/// <summary> /// 对APDU指令读出来的结果,进行解密,拿到万通卡卡号 /// </summary> /// <param name="cardNoSource"></param> /// <returns></returns> public string DecryptCardNo(string cardNoSource) { try { //准备解密 byte[] cardNoArray = System.Text.Encoding.ASCII.GetBytes(cardNoSource.Substring(98, 48)); //分散因子 byte[] appgen = System.Text.Encoding.ASCII.GetBytes(cardNoSource.Substring(64, 16)); //万通卡卡号解密 StringBuilder cardNo = new StringBuilder(260); CRT310.F005(cardNoArray, cardNo, appgen); return(cardNo.ToString()); } catch (Exception e) { return(null); } }