private static bool CalcMac_ECB(PackageBase target, byte[] DATA, byte[] hardKey, byte[] softKey, byte[] MAC)
{
try
{
Esam.SetWorkmode(Esam.WorkMode.Encrypt);
Esam.Status eRet = Esam.Status.ESAM_FAIL;
byte[] xorRet = CalcMacXor(DATA);
string strXor = Utility.bcd2str(xorRet, 8);
byte[] newByte = Encoding.ASCII.GetBytes(strXor);
byte[] beforeByte = new byte[8];
byte[] afterByte = new byte[8];
Array.Copy(newByte, beforeByte, 8);
Array.Copy(newByte, 8, afterByte, 0, 8);
byte[] encryptData = new byte[8];
#region 第一次计算
switch (target.EnType)
{
case EncryptType.Hardware:
//这里用EsamCalcMac函数代替计算，效果相同
eRet = Esam.CalcMac(hardKey, beforeByte, 8, encryptData);
break;
case EncryptType.Soft:
switch (target.DType)
{
case DesType.Des:
//DES软加密
encryptData = Encrypt.DESEncrypt(beforeByte, softKey);
break;
case DesType.TripleDes:
//3DES软加密
encryptData = Encrypt.DES3Encrypt(beforeByte, softKey);
break;
}
eRet = Esam.Status.ESAM_SUCC;
break;
}
#endregion
if (eRet == Esam.Status.ESAM_SUCC)
{
for (int i = 0; i < 8; i++)
{
xorRet[i] = Convert.ToByte(encryptData[i] ^ afterByte[i]);
}
#region 第二次计算
switch (target.EnType)
{
case EncryptType.Hardware:
//这里用EsamCalcMac函数代替计算，效果相同
eRet = Esam.CalcMac(hardKey, xorRet, 8, encryptData);
break;
case EncryptType.Soft:
switch (target.DType)
{
case DesType.Des:
//DES软加密
encryptData = Encrypt.DESEncrypt(xorRet, softKey);
break;
case DesType.TripleDes:
//3DES软加密
encryptData = Encrypt.DES3Encrypt(xorRet, softKey);
break;
}
eRet = Esam.Status.ESAM_SUCC;
break;
}
#endregion
if (eRet == Esam.Status.ESAM_SUCC)
{
strXor = Utility.bcd2str(encryptData, 8);
newByte = Encoding.ASCII.GetBytes(strXor);
//MAC = new byte[8];
Array.Copy(newByte, MAC, 8);
return(true);
}
else
{
return(false);
}
}
else
{
return(false);
}
}
catch (System.Exception e)
{
Log.Error(target, e);
return(false);
}
finally
{
Esam.SetWorkmode(Esam.WorkMode.Default);
}
}
private static bool CalcMac_CBC_X99(PackageBase target, byte[] DATA, byte[] hardKey, byte[] softKey, AlgorithmType alType, byte[] MAC)
{
EncryptType tmp = target.EnType;
try
{
Esam.Status eRet = Esam.Status.ESAM_FAIL;
//Test 为了加速
target.EnType = EncryptType.Soft;
//if (target.EnType == EncryptType.Hardware && alType == AlgorithmType.X99)
//{
// eRet = Esam.CalcMac(hardKey, DATA, DATA.Length, MAC);
// if (eRet != Esam.Status.ESAM_SUCC)
// return false;
// else
// return true;
//}
//else if (target.EnType == EncryptType.Hardware && alType == AlgorithmType.CBC && target.DType == DesType.Des)
//{
// eRet = Esam.CalcMac(hardKey, DATA, DATA.Length, MAC);
// if (eRet != Esam.Status.ESAM_SUCC)
// return false;
// else
// return true;
//}
//else
//{
int len = (DATA.Length % 8 == 0 ? DATA.Length : DATA.Length + 8 - DATA.Length % 8);
byte[] cData = new byte[len];
Array.Copy(DATA, cData, DATA.Length);
byte[] tmpRet = new byte[8];
for (int i = 0; i < len; i += 8)
{
for (int j = 0; j < 8; j++)
