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Commit | Line | Data |
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2039c421 RS |
1 | /* |
2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. | |
d02b48c6 | 3 | * |
365a2d99 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
2039c421 RS |
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 | |
d02b48c6 RE |
8 | */ |
9 | ||
10 | #include <stdio.h> | |
b39fc560 | 11 | #include "internal/cryptlib.h" |
ec577822 BM |
12 | #include <openssl/bn.h> |
13 | #include <openssl/evp.h> | |
14 | #include <openssl/objects.h> | |
f66c3032 | 15 | #include <openssl/asn1.h> |
3c27208f RS |
16 | #include <openssl/rsa.h> |
17 | #include <openssl/dsa.h> | |
18 | #include <openssl/ec.h> | |
d02b48c6 | 19 | |
3aeb9348 DSH |
20 | #include "internal/evp_int.h" |
21 | ||
875a644a | 22 | EVP_PKEY *d2i_PublicKey(int type, EVP_PKEY **a, const unsigned char **pp, |
0f113f3e MC |
23 | long length) |
24 | { | |
25 | EVP_PKEY *ret; | |
d02b48c6 | 26 | |
0f113f3e MC |
27 | if ((a == NULL) || (*a == NULL)) { |
28 | if ((ret = EVP_PKEY_new()) == NULL) { | |
29 | ASN1err(ASN1_F_D2I_PUBLICKEY, ERR_R_EVP_LIB); | |
26a7d938 | 30 | return NULL; |
0f113f3e MC |
31 | } |
32 | } else | |
33 | ret = *a; | |
d02b48c6 | 34 | |
2aa2beb0 | 35 | if (type != EVP_PKEY_id(ret) && !EVP_PKEY_set_type(ret, type)) { |
0f113f3e MC |
36 | ASN1err(ASN1_F_D2I_PUBLICKEY, ERR_R_EVP_LIB); |
37 | goto err; | |
38 | } | |
c18e51ba | 39 | |
0f113f3e | 40 | switch (EVP_PKEY_id(ret)) { |
cf1b7d96 | 41 | #ifndef OPENSSL_NO_RSA |
0f113f3e | 42 | case EVP_PKEY_RSA: |
3aeb9348 | 43 | if ((ret->pkey.rsa = d2i_RSAPublicKey(NULL, pp, length)) == NULL) { |
0f113f3e MC |
44 | ASN1err(ASN1_F_D2I_PUBLICKEY, ERR_R_ASN1_LIB); |
45 | goto err; | |
46 | } | |
47 | break; | |
d02b48c6 | 48 | #endif |
cf1b7d96 | 49 | #ifndef OPENSSL_NO_DSA |
0f113f3e MC |
50 | case EVP_PKEY_DSA: |
51 | /* TMP UGLY CAST */ | |
3aeb9348 | 52 | if (!d2i_DSAPublicKey(&ret->pkey.dsa, pp, length)) { |
0f113f3e MC |
53 | ASN1err(ASN1_F_D2I_PUBLICKEY, ERR_R_ASN1_LIB); |
54 | goto err; | |
55 | } | |
56 | break; | |
4d94ae00 | 57 | #endif |
14a7cfb3 | 58 | #ifndef OPENSSL_NO_EC |
0f113f3e | 59 | case EVP_PKEY_EC: |
3aeb9348 | 60 | if (!o2i_ECPublicKey(&ret->pkey.ec, pp, length)) { |
0f113f3e MC |
61 | ASN1err(ASN1_F_D2I_PUBLICKEY, ERR_R_ASN1_LIB); |
62 | goto err; | |
63 | } | |
64 | break; | |
d02b48c6 | 65 | #endif |
0f113f3e MC |
66 | default: |
67 | ASN1err(ASN1_F_D2I_PUBLICKEY, ASN1_R_UNKNOWN_PUBLIC_KEY_TYPE); | |
68 | goto err; | |
0f113f3e MC |
69 | } |
70 | if (a != NULL) | |
71 | (*a) = ret; | |
26a7d938 | 72 | return ret; |
0f113f3e | 73 | err: |
c5ba2d99 | 74 | if (a == NULL || *a != ret) |
0f113f3e | 75 | EVP_PKEY_free(ret); |
26a7d938 | 76 | return NULL; |
0f113f3e | 77 | } |