/** * Generate a unique key. The key is a long (length 38 to 40) sequence of * digits. * * @return A unique key as a long sequence of base-10 digits. */ public static String generateKey() { return new BigInteger(generateBytesKey()).abs().toString(); }
/** * Generate a unique key. The key is a 32-character long sequence of hex * digits. * * @return A unique key as a long sequence of hex digits. */ public static String generateHexKey() { return toHex(generateBytesKey()); }