Function EncodeBase32

src/OtherFunctions.cpp:342–369

Returns a BASE32 encoded byte array [In] buffer: Pointer to byte array bufLen: Length of buffer array [Return] wxString object with BASE32 encoded byte array

// [Return]
//   wxString object with BASE32 encoded byte array
wxString EncodeBase32(const unsigned char* buffer, unsigned int bufLen)
{
	wxString Base32Buff;
	unsigned int i, index;
	unsigned char word;

	for(i = 0, index = 0; i < bufLen;) {
		// Is the current word going to span a byte boundary?
		if (index > 3) {
			word = (buffer[i] & (0xFF >> index));
			index = (index + 5) % 8;
			word <<= index;
			if (i < bufLen - 1) {
				word |= buffer[i + 1] >> (8 - index);
			}
			++i;
		} else {
			word = (buffer[i] >> (8 - (index + 5))) & 0x1F;
			index = (index + 5) % 8;
			if (index == 0) {
				++i;
			}
		}
		Base32Buff += (char) base32Chars[word];
	}

	return Base32Buff;
}


// Decodes a BASE32 string into a byte array