GetSendCmdNote() public static method

public static GetSendCmdNote ( byte CLA, byte INS ) : string
CLA byte
INS byte
return string
ApduMsgHelper Class Documentation
Example #1
0
        /// <summary>
        /// 初始化，转换命令为ApduCommad
        /// </summary>
        /// <param name="cmdData"></param>
        public ApduCommand(byte[] cmdData)
        {
            //命令长度最少4字节
            if (cmdData.Length < 4)
            {
                Msg    = "命令长度小于4";
                IsPass = false;
                return;
            }



            //设置固定字段的值
            CLA = cmdData[0];
            INS = cmdData[1];
            P1  = cmdData[2];
            P2  = cmdData[3];


            CmdNote = ApduMsgHelper.GetSendCmdNote(CLA, INS);

            if (cmdData.Length == 5)
            {
                //只有5字节，则最后一个是LE..
                LE = cmdData[4];
                //LE不能大于136
                if (LE > 136)
                {
                    CmdNote += $"-LE长度超过限制{LE}-";
                }
                return;
            }


            if (cmdData.Length > 4)
            {
                //如果有LC，则判断Data的长度是否符合LC
                if (cmdData[4] > 0)
                {
                    LC = cmdData[4];

                    if (cmdData.Length < LC + 4)
                    {
                        Msg    = "LC 长度错误:" + LC;
                        IsPass = false;
                        return;
                    }
                    //取出Data并赋值
                    Data = new byte[LC];
                    Array.Copy(cmdData, 5, Data, 0, LC);
                }
                else
                {
                }
            }
        }