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 * DSA low level APIs are deprecated for public use, but still ok for
14 #include "internal/deprecated.h"
17 #include "internal/cryptlib.h"
18 #include "internal/refcount.h"
19 #include <openssl/bn.h>
20 #include <openssl/err.h>
21 #include <openssl/objects.h>
22 #include <openssl/evp.h>
23 #include <openssl/x509.h>
24 #include <openssl/rsa.h>
25 #include <openssl/dsa.h>
26 #include <openssl/dh.h>
27 #include <openssl/cmac.h>
28 #include <openssl/engine.h>
29 #include <openssl/params.h>
30 #include <openssl/serializer.h>
31 #include <openssl/core_names.h>
33 #include "crypto/asn1.h"
34 #include "crypto/evp.h"
35 #include "internal/provider.h"
36 #include "evp_local.h"
38 static void evp_pkey_free_it(EVP_PKEY
*key
);
42 int EVP_PKEY_bits(const EVP_PKEY
*pkey
)
45 if (pkey
->ameth
== NULL
)
46 return pkey
->cache
.bits
;
47 else if (pkey
->ameth
->pkey_bits
)
48 return pkey
->ameth
->pkey_bits(pkey
);
53 int EVP_PKEY_security_bits(const EVP_PKEY
*pkey
)
57 if (pkey
->ameth
== NULL
)
58 return pkey
->cache
.security_bits
;
59 if (pkey
->ameth
->pkey_security_bits
== NULL
)
61 return pkey
->ameth
->pkey_security_bits(pkey
);
64 int EVP_PKEY_save_parameters(EVP_PKEY
*pkey
, int mode
)
66 # ifndef OPENSSL_NO_DSA
67 if (pkey
->type
== EVP_PKEY_DSA
) {
68 int ret
= pkey
->save_parameters
;
71 pkey
->save_parameters
= mode
;
75 # ifndef OPENSSL_NO_EC
76 if (pkey
->type
== EVP_PKEY_EC
) {
77 int ret
= pkey
->save_parameters
;
80 pkey
->save_parameters
= mode
;
87 int EVP_PKEY_copy_parameters(EVP_PKEY
*to
, const EVP_PKEY
*from
)
89 if (to
->type
== EVP_PKEY_NONE
) {
90 if (EVP_PKEY_set_type(to
, from
->type
) == 0)
92 } else if (to
->type
!= from
->type
) {
93 EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS
, EVP_R_DIFFERENT_KEY_TYPES
);
97 if (EVP_PKEY_missing_parameters(from
)) {
98 EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS
, EVP_R_MISSING_PARAMETERS
);
102 if (!EVP_PKEY_missing_parameters(to
)) {
103 if (EVP_PKEY_cmp_parameters(to
, from
) == 1)
105 EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS
, EVP_R_DIFFERENT_PARAMETERS
);
109 if (from
->ameth
&& from
->ameth
->param_copy
)
110 return from
->ameth
->param_copy(to
, from
);
115 int EVP_PKEY_missing_parameters(const EVP_PKEY
*pkey
)
117 if (pkey
!= NULL
&& pkey
->ameth
&& pkey
->ameth
->param_missing
)
118 return pkey
->ameth
->param_missing(pkey
);
122 int EVP_PKEY_cmp_parameters(const EVP_PKEY
*a
, const EVP_PKEY
*b
)
124 if (a
->type
!= b
->type
)
126 if (a
->ameth
&& a
->ameth
->param_cmp
)
127 return a
->ameth
->param_cmp(a
, b
);
131 int EVP_PKEY_cmp(const EVP_PKEY
*a
, const EVP_PKEY
*b
)
133 if (a
->type
!= b
->type
)
138 /* Compare parameters if the algorithm has them */
139 if (a
->ameth
->param_cmp
) {
140 ret
= a
->ameth
->param_cmp(a
, b
);
145 if (a
->ameth
->pub_cmp
)
146 return a
->ameth
->pub_cmp(a
, b
);
154 * Setup a public key ASN1 method and ENGINE from a NID or a string. If pkey
155 * is NULL just return 1 or 0 if the algorithm exists.
