Annotation of embedaddon/strongswan/src/libstrongswan/plugins/drbg/drbg_plugin.c, revision 1.1.1.1
1.1 misho 1: /*
2: * Copyright (C) 2019 Andreas Steffen
3: * HSR Hochschule fuer Technik Rapperswil
4: *
5: * This program is free software; you can redistribute it and/or modify it
6: * under the terms of the GNU General Public License as published by the
7: * Free Software Foundation; either version 2 of the License, or (at your
8: * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
9: *
10: * This program is distributed in the hope that it will be useful, but
11: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
12: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13: * for more details.
14: */
15:
16: #include "drbg_plugin.h"
17: #include "drbg_ctr.h"
18: #include "drbg_hmac.h"
19:
20: #include <library.h>
21:
22: typedef struct private_drbg_plugin_t private_drbg_plugin_t;
23:
24: /**
25: * private data of drbg_plugin
26: */
27: struct private_drbg_plugin_t {
28:
29: /**
30: * public functions
31: */
32: drbg_plugin_t public;
33: };
34:
35: METHOD(plugin_t, get_name, char*,
36: private_drbg_plugin_t *this)
37: {
38: return "drbg";
39: }
40:
41: METHOD(plugin_t, get_features, int,
42: private_drbg_plugin_t *this, plugin_feature_t *features[])
43: {
44: static plugin_feature_t f[] = {
45: /* NIST CTR DRBG */
46: PLUGIN_REGISTER(DRBG, drbg_ctr_create),
47: PLUGIN_PROVIDE(DRBG, DRBG_CTR_AES128),
48: PLUGIN_DEPENDS(CRYPTER, ENCR_AES_ECB, 16),
49: PLUGIN_PROVIDE(DRBG, DRBG_CTR_AES192),
50: PLUGIN_DEPENDS(CRYPTER, ENCR_AES_ECB, 24),
51: PLUGIN_PROVIDE(DRBG, DRBG_CTR_AES256),
52: PLUGIN_DEPENDS(CRYPTER, ENCR_AES_ECB, 32),
53: /* NIST HMAC DRBG */
54: PLUGIN_REGISTER(DRBG, drbg_hmac_create),
55: PLUGIN_PROVIDE(DRBG, DRBG_HMAC_SHA1),
56: PLUGIN_DEPENDS(PRF, PRF_HMAC_SHA1),
57: PLUGIN_PROVIDE(DRBG, DRBG_HMAC_SHA256),
58: PLUGIN_DEPENDS(PRF, PRF_HMAC_SHA2_256),
59: PLUGIN_PROVIDE(DRBG, DRBG_HMAC_SHA384),
60: PLUGIN_DEPENDS(PRF, PRF_HMAC_SHA2_384),
61: PLUGIN_PROVIDE(DRBG, DRBG_HMAC_SHA512),
62: PLUGIN_DEPENDS(PRF, PRF_HMAC_SHA2_512),
63: };
64: *features = f;
65: return countof(f);
66: }
67:
68: METHOD(plugin_t, destroy, void,
69: private_drbg_plugin_t *this)
70: {
71: free(this);
72: }
73:
74: /*
75: * see header file
76: */
77: plugin_t *drbg_plugin_create()
78: {
79: private_drbg_plugin_t *this;
80:
81: INIT(this,
82: .public = {
83: .plugin = {
84: .get_name = _get_name,
85: .get_features = _get_features,
86: .destroy = _destroy,
87: },
88: },
89: );
90:
91: return &this->public.plugin;
92: }
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