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/*
* Copyright (c) 2000, 2002 Virtual Unlimited B.V.
*
* This 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/*!\file base64.h
* \brief Base64 encoding and decoding, headers.
* \author Bob Deblier <bob.deblier@pandora.be>
*/
#ifndef _BASE64_H
#define _BASE64_H
#include "beecrypt.h"
/*!\
* Decode white space character set (default).
*/
extern const char* b64decode_whitespace;
#define B64DECODE_WHITESPACE " \f\n\r\t\v"
/*!\
* Encode 72 characters per line (default).
*/
extern int b64encode_chars_per_line;
#define B64ENCODE_CHARS_PER_LINE 72
/*!\
* Encode end-of-line string (default).
*/
extern const char* b64encode_eolstr;
#define B64ENCODE_EOLSTR "\n"
#ifdef __cplusplus
extern "C" {
#endif
/*!
* Encode chunks of 3 bytes of binary input into 4 bytes of base64 output.
* \param data binary data
* \param ns no. bytes of data (0 uses strlen(data))
* \return (malloc'd) base64 string
*/
BEECRYPTAPI
char* b64encode(const void* data, size_t ns)
/*@*/;
/*!
* Encode crc of binary input data into 5 bytes of base64 output.
* \param data binary data
* \param ns no. bytes of binary data
* \return (malloc'd) base64 string
*/
BEECRYPTAPI
char* b64crc(const unsigned char* data, size_t ns)
/*@*/;
/*!
* Decode chunks of 4 bytes of base64 input into 3 bytes of binary output.
* \param s base64 string
* \retval datap address of (malloc'd) binary data
* \retval lenp address of no. bytes of binary data
* \return 0 on success, 1: s == NULL, 2: bad length, 3: bad char
*/
BEECRYPTAPI
int b64decode(const char* s, void** datap, size_t* lenp)
/*@modifies *datap, *lenp @*/;
/*!
*/
BEECRYPTAPI
char* b64enc(const memchunk*)
/*@*/;
/*!
*/
BEECRYPTAPI
memchunk* b64dec(const char*)
/*@*/;
#ifdef __cplusplus
}
#endif
#endif
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