Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/libressl/src/crypto/evp/p_sign.c |
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1 | /* $OpenBSD: p_sign.c,v 1.14 2017/01/29 17:49:23 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/err.h> | - | ||||||
62 | #include <openssl/evp.h> | - | ||||||
63 | #include <openssl/objects.h> | - | ||||||
64 | #include <openssl/x509.h> | - | ||||||
65 | - | |||||||
66 | int | - | ||||||
67 | EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret, unsigned int *siglen, | - | ||||||
68 | EVP_PKEY *pkey) | - | ||||||
69 | { | - | ||||||
70 | unsigned char m[EVP_MAX_MD_SIZE]; | - | ||||||
71 | unsigned int m_len; | - | ||||||
72 | int i = 0, ok = 0, v; | - | ||||||
73 | EVP_MD_CTX tmp_ctx; | - | ||||||
74 | EVP_PKEY_CTX *pkctx = NULL; | - | ||||||
75 | - | |||||||
76 | *siglen = 0; | - | ||||||
77 | EVP_MD_CTX_init(&tmp_ctx); | - | ||||||
78 | if (!EVP_MD_CTX_copy_ex(&tmp_ctx, ctx))
| 0-46 | ||||||
79 | goto err; never executed: goto err; | 0 | ||||||
80 | if (!EVP_DigestFinal_ex(&tmp_ctx, &(m[0]), &m_len))
| 0-46 | ||||||
81 | goto err; never executed: goto err; | 0 | ||||||
82 | EVP_MD_CTX_cleanup(&tmp_ctx); | - | ||||||
83 | - | |||||||
84 | if (ctx->digest->flags & EVP_MD_FLAG_PKEY_METHOD_SIGNATURE) {
| 13-33 | ||||||
85 | size_t sltmp = (size_t)EVP_PKEY_size(pkey); | - | ||||||
86 | i = 0; | - | ||||||
87 | pkctx = EVP_PKEY_CTX_new(pkey, NULL); | - | ||||||
88 | if (!pkctx)
| 0-33 | ||||||
89 | goto err; never executed: goto err; | 0 | ||||||
90 | if (EVP_PKEY_sign_init(pkctx) <= 0)
| 0-33 | ||||||
91 | goto err; never executed: goto err; | 0 | ||||||
92 | if (EVP_PKEY_CTX_set_signature_md(pkctx, ctx->digest) <= 0)
| 0-33 | ||||||
93 | goto err; never executed: goto err; | 0 | ||||||
94 | if (EVP_PKEY_sign(pkctx, sigret, &sltmp, m, m_len) <= 0)
| 0-33 | ||||||
95 | goto err; never executed: goto err; | 0 | ||||||
96 | *siglen = sltmp; | - | ||||||
97 | i = 1; | - | ||||||
98 | err: code before this statement executed 33 times by 3 tests: err: Executed by:
| 33 | ||||||
99 | EVP_PKEY_CTX_free(pkctx); | - | ||||||
100 | return i; executed 33 times by 3 tests: return i; Executed by:
| 33 | ||||||
101 | } | - | ||||||
102 | - | |||||||
103 | for (i = 0; i < 4; i++) {
| 0-13 | ||||||
104 | v = ctx->digest->required_pkey_type[i]; | - | ||||||
105 | if (v == 0)
| 0-13 | ||||||
106 | break; never executed: break; | 0 | ||||||
107 | if (pkey->type == v) {
| 0-13 | ||||||
108 | ok = 1; | - | ||||||
109 | break; executed 13 times by 2 tests: break; Executed by:
| 13 | ||||||
110 | } | - | ||||||
111 | } never executed: end of block | 0 | ||||||
112 | if (!ok) {
| 0-13 | ||||||
113 | EVPerror(EVP_R_WRONG_PUBLIC_KEY_TYPE); | - | ||||||
114 | return (0); never executed: return (0); | 0 | ||||||
115 | } | - | ||||||
116 | - | |||||||
117 | if (ctx->digest->sign == NULL) {
| 0-13 | ||||||
118 | EVPerror(EVP_R_NO_SIGN_FUNCTION_CONFIGURED); | - | ||||||
119 | return (0); never executed: return (0); | 0 | ||||||
120 | } | - | ||||||
121 | return(ctx->digest->sign(ctx->digest->type, m, m_len, sigret, siglen, executed 13 times by 2 tests: return(ctx->digest->sign(ctx->digest->type, m, m_len, sigret, siglen, pkey->pkey.ptr)); Executed by:
| 13 | ||||||
122 | pkey->pkey.ptr)); executed 13 times by 2 tests: return(ctx->digest->sign(ctx->digest->type, m, m_len, sigret, siglen, pkey->pkey.ptr)); Executed by:
| 13 | ||||||
123 | } | - | ||||||
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