2 * Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2010 Free Software
5 * Author: Nikos Mavrogiannopoulos
7 * This file is part of GnuTLS.
9 * The GnuTLS is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public License
11 * as published by the Free Software Foundation; either version 2.1 of
12 * the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
26 int _gnutls_base64_encode (const uint8_t * data
, size_t data_size
,
28 int _gnutls_fbase64_encode (const char *msg
, const uint8_t * data
,
29 int data_size
, uint8_t ** result
);
30 int _gnutls_base64_decode (const uint8_t * data
, size_t data_size
,
32 int _gnutls_fbase64_decode (const char *header
, const uint8_t * data
,
33 size_t data_size
, uint8_t ** result
);
35 #define B64SIZE( data_size) ((data_size%3==0)?((data_size*4)/3):(4+((data_size/3)*4)))
37 /* The size for B64 encoding + newlines plus header
40 #define HEADSIZE( hsize) \
41 sizeof("-----BEGIN ")-1+sizeof("-----")-1+ \
42 sizeof("\n-----END ")-1+sizeof("-----\n")-1+hsize+hsize
44 #define B64FSIZE( hsize, dsize) \
45 (B64SIZE(dsize) + HEADSIZE(hsize) + /*newlines*/ \
46 B64SIZE(dsize)/64 + (((B64SIZE(dsize) % 64) > 0) ? 1 : 0))