| New file | 
 |  |  | 
 |  |  | package com.dy.common.util; | 
 |  |  |  | 
 |  |  | import javax.crypto.Cipher; | 
 |  |  | import javax.crypto.spec.SecretKeySpec; | 
 |  |  | import java.util.Base64; | 
 |  |  |  | 
 |  |  | /** | 
 |  |  |  * @author ZhuBaoMin | 
 |  |  |  * @date 2024-10-23 14:32 | 
 |  |  |  * @LastEditTime 2024-10-23 14:32 | 
 |  |  |  * @Description AES对称加密解密 | 
 |  |  |  */ | 
 |  |  | public class AES { | 
 |  |  |     private static final String ALGORITHM = "AES"; | 
 |  |  |     private static final String TRANSFORMATION = "AES"; | 
 |  |  |  | 
 |  |  |     // 16-byte secret key | 
 |  |  |     private static final String SECRET_KEY = "YanJiuYuanSecret"; | 
 |  |  |  | 
 |  |  |     public static String encrypt(String input) throws Exception { | 
 |  |  |         SecretKeySpec keySpec = new SecretKeySpec(SECRET_KEY.getBytes(), ALGORITHM); | 
 |  |  |         Cipher cipher = Cipher.getInstance(TRANSFORMATION); | 
 |  |  |         cipher.init(Cipher.ENCRYPT_MODE, keySpec); | 
 |  |  |  | 
 |  |  |         byte[] encryptedBytes = cipher.doFinal(input.getBytes()); | 
 |  |  |         return Base64.getEncoder().encodeToString(encryptedBytes); | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     public static String decrypt(String input) throws Exception { | 
 |  |  |         SecretKeySpec keySpec = new SecretKeySpec(SECRET_KEY.getBytes(), ALGORITHM); | 
 |  |  |         Cipher cipher = Cipher.getInstance(TRANSFORMATION); | 
 |  |  |         cipher.init(Cipher.DECRYPT_MODE, keySpec); | 
 |  |  |  | 
 |  |  |         byte[] decodedBytes = Base64.getDecoder().decode(input); | 
 |  |  |         byte[] decryptedBytes = cipher.doFinal(decodedBytes); | 
 |  |  |         return new String(decryptedBytes); | 
 |  |  |     } | 
 |  |  | } |