Annotation of embedaddon/strongswan/src/libstrongswan/plugins/ccm/ccm_aead.h, revision 1.1.1.1
1.1 misho 1: /*
2: * Copyright (C) 2010 Martin Willi
3: * Copyright (C) 2010 revosec AG
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: /**
17: * @defgroup ccm_aead ccm_aead
18: * @{ @ingroup ccm
19: */
20:
21: #ifndef CCM_AEAD_H_
22: #define CCM_AEAD_H_
23:
24: #include <crypto/aead.h>
25:
26: typedef struct ccm_aead_t ccm_aead_t;
27:
28: /**
29: * Counter with Cipher Block Chaining-Message Authentication Code (CCM).
30: *
31: * Implements CCM as specified in NIST 800-38B, using AEAD semantics from
32: * RFC 5282, based on RFC4309.
33: */
34: struct ccm_aead_t {
35:
36: /**
37: * Implements aead_t interface.
38: */
39: aead_t aead;
40: };
41:
42: /**
43: * Create a ccm_aead instance.
44: *
45: * @param algo algorithm to implement, a CCM mode
46: * @param key_size key size in bytes
47: * @param salt_size size of implicit salt length
48: * @return aead, NULL if not supported
49: */
50: ccm_aead_t *ccm_aead_create(encryption_algorithm_t algo, size_t key_size,
51: size_t salt_size);
52:
53: #endif /** CCM_AEAD_H_ @}*/
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