/**
* Processes the first <code>len</code> bytes in <code>input</code>, starting at <code>offset
* </code>.
*
* @param input the input buffer.
* @param offset the offset in <code>input</code> where the input starts.
* @param len the number of bytes to process.
*/
protected void engineUpdate(byte input[], int offset, int len) {
hmac.update(input, offset, len);
}
protected void engineUpdate(ByteBuffer input) {
hmac.update(input);
}
/**
* Processes the given byte.
*
* @param input the input byte to be processed.
*/
protected void engineUpdate(byte input) {
hmac.update(input);
}