[ar71xx] fix dir-825-b1 default network config after r21905
[openwrt.git] / package / px5g / src / polarssl / havege.h
1 /**
2 * \file havege.h
3 *
4 * Based on XySSL: Copyright (C) 2006-2008 Christophe Devine
5 *
6 * Copyright (C) 2009 Paul Bakker <polarssl_maintainer at polarssl dot org>
7 *
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 *
14 * * Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * * Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * * Neither the names of PolarSSL or XySSL nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
26 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
27 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
29 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
30 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
31 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
32 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
33 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 */
35 #ifndef POLARSSL_HAVEGE_H
36 #define POLARSSL_HAVEGE_H
37
38 #define COLLECT_SIZE 1024
39
40 /**
41 * \brief HAVEGE state structure
42 */
43 typedef struct
44 {
45 int PT1, PT2, offset[2];
46 int pool[COLLECT_SIZE];
47 int WALK[8192];
48 }
49 havege_state;
50
51 #ifdef __cplusplus
52 extern "C" {
53 #endif
54
55 /**
56 * \brief HAVEGE initialization
57 *
58 * \param hs HAVEGE state to be initialized
59 */
60 void havege_init( havege_state *hs );
61
62 /**
63 * \brief HAVEGE rand function
64 *
65 * \param rng_st points to an HAVEGE state
66 *
67 * \return A random int
68 */
69 int havege_rand( void *p_rng );
70
71 #ifdef __cplusplus
72 }
73 #endif
74
75 #endif /* havege.h */
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