public final void testEncryptionBaseOnRandomKey() throws Exception {
SecretKey secretKey = KeyGenerator.getInstance("AES").generateKey();
final String encryptionKey = String.valueOf(Hex.encodeHex(secretKey.getEncoded()));
public final void testEncryptionBaseOnRandomKey() throws Exception {
SecretKey secretKey = KeyGenerator.getInstance("AES").generateKey();
final String encryptionKey = String.valueOf(Hex.encodeHex(secretKey.getEncoded()));