void decodeAttributeBody(byte[] attributeValue,char offset,char length) throws StunException {
  nonce=new byte[length];
  System.arraycopy(attributeValue,offset,nonce,0,length);
}

void decodeAttributeBody ( byte [ ] attributeValue , char offset , char length ) throws StunException { nonce = new byte [ length ] ; System . arraycopy ( attributeValue , offset , nonce , 0 , length ) ; }
copies the value of the nonce attribute from the specified attributevalue .
