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diff --git a/src/lib/libcrypto/asn1/d2i_pr.c b/src/lib/libcrypto/asn1/d2i_pr.c
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1/* crypto/asn1/d2i_pr.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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"
61#include <openssl/bn.h>
62#include <openssl/evp.h>
63#include <openssl/objects.h>
64#include <openssl/asn1.h>
65#ifndef OPENSSL_NO_RSA
66#include <openssl/rsa.h>
67#endif
68#ifndef OPENSSL_NO_DSA
69#include <openssl/dsa.h>
70#endif
71
72EVP_PKEY *d2i_PrivateKey(int type, EVP_PKEY **a, unsigned char **pp,
73 long length)
74 {
75 EVP_PKEY *ret;
76
77 if ((a == NULL) || (*a == NULL))
78 {
79 if ((ret=EVP_PKEY_new()) == NULL)
80 {
81 ASN1err(ASN1_F_D2I_PRIVATEKEY,ERR_R_EVP_LIB);
82 return(NULL);
83 }
84 }
85 else ret= *a;
86
87 ret->save_type=type;
88 ret->type=EVP_PKEY_type(type);
89 switch (ret->type)
90 {
91#ifndef OPENSSL_NO_RSA
92 case EVP_PKEY_RSA:
93 if ((ret->pkey.rsa=d2i_RSAPrivateKey(NULL,
94 (const unsigned char **)pp,length)) == NULL) /* TMP UGLY CAST */
95 {
96 ASN1err(ASN1_F_D2I_PRIVATEKEY,ERR_R_ASN1_LIB);
97 goto err;
98 }
99 break;
100#endif
101#ifndef OPENSSL_NO_DSA
102 case EVP_PKEY_DSA:
103 if ((ret->pkey.dsa=d2i_DSAPrivateKey(NULL,
104 (const unsigned char **)pp,length)) == NULL) /* TMP UGLY CAST */
105 {
106 ASN1err(ASN1_F_D2I_PRIVATEKEY,ERR_R_ASN1_LIB);
107 goto err;
108 }
109 break;
110#endif
111 default:
112 ASN1err(ASN1_F_D2I_PRIVATEKEY,ASN1_R_UNKNOWN_PUBLIC_KEY_TYPE);
113 goto err;
114 /* break; */
115 }
116 if (a != NULL) (*a)=ret;
117 return(ret);
118err:
119 if ((ret != NULL) && ((a == NULL) || (*a != ret))) EVP_PKEY_free(ret);
120 return(NULL);
121 }
122
123/* This works like d2i_PrivateKey() except it automatically works out the type */
124
125EVP_PKEY *d2i_AutoPrivateKey(EVP_PKEY **a, unsigned char **pp,
126 long length)
127{
128 STACK_OF(ASN1_TYPE) *inkey;
129 unsigned char *p;
130 int keytype;
131 p = *pp;
132 /* Dirty trick: read in the ASN1 data into a STACK_OF(ASN1_TYPE):
133 * by analyzing it we can determine the passed structure: this
134 * assumes the input is surrounded by an ASN1 SEQUENCE.
135 */
136 inkey = d2i_ASN1_SET_OF_ASN1_TYPE(NULL, &p, length, d2i_ASN1_TYPE,
137 ASN1_TYPE_free, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL);
138 /* Since we only need to discern "traditional format" RSA and DSA
139 * keys we can just count the elements.
140 */
141 if(sk_ASN1_TYPE_num(inkey) == 6) keytype = EVP_PKEY_DSA;
142 else keytype = EVP_PKEY_RSA;
143 sk_ASN1_TYPE_pop_free(inkey, ASN1_TYPE_free);
144 return d2i_PrivateKey(keytype, a, pp, length);
145}
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-03-22 15:37:56 +0000