package com.example.cipher.des;
import java.nio.charset.StandardCharsets;
import java.util.Base64;
import java.util.Locale;
import java.util.UUID;
import javax.crypto.Cipher;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import org.junit.jupiter.api.Test;
public class DesTest {
@Test
public void desTest3() {
String plainText = getUuid(32);
// 如果分组模式使用CBC、CFB、OFB、CTR,则需要一个初始化向量IV
String transformation = "DES/CBC/PKCS5Padding"