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32 lines
1.1 KiB
32 lines
1.1 KiB
/*
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* Copyright (C) 2013-2025 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
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* Copyright (C) 2011-2013 Sourcefire, Inc.
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*
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* Author: Török Edvin
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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 version 2 as
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* published by the Free Software Foundation.
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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
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#include <stdbool.h>
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#include "clamav-types.h"
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struct arc4_state {
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/* really just 8 bit, but it is faster if reads are aligned */
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uint32_t S[256];
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uint8_t i, j;
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};
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bool arc4_init(struct arc4_state *a, const uint8_t *key, unsigned keylength);
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void arc4_apply(struct arc4_state *s, uint8_t *data, unsigned len);
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