]>
Commit | Line | Data |
---|---|---|
abd4797d | 1 | /* |
188b190a | 2 | * Copyright (C) 2013-2016 Andreas Steffen |
abd4797d AS |
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 ntru_trits ntru_trits | |
18 | * @{ @ingroup ntru_p | |
19 | */ | |
20 | ||
21 | #ifndef NTRU_TRITS_H_ | |
22 | #define NTRU_TRITS_H_ | |
23 | ||
24 | typedef struct ntru_trits_t ntru_trits_t; | |
25 | ||
26 | #include <library.h> | |
188b190a | 27 | #include <crypto/xofs/xof.h> |
abd4797d AS |
28 | |
29 | /** | |
b9949e98 | 30 | * Implements an array of trinary elements (trits) |
abd4797d AS |
31 | */ |
32 | struct ntru_trits_t { | |
33 | ||
34 | /** | |
35 | * Get the size of the trits array | |
36 | * | |
37 | * @return number of trinary elements | |
38 | */ | |
39 | size_t (*get_size)(ntru_trits_t *this); | |
40 | ||
41 | /** | |
42 | * @return octet array containing a trit per octet | |
43 | */ | |
44 | uint8_t* (*get_trits)(ntru_trits_t *this); | |
45 | ||
46 | /** | |
47 | * Destroy ntru_trits_t object | |
48 | */ | |
49 | void (*destroy)(ntru_trits_t *this); | |
50 | }; | |
51 | ||
52 | /** | |
53 | * Create a trits array from a seed using MGF1 with a base hash function | |
54 | * | |
55 | * @param size size of the trits array | |
188b190a | 56 | * @param alg MGF1 algorithm used (XOF_MGF1_SHA1 or XOF_MGF_SHA256) |
abd4797d AS |
57 | * @param seed seed used by MGF1 to generate trits from |
58 | */ | |
188b190a AS |
59 | ntru_trits_t *ntru_trits_create(size_t size, ext_out_function_t alg, |
60 | chunk_t seed); | |
abd4797d AS |
61 | |
62 | #endif /** NTRU_TRITS_H_ @}*/ | |
63 |