158 static int pkey_set_type(EVP_PKEY
*pkey
, ENGINE
*e
, int type
, const char *str
,
161 const EVP_PKEY_ASN1_METHOD
*ameth
;
162 ENGINE
**eptr
= (e
== NULL
) ? &e
: NULL
;
166 evp_pkey_free_it(pkey
);
168 * If key type matches and a method exists then this lookup has
169 * succeeded once so just indicate success.
171 if ((type
== pkey
->save_type
) && pkey
->ameth
)
173 # ifndef OPENSSL_NO_ENGINE
174 /* If we have ENGINEs release them */
175 ENGINE_finish(pkey
->engine
);
177 ENGINE_finish(pkey
->pmeth_engine
);
178 pkey
->pmeth_engine
= NULL
;
182 ameth
= EVP_PKEY_asn1_find_str(eptr
, str
, len
);
184 ameth
= EVP_PKEY_asn1_find(eptr
, type
);
185 # ifndef OPENSSL_NO_ENGINE
186 if (pkey
== NULL
&& eptr
!= NULL
)
190 EVPerr(EVP_F_PKEY_SET_TYPE
, EVP_R_UNSUPPORTED_ALGORITHM
);
197 pkey
->type
= pkey
->ameth
->pkey_id
;
198 pkey
->save_type
= type
;
203 EVP_PKEY
*EVP_PKEY_new_raw_private_key(int type
, ENGINE
*e
,
204 const unsigned char *priv
,
207 EVP_PKEY
*ret
= EVP_PKEY_new();
210 || !pkey_set_type(ret
, e
, type
, NULL
, -1)) {
211 /* EVPerr already called */
215 if (ret
->ameth
->set_priv_key
== NULL
) {
216 EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PRIVATE_KEY
,
217 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE
);
221 if (!ret
->ameth
->set_priv_key(ret
, priv
, len
)) {
222 EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PRIVATE_KEY
, EVP_R_KEY_SETUP_FAILED
);
233 EVP_PKEY
*EVP_PKEY_new_raw_public_key(int type
, ENGINE
*e
,
234 const unsigned char *pub
,
237 EVP_PKEY
*ret
= EVP_PKEY_new();
240 || !pkey_set_type(ret
, e
, type
, NULL
, -1)) {
241 /* EVPerr already called */
245 if (ret
->ameth
->set_pub_key
== NULL
) {
246 EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PUBLIC_KEY
,
247 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE
);
251 if (!ret
->ameth
->set_pub_key(ret
, pub
, len
)) {
252 EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PUBLIC_KEY
, EVP_R_KEY_SETUP_FAILED
);
263 int EVP_PKEY_get_raw_private_key(const EVP_PKEY
*pkey
, unsigned char *priv
,
266 if (pkey
->ameth
->get_priv_key
== NULL
) {
267 EVPerr(EVP_F_EVP_PKEY_GET_RAW_PRIVATE_KEY
,
268 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE
);
272 if (!pkey
->ameth
->get_priv_key(pkey
, priv
, len
)) {
273 EVPerr(EVP_F_EVP_PKEY_GET_RAW_PRIVATE_KEY
, EVP_R_GET_RAW_KEY_FAILED
);
280 int EVP_PKEY_get_raw_public_key(const EVP_PKEY
*pkey
, unsigned char *pub
,
283 if (pkey
->ameth
->get_pub_key
== NULL
) {
284 EVPerr(EVP_F_EVP_PKEY_GET_RAW_PUBLIC_KEY
,
285 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE
);
289 if (!pkey
