/// <summary>
/// 檢驗Request的MAC
/// </summary>
/// <param name="msgUtility">Request Msg Parser</param>
/// <param name="msgBytes">Origin Request byte array</param>
/// <returns>true:success/false:failed</returns>
protected virtual bool CheckMac(IMsgUtility msgUtility, byte[] msgBytes)
{
bool result = false;
try
{
log.Debug(m => m("1.開始驗證MAC"));
//reader id 取前面16個字串
this.readerId = msgUtility.GetStr(msgBytes, "ReaderId").Substring(0, 16);
//取交易時間
this.transDateTime = msgUtility.GetStr(msgBytes, "TransDateTime");;
//取後面的mac:要用來檢查data部分是否有被串改
this.mac = msgUtility.GetStr(msgBytes, "Mac");
//錢
this.amount = msgUtility.GetStr(msgBytes, "Amount");
//將data的部分取出作SHA1
byte[] hashData = msgUtility.GetBytes(msgBytes, "HeaderVersion", "Mac");
byte[] hashResult = CheckMacContainer.HashWorker.ComputeHash(hashData);
//開始檢查hash過的data部分是否與mac値一致
result = CheckMacContainer.Mac2Manager.ChkInitMac(this.readerId, this.transDateTime, hashResult, this.mac);
log.Debug(m => m("2.結束驗證MAC:{0}", result.ToString()));
return(result);
}
catch (Exception ex)
{
log.Error(m => m("[State_AutoLoad][CheckMac] Error: {0} \r\n{1}", ex.Message, ex.StackTrace));
return(false);
}
}
/// <summary>
/// 依據Request設定card情報屬性値
/// </summary>
/// <param name="msgBytes">Origin Request byte array</param>
/// <param name="msgUtility">Request Msg Parser</param>
protected virtual void SetCardInfo(IMsgUtility msgUtility, byte[] msgBytes)
{
//Response要用的資料部分
this.cardFormatMemberId = msgUtility.GetBytes(msgBytes, "CardFormatMemberId");
this.cardNo = msgUtility.GetStr(msgBytes, "CardNo");
this.cardExpireDate1 = msgUtility.GetStr(msgBytes, "CardExpireDate1");
this.cardExpireDate2 = msgUtility.GetStr(msgBytes, "CardExpireDate2");
}
/// <summary>
/// Response寫入MAC
/// </summary>
/// <param name="resMsgUility">Response Parser</param>
/// <param name="response">response byte array</param>
/// <param name="reader_id">卡機裝置ID(length:16)</param>
/// <param name="transTime">交易時間(length:14)</param>
protected virtual void SetMAC(IMsgUtility resMsgUility, byte[] response, string reader_id, string transTime)
{
// fetch sha1 data
byte[] hashDataBytes = resMsgUility.GetBytes(response, "HeaderVersion", "Mac");
byte[] sha1Result = CheckMacContainer.HashWorker.ComputeHash(hashDataBytes);
string mac = CheckMacContainer.Mac2Manager.GetAuthMac(reader_id, transTime, sha1Result);
resMsgUility.SetStr(mac, response, "Mac");
log.Debug(m => m("8.Response mac: {0}", mac));
}
private string GenMac(IMsgUtility msgUtility, string data, int macLength = 8)
{
byte[] result = Encoding.ASCII.GetBytes(data);
result = result.Concat(new byte[macLength]).ToArray();//insert a byte[ mac length ]
string readerId = msgUtility.GetStr(result, "ReaderId").Substring(0, 16);
string transDatetime = msgUtility.GetStr(result, "TransDateTime");
// fetch sha1 data
byte[] hashDataBytes = msgUtility.GetBytes(result, "HeaderVersion", "Mac");
byte[] sha1Result = MsgContainer.HashWorker.ComputeHash(hashDataBytes);
string macStr = MsgContainer.Mac2Manager.GetAuthMac(readerId, transDatetime, sha1Result);
return(macStr);
}
/// <summary>
