/**
* Updates this {@code MessageDigestSpi} using the given {@code input}.
*
* @param input
* the {@code ByteBuffer}.
*/
protected internal virtual void engineUpdate(java.nio.ByteBuffer input)
{
if (!input.hasRemaining())
{
return;
}
byte[] tmp;
if (input.hasArray())
{
tmp = (byte[])input.array();
int offset = input.arrayOffset();
int position = input.position();
int limit = input.limit();
engineUpdate(tmp, offset + position, limit - position);
input.position(limit);
}
else
{
tmp = new byte[input.limit() - input.position()];
input.get(tmp);
engineUpdate(tmp, 0, tmp.Length);
}
}
