static VerifierDeviceIdentity generate(Random rng){
  long identity=rng.nextLong();
  return new VerifierDeviceIdentity(identity);
}

static VerifierDeviceIdentity generate ( Random rng ) { long identity = rng . nextLong ( ) ; return new VerifierDeviceIdentity ( identity ) ; }
generate a new device identity using a provided random number generator class . this is used for testing .
