/// <summary> /// AES Encrypt include hex convert /// </summary> /// <param name="pToEncrypt">param to encrypt</param> /// <param name="isHex">convert hex</param> /// <returns>encrypted result</returns> /// ------------------------------------------------ /// Change History: /// Date Who Changes Made /// 2010-05-11 Lasko li Mark method ///------------------------------------------------- public string AesEncrypt(string pToEncrypt, bool isHex) { string str = ""; using (MemoryStream ms = new MemoryStream()) { using (CryptoStream cs = new CryptoStream(ms, AesProvider.CreateEncryptor(), CryptoStreamMode.Write)) { if (isHex) { byte[] inputByteArray = Encoding.Default.GetBytes(pToEncrypt); StringBuilder ret = new StringBuilder(); cs.Write(inputByteArray, 0, inputByteArray.Length); cs.FlushFinalBlock(); foreach (byte b in ms.ToArray()) { ret.AppendFormat("{0:X2}", b); } str = ret.ToString(); } else { using (StreamWriter sw = new StreamWriter(cs)) { sw.Write(pToEncrypt); sw.Flush(); cs.FlushFinalBlock(); str = Convert.ToBase64String(ms.ToArray()); } } } } return(str); }