数据加密之RijndaelManaged加密

#region RijndaelManaged加密
        /// <summary> 
        /// 加密数据 
        /// </summary> 
        /// <param name="Text">要加密的内容</param> 
        /// <param name="sKey">key，必须为32位</param> 
        /// <returns></returns> 
        public static string RiEncrypt(string Text, string sKey)
        {
            byte[] keyArray = UTF8Encoding.UTF8.GetBytes(sKey);
             //TripleDESCryptoServiceProvider
            RijndaelManaged encryption = new RijndaelManaged();
            encryption.Key = keyArray;

            encryption.Mode = CipherMode.ECB;

            encryption.Padding = PaddingMode.PKCS7;

            ICryptoTransform cTransform = encryption.CreateEncryptor();

            byte[] _EncryptArray = UTF8Encoding.UTF8.GetBytes(Text);

            byte[] resultArray = cTransform.TransformFinalBlock(_EncryptArray, 0, _EncryptArray.Length);

            return Convert.ToBase64String(resultArray, 0, resultArray.Length);

        }
        #endregion
        #region =======RijndaelManaged解密========
        /// <summary> 
        /// 解密数据 
        /// </summary> 
        /// <param name="Text"></param> 
        /// <param name="sKey"></param> 
        /// <returns></returns> 
        public static string RiDecrypt(string Text, string sKey)
        {
            byte[] keyArray = UTF8Encoding.UTF8.GetBytes(sKey);

            RijndaelManaged decipher = new RijndaelManaged();

            decipher.Key = keyArray;

            decipher.Mode = CipherMode.ECB;

            decipher.Padding = PaddingMode.PKCS7;

            ICryptoTransform cTransform = decipher.CreateDecryptor();

            byte[] _EncryptArray = Convert.FromBase64String(Text);

            byte[] resultArray = cTransform.TransformFinalBlock(_EncryptArray, 0, _EncryptArray.Length);

            return UTF8Encoding.UTF8.GetString(resultArray);

        }
        #endregion