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/*
* Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation
*
* Author: Nikos Mavrogiannopoulos
*
* This file is part of GNUTLS.
*
* The GNUTLS library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA
*
*/
int _gnutls_base64_encode (const uint8_t * data, size_t data_size,
uint8_t ** result);
int _gnutls_fbase64_encode (const char *msg, const uint8_t * data,
int data_size, uint8_t ** result);
int _gnutls_base64_decode (const uint8_t * data, size_t data_size,
uint8_t ** result);
int _gnutls_fbase64_decode (const char *header, const uint8_t * data,
size_t data_size, uint8_t ** result);
#define B64SIZE( data_size) ((data_size%3==0)?((data_size*4)/3):(4+((data_size/3)*4)))
/* The size for B64 encoding + newlines plus header
*/
#define HEADSIZE( hsize) \
sizeof("-----BEGIN ")-1+sizeof("-----")-1+ \
sizeof("\n-----END ")-1+sizeof("-----\n")-1+hsize+hsize
#define B64FSIZE( hsize, dsize) \
(B64SIZE(dsize) + HEADSIZE(hsize) + /*newlines*/ \
B64SIZE(dsize)/64 + (((B64SIZE(dsize) % 64) > 0) ? 1 : 0))
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