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48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/* Copyright (C) 2007-2012 Open Information Security Foundation
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*
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* You can copy, redistribute or modify this Program under the terms of
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* the GNU General Public License version 2 as published by the Free
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* 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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* version 2 along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* \file
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*
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* \author Roliers Jean-Paul <popof.fpn@gmail.co>
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*
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* Implements cryptographic functions.
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* Based on the libtomcrypt library ( http://libtom.org/?page=features&newsitems=5&whatfile=crypt )
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*/
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#ifndef UTIL_CRYPT_H_
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#define UTIL_CRYPT_H_
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#include "suricata-common.h"
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/* Ratio of output bytes to input bytes for Base64 Encoding is 4:3, hence the
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* required output bytes are 4 * ceil(input_len / 3) and an additional byte
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* for storing the NULL pointer.
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* */
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#define BASE64_BUFFER_SIZE(x) ((4 * ((x) + 2) / 3) + 1)
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typedef enum {
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SC_BASE64_OK,
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SC_BASE64_INVALID_ARG,
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SC_BASE64_OVERFLOW,
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} CryptId;
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int Base64Encode(const unsigned char *in, unsigned long inlen, unsigned char *out, unsigned long *outlen);
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#endif /* UTIL_CRYPT_H_ */
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