&& pkey
->ameth
->pub_print
)
683 return pkey
->ameth
->pub_print(out
, pkey
, indent
, pctx
);
685 return unsup_alg(out
, pkey
, indent
, "Public Key");
688 int EVP_PKEY_print_private(BIO
*out
, const EVP_PKEY
*pkey
,
689 int indent
, ASN1_PCTX
*pctx
)
691 const char *pq
= OSSL_SERIALIZER_PrivateKey_TO_TEXT_PQ
;
692 OSSL_SERIALIZER_CTX
*ctx
= OSSL_SERIALIZER_CTX_new_by_EVP_PKEY(pkey
, pq
);
693 int ret
= -2; /* mark as unsupported */
695 if (OSSL_SERIALIZER_CTX_get_serializer(ctx
) != NULL
)
696 ret
= OSSL_SERIALIZER_to_bio(ctx
, out
);
697 OSSL_SERIALIZER_CTX_free(ctx
);
702 /* legacy fallback */
703 if (pkey
->ameth
&& pkey
->ameth
->priv_print
)
704 return pkey
->ameth
->priv_print(out
, pkey
, indent
, pctx
);
706 return unsup_alg(out
, pkey
, indent
, "Private Key");
709 int EVP_PKEY_print_params(BIO
*out
, const EVP_PKEY
*pkey
,
710 int indent
, ASN1_PCTX
*pctx
)
712 const char *pq
= OSSL_SERIALIZER_Parameters_TO_TEXT_PQ
;
713 OSSL_SERIALIZER_CTX
*ctx
= OSSL_SERIALIZER_CTX_new_by_EVP_PKEY(pkey
, pq
);
714 int ret
= -2; /* mark as unsupported */
716 if (OSSL_SERIALIZER_CTX_get_serializer(ctx
) != NULL
)
717 ret
= OSSL_SERIALIZER_to_bio(ctx
, out
);
718 OSSL_SERIALIZER_CTX_free(ctx
);
723 /* legacy fallback */
724 if (pkey
->ameth
&& pkey
->ameth
->param_print
)
725 return pkey
->ameth
->param_print(out
, pkey
, indent
, pctx
);
727 return unsup_alg(out
, pkey
, indent
, "Parameters");
730 static int evp_pkey_asn1_ctrl(EVP_PKEY
*pkey
, int op
, int arg1
, void *arg2
)
732 if (pkey
->ameth
== NULL
|| pkey
->ameth
->pkey_ctrl
== NULL
)
734 return pkey
->ameth
->pkey_ctrl(pkey
, op
, arg1
, arg2
);
737 int EVP_PKEY_get_default_digest_nid(EVP_PKEY
*pkey
, int *pnid
)
739 return evp_pkey_asn1_ctrl(pkey
, ASN1_PKEY_CTRL_DEFAULT_MD_NID
, 0, pnid
);
742 int EVP_PKEY_supports_digest_nid(EVP_PKEY
*pkey
, int nid
)
746 rv
= evp_pkey_asn1_ctrl(pkey
, ASN1_PKEY_CTRL_SUPPORTS_MD_NID
, nid
, NULL
);
749 * If there is a mandatory default digest and this isn't it, then
750 * the answer is 'no'.
752 rv
= EVP_PKEY_get_default_digest_nid(pkey
, &default_nid
);
754 return (nid
== default_nid
);
755 /* zero is an error from EVP_PKEY_get_default_digest_nid() */
762 int EVP_PKEY_set1_tls_encodedpoint(EVP_PKEY
*pkey
,
763 const unsigned char *pt
, size_t ptlen
)
767 if (evp_pkey_asn1_ctrl(pkey
, ASN1_PKEY_CTRL_SET1_TLS_ENCPT
, ptlen
,
773 size_t EVP_PKEY_get1_tls_encodedpoint(EVP_PKEY
*pkey
, unsigned char **ppt
)
776 rv
= evp_pkey_asn1_ctrl(pkey
, ASN1_PKEY_CTRL_GET1_TLS_ENCPT
, 0, ppt
);