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1public static SecretKey passwordKeyGeneration168() {
2    SecretKey sKey = null;
3    try {
4        KeyGenerator kgen = KeyGenerator.getInstance("DESede");
5        kgen.init(168);
6        sKey = kgen.generateKey();
7    } catch (Exception e) {
8        System.err.println("Error in passwordKeyGeneration");
9    }
10    return sKey;
11}
12
13
14public static byte[] encryptDataTripleDESCBCPKCS5Padding(SecretKey sKey, byte[] data) {
15    byte[] encryptedData = null;
16    try {
17        Cipher cipher = Cipher.getInstance("DESede/CBC/PKCS5Padding");
18        cipher.init(Cipher.ENCRYPT_MODE, sKey);
19        encryptedData = cipher.doFinal(data);
20    } catch (Exception e) {
21        System.err.println("Error: " + e);
22    }
23    return encryptedData;
24}
25
26public static double TimeTripleDESCBCPKCS5Padding() {
27    byte[] randomInformation= generateRandomNumber(1500);
28    SecretKey secretKey168 = passwordKeyGeneration168();
29    long startTime = System.nanoTime();
30    byte[] DataTripleDESCBCPKCS5Padding = encryptDataTripleDESECBPKCS5Padding(secretKey168, randomInformation);
31    double estimatedTimeTripleDESCBCPKCS5Padding = (System.nanoTime() - startTime) / 1000000.0;
32    return estimatedTimeTripleDESCBCPKCS5Padding;
33}