->ameth
->get_pub_key(pkey
, pub
, len
)) {
290 EVPerr(EVP_F_EVP_PKEY_GET_RAW_PUBLIC_KEY
, EVP_R_GET_RAW_KEY_FAILED
);
297 EVP_PKEY
*EVP_PKEY_new_CMAC_key(ENGINE
*e
, const unsigned char *priv
,
298 size_t len
, const EVP_CIPHER
*cipher
)
300 # ifndef OPENSSL_NO_CMAC
301 # ifndef OPENSSL_NO_ENGINE
302 const char *engine_id
= e
!= NULL
? ENGINE_get_id(e
) : NULL
;
304 const char *cipher_name
= EVP_CIPHER_name(cipher
);
305 const OSSL_PROVIDER
*prov
= EVP_CIPHER_provider(cipher
);
306 OPENSSL_CTX
*libctx
=
307 prov
== NULL
? NULL
: ossl_provider_library_context(prov
);
308 EVP_PKEY
*ret
= EVP_PKEY_new();
309 EVP_MAC
*cmac
= EVP_MAC_fetch(libctx
, OSSL_MAC_NAME_CMAC
, NULL
);
310 EVP_MAC_CTX
*cmctx
= cmac
!= NULL
? EVP_MAC_CTX_new(cmac
) : NULL
;
311 OSSL_PARAM params
[4];
316 || !pkey_set_type(ret
, e
, EVP_PKEY_CMAC
, NULL
, -1)) {
317 /* EVPerr already called */
321 # ifndef OPENSSL_NO_ENGINE
322 if (engine_id
!= NULL
)
324 OSSL_PARAM_construct_utf8_string("engine", (char *)engine_id
, 0);
328 OSSL_PARAM_construct_utf8_string(OSSL_MAC_PARAM_CIPHER
,
329 (char *)cipher_name
, 0);
331 OSSL_PARAM_construct_octet_string(OSSL_MAC_PARAM_KEY
,
333 params
[paramsn
] = OSSL_PARAM_construct_end();
335 if (!EVP_MAC_CTX_set_params(cmctx
, params
)) {
336 EVPerr(EVP_F_EVP_PKEY_NEW_CMAC_KEY
, EVP_R_KEY_SETUP_FAILED
);
340 ret
->pkey
.ptr
= cmctx
;
345 EVP_MAC_CTX_free(cmctx
);
349 EVPerr(EVP_F_EVP_PKEY_NEW_CMAC_KEY
,
350 EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE
);
355 int EVP_PKEY_set_type(EVP_PKEY
*pkey
, int type
)
357 return pkey_set_type(pkey
, NULL
, type
, NULL
, -1);
360 int EVP_PKEY_set_type_str(EVP_PKEY
*pkey
, const char *str
, int len
)
362 return pkey_set_type(pkey
, NULL
, EVP_PKEY_NONE
, str
, len
);
365 int EVP_PKEY_set_alias_type(EVP_PKEY
*pkey
, int type
)
367 if (pkey
->type
== type
) {
368 return 1; /* it already is that type */
372 * The application is requesting to alias this to a different pkey type,
373 * but not one that resolves to the base type.
375 if (EVP_PKEY_type(type
) != EVP_PKEY_base_id(pkey
)) {
376 EVPerr(EVP_F_EVP_PKEY_SET_ALIAS_TYPE
, EVP_R_UNSUPPORTED_ALGORITHM
);
384 # ifndef OPENSSL_NO_ENGINE
385 int EVP_PKEY_set1_engine(EVP_PKEY
*pkey
, ENGINE
*e
)
388 if (!ENGINE_init(e
)) {
389 EVPerr(EVP_F_EVP_PKEY_SET1_ENGINE
, ERR_R_ENGINE_LIB
);
392 if (ENGINE_get_pkey_meth(e
, pkey
->type
) == NULL
) {
394 EVPerr(EVP_F_EVP_PKEY_SET1_ENGINE
, EVP_R_UNSUPPORTED_ALGORITHM
);
398 ENGINE_finish(pkey
->pmeth_engine
);
399 pkey
->pmeth_engine
= e
;
403 ENGINE
*EVP_PKEY_get0_engine(const EVP_PKEY
*pkey
)
