Ejemplo n.º 1
0
        public void CalculateDifference(byte[] current, byte[] previous, long length)
        {
            // Reset
            diffBits.Clear();
            int index;

            diffLength = 0;
            int count = 0;

            // Calculate differences
            for (int i = 0; i < signature.Length; i++)
            {
                index = signature[i];
                if (current[index] != previous[index])
                {
                    diffBits.Add(true);
                    difference[diffLength] = current[index];
                    diffLength++;
                    count = i;
                }
                else
                {
                    diffBits.Add(false);
                }
            }
            // Reduce diff bit count to eliminate final matching bytes.
            diffBits.BitCount = count + 1;
        }