Annotation of embedaddon/strongswan/src/libstrongswan/plugins/gcm/gcm_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 gcm_aead gcm_aead
18: * @{ @ingroup gcm
19: */
20:
21: #ifndef GCM_AEAD_H_
22: #define GCM_AEAD_H_
23:
24: #include <crypto/aead.h>
25:
26: typedef struct gcm_aead_t gcm_aead_t;
27:
28: /**
29: * Galois/Counter Mode (GCM).
30: *
31: * Implements GCM as specified in NIST 800-38D, using AEAD semantics from
32: * RFC 5282, based on RFC4106.
33: */
34: struct gcm_aead_t {
35:
36: /**
37: * Implements aead_t interface.
38: */
39: aead_t aead;
40: };
41:
42: /**
43: * Create a gcm_aead instance.
44: *
45: * @param algo algorithm to implement, a gcm 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: gcm_aead_t *gcm_aead_create(encryption_algorithm_t algo, size_t key_size,
51: size_t salt_size);
52:
53: #endif /** GCM_AEAD_H_ @}*/
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