408 int EVP_PKEY_assign(EVP_PKEY
*pkey
, int type
, void *key
)
412 #ifndef OPENSSL_NO_EC
413 if (EVP_PKEY_type(type
) == EVP_PKEY_EC
) {
414 const EC_GROUP
*group
= EC_KEY_get0_group(key
);
416 if (group
!= NULL
&& EC_GROUP_get_curve_name(group
) == NID_sm2
)
417 alias
= EVP_PKEY_SM2
;
421 if (pkey
== NULL
|| !EVP_PKEY_set_type(pkey
, type
))
423 if (!EVP_PKEY_set_alias_type(pkey
, alias
))
425 pkey
->pkey
.ptr
= key
;
426 return (key
!= NULL
);
429 void *EVP_PKEY_get0(const EVP_PKEY
*pkey
)
431 return pkey
->pkey
.ptr
;
434 const unsigned char *EVP_PKEY_get0_hmac(const EVP_PKEY
*pkey
, size_t *len
)
436 ASN1_OCTET_STRING
*os
= NULL
;
437 if (pkey
->type
!= EVP_PKEY_HMAC
) {
438 EVPerr(EVP_F_EVP_PKEY_GET0_HMAC
, EVP_R_EXPECTING_AN_HMAC_KEY
);
441 os
= EVP_PKEY_get0(pkey
);
446 # ifndef OPENSSL_NO_POLY1305
447 const unsigned char *EVP_PKEY_get0_poly1305(const EVP_PKEY
*pkey
, size_t *len
)
449 ASN1_OCTET_STRING
*os
= NULL
;
450 if (pkey
->type
!= EVP_PKEY_POLY1305
) {
451 EVPerr(EVP_F_EVP_PKEY_GET0_POLY1305
, EVP_R_EXPECTING_A_POLY1305_KEY
);
454 os
= EVP_PKEY_get0(pkey
);
460 # ifndef OPENSSL_NO_SIPHASH
461 const unsigned char *EVP_PKEY_get0_siphash(const EVP_PKEY
*pkey
, size_t *len
)
463 ASN1_OCTET_STRING
*os
= NULL
;
465 if (pkey
->type
!= EVP_PKEY_SIPHASH
) {
466 EVPerr(EVP_F_EVP_PKEY_GET0_SIPHASH
, EVP_R_EXPECTING_A_SIPHASH_KEY
);
469 os
= EVP_PKEY_get0(pkey
);
475 # ifndef OPENSSL_NO_RSA
476 int EVP_PKEY_set1_RSA(EVP_PKEY
*pkey
, RSA
*key
)
478 int ret
= EVP_PKEY_assign_RSA(pkey
, key
);
484 RSA
*EVP_PKEY_get0_RSA(const EVP_PKEY
*pkey
)
486 if (pkey
->type
!= EVP_PKEY_RSA
&& pkey
->type
!= EVP_PKEY_RSA_PSS
) {
487 EVPerr(EVP_F_EVP_PKEY_GET0_RSA
, EVP_R_EXPECTING_AN_RSA_KEY
);
490 return pkey
->pkey
.rsa
;
493 RSA
*EVP_PKEY_get1_RSA(EVP_PKEY
*pkey
)
495 RSA
*ret
= EVP_PKEY_get0_RSA(pkey
);
502 # ifndef OPENSSL_NO_DSA
503 int EVP_PKEY_set1_DSA(EVP_PKEY
*pkey
, DSA
*key
)
505 int ret
= EVP_PKEY_assign_DSA(pkey
, key
);
511 DSA
*EVP_PKEY_get0_DSA(const EVP_PKEY
*pkey
)
513 if (pkey
->type
!= EVP_PKEY_DSA
) {
514 EVPerr(EVP_F_EVP_PKEY_GET0_DSA
, EVP_R_EXPECTING_A_DSA_KEY
);
517 return pkey
->pkey
.dsa
;
520 DSA
*EVP_PKEY_get1_DSA(EVP_PKEY
*pkey
)
522 DSA
*ret
= EVP_PKEY_get0_DSA(pkey
);
529 # ifndef OPENSSL_NO_EC
531 int EVP_PKEY_set1_EC_KEY(EVP_PKEY
*pkey
, EC_KEY
*key
)
533 int ret
= EVP_PKEY_assign_EC_KEY(pkey
, key
);
539 EC_KEY
*EVP_PKEY_get0_EC_KEY(const EVP_PKEY
*pkey
)
541 if (EVP_PKEY_base_id(pkey
) != EVP_PKEY_EC
) {
542 EVPerr(EVP_F_EVP_PKEY_GET0_EC_KEY
, EVP_R_EXPECTING_A_EC_KEY
);
545 return pkey
->pkey
.ec
;
548 EC_KEY
