AES/CBC/PKCS7Padding加密方式

引入jar包

      <dependency>
            <groupId>org.bouncycastle</groupId>
            <artifactId>bcprov-jdk15on</artifactId>
            <version>1.56</version>
        </dependency>

@Test
@SneakyThrows
public void test01(){

    try {
        Security.addProvider(new BouncyCastleProvider());
        String encryptedText = "myNa9ijJROB0GFQ8XtOeZDVz3SG3T85ZbklJj1Wfjteo6Y9LI/MxGa+NnJ5QnlIkszkaSVzoQHVzGtVLT8Q9LQ=="; // 加密的字符串
        String key = "7faca8f987d3fe8279307deb98a6ceXX"; // 256位的密钥
        // 解密
        SecretKeySpec secretKeySpec = new SecretKeySpec(key.getBytes(StandardCharsets.UTF_8), "AES");
        Cipher cipher = Cipher.getInstance("AES/ECB/PKCS7Padding");
        cipher.init(Cipher.DECRYPT_MODE, secretKeySpec);
        byte[] encryptedBytes = Base64.getDecoder().decode(encryptedText);
        byte[] decryptedBytes = cipher.doFinal(encryptedBytes);

        // 将解密后的字节转换为字符串
        String decryptedText = new String(decryptedBytes);
        System.out.println("解密后的字符串: " + decryptedText);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

@Test
@SneakyThrows
public void test02(){
    Security.addProvider(new BouncyCastleProvider());
    String keyString = "7faca8f987d3fe8279307deb98a6ceXX";
    String textToEncrypt = "{\"phone_md5\":\"64b534b1893bdb387d2712fe5ce8fcf3\",\"age\":30}";
    SecretKeySpec secretKey = new SecretKeySpec(keyString.getBytes(StandardCharsets.UTF_8), "AES");
    Cipher cipher = Cipher.getInstance("AES/ECB/PKCS7Padding");
    cipher.init(Cipher.ENCRYPT_MODE, secretKey);
    byte[] encrypted = cipher.doFinal(textToEncrypt.getBytes());
    String s = Base64.getEncoder().encodeToString(encrypted);
    System.out.println("加密结果:"+s);
}