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afc9f776d2
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20429 3c298f89-4303-0410-b956-a3cf2f4a3e73
76 lines
2.3 KiB
C
76 lines
2.3 KiB
C
/**
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* \file havege.h
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*
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* Based on XySSL: Copyright (C) 2006-2008 Christophe Devine
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*
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* Copyright (C) 2009 Paul Bakker <polarssl_maintainer at polarssl dot org>
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the names of PolarSSL or XySSL nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef POLARSSL_HAVEGE_H
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#define POLARSSL_HAVEGE_H
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#define COLLECT_SIZE 1024
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/**
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* \brief HAVEGE state structure
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*/
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typedef struct
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{
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int PT1, PT2, offset[2];
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int pool[COLLECT_SIZE];
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int WALK[8192];
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}
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havege_state;
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* \brief HAVEGE initialization
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*
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* \param hs HAVEGE state to be initialized
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*/
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void havege_init( havege_state *hs );
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/**
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* \brief HAVEGE rand function
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*
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* \param rng_st points to an HAVEGE state
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*
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* \return A random int
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*/
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int havege_rand( void *p_rng );
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#ifdef __cplusplus
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}
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#endif
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#endif /* havege.h */
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