*EVP_PKEY_get1_EC_KEY(EVP_PKEY
*pkey
)
550 EC_KEY
*ret
= EVP_PKEY_get0_EC_KEY(pkey
);
557 # ifndef OPENSSL_NO_DH
559 int EVP_PKEY_set1_DH(EVP_PKEY
*pkey
, DH
*key
)
561 int type
= DH_get0_q(key
) == NULL
? EVP_PKEY_DH
: EVP_PKEY_DHX
;
562 int ret
= EVP_PKEY_assign(pkey
, type
, key
);
569 DH
*EVP_PKEY_get0_DH(const EVP_PKEY
*pkey
)
571 if (pkey
->type
!= EVP_PKEY_DH
&& pkey
->type
!= EVP_PKEY_DHX
) {
572 EVPerr(EVP_F_EVP_PKEY_GET0_DH
, EVP_R_EXPECTING_A_DH_KEY
);
575 return pkey
->pkey
.dh
;
578 DH
*EVP_PKEY_get1_DH(EVP_PKEY
*pkey
)
580 DH
*ret
= EVP_PKEY_get0_DH(pkey
);
587 int EVP_PKEY_type(int type
)
590 const EVP_PKEY_ASN1_METHOD
*ameth
;
592 ameth
= EVP_PKEY_asn1_find(&e
, type
);
594 ret
= ameth
->pkey_id
;
597 # ifndef OPENSSL_NO_ENGINE
603 int EVP_PKEY_id(const EVP_PKEY
*pkey
)
608 int EVP_PKEY_base_id(const EVP_PKEY
*pkey
)
610 return EVP_PKEY_type(pkey
->type
);
614 static int print_reset_indent(BIO
**out
, int pop_f_prefix
, long saved_indent
)
616 BIO_set_indent(*out
, saved_indent
);
618 BIO
*next
= BIO_pop(*out
);
626 static int print_set_indent(BIO
**out
, int *pop_f_prefix
, long *saved_indent
,
632 long i
= BIO_get_indent(*out
);
634 *saved_indent
= (i
< 0 ? 0 : i
);
635 if (BIO_set_indent(*out
, indent
) <= 0) {
636 if ((*out
= BIO_push(BIO_new(BIO_f_prefix()), *out
)) == NULL
)
640 if (BIO_set_indent(*out
, indent
) <= 0) {
641 print_reset_indent(out
, *pop_f_prefix
, *saved_indent
);
648 static int unsup_alg(BIO
*out
, const EVP_PKEY
*pkey
, int indent
,
651 return BIO_indent(out
, indent
, 128)
652 && BIO_printf(out
, "%s algorithm \"%s\" unsupported\n",
653 kstr
, OBJ_nid2ln(pkey
->type
)) > 0;
656 static int print_pkey(const EVP_PKEY
*pkey
, BIO
*out
, int indent
,
657 const char *propquery
/* For provided serialization */,
658 int (*legacy_print
)(BIO
*out
, const EVP_PKEY
*pkey
,
659 int indent
, ASN1_PCTX
*pctx
),
660 ASN1_PCTX
*legacy_pctx
/* For legacy print */)
664 OSSL_SERIALIZER_CTX
*ctx
= NULL
;
665 int ret
= -2; /* default to unsupported */
667 if (!print_set_indent(&out
, &pop_f_prefix
, &saved_indent
, indent
))
670 ctx
= OSSL_SERIALIZER_CTX_new_by_EVP_PKEY(pkey
, propquery
);
671 if (OSSL_SERIALIZER_CTX_get_serializer(ctx
) != NULL
)
672 ret
= OSSL_SERIALIZER_to_bio(ctx
, out
);
673 OSSL_SERIALIZER_CTX_free(ctx
);
678 /* legacy fallback */
679 if (legacy_print
!= NULL
)
680 ret
= legacy_print(out
, pkey
, 0, legacy_pctx
);
682 ret
= unsup_alg(out
, pkey
, 0, "Public Key");
685 print_reset_indent(&out
, pop_f_prefix
, saved_indent
);
689 int EVP_PKEY_print_public(BIO
*out
, const EVP_PKEY
*pkey
,
690 int indent
