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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. | |
8 | * | |
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). | |
15 | * | |
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. | |
22 | * | |
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 :-). | |
37 | * 4. If you include any Windows specific code (or a derivative thereof) from | |
38 | * the apps directory (application code) you must include an acknowledgement: | |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
40 | * | |
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. | |
52 | * | |
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 |
bb2297a4 | 66 | #include <openssl/rsa.h> |
322de0c8 DSH |
67 | #endif |
68 | #ifndef OPENSSL_NO_DSA | |
bb2297a4 | 69 | #include <openssl/dsa.h> |
322de0c8 | 70 | #endif |
14a7cfb3 BM |
71 | #ifndef OPENSSL_NO_EC |
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, |
6343829a | 76 | long length) |
d02b48c6 RE |
77 | { |
78 | EVP_PKEY *ret; | |
79 | ||
80 | if ((a == NULL) || (*a == NULL)) | |
81 | { | |
82 | if ((ret=EVP_PKEY_new()) == NULL) | |
83 | { | |
84 | ASN1err(ASN1_F_D2I_PUBLICKEY,ERR_R_EVP_LIB); | |
85 | return(NULL); | |
86 | } | |
87 | } | |
88 | else ret= *a; | |
89 | ||
c18e51ba DSH |
90 | if (!EVP_PKEY_set_type(ret, type)) |
91 | { | |
92 | ASN1err(ASN1_F_D2I_PUBLICKEY,ERR_R_EVP_LIB); | |
93 | goto err; | |
94 | } | |
95 | ||
96 | switch (EVP_PKEY_id(ret)) | |
d02b48c6 | 97 | { |
cf1b7d96 | 98 | #ifndef OPENSSL_NO_RSA |
d02b48c6 | 99 | case EVP_PKEY_RSA: |
b853717f | 100 | /* TMP UGLY CAST */ |
7081f3bd | 101 | if ((ret->pkey.rsa=d2i_RSAPublicKey(NULL, |
b853717f | 102 | (const unsigned char **)pp,length)) == NULL) |
d02b48c6 RE |
103 | { |
104 | ASN1err(ASN1_F_D2I_PUBLICKEY,ERR_R_ASN1_LIB); | |
105 | goto err; | |
106 | } | |
107 | break; | |
108 | #endif | |
cf1b7d96 | 109 | #ifndef OPENSSL_NO_DSA |
d02b48c6 | 110 | case EVP_PKEY_DSA: |
b853717f | 111 | /* TMP UGLY CAST */ |
f7a397cc | 112 | if (!d2i_DSAPublicKey(&(ret->pkey.dsa), |
b853717f | 113 | (const unsigned char **)pp,length)) |
d02b48c6 RE |
114 | { |
115 | ASN1err(ASN1_F_D2I_PUBLICKEY,ERR_R_ASN1_LIB); | |
116 | goto err; | |
117 | } | |
118 | break; | |
4d94ae00 | 119 | #endif |
14a7cfb3 BM |
120 | #ifndef OPENSSL_NO_EC |
121 | case EVP_PKEY_EC: | |
9dd84053 | 122 | if (!o2i_ECPublicKey(&(ret->pkey.ec), |
f7a397cc | 123 | (const unsigned char **)pp, length)) |
4d94ae00 BM |
124 | { |
125 | ASN1err(ASN1_F_D2I_PUBLICKEY, ERR_R_ASN1_LIB); | |
126 | goto err; | |
127 | } | |
128 | break; | |
d02b48c6 RE |
129 | #endif |
130 | default: | |
131 | ASN1err(ASN1_F_D2I_PUBLICKEY,ASN1_R_UNKNOWN_PUBLIC_KEY_TYPE); | |
132 | goto err; | |
dfeab068 | 133 | /* break; */ |
d02b48c6 RE |
134 | } |
135 | if (a != NULL) (*a)=ret; | |
136 | return(ret); | |
137 | err: | |
138 | if ((ret != NULL) && ((a == NULL) || (*a != ret))) EVP_PKEY_free(ret); | |
139 | return(NULL); | |
140 | } | |
141 |