2 * Copyright 1995-2022 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 <openssl/bn.h>
19 #include <openssl/evp.h>
20 #include <openssl/objects.h>
21 #include <openssl/asn1.h>
22 #include <openssl/rsa.h>
23 #include <openssl/dsa.h>
24 #include <openssl/ec.h>
26 #include "crypto/evp.h"
28 EVP_PKEY
*d2i_PublicKey(int type
, EVP_PKEY
**a
, const unsigned char **pp
,
32 EVP_PKEY
*copy
= NULL
;
34 if ((a
== NULL
) || (*a
== NULL
)) {
35 if ((ret
= EVP_PKEY_new()) == NULL
) {
36 ERR_raise(ERR_LIB_ASN1
, ERR_R_EVP_LIB
);
43 if (evp_pkey_is_provided(ret
)
44 && EVP_PKEY_get_base_id(ret
) == EVP_PKEY_EC
) {
45 if (!evp_pkey_copy_downgraded(©
, ret
))
51 if ((type
!= EVP_PKEY_get_id(ret
) || copy
!= NULL
)
52 && !EVP_PKEY_set_type(ret
, type
)) {
53 ERR_raise(ERR_LIB_ASN1
, ERR_R_EVP_LIB
);
57 switch (EVP_PKEY_get_base_id(ret
)) {
59 if ((ret
->pkey
.rsa
= d2i_RSAPublicKey(NULL
, pp
, length
)) == NULL
) {
60 ERR_raise(ERR_LIB_ASN1
, ERR_R_ASN1_LIB
);
64 #ifndef OPENSSL_NO_DSA
66 if (!d2i_DSAPublicKey(&ret
->pkey
.dsa
, pp
, length
)) {
67 ERR_raise(ERR_LIB_ASN1
, ERR_R_ASN1_LIB
);
75 /* use downgraded parameters from copy */
76 ret
->pkey
.ec
= copy
->pkey
.ec
;
79 if (!o2i_ECPublicKey(&ret
->pkey
.ec
, pp
, length
)) {
80 ERR_raise(ERR_LIB_ASN1
, ERR_R_ASN1_LIB
);
86 ERR_raise(ERR_LIB_ASN1
, ASN1_R_UNKNOWN_PUBLIC_KEY_TYPE
);
94 if (a
== NULL
|| *a
!= ret
)