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a48e284317
There were some fixes back on March 13th, 2014 for fixing compiling on MIPS64. Also some fixes on June 25th, 2014 for SPARC64 fixes. Probably more things, but those are what I care about.
118 lines
2.7 KiB
C
118 lines
2.7 KiB
C
/**
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* \file arc4.h
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*
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* \brief The ARCFOUR stream cipher
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*
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* Copyright (C) 2006-2014, Brainspark B.V.
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*
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* This file is part of PolarSSL (http://www.polarssl.org)
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* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
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*
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef POLARSSL_ARC4_H
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#define POLARSSL_ARC4_H
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#if !defined(POLARSSL_CONFIG_FILE)
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#include "config.h"
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#else
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#include POLARSSL_CONFIG_FILE
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#endif
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#include <string.h>
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#if !defined(POLARSSL_ARC4_ALT)
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// Regular implementation
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//
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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 ARC4 context structure
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*/
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typedef struct
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{
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int x; /*!< permutation index */
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int y; /*!< permutation index */
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unsigned char m[256]; /*!< permutation table */
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}
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arc4_context;
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/**
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* \brief Initialize ARC4 context
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*
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* \param ctx ARC4 context to be initialized
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*/
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void arc4_init( arc4_context *ctx );
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/**
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* \brief Clear ARC4 context
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*
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* \param ctx ARC4 context to be cleared
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*/
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void arc4_free( arc4_context *ctx );
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/**
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* \brief ARC4 key schedule
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*
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* \param ctx ARC4 context to be setup
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* \param key the secret key
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* \param keylen length of the key, in bytes
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*/
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void arc4_setup( arc4_context *ctx, const unsigned char *key,
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unsigned int keylen );
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/**
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* \brief ARC4 cipher function
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*
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* \param ctx ARC4 context
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* \param length length of the input data
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* \param input buffer holding the input data
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* \param output buffer for the output data
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*
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* \return 0 if successful
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*/
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int arc4_crypt( arc4_context *ctx, size_t length, const unsigned char *input,
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unsigned char *output );
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#ifdef __cplusplus
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}
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#endif
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#else /* POLARSSL_ARC4_ALT */
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#include "arc4_alt.h"
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#endif /* POLARSSL_ARC4_ALT */
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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 Checkup routine
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*
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* \return 0 if successful, or 1 if the test failed
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*/
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int arc4_self_test( int verbose );
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#ifdef __cplusplus
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}
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#endif
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#endif /* arc4.h */
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