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/*
* Base64 Encoding and Decoding
* (C) 2010 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_BASE64_CODEC_H__
#define BOTAN_BASE64_CODEC_H__
#include <botan/secmem.h>
#include <string>
namespace Botan {
/**
* Perform base64 encoding
* @param output an array of at least input_length*4/3 bytes
* @param input is some binary data
* @param input_length length of input in bytes
* @param input_consumed is an output parameter which says how many
* bytes of input were actually consumed. If less than
* input_length, then the range input[consumed:length]
* should be passed in later along with more input.
* @param final_inputs true iff this is the last input, in which case
padding chars will be applied if needed
* @return number of bytes written to output
*/
size_t BOTAN_DLL base64_encode(char output[],
const byte input[],
size_t input_length,
size_t& input_consumed,
bool final_inputs);
/**
* Perform base64 encoding
* @param input some input
* @param input_length length of input in bytes
* @return base64adecimal representation of input
*/
std::string BOTAN_DLL base64_encode(const byte input[],
size_t input_length);
/**
* Perform base64 encoding
* @param input some input
* @return base64adecimal representation of input
*/
std::string BOTAN_DLL base64_encode(const MemoryRegion<byte>& input);
/**
* Perform base64 decoding
* @param output an array of at least input_length*3/4 bytes
* @param input some base64 input
* @param input_length length of input in bytes
* @param input_consumed is an output parameter which says how many
* bytes of input were actually consumed. If less than
* input_length, then the range input[consumed:length]
* should be passed in later along with more input.
* @param final_inputs true iff this is the last input, in which case
padding is allowed
* @param ignore_ws ignore whitespace on input; if false, throw an
exception if whitespace is encountered
* @return number of bytes written to output
*/
size_t BOTAN_DLL base64_decode(byte output[],
const char input[],
size_t input_length,
size_t& input_consumed,
bool final_inputs,
bool ignore_ws = true);
/**
* Perform base64 decoding
* @param output an array of at least input_length*3/4 bytes
* @param input some base64 input
* @param input_length length of input in bytes
* @param ignore_ws ignore whitespace on input; if false, throw an
exception if whitespace is encountered
* @return number of bytes written to output
*/
size_t BOTAN_DLL base64_decode(byte output[],
const char input[],
size_t input_length,
bool ignore_ws = true);
/**
* Perform base64 decoding
* @param output an array of at least input_length/3*4 bytes
* @param input some base64 input
* @param ignore_ws ignore whitespace on input; if false, throw an
exception if whitespace is encountered
* @return number of bytes written to output
*/
size_t BOTAN_DLL base64_decode(byte output[],
const std::string& input,
bool ignore_ws = true);
/**
* Perform base64 decoding
* @param input some base64 input
* @param input_length the length of input in bytes
* @param ignore_ws ignore whitespace on input; if false, throw an
exception if whitespace is encountered
* @return decoded base64 output
*/
SecureVector<byte> BOTAN_DLL base64_decode(const char input[],
size_t input_length,
bool ignore_ws = true);
/**
* Perform base64 decoding
* @param input some base64 input
* @param ignore_ws ignore whitespace on input; if false, throw an
exception if whitespace is encountered
* @return decoded base64 output
*/
SecureVector<byte> BOTAN_DLL base64_decode(const std::string& input,
bool ignore_ws = true);
}
#endif
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