1         public static string AESEncrypt(string toEncrypt, string key, string iv = "xxxxxxx")
 2         {
 3             byte[] keyArray = Encoding.UTF8.GetBytes(key);
 4             byte[] ivArray = Encoding.UTF8.GetBytes(iv);
 5             byte[] toEncryptArray = Encoding.UTF8.GetBytes(toEncrypt);
 6 
 7             RijndaelManaged rDel = new RijndaelManaged();
 8             rDel.Key = keyArray;
 9             rDel.IV = ivArray;
10             rDel.Mode = CipherMode.CBC;
11             rDel.Padding = PaddingMode.Zeros;
12             ICryptoTransform cTransform = rDel.CreateEncryptor();
13             byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
14             return Convert.ToBase64String(resultArray, 0, resultArray.Length);
15         }

 1         public static string AESDecrypt(string toDecrypt, string key, string iv = "xxxxxxxx")
 2         {
 3             try
 4             {
 5                 byte[] keyArray = Encoding.UTF8.GetBytes(key);
 6                 byte[] ivArray = Encoding.UTF8.GetBytes(iv);
 7                 byte[] toEncryptArray = Convert.FromBase64String(toDecrypt);
 8                 RijndaelManaged rDel = new RijndaelManaged();
 9                 rDel.Key = keyArray;
10                 rDel.IV = ivArray;
11                 rDel.Mode = CipherMode.CBC;
12                 rDel.Padding = PaddingMode.Zeros;
13                 ICryptoTransform cTransform = rDel.CreateDecryptor();
14                 byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
15                 return Encoding.UTF8.GetString(resultArray).TrimEnd(‘\0‘);
16             }
17             catch (Exception ex)
18             {
19                 LogHelper.log.Error("解密出错~~: " + ex.Message, ex);
20             }
21             return "";
22         }