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/*************************************************
* Base64 Encoder/Decoder Header File *
* (C) 1999-2008 The Botan Project *
*************************************************/
#ifndef BOTAN_BASE64_H__
#define BOTAN_BASE64_H__
#include <botan/filter.h>
#include <botan/enums.h>
namespace Botan {
/*************************************************
* Base64 Encoder *
*************************************************/
class Base64_Encoder : public Filter
{
public:
static void encode(const byte[3], byte[4]);
void write(const byte[], u32bit);
void end_msg();
Base64_Encoder(bool = false, u32bit = 72, bool = false);
private:
void encode_and_send(const byte[], u32bit);
void do_output(const byte[], u32bit);
static const byte BIN_TO_BASE64[64];
const u32bit line_length;
const bool trailing_newline;
SecureVector<byte> in, out;
u32bit position, counter;
};
/*************************************************
* Base64 Decoder *
*************************************************/
class Base64_Decoder : public Filter
{
public:
static void decode(const byte[4], byte[3]);
static bool is_valid(byte);
void write(const byte[], u32bit);
void end_msg();
Base64_Decoder(Decoder_Checking = NONE);
private:
void decode_and_send(const byte[], u32bit);
void handle_bad_char(byte);
static const byte BASE64_TO_BIN[256];
const Decoder_Checking checking;
SecureVector<byte> in, out;
u32bit position;
};
}
#endif
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