修改Encrypt3DES加密模式

Common/dbconn.cs

@@ -78,7 +78,7 @@ namespace Common
             DESCryptoServiceProvider DES = new DESCryptoServiceProvider();
             DES.Key = Encoding.UTF8.GetBytes(Key3des);
             DES.Mode = CipherMode.ECB;
-            DES.Padding = PaddingMode.Zeros;
+            DES.Padding = PaddingMode.PKCS7;
             ICryptoTransform DESEncrypt = DES.CreateEncryptor();
             byte[] Buffer = Encoding.UTF8.GetBytes(a_strString);
             return Convert.ToBase64String(DESEncrypt.TransformFinalBlock(Buffer, 0, Buffer.Length));