summaryrefslogtreecommitdiff
path: root/src/libstrongswan/plugins/hmac/hmac_plugin.c
blob: 47d6d3cde948ea05e0745a8b53ae7e710cc5f79d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
/*
 * Copyright (C) 2008 Martin Willi
 * Hochschule fuer Technik Rapperswil
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * for more details.
 */

#include "hmac_plugin.h"

#include <library.h>
#include "hmac_signer.h"
#include "hmac_prf.h"

typedef struct private_hmac_plugin_t private_hmac_plugin_t;

/**
 * private data of hmac_plugin
 */
struct private_hmac_plugin_t {

	/**
	 * public functions
	 */
	hmac_plugin_t public;
};

METHOD(plugin_t, get_name, char*,
	private_hmac_plugin_t *this)
{
	return "hmac";
}

METHOD(plugin_t, destroy, void,
	private_hmac_plugin_t *this)
{
	lib->crypto->remove_prf(lib->crypto,
							(prf_constructor_t)hmac_prf_create);
	lib->crypto->remove_signer(lib->crypto,
							   (signer_constructor_t)hmac_signer_create);
	free(this);
}

/*
 * see header file
 */
plugin_t *hmac_plugin_create()
{
	private_hmac_plugin_t *this;
	hasher_t *hasher;

	INIT(this,
		.public = {
			.plugin = {
				.get_name = _get_name,
				.reload = (void*)return_false,
				.destroy = _destroy,
			},
		},
	);

	hasher = lib->crypto->create_hasher(lib->crypto, HASH_SHA1);
	if (hasher)
	{
		hasher->destroy(hasher);
		lib->crypto->add_prf(lib->crypto, PRF_HMAC_SHA1, get_name(this),
						(prf_constructor_t)hmac_prf_create);
		lib->crypto->add_signer(lib->crypto, AUTH_HMAC_SHA1_96, get_name(this),
						(signer_constructor_t)hmac_signer_create);
		lib->crypto->add_signer(lib->crypto, AUTH_HMAC_SHA1_128, get_name(this),
						(signer_constructor_t)hmac_signer_create);
		lib->crypto->add_signer(lib->crypto, AUTH_HMAC_SHA1_160, get_name(this),
						(signer_constructor_t)hmac_signer_create);
	}
	hasher = lib->crypto->create_hasher(lib->crypto, HASH_SHA256);
	if (hasher)
	{
		hasher->destroy(hasher);
		lib->crypto->add_prf(lib->crypto, PRF_HMAC_SHA2_256, get_name(this),
						(prf_constructor_t)hmac_prf_create);
		lib->crypto->add_signer(lib->crypto, AUTH_HMAC_SHA2_256_128, get_name(this),
						(signer_constructor_t)hmac_signer_create);
		lib->crypto->add_signer(lib->crypto, AUTH_HMAC_SHA2_256_256, get_name(this),
						(signer_constructor_t)hmac_signer_create);

	}
	hasher = lib->crypto->create_hasher(lib->crypto, HASH_MD5);
	if (hasher)
	{
		hasher->destroy(hasher);
		lib->crypto->add_prf(lib->crypto, PRF_HMAC_MD5, get_name(this),
						(prf_constructor_t)hmac_prf_create);
		lib->crypto->add_signer(lib->crypto, AUTH_HMAC_MD5_96, get_name(this),
						(signer_constructor_t)hmac_signer_create);
		lib->crypto->add_signer(lib->crypto, AUTH_HMAC_MD5_128, get_name(this),
						(signer_constructor_t)hmac_signer_create);
	}
	hasher = lib->crypto->create_hasher(lib->crypto, HASH_SHA384);
	if (hasher)
	{
		hasher->destroy(hasher);
		lib->crypto->add_prf(lib->crypto, PRF_HMAC_SHA2_384, get_name(this),
						(prf_constructor_t)hmac_prf_create);
		lib->crypto->add_signer(lib->crypto, AUTH_HMAC_SHA2_384_192, get_name(this),
						(signer_constructor_t)hmac_signer_create);
		lib->crypto->add_signer(lib->crypto, AUTH_HMAC_SHA2_384_384, get_name(this),
						(signer_constructor_t)hmac_signer_create);
	}
	hasher = lib->crypto->create_hasher(lib->crypto, HASH_SHA512);
	if (hasher)
	{
		hasher->destroy(hasher);
		lib->crypto->add_prf(lib->crypto, PRF_HMAC_SHA2_512, get_name(this),
						(prf_constructor_t)hmac_prf_create);
		lib->crypto->add_signer(lib->crypto, AUTH_HMAC_SHA2_512_256, get_name(this),
						(signer_constructor_t)hmac_signer_create);
	}

	return &this->public.plugin;
}