| Random | A pseudo random number generator. |
| BouncyCastleRandom | BouncyCastle Random. |
| BouncyCastleRandom.Factory | Named factory for the BouncyCastle Random |
| JCERandom | A Random implementation using the built-in SecureRandom PRNG. |
| JCERandom.Factory | Named factory for the JCE Random |
| SingletonRandomFactory | A random factory wrapper that uses a single random instance. |