i2pd/base64.h
2015-07-24 15:13:09 +02:00

64 lines
2.2 KiB
C++

#ifndef BASE64_H
#define BASE64_H
#include <inttypes.h>
#include <string.h>
namespace i2p
{
namespace data
{
/*
* Base64 encodes an array of bytes.
* @return the number of characters written to the output buffer
* @param InBuffer array of input bytes to be encoded
* @param InCount length of the input array
* @param OutBuffer array to store output characters
* @param len length of the output buffer
* @note zero is returned when the output buffer is too small
*/
size_t ByteStreamToBase64 (const uint8_t * InBuffer, size_t InCount, char * OutBuffer, size_t len);
/**
* Decodes base 64 encoded data to an array of bytes.
* @return the number of bytes written to the output buffer
* @param InBuffer array of input characters to be decoded
* @param InCount length of the input array
* @param OutBuffer array to store output bytes
* @param len length of the output buffer
* @todo Do not return a negative value on failure, size_t could be unsigned.
* @note zero is returned when the output buffer is too small
*/
size_t Base64ToByteStream (const char * InBuffer, size_t InCount, uint8_t * OutBuffer, size_t len );
const char * GetBase64SubstitutionTable ();
/**
* Decodes base 32 encoded data to an array of bytes.
* @return the number of bytes written to the output buffer
* @param inBuf array of input characters to be decoded
* @param len length of the input buffer
* @param outBuf array to store output bytes
* @param outLen length of the output array
* @note zero is returned when the output buffer is too small
*/
size_t Base32ToByteStream (const char * inBuf, size_t len, uint8_t * outBuf, size_t outLen);
/**
* Base 32 encodes an array of bytes.
* @return the number of bytes written to the output buffer
* @param inBuf array of input bytes to be encoded
* @param len length of the input buffer
* @param outBuf array to store output characters
* @param outLen length of the output array
* @note zero is returned when the output buffer is too small
*/
size_t ByteStreamToBase32 (const uint8_t * inBuf, size_t len, char * outBuf, size_t outLen);
}
}
#endif