Annotation of embedaddon/strongswan/src/libstrongswan/plugins/chapoly/chapoly_xof.h, revision 1.1.1.1
1.1 misho 1: /*
2: * Copyright (C) 2016 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: /**
17: * @defgroup chapoly_xof chapoly_xof
18: * @{ @ingroup chapoly
19: */
20:
21: #ifndef CHAPOLY_XOF_H_
22: #define CHAPOLY_XOF_H_
23:
24: #include <crypto/aead.h>
25:
26: typedef struct chapoly_xof_t chapoly_xof_t;
27:
28: /**
29: * ChaCha20 XOF implementation
30: *
31: * Based on RFC 7539 ChaCha20 stream initialized with block counter = 1
32: */
33: struct chapoly_xof_t {
34:
35: /**
36: * Generic xof_t interface for this Extended Output Function (XOF).
37: */
38: xof_t xof_interface;
39: };
40:
41: /**
42: * Create a chapoly_xof instance.
43: *
44: * @param algorithm XOF_CHACHA20
45: * @return chapoly_xof_t object, NULL if not supported
46: */
47: chapoly_xof_t *chapoly_xof_create(ext_out_function_t algorithm);
48:
49: #endif /** CHAPOLY_XOF_H_ @}*/
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