, ASN1_PCTX
*pctx
)
692 return print_pkey(pkey
, out
, indent
, OSSL_SERIALIZER_PUBKEY_TO_TEXT_PQ
,
693 (pkey
->ameth
!= NULL
? pkey
->ameth
->pub_print
: NULL
),
697 int EVP_PKEY_print_private(BIO
*out
, const EVP_PKEY
*pkey
,
698 int indent
, ASN1_PCTX
*pctx
)
700 return print_pkey(pkey
, out
, indent
, OSSL_SERIALIZER_PrivateKey_TO_TEXT_PQ
,
701 (pkey
->ameth
!= NULL
? pkey
->ameth
->priv_print
: NULL
),
705 int EVP_PKEY_print_params(BIO
*out
, const EVP_PKEY
*pkey
,
706 int indent
, ASN1_PCTX
*pctx
)
708 return print_pkey(pkey
, out
, indent
, OSSL_SERIALIZER_Parameters_TO_TEXT_PQ
,
709 (pkey
->ameth
!= NULL
? pkey
->ameth
->param_print
: NULL
),
713 static int legacy_asn1_ctrl_to_param(EVP_PKEY
*pkey
, int op
,
714 int arg1
, void *arg2
)
716 if (pkey
->pkeys
[0].keymgmt
== NULL
)
719 case ASN1_PKEY_CTRL_DEFAULT_MD_NID
:
721 char mdname
[80] = "";
723 int rv
= EVP_PKEY_get_default_digest_name(pkey
, mdname
,
728 nid
= OBJ_sn2nid(mdname
);
729 if (nid
== NID_undef
)
730 nid
= OBJ_ln2nid(mdname
);
731 if (nid
== NID_undef
)
741 static int evp_pkey_asn1_ctrl(EVP_PKEY
*pkey
, int op
, int arg1
, void *arg2
)
743 if (pkey
->ameth
== NULL
)
744 return legacy_asn1_ctrl_to_param(pkey
, op
, arg1
, arg2
);
745 if (pkey
->ameth
->pkey_ctrl
== NULL
)
747 return pkey
->ameth
->pkey_ctrl(pkey
, op
, arg1
, arg2
);
750 int EVP_PKEY_get_default_digest_nid(EVP_PKEY
*pkey
, int *pnid
)
752 return evp_pkey_asn1_ctrl(pkey
, ASN1_PKEY_CTRL_DEFAULT_MD_NID
, 0, pnid
);
755 int EVP_PKEY_get_default_digest_name(EVP_PKEY
*pkey
,
756 char *mdname
, size_t mdname_sz
)
758 if (pkey
->ameth
== NULL
) {
759 OSSL_PARAM params
[3];
760 char mddefault
[100] = "";
761 char mdmandatory
[100] = "";
764 OSSL_PARAM_construct_utf8_string(OSSL_PKEY_PARAM_DEFAULT_DIGEST
,
765 mddefault
, sizeof(mddefault
));
767 OSSL_PARAM_construct_utf8_string(OSSL_PKEY_PARAM_MANDATORY_DIGEST
,
769 sizeof(mdmandatory
));
770 params
[2] = OSSL_PARAM_construct_end();
771 if (!evp_keymgmt_get_params(pkey
->pkeys
[0].keymgmt
,
772 pkey
->pkeys
[0].keydata
,
775 if (mdmandatory
[0] != '\0') {
776 OPENSSL_strlcpy(mdname
, mdmandatory
, mdname_sz
);
779 OPENSSL_strlcpy(mdname
, mddefault
, mdname_sz
);
785 int rv
= EVP_PKEY_get_default_digest_nid(pkey
, &nid
);
786 const char *name
= rv
> 0 ? OBJ_nid2sn(nid
) : NULL
;
789 OPENSSL_strlcpy(mdname
, name
, mdname_sz
);
794 int EVP_PKEY_supports_digest_nid(EVP_PKEY
*pkey
, int nid
)
798 rv
= evp_pkey_asn1_ctrl(pkey
, ASN1_PKEY_CTRL_SUPPORTS_MD_NID
, nid
, NULL
);
801 * If there is a mandatory default digest and this isn't it, then
802 * the answer is 'no'.
