Java tutorial
import java.security.SecureRandom; import java.security.Security; public class MainClass { public static void main(String args[]) throws Exception { Security.addProvider(new org.bouncycastle.jce.provider.BouncyCastleProvider()); SecureRandom rng = SecureRandom.getInstance("SHA1PRNG"); rng.setSeed(711); int numberToGenerate = 999; byte randNumbers[] = new byte[numberToGenerate]; rng.nextBytes(randNumbers); for (int j = 0; j < numberToGenerate; j++) { System.out.print(randNumbers[j] + " "); } } }