protected bool CalcMac_CBC_X99(byte[] DATA, byte[] hardKey, byte[] softKey, AlgorithmType alType, byte[] MAC)
{
try
{
Esam.FuncRet eRet = Esam.FuncRet.ESAM_FAIL;
if (EnType == EncryptType.Hardware && alType == AlgorithmType.X99)
{
eRet = Esam.EsamCalcMac(hardKey, DATA, DATA.Length, MAC);
if (eRet != Esam.FuncRet.ESAM_SUCC)
{
return(false);
}
else
{
return(true);
}
}
else if (EnType == EncryptType.Hardware && alType == AlgorithmType.CBC && DType == DesType.Des)
{
eRet = Esam.EsamCalcMac(hardKey, DATA, DATA.Length, MAC);
if (eRet != Esam.FuncRet.ESAM_SUCC)
{
return(false);
}
else
{
return(true);
}
}
else
{
EncryptType tmp = EnType;
EnType = EncryptType.Soft;
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 (DType == DesType.Des && EnType == EncryptType.Hardware)
//{
// //这里用EsamCalcMac函数代替计算，效果相同
// eRet = Esam.EsamCalcMac(Global.gMackey, tmpRet, 8, tmpRetEncrypt);
//}
//else
if (DType == DesType.Des && EnType == EncryptType.Soft)
{
//DES软加密
tmpRetEncrypt = DesEncrypt(tmpRet, softKey);
eRet = Esam.FuncRet.ESAM_SUCC;
}
else if (DType == DesType.TripleDes && alType == AlgorithmType.CBC)
{
switch (EnType)
{
case EncryptType.Hardware:
//这里用EsamCalcMac函数代替计算，效果相同
eRet = Esam.EsamCalcMac(hardKey, tmpRet, 8, tmpRetEncrypt);
break;
case EncryptType.Soft:
//3DES软加密
tmpRetEncrypt = TripleDesEncrypt(tmpRet, softKey);
eRet = Esam.FuncRet.ESAM_SUCC;
break;
}
}
else if (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 = TripleDesEncrypt(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.FuncRet.ESAM_SUCC;
}
else
{
//DES软加密
byte[] tmpKey = new byte[8];
Array.Copy(softKey, tmpKey, 8);
tmpRetEncrypt = DesEncrypt(tmpRet, tmpKey);
eRet = Esam.FuncRet.ESAM_SUCC;
}
}
if (eRet == Esam.FuncRet.ESAM_SUCC)
{
Array.Copy(tmpRetEncrypt, tmpRet, 8);
}
else
{
return(false);
}
}
Array.Copy(tmpRet, MAC, 8);
EnType = tmp;
return(true);
}
}
catch (System.Exception e)
{
AppLog.Write("[CalcMac_CBC_X99]Error!\n" + e.ToString(), AppLog.LogMessageType.Error, this.GetType());
return(false);
}
}
private bool CalcMac_ECB(byte[] DATA, byte[] MAC)
{
try
{
Esam.FuncRet eRet = Esam.FuncRet.ESAM_FAIL;
byte[] xorRet = CalcMacXor(DATA);
string strXor = 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 (EnType)
{
case EncryptType.Hardware:
//这里用EsamCalcMac函数代替计算，效果相同
eRet = Esam.EsamCalcMac(Global.gMackey, beforeByte, 8, encryptData);
break;
case EncryptType.Soft:
switch (DType)
{
case DesType.Des:
//DES软加密
encryptData = DesEncrypt(beforeByte, WorkKey);
break;
case DesType.TripleDes:
//3DES软加密
encryptData = TripleDesEncrypt(beforeByte, WorkKey);
break;
}
eRet = Esam.FuncRet.ESAM_SUCC;
break;
}
#endregion
if (eRet == Esam.FuncRet.ESAM_SUCC)
{
for (int i = 0; i < 8; i++)
{
xorRet[i] = Convert.ToByte(encryptData[i] ^ afterByte[i]);
}
#region 第二次计算
switch (EnType)
{
case EncryptType.Hardware:
//这里用EsamCalcMac函数代替计算，效果相同
eRet = Esam.EsamCalcMac(Global.gMackey, xorRet, 8, encryptData);
break;
case EncryptType.Soft:
switch (DType)
{
case DesType.Des:
//DES软加密
encryptData = DesEncrypt(xorRet, WorkKey);
break;
case DesType.TripleDes:
//3DES软加密
encryptData = TripleDesEncrypt(xorRet, WorkKey);
break;
}
eRet = Esam.FuncRet.ESAM_SUCC;
break;
}
#endregion
if (eRet == Esam.FuncRet.ESAM_SUCC)
{
strXor = 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)
{
AppLog.Write("[CalcMac_ECB]Error!\n" + e.ToString(), AppLog.LogMessageType.Error, this.GetType());
return(false);
}
}
