70 lines
1.7 KiB
C
70 lines
1.7 KiB
C
/*
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* This file is part of the Sofia-SIP package
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*
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* Copyright (C) 2005 Nokia Corporation.
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*
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* Contact: Pekka Pessi <pekka.pessi@nokia.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*
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*/
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#ifndef RC4_H
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/** Defined when <sofia-sip/rc4.h> has been included. */
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#define RC4_H
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/**@file sofia-sip/rc4.h
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* @brief Arcfour random number generator.
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*
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* @author Pekka Pessi <Pekka.Pessi@nokia.com>
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*
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* @date Created: Sun Jun 9 14:32:58 1996 ppessi
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*/
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#if defined(__cplusplus)
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extern "C" {
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#endif
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#ifndef SU_TYPES_H
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#include <sofia-sip/su_types.h>
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#endif
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/** Byte. */
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typedef uint8_t rc4_u8;
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/** RC4 context.
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*
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* The RC4 context is accessed and modified through rc4_init() and rc4()
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* functions only.
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*/
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typedef struct {
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uint8_t rc4_i;
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uint8_t rc4_j;
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uint8_t rc4_array[256];
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} rc4_t;
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/** Key RC4 context. */
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SOFIAPUBFUN void rc4_init(const void *seed, isize_t seed_len, rc4_t *state);
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/** Generate RC4 stream. */
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SOFIAPUBFUN void rc4(void *buffer, isize_t len, rc4_t *state);
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#if defined(__cplusplus)
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}
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#endif
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#endif /* !defined RC4_H */
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