Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/libressl/src/crypto/evp/p_open.c |
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1 | /* $OpenBSD: p_open.c,v 1.19 2017/05/02 03:59:44 deraadt 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 | #include <string.h> | - | ||||||||||||
61 | - | |||||||||||||
62 | #include <openssl/opensslconf.h> | - | ||||||||||||
63 | - | |||||||||||||
64 | #ifndef OPENSSL_NO_RSA | - | ||||||||||||
65 | - | |||||||||||||
66 | #include <openssl/err.h> | - | ||||||||||||
67 | #include <openssl/evp.h> | - | ||||||||||||
68 | #include <openssl/objects.h> | - | ||||||||||||
69 | #include <openssl/rsa.h> | - | ||||||||||||
70 | #include <openssl/x509.h> | - | ||||||||||||
71 | - | |||||||||||||
72 | int | - | ||||||||||||
73 | EVP_OpenInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type, | - | ||||||||||||
74 | const unsigned char *ek, int ekl, const unsigned char *iv, EVP_PKEY *priv) | - | ||||||||||||
75 | { | - | ||||||||||||
76 | unsigned char *key = NULL; | - | ||||||||||||
77 | int i, size = 0, ret = 0; | - | ||||||||||||
78 | - | |||||||||||||
79 | if (type) {
| 0 | ||||||||||||
80 | EVP_CIPHER_CTX_init(ctx); | - | ||||||||||||
81 | if (!EVP_DecryptInit_ex(ctx, type, NULL, NULL, NULL))
| 0 | ||||||||||||
82 | return 0; never executed: return 0; | 0 | ||||||||||||
83 | } never executed: end of block | 0 | ||||||||||||
84 | - | |||||||||||||
85 | if (!priv)
| 0 | ||||||||||||
86 | return 1; never executed: return 1; | 0 | ||||||||||||
87 | - | |||||||||||||
88 | if (priv->type != EVP_PKEY_RSA) {
| 0 | ||||||||||||
89 | EVPerror(EVP_R_PUBLIC_KEY_NOT_RSA); | - | ||||||||||||
90 | goto err; never executed: goto err; | 0 | ||||||||||||
91 | } | - | ||||||||||||
92 | - | |||||||||||||
93 | size = RSA_size(priv->pkey.rsa); | - | ||||||||||||
94 | key = malloc(size + 2); | - | ||||||||||||
95 | if (key == NULL) {
| 0 | ||||||||||||
96 | /* ERROR */ | - | ||||||||||||
97 | EVPerror(ERR_R_MALLOC_FAILURE); | - | ||||||||||||
98 | goto err; never executed: goto err; | 0 | ||||||||||||
99 | } | - | ||||||||||||
100 | - | |||||||||||||
101 | i = EVP_PKEY_decrypt_old(key, ek, ekl, priv); | - | ||||||||||||
102 | if ((i <= 0) || !EVP_CIPHER_CTX_set_key_length(ctx, i)) {
| 0 | ||||||||||||
103 | /* ERROR */ | - | ||||||||||||
104 | goto err; never executed: goto err; | 0 | ||||||||||||
105 | } | - | ||||||||||||
106 | if (!EVP_DecryptInit_ex(ctx, NULL, NULL, key, iv))
| 0 | ||||||||||||
107 | goto err; never executed: goto err; | 0 | ||||||||||||
108 | - | |||||||||||||
109 | ret = 1; | - | ||||||||||||
110 | - | |||||||||||||
111 | err: code before this statement never executed: err: | 0 | ||||||||||||
112 | freezero(key, size); | - | ||||||||||||
113 | return (ret); never executed: return (ret); | 0 | ||||||||||||
114 | } | - | ||||||||||||
115 | - | |||||||||||||
116 | int | - | ||||||||||||
117 | EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl) | - | ||||||||||||
118 | { | - | ||||||||||||
119 | int i; | - | ||||||||||||
120 | - | |||||||||||||
121 | i = EVP_DecryptFinal_ex(ctx, out, outl); | - | ||||||||||||
122 | if (i)
| 0 | ||||||||||||
123 | i = EVP_DecryptInit_ex(ctx, NULL, NULL, NULL, NULL); never executed: i = EVP_DecryptInit_ex(ctx, ((void *)0) , ((void *)0) , ((void *)0) , ((void *)0) ); | 0 | ||||||||||||
124 | return (i); never executed: return (i); | 0 | ||||||||||||
125 | } | - | ||||||||||||
126 | #endif | - | ||||||||||||
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