/usr/include/dnscore/base32.h is in libyadifa-dev 2.1.6-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
* Copyright (c) 2011-2016, EURid. All rights reserved.
* The YADIFA TM software product is provided under the BSD 3-clause license:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of EURid nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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*
*------------------------------------------------------------------------------
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*/
/**
* @defgroup base Base conversion functions
* @ingroup dnscore
* @brief Base 32 codec
*
* @{
*
*----------------------------------------------------------------------------*/
#ifndef _BASE32_H
#define _BASE32_H
#include <dnscore/sys_types.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* Encodes bytes into base32
* The output size must be at least size_in * 8/5
*
* @param buffer_in bytes to convert
* @param size_in number of bytes
* @param buffer_out output buffer of a size >= size_in * 8/5
*
* @return output size
*/
u32 base32_encode(const u8* buffer_in,u32 size_in,char* buffer_out);
/**
* Decodes base32 into bytes
* The output size must be at least size_in * 5/8
*
* @param buffer_in base32 text
* @param size_in number of chars
* @param buffer_out output buffer of a size >= size_in * 5/8
*
* @return output size
*/
ya_result base32_decode(const char* buffer_in,u32 size_in,u8* buffer_out);
#ifdef __cplusplus
}
#endif
#endif /* _BASE32_H */
/** @} */
/*----------------------------------------------------------------------------*/
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