private static Key buildKey(final String userid, final String password) {
		return new SecretKeySpec(Arrays.copyOf(
				new SHA3.Digest512().digest((userid + ".uuid" + password).getBytes(StandardCharsets.UTF_8)), KEY_SIZE_IN_BYTES),
				ALGORITHM);
	}
private static Key buildKey(final String userid, final String password) {
		return new SecretKeySpec(Arrays.copyOf(
				new SHA3.Digest512().digest((userid + ".uuid" + password).getBytes(StandardCharsets.UTF_8)), KEY_SIZE_IN_BYTES),
				ALGORITHM);
	}
private static Key buildKey ( final String userid , final String password ) { return new SecretKeySpec ( Arrays . copyOf ( new SHA3 . Digest512 ( ) . digest ( ( userid + ".uuid" + password ) . getBytes ( StandardCharsets . UTF_8 ) ) , KEY_SIZE_IN_BYTES ) , ALGORITHM ) ; }
Builds the key.

@param userid
the userid
@param password
the password
@return the key
Builds the key .