41 lines
1.6 KiB
C
41 lines
1.6 KiB
C
/* $NetBSD: arc4.h,v 1.3 2003/08/26 20:12:22 thorpej Exp $ */
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/*
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* ARC4 implementation
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* A Stream Cipher Encryption Algorithm "Arcfour"
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* <draft-kaukonen-cipher-arcfour-03.txt>
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*/
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/* This code illustrates a sample implementation
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* of the Arcfour algorithm
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* Copyright (c) April 29, 1997 Kalle Kaukonen.
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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
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* without modification, are permitted provided that this copyright
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* notice and disclaimer are retained.
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*
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* THIS SOFTWARE IS PROVIDED BY KALLE KAUKONEN AND CONTRIBUTORS ``AS
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* 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 KALLE
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* KAUKONEN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _CRYPTO_ARC4_H_
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#define _CRYPTO_ARC4_H_
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int arc4_ctxlen(void);
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void arc4_setkey(void *, const u_char *, unsigned int);
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void arc4_encrypt(void *, u_char *, const u_char *, int);
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void arc4_decrypt(void *, u_char *, const u_char *, int);
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#endif /* _CRYPTO_ARC4_H_ */
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