i2pd/base64.h

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#ifndef BASE64_H
#define BASE64_H
#include <inttypes.h>
#include <string.h>
namespace i2p
{
namespace data
{
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/*
* Base64 encodes an array of bytes.
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* @return the number of characters written to the output buffer
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* @param InBuffer array of input bytes to be encoded
* @param InCount length of the input array
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* @param OutBuffer array to store output characters
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* @param len length of the output buffer
* @note zero is returned when the output buffer is too small
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*/
size_t ByteStreamToBase64 (const uint8_t * InBuffer, size_t InCount, char * OutBuffer, size_t len);
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/**
* Decodes base 64 encoded data to an array of bytes.
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* @return the number of bytes written to the output buffer
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* @param InBuffer array of input characters to be decoded
* @param InCount length of the input array
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* @param OutBuffer array to store output bytes
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* @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
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*/
size_t Base64ToByteStream (const char * InBuffer, size_t InCount, uint8_t * OutBuffer, size_t len );
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const char * GetBase64SubstitutionTable ();
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/**
* 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
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*/
size_t Base32ToByteStream (const char * inBuf, size_t len, uint8_t * outBuf, size_t outLen);
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/**
* 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
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*/
size_t ByteStreamToBase32 (const uint8_t * inBuf, size_t len, char * outBuf, size_t outLen);
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}
}
#endif