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d2i_pu.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/libressl/src/crypto/asn1/d2i_pu.c
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1/* $OpenBSD: d2i_pu.c,v 1.14 2017/01/29 17:49:22 beck Exp $ */-
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-
61#include <openssl/opensslconf.h>-
62-
63#include <openssl/asn1.h>-
64#include <openssl/bn.h>-
65#include <openssl/err.h>-
66#include <openssl/evp.h>-
67#include <openssl/objects.h>-
68-
69#ifndef OPENSSL_NO_DSA-
70#include <openssl/dsa.h>-
71#endif-
72#ifndef OPENSSL_NO_EC-
73#include <openssl/ec.h>-
74#endif-
75#ifndef OPENSSL_NO_RSA-
76#include <openssl/rsa.h>-
77#endif-
78-
79EVP_PKEY *-
80d2i_PublicKey(int type, EVP_PKEY **a, const unsigned char **pp, long length)-
81{-
82 EVP_PKEY *ret;-
83-
84 if ((a == NULL) || (*a == NULL)) {
(a == ((void *)0) )Description
TRUEnever evaluated
FALSEnever evaluated
(*a == ((void *)0) )Description
TRUEnever evaluated
FALSEnever evaluated
0
85 if ((ret = EVP_PKEY_new()) == NULL) {
(ret = EVP_PKE...== ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
86 ASN1error(ERR_R_EVP_LIB);-
87 return (NULL);
never executed: return ( ((void *)0) );
0
88 }-
89 } else
never executed: end of block
0
90 ret = *a;
never executed: ret = *a;
0
91-
92 if (!EVP_PKEY_set_type(ret, type)) {
!EVP_PKEY_set_type(ret, type)Description
TRUEnever evaluated
FALSEnever evaluated
0
93 ASN1error(ERR_R_EVP_LIB);-
94 goto err;
never executed: goto err;
0
95 }-
96-
97 switch (EVP_PKEY_id(ret)) {-
98#ifndef OPENSSL_NO_RSA-
99 case EVP_PKEY_RSA:
never executed: case 6:
0
100 if ((ret->pkey.rsa = d2i_RSAPublicKey(NULL, pp, length)) ==
(ret->pkey.rsa...== ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
101 NULL) {
(ret->pkey.rsa...== ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
102 ASN1error(ERR_R_ASN1_LIB);-
103 goto err;
never executed: goto err;
0
104 }-
105 break;
never executed: break;
0
106#endif-
107#ifndef OPENSSL_NO_DSA-
108 case EVP_PKEY_DSA:
never executed: case 116:
0
109 if (!d2i_DSAPublicKey(&(ret->pkey.dsa), pp, length)) {
!d2i_DSAPublic...), pp, length)Description
TRUEnever evaluated
FALSEnever evaluated
0
110 ASN1error(ERR_R_ASN1_LIB);-
111 goto err;
never executed: goto err;
0
112 }-
113 break;
never executed: break;
0
114#endif-
115#ifndef OPENSSL_NO_EC-
116 case EVP_PKEY_EC:
never executed: case 408:
0
117 if (!o2i_ECPublicKey(&(ret->pkey.ec), pp, length)) {
!o2i_ECPublicK...), pp, length)Description
TRUEnever evaluated
FALSEnever evaluated
0
118 ASN1error(ERR_R_ASN1_LIB);-
119 goto err;
never executed: goto err;
0
120 }-
121 break;
never executed: break;
0
122#endif-
123 default:
never executed: default:
0
124 ASN1error(ASN1_R_UNKNOWN_PUBLIC_KEY_TYPE);-
125 goto err;
never executed: goto err;
0
126 /* break; */-
127 }-
128 if (a != NULL)
a != ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
129 (*a) = ret;
never executed: (*a) = ret;
0
130 return (ret);
never executed: return (ret);
0
131-
132err:-
133 if (a == NULL || *a != ret)
a == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
*a != retDescription
TRUEnever evaluated
FALSEnever evaluated
0
134 EVP_PKEY_free(ret);
never executed: EVP_PKEY_free(ret);
0
135 return (NULL);
never executed: return ( ((void *)0) );
0
136}-
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