804 rv
= EVP_PKEY_get_default_digest_nid(pkey
, &default_nid
);
806 return (nid
== default_nid
);
807 /* zero is an error from EVP_PKEY_get_default_digest_nid() */
814 int EVP_PKEY_set1_tls_encodedpoint(EVP_PKEY
*pkey
,
815 const unsigned char *pt
, size_t ptlen
)
819 if (evp_pkey_asn1_ctrl(pkey
, ASN1_PKEY_CTRL_SET1_TLS_ENCPT
, ptlen
,
825 size_t EVP_PKEY_get1_tls_encodedpoint(EVP_PKEY
*pkey
, unsigned char **ppt
)
828 rv
= evp_pkey_asn1_ctrl(pkey
, ASN1_PKEY_CTRL_GET1_TLS_ENCPT
, 0, ppt
);
834 #endif /* FIPS_MODE */
836 /*- All methods below can also be used in FIPS_MODE */
838 EVP_PKEY
*EVP_PKEY_new(void)
840 EVP_PKEY
*ret
= OPENSSL_zalloc(sizeof(*ret
));
843 EVPerr(EVP_F_EVP_PKEY_NEW
, ERR_R_MALLOC_FAILURE
);
846 ret
->type
= EVP_PKEY_NONE
;
847 ret
->save_type
= EVP_PKEY_NONE
;
849 ret
->save_parameters
= 1;
850 ret
->lock
= CRYPTO_THREAD_lock_new();
851 if (ret
->lock
== NULL
) {
852 EVPerr(EVP_F_EVP_PKEY_NEW
, ERR_R_MALLOC_FAILURE
);
859 int EVP_PKEY_up_ref(EVP_PKEY
*pkey
)
863 if (CRYPTO_UP_REF(&pkey
->references
, &i
, pkey
->lock
) <= 0)
866 REF_PRINT_COUNT("EVP_PKEY", pkey
);
867 REF_ASSERT_ISNT(i
< 2);
868 return ((i
> 1) ? 1 : 0);
871 static void evp_pkey_free_it(EVP_PKEY
*x
)
873 /* internal function; x is never NULL */
875 evp_keymgmt_util_clear_pkey_cache(x
);
877 if (x
->ameth
&& x
->ameth
->pkey_free
) {
878 x
->ameth
->pkey_free(x
);
881 #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODE)
882 ENGINE_finish(x
->engine
);
884 ENGINE_finish(x
->pmeth_engine
);
885 x
->pmeth_engine
= NULL
;
889 void EVP_PKEY_free(EVP_PKEY
*x
)
896 CRYPTO_DOWN_REF(&x
->references
, &i
, x
->lock
);
897 REF_PRINT_COUNT("EVP_PKEY", x
);
900 REF_ASSERT_ISNT(i
< 0);
902 CRYPTO_THREAD_lock_free(x
->lock
);
904 sk_X509_ATTRIBUTE_pop_free(x
->attributes
, X509_ATTRIBUTE_free
);
909 int EVP_PKEY_size(const EVP_PKEY
*pkey
)
912 if (pkey
->ameth
== NULL
)
913 return pkey
->cache
.size
;
914 else if (pkey
->ameth
->pkey_size
!= NULL
)
915 return pkey
->ameth
->pkey_size(pkey
);
920 void *evp_pkey_make_provided(EVP_PKEY
*pk
, OPENSSL_CTX
*libctx
,
921 EVP_KEYMGMT
**keymgmt
, const char *propquery
)
923 EVP_KEYMGMT
*allocated_keymgmt
= NULL
;
924 EVP_KEYMGMT
*tmp_keymgmt
= NULL
;
925 void *keydata
= NULL
;
930 if (keymgmt
!= NULL
) {
931 tmp_keymgmt
= *keymgmt
;
935 if (tmp_keymgmt
== NULL
) {
936 EVP_PKEY_CTX
*ctx
= EVP_PKEY_CTX_new_from_pkey(libctx
, pk
, propquery
);
938 if (ctx
!= NULL
&& ctx
->keytype
!= NULL
)
939 tmp_keymgmt
= allocated_keymgmt
=
940 EVP_KEYMGMT_fetch(ctx
->libctx
, ctx
->keytype
, propquery
);
941 EVP_PKEY_CTX_free(ctx
);
944 if (tmp_keymgmt
!= NULL
)
946 evp_keymgmt_util_export_to_provider(pk
, tmp_keymgmt
);
949 * If nothing was exported, |tmp_keymgmt| might point at a freed
950 * EVP_KEYMGMT, so we clear it to be safe. It shouldn't be useful for
951 * the caller either way in that case.
957 *keymgmt
= tmp_keymgmt
;
959 EVP_KEYMGMT_free(allocated_keymgmt
);