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d02b48c6 | 1 | /* crypto/asn1/d2i_pu.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
3 | * All rights reserved. |
4 | * | |
5 | * This package is an SSL implementation written | |
6 | * by Eric Young (eay@cryptsoft.com). | |
7 | * The implementation was written so as to conform with Netscapes SSL. | |
0f113f3e | 8 | * |
d02b48c6 RE |
9 | * This library is free for commercial and non-commercial use as long as |
10 | * the following conditions are aheared to. The following conditions | |
11 | * apply to all code found in this distribution, be it the RC4, RSA, | |
12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
13 | * included with this distribution is covered by the same copyright terms | |
14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
0f113f3e | 15 | * |
d02b48c6 RE |
16 | * Copyright remains Eric Young's, and as such any Copyright notices in |
17 | * the code are not to be removed. | |
18 | * If this package is used in a product, Eric Young should be given attribution | |
19 | * as the author of the parts of the library used. | |
20 | * This can be in the form of a textual message at program startup or | |
21 | * in documentation (online or textual) provided with the package. | |
0f113f3e | 22 | * |
d02b48c6 RE |
23 | * Redistribution and use in source and binary forms, with or without |
24 | * modification, are permitted provided that the following conditions | |
25 | * are met: | |
26 | * 1. Redistributions of source code must retain the copyright | |
27 | * notice, this list of conditions and the following disclaimer. | |
28 | * 2. Redistributions in binary form must reproduce the above copyright | |
29 | * notice, this list of conditions and the following disclaimer in the | |
30 | * documentation and/or other materials provided with the distribution. | |
31 | * 3. All advertising materials mentioning features or use of this software | |
32 | * must display the following acknowledgement: | |
33 | * "This product includes cryptographic software written by | |
34 | * Eric Young (eay@cryptsoft.com)" | |
35 | * The word 'cryptographic' can be left out if the rouines from the library | |
36 | * being used are not cryptographic related :-). | |
0f113f3e | 37 | * 4. If you include any Windows specific code (or a derivative thereof) from |
d02b48c6 RE |
38 | * the apps directory (application code) you must include an acknowledgement: |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
0f113f3e | 40 | * |
d02b48c6 RE |
41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
51 | * SUCH DAMAGE. | |
0f113f3e | 52 | * |
d02b48c6 RE |
53 | * The licence and distribution terms for any publically available version or |
54 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
55 | * copied and put under another distribution licence | |
56 | * [including the GNU Public Licence.] | |
57 | */ | |
58 | ||
59 | #include <stdio.h> | |
60 | #include "cryptlib.h" | |
ec577822 BM |
61 | #include <openssl/bn.h> |
62 | #include <openssl/evp.h> | |
63 | #include <openssl/objects.h> | |
f66c3032 | 64 | #include <openssl/asn1.h> |
322de0c8 | 65 | #ifndef OPENSSL_NO_RSA |
0f113f3e | 66 | # include <openssl/rsa.h> |
322de0c8 DSH |
67 | #endif |
68 | #ifndef OPENSSL_NO_DSA | |
0f113f3e | 69 | # include <openssl/dsa.h> |
322de0c8 | 70 | #endif |
14a7cfb3 | 71 | #ifndef OPENSSL_NO_EC |
0f113f3e | 72 | # include <openssl/ec.h> |
4d94ae00 | 73 | #endif |
d02b48c6 | 74 | |
875a644a | 75 | EVP_PKEY *d2i_PublicKey(int type, EVP_PKEY **a, const unsigned char **pp, |
0f113f3e MC |
76 | long length) |
77 | { | |
78 | EVP_PKEY *ret; | |
d02b48c6 | 79 | |
0f113f3e MC |
80 | if ((a == NULL) || (*a == NULL)) { |
81 | if ((ret = EVP_PKEY_new()) == NULL) { | |
82 | ASN1err(ASN1_F_D2I_PUBLICKEY, ERR_R_EVP_LIB); | |
83 | return (NULL); | |
84 | } | |
85 | } else | |
86 | ret = *a; | |
d02b48c6 | 87 | |
0f113f3e MC |
88 | if (!EVP_PKEY_set_type(ret, type)) { |
89 | ASN1err(ASN1_F_D2I_PUBLICKEY, ERR_R_EVP_LIB); | |
90 | goto err; | |
91 | } | |
c18e51ba | 92 | |
0f113f3e | 93 | switch (EVP_PKEY_id(ret)) { |
cf1b7d96 | 94 | #ifndef OPENSSL_NO_RSA |
0f113f3e MC |
95 | case EVP_PKEY_RSA: |
96 | /* TMP UGLY CAST */ | |
97 | if ((ret->pkey.rsa = d2i_RSAPublicKey(NULL, | |
98 | (const unsigned char **)pp, | |
99 | length)) == NULL) { | |
100 | ASN1err(ASN1_F_D2I_PUBLICKEY, ERR_R_ASN1_LIB); | |
101 | goto err; | |
102 | } | |
103 | break; | |
d02b48c6 | 104 | #endif |
cf1b7d96 | 105 | #ifndef OPENSSL_NO_DSA |
0f113f3e MC |
106 | case EVP_PKEY_DSA: |
107 | /* TMP UGLY CAST */ | |
108 | if (!d2i_DSAPublicKey(&(ret->pkey.dsa), | |
109 | (const unsigned char **)pp, length)) { | |
110 | ASN1err(ASN1_F_D2I_PUBLICKEY, ERR_R_ASN1_LIB); | |
111 | goto err; | |
112 | } | |
113 | break; | |
4d94ae00 | 114 | #endif |
14a7cfb3 | 115 | #ifndef OPENSSL_NO_EC |
0f113f3e MC |
116 | case EVP_PKEY_EC: |
117 | if (!o2i_ECPublicKey(&(ret->pkey.ec), | |
118 | (const unsigned char **)pp, length)) { | |
119 | ASN1err(ASN1_F_D2I_PUBLICKEY, ERR_R_ASN1_LIB); | |
120 | goto err; | |
121 | } | |
122 | break; | |
d02b48c6 | 123 | #endif |
0f113f3e MC |
124 | default: |
125 | ASN1err(ASN1_F_D2I_PUBLICKEY, ASN1_R_UNKNOWN_PUBLIC_KEY_TYPE); | |
126 | goto err; | |
127 | /* break; */ | |
128 | } | |
129 | if (a != NULL) | |
130 | (*a) = ret; | |
131 | return (ret); | |
132 | err: | |
133 | if ((ret != NULL) && ((a == NULL) || (*a != ret))) | |
134 | EVP_PKEY_free(ret); | |
135 | return (NULL); | |
136 | } |