code: public static long[] hashToLongs(final byte[] data, final long seed) {
      if ((data == null) || (data.length == 0)) {
        return null;
      }
      return hash(data, seed);
    }
docs: Hash a byte[] and long seed.
  
  @param data the input byte array.
  @param seed A long valued seed.
  @return The 128-bit hash as a long[2].