public int hashCode(){
  if (hashcode == 0) {
    int result=17;
    result=37 * result + issuer.hashCode();
    result=37 * result + serial.hashCode();
    hashcode=result;
  }
  return hashcode;
}

public int hashCode ( ) { if ( hashcode == 0 ) { int result = 17 ; result = 37 * result + issuer . hashCode ( ) ; result = 37 * result + serial . hashCode ( ) ; hashcode = result ; } return hashcode ; }
returns a hash code value for this x509issuerserial .
