Method ProcessData

src/cryptopp/arc4.cpp:73–100

}

void ARC4_Base::ProcessData(byte *outString, const byte *inString, size_t length)
{
	if (length == 0)
		return;

	byte *const s = m_state;
	unsigned int x = m_x;
	unsigned int y = m_y;

	if (inString == outString)
	{
		do
		{
			*outString++ ^= MakeByte(x, y, s);
		} while (--length);
	}
	else
	{
		do
		{
			*outString++ = *inString++ ^ byte(MakeByte(x, y, s));
		}
		while(--length);
	}

	m_x = byte(x);
	m_y = byte(y);
}

void ARC4_Base::DiscardBytes(size_t length)
{