1 /*
2 * libwebsockets - small server side websockets and web server implementation
3 *
4 * Copyright (C) 2010 - 2019 Andy Green <andy@warmcat.com>
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to
8 * deal in the Software without restriction, including without limitation the
9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
22 * IN THE SOFTWARE.
23 *
24 * lws-gencrypto openssl-specific common code
25 */
26
27 #include "private-lib-core.h"
28 #include "private-lib-tls-openssl.h"
29
30 /*
31 * Care: many openssl apis return 1 for success. These are translated to the
32 * lws convention of 0 for success.
33 */
34
35 int
lws_gencrypto_openssl_hash_to_NID(enum lws_genhash_types hash_type)36 lws_gencrypto_openssl_hash_to_NID(enum lws_genhash_types hash_type)
37 {
38 int h = -1;
39
40 switch (hash_type) {
41 case LWS_GENHASH_TYPE_UNKNOWN:
42 break;
43 case LWS_GENHASH_TYPE_MD5:
44 h = NID_md5;
45 break;
46 case LWS_GENHASH_TYPE_SHA1:
47 h = NID_sha1;
48 break;
49 case LWS_GENHASH_TYPE_SHA256:
50 h = NID_sha256;
51 break;
52 case LWS_GENHASH_TYPE_SHA384:
53 h = NID_sha384;
54 break;
55 case LWS_GENHASH_TYPE_SHA512:
56 h = NID_sha512;
57 break;
58 }
59
60 return h;
61 }
62
63 const EVP_MD *
lws_gencrypto_openssl_hash_to_EVP_MD(enum lws_genhash_types hash_type)64 lws_gencrypto_openssl_hash_to_EVP_MD(enum lws_genhash_types hash_type)
65 {
66 const EVP_MD *h = NULL;
67
68 switch (hash_type) {
69 case LWS_GENHASH_TYPE_UNKNOWN:
70 break;
71 case LWS_GENHASH_TYPE_MD5:
72 h = EVP_md5();
73 break;
74 case LWS_GENHASH_TYPE_SHA1:
75 h = EVP_sha1();
76 break;
77 case LWS_GENHASH_TYPE_SHA256:
78 h = EVP_sha256();
79 break;
80 case LWS_GENHASH_TYPE_SHA384:
81 h = EVP_sha384();
82 break;
83 case LWS_GENHASH_TYPE_SHA512:
84 h = EVP_sha512();
85 break;
86 }
87
88 return h;
89 }
90