/// Response寫入MAC
/// </summary>
/// <param name="resMsgUility">Response Msg Parser</param>
/// <param name="response">response byte array</param>
/// <param name="reader_id">卡機裝置ID(length:16)</param>
/// <param name="transTime">交易時間(length:14)</param>
/// <returns></returns>
protected virtual void SetMAC(IMsgUtility resMsgUility, byte[] response, string reader_id, string transTime)
{
// fetch sha1 data
byte[] hashDataBytes = resMsgUility.GetBytes(response, "HeaderVersion", "Mac");
byte[] sha1Result = CheckMacContainer.HashWorker.ComputeHash(hashDataBytes);
string mac = CheckMacContainer.Mac2Manager.GetAuthMac(reader_id, transTime, sha1Result);
resMsgUility.SetStr(mac, response, "Mac");
log.Debug(m => m("8.Response mac: {0}", mac));
}
/// <summary>
/// 依據Request設定card情報屬性値
/// </summary>
/// <param name="msgBytes">Origin Request byte array</param>
/// <param name="msgUtility">Request Msg Parser</param>
protected virtual void SetCardInfo(IMsgUtility msgUtility,byte[] msgBytes)
{
//Response要用的資料部分
this.cardFormatMemberId = msgUtility.GetBytes(msgBytes, "CardFormatMemberId");
this.cardNo = msgUtility.GetStr(msgBytes, "CardNo");
this.cardExpireDate1 = msgUtility.GetStr(msgBytes, "CardExpireDate1");
this.cardExpireDate2 = msgUtility.GetStr(msgBytes, "CardExpireDate2");
}
/// <summary>
/// 檢驗Request的MAC
/// </summary>
/// <param name="msgBytes">Origin Request byte array</param>
/// <param name="msgUtility">Request Msg Parser</param>
/// <returns>true:success/false:failed</returns>
protected virtual bool CheckMac(IMsgUtility msgUtility,byte[] msgBytes)
{
bool result = false;
try
{
log.Debug(m => m("1.開始驗證MAC"));
//設定Card情報:驗證失敗的時候用
this.SetCardInfo(msgUtility, msgBytes);
//reader id 取前面16個字串
this.readerId = msgUtility.GetStr(msgBytes, "ReaderId").Substring(0, 16);
//取交易時間
this.transDateTime = msgUtility.GetStr(msgBytes, "TransDateTime"); ;
//取後面的mac:要用來檢查data部分是否有被串改
this.mac = msgUtility.GetStr(msgBytes, "Mac");
//將data的部分取出作SHA1
byte[] hashData = msgUtility.GetBytes(msgBytes, "HeaderVersion", "Mac");
byte[] hashResult = CheckMacContainer.HashWorker.ComputeHash(hashData);
//開始檢查hash過的data部分是否與mac値一致
result = CheckMacContainer.Mac2Manager.ChkInitMac(this.readerId, this.transDateTime, hashResult, this.mac);
log.Debug(m => m("2.結束驗證MAC:{0}", result.ToString()));
return result;
}
catch (Exception ex)
{
log.Error(m => m("[State_AutoLoadQuery][CheckMac] Error: {0} \r\n{1}", ex.Message, ex.StackTrace));
return false;
}
}
private string GenMac(IMsgUtility msgUtility,string data,int macLength = 8)
{
byte[] result = Encoding.ASCII.GetBytes(data);
result = result.Concat(new byte[macLength]).ToArray();//insert a byte[ mac length ]
string readerId = msgUtility.GetStr(result, "ReaderId").Substring(0, 16);
string transDatetime = msgUtility.GetStr(result, "TransDateTime");
// fetch sha1 data
byte[] hashDataBytes = msgUtility.GetBytes(result, "HeaderVersion", "Mac");
byte[] sha1Result = MsgContainer.HashWorker.ComputeHash(hashDataBytes);
string macStr = MsgContainer.Mac2Manager.GetAuthMac(readerId, transDatetime, sha1Result);
return macStr;
}