AES128加密

最新推荐文章于 2025-11-30 06:30:00 发布

原创最新推荐文章于 2025-11-30 06:30:00 发布 · 2.8k 阅读

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/**
    * 加密
    * 模式:AES/CBC/PKCS7Padding
    * @author dai
    * @param encodeRules 秘钥
    * @param content 加密串
    * @return
    */
   public static String AESEncode(String encodeRules, String content, String ivParameter) throws Exception {
       int base = 16; 
       byte[] keybyte = encodeRules.getBytes("UTF-8");
       if (keybyte.length % base != 0) { 
           int groups = keybyte.length / base + (keybyte.length % base != 0 ? 1 : 0); 
           byte[] temp = new byte[groups * base]; 
           Arrays.fill(temp, (byte) 0); 
           System.arraycopy(keybyte, 0, temp, 0, keybyte.length); 
           keybyte = temp; 
       } 
       // 初始化 
       Security.addProvider(new BouncyCastleProvider()); 
       // 转化成JAVA的密钥格式 
       Key key = new SecretKeySpec(keybyte, "AES"); 
       try { 
           // 初始化cipher 
           Cipher cipher = Cipher.getInstance("AES/CBC/PKCS7Padding","BC"); 
           cipher.init(Cipher.ENCRYPT_MODE, key, new IvParameterSpec(ivParameter.getBytes())); 
           byte[] encryptedText = cipher.doFinal(content.getBytes());
           return new String(new Base64().encode(encryptedText)).replaceAll("\r\n", "");   
       } catch (Exception e) { 
           logger.info("AESEncode error",e);
       }
       return null;   
   }