4 * Based on XySSL: Copyright (C) 2006-2008 Christophe Devine
6 * Copyright (C) 2009 Paul Bakker <polarssl_maintainer at polarssl dot org>
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
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
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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.
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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29 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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35 #ifndef POLARSSL_HAVEGE_H
36 #define POLARSSL_HAVEGE_H
38 #define COLLECT_SIZE 1024
41 * \brief HAVEGE state structure
45 int PT1
, PT2
, offset
[2];
46 int pool
[COLLECT_SIZE
];
56 * \brief HAVEGE initialization
58 * \param hs HAVEGE state to be initialized
60 void havege_init( havege_state
*hs
);
63 * \brief HAVEGE rand function
65 * \param rng_st points to an HAVEGE state
67 * \return A random int
69 int havege_rand( void *p_rng
);
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