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-rw-r--r--src/lib/libcrypto/asn1/a_verify.c186
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diff --git a/src/lib/libcrypto/asn1/a_verify.c b/src/lib/libcrypto/asn1/a_verify.c
deleted file mode 100644
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1/* crypto/asn1/a_verify.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 <time.h>
61
62#include "cryptlib.h"
63
64#ifndef NO_SYS_TYPES_H
65# include <sys/types.h>
66#endif
67
68#include <openssl/bn.h>
69#include <openssl/x509.h>
70#include <openssl/objects.h>
71#include <openssl/buffer.h>
72#include <openssl/evp.h>
73
74#ifndef NO_ASN1_OLD
75
76int ASN1_verify(i2d_of_void *i2d, X509_ALGOR *a, ASN1_BIT_STRING *signature,
77 char *data, EVP_PKEY *pkey)
78 {
79 EVP_MD_CTX ctx;
80 const EVP_MD *type;
81 unsigned char *p,*buf_in=NULL;
82 int ret= -1,i,inl;
83
84 EVP_MD_CTX_init(&ctx);
85 i=OBJ_obj2nid(a->algorithm);
86 type=EVP_get_digestbyname(OBJ_nid2sn(i));
87 if (type == NULL)
88 {
89 ASN1err(ASN1_F_ASN1_VERIFY,ASN1_R_UNKNOWN_MESSAGE_DIGEST_ALGORITHM);
90 goto err;
91 }
92
93 inl=i2d(data,NULL);
94 buf_in=OPENSSL_malloc((unsigned int)inl);
95 if (buf_in == NULL)
96 {
97 ASN1err(ASN1_F_ASN1_VERIFY,ERR_R_MALLOC_FAILURE);
98 goto err;
99 }
100 p=buf_in;
101
102 i2d(data,&p);
103 if (!EVP_VerifyInit_ex(&ctx,type, NULL))
104 {
105 ASN1err(ASN1_F_ASN1_VERIFY,ERR_R_EVP_LIB);
106 ret=0;
107 goto err;
108 }
109 EVP_VerifyUpdate(&ctx,(unsigned char *)buf_in,inl);
110
111 OPENSSL_cleanse(buf_in,(unsigned int)inl);
112 OPENSSL_free(buf_in);
113
114 if (EVP_VerifyFinal(&ctx,(unsigned char *)signature->data,
115 (unsigned int)signature->length,pkey) <= 0)
116 {
117 ASN1err(ASN1_F_ASN1_VERIFY,ERR_R_EVP_LIB);
118 ret=0;
119 goto err;
120 }
121 /* we don't need to zero the 'ctx' because we just checked
122 * public information */
123 /* memset(&ctx,0,sizeof(ctx)); */
124 ret=1;
125err:
126 EVP_MD_CTX_cleanup(&ctx);
127 return(ret);
128 }
129
130#endif
131
132
133int ASN1_item_verify(const ASN1_ITEM *it, X509_ALGOR *a, ASN1_BIT_STRING *signature,
134 void *asn, EVP_PKEY *pkey)
135 {
136 EVP_MD_CTX ctx;
137 const EVP_MD *type;
138 unsigned char *buf_in=NULL;
139 int ret= -1,i,inl;
140
141 EVP_MD_CTX_init(&ctx);
142 i=OBJ_obj2nid(a->algorithm);
143 type=EVP_get_digestbyname(OBJ_nid2sn(i));
144 if (type == NULL)
145 {
146 ASN1err(ASN1_F_ASN1_ITEM_VERIFY,ASN1_R_UNKNOWN_MESSAGE_DIGEST_ALGORITHM);
147 goto err;
148 }
149
150 if (!EVP_VerifyInit_ex(&ctx,type, NULL))
151 {
152 ASN1err(ASN1_F_ASN1_ITEM_VERIFY,ERR_R_EVP_LIB);
153 ret=0;
154 goto err;
155 }
156
157 inl = ASN1_item_i2d(asn, &buf_in, it);
158
159 if (buf_in == NULL)
160 {
161 ASN1err(ASN1_F_ASN1_ITEM_VERIFY,ERR_R_MALLOC_FAILURE);
162 goto err;
163 }
164
165 EVP_VerifyUpdate(&ctx,(unsigned char *)buf_in,inl);
166
167 OPENSSL_cleanse(buf_in,(unsigned int)inl);
168 OPENSSL_free(buf_in);
169
170 if (EVP_VerifyFinal(&ctx,(unsigned char *)signature->data,
171 (unsigned int)signature->length,pkey) <= 0)
172 {
173 ASN1err(ASN1_F_ASN1_ITEM_VERIFY,ERR_R_EVP_LIB);
174 ret=0;
175 goto err;
176 }
177 /* we don't need to zero the 'ctx' because we just checked
178 * public information */
179 /* memset(&ctx,0,sizeof(ctx)); */
180 ret=1;
181err:
182 EVP_MD_CTX_cleanup(&ctx);
183 return(ret);
184 }
185
186
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