internal void HashCoreImpl(byte[] rgb, int ib, int cb)
{
if (rgb == null)
{
throw new ArgumentNullException("rgb");
}
if (ib < 0 || ib > rgb.Length - cb)
{
throw new ArgumentOutOfRangeException("ib");
}
if (cb < 0 || cb > rgb.Length)
{
throw new ArgumentOutOfRangeException("cb");
}
// Tell the base class that resetting the key is no longer allowed
State = 1;
byte[] data = new byte[cb];
Buffer.BlockCopy(rgb, ib, data, 0, data.Length);
BCryptNative.HashData(m_hash, data);
}