{
tmpRet[j] ^= cData[j + i];
}
byte[] tmpRetEncrypt = new byte[8];
if (target.DType == DesType.Des && target.EnType == EncryptType.Hardware)
{
//这里用EsamCalcMac函数代替计算，效果相同
eRet = Esam.CalcMac(hardKey, tmpRet, 8, tmpRetEncrypt);
}
else
if (target.DType == DesType.Des && target.EnType == EncryptType.Soft)
{
//DES软加密
tmpRetEncrypt = Encrypt.DESEncrypt(tmpRet, softKey);
eRet = Esam.Status.ESAM_SUCC;
}
else if (target.DType == DesType.TripleDes && alType == AlgorithmType.CBC)
{
switch (target.EnType)
{
case EncryptType.Hardware:
//这里用EsamCalcMac函数代替计算，效果相同
eRet = Esam.CalcMac(hardKey, tmpRet, 8, tmpRetEncrypt);
break;
case EncryptType.Soft:
//3DES软加密
tmpRetEncrypt = Encrypt.DES3Encrypt(tmpRet, softKey);
eRet = Esam.Status.ESAM_SUCC;
break;
}
}
else if (target.DType == DesType.TripleDes && alType == AlgorithmType.X99)
{
//这里只有软加密一种可能，硬加密前面已处理
if (i == len - 8)
{
//3DES软加密
tmpRetEncrypt = Encrypt.DES3Encrypt(tmpRet, softKey);
//AppLog.Write("加密一次", AppLog.LogMessageType.Debug);
//AppLog.Write(Utility.bcd2str(softKey, softKey.Length), AppLog.LogMessageType.Debug);
//AppLog.Write(Utility.bcd2str(tmpRet, tmpRet.Length), AppLog.LogMessageType.Debug);
//AppLog.Write(Utility.bcd2str(tmpRetEncrypt, tmpRetEncrypt.Length), AppLog.LogMessageType.Debug);
eRet = Esam.Status.ESAM_SUCC;
}
else
{
//DES软加密
byte[] tmpKey = new byte[8];
Array.Copy(softKey, tmpKey, 8);
tmpRetEncrypt = Encrypt.DESEncrypt(tmpRet, tmpKey);
eRet = Esam.Status.ESAM_SUCC;
}
}
if (eRet == Esam.Status.ESAM_SUCC)
{
Array.Copy(tmpRetEncrypt, tmpRet, 8);
}
else
{
return(false);
}
}
Array.Copy(tmpRet, MAC, 8);
return(true);
//}
}
catch (System.Exception e)
{
Log.Error(target, e);
return(false);
}
finally
{
target.EnType = tmp;
}
}
private Result defaultInputPassword()
{
string strPin = "";
byte ubKey = 0;
Esam.Status nRet = Esam.Status.ESAM_CANCEL;
while (true)
{
if (UserToQuit)
{
return(Result.Cancel);
}
else if (TimeIsOut)
{
return(Result.TimeOut);
}
nRet = Esam.GetX98Pin(mPinKey, CommonData.BankCardNum, mPinLength, ref ubKey, ref strPin);
if ((nRet == Esam.Status.ESAM_KEY_PRESSED) && (ubKey == (byte)Char.Parse("*")))
{
ReportSync("LengthEnough");
KeyPressed('*');
}
if ((nRet == Esam.Status.ESAM_CLEAR))
{
BackSpace();
}
//按回车键
if ((nRet == Esam.Status.ESAM_SUCC))
{
if ((mCount > 0) && (mCount < mPinLength))
{
strPin = "";
Password = "";
ubKey = 0;
mCount = 0;
ReportSync("LengthNotEnough");
}
else if (mCount == 0)
{
if (mAllowBlank)
{
Password = "";
return(Result.Success);
}
else
{
strPin = "";
Password = "";
ubKey = 0;
mCount = 0;
ReportSync("LengthNotEnough");
}
}
else
{
Password = strPin;
return(Result.Success);
}
}
//取消键
if (nRet == Esam.Status.ESAM_CANCEL)
{
return(Result.Cancel);
}
//输入超时
if ((ubKey != 0) && (nRet == Esam.Status.ESAM_TIME_OUT))
{
return(Result.TimeOut);
}
//错误
if (nRet == Esam.Status.ESAM_FAIL)
{
return(Result.HardwareError);
}
}
}
