Java

ARC4 PRNG (Pseudo Random Number Generator)

See more Encryption Examples

Uses the ARC4 stream encryption algorithm as a pseudo random number generator. Chilkat2 Java

import com.chilkatsoft.chilkat2.Crypt2;

public class ChilkatExample {

    public static void main(String[] args) {
        // This example requires the Chilkat API to have been previously unlocked.
        // See Global Unlock Sample for sample code.

        Crypt2 crypt = new Crypt2();

        // Set the encryption algorithm to ARC4:
        crypt.setCryptAlgorithm("arc4");

        // We want the encrypted output to be a hex-encoded string.
        crypt.setEncodingMode("hex");

        String key = "000102030405060708090A0B0C0D0E0F";
        String data = "12345678";

        // Key length is 128 bits in this example.
        crypt.setKeyLength(128);
        crypt.setEncodedKey(key, "hex");

        // Generate 16 "random" 8-byte blocks, encoded as hex strings.
        // This example will generate the identical output each time
        // it is run.
        String cipherHex = "";
        for (int i = 0; i <= 15; i++) {
            cipherHex = crypt.encryptStringENC(data);
            System.out.println(data);
            System.out.println(cipherHex);
            data = cipherHex;
        }
    }
}