public byte[] LoadDll(string dllPath, byte level, int sizeKey, byte[] requestSeed, int dlltype, int extraByteSize, byte[] extraByte)
{
IntPtr hModule = NativeMethod.LoadLibrary(dllPath);
if (hModule == IntPtr.Zero)
{
return(null); //如果dll文件不存在，返回空
}
byte[] seedKey = new byte[sizeKey]; //声明seedKey，用于存储返回的key值
byte[] bytes = new byte[sizeKey];
uint actual = 0;
IntPtr intPtr;
if (dlltype == 0)
{
intPtr = NativeMethod.GetProcAddress(hModule, "ES_CalculateKeyFromSeed");
ES_CalculateKeyFromSeed eS_CalculateKeyFromSeed = (ES_CalculateKeyFromSeed)Marshal.GetDelegateForFunctionPointer(intPtr, typeof(ES_CalculateKeyFromSeed));
eS_CalculateKeyFromSeed(level, sizeKey, extraByteSize, ref requestSeed[0], ref seedKey[0], ref extraByte[0]);
}
else if (dlltype == 1)
{
intPtr = NativeMethod.GetProcAddress(hModule, "GenerateKeyExOpt");
GenerateKeyExOpt generateKeyExOpt = (GenerateKeyExOpt)Marshal.GetDelegateForFunctionPointer(intPtr, typeof(GenerateKeyExOpt));
generateKeyExOpt(ref requestSeed[0], sizeKey, level, ref bytes[0], ref bytes[0], ref seedKey[0], 8, ref actual);
}
else if (dlltype == 2)
{
if (intESWSecurityLevel == 0)
{
intPtr = NativeMethod.GetProcAddress(hModule, "CalcKeys");
CalcKeys calcKeys = (CalcKeys)Marshal.GetDelegateForFunctionPointer(intPtr, typeof(CalcKeys));
calcKeys(ref requestSeed[0], ref seedKey[0], ref bytes[0], ref bytes[0], ref bytes[0]);
}
else if (intESWSecurityLevel == 1)
{
intPtr = NativeMethod.GetProcAddress(hModule, "CalcKeys1");
CalcKeys1 calcKeys1 = (CalcKeys1)Marshal.GetDelegateForFunctionPointer(intPtr, typeof(CalcKeys1));
calcKeys1(ref requestSeed[0], ref seedKey[0], ref bytes[0], ref bytes[0], ref bytes[0]);
}
else if (intESWSecurityLevel == 2)
{
intPtr = NativeMethod.GetProcAddress(hModule, "CalcKeys2");
CalcKeys2 calcKeys2 = (CalcKeys2)Marshal.GetDelegateForFunctionPointer(intPtr, typeof(CalcKeys1));
calcKeys2(ref requestSeed[0], ref seedKey[0], ref bytes[0], ref bytes[0], ref bytes[0]);
}
else if (intESWSecurityLevel == 3)
{
intPtr = NativeMethod.GetProcAddress(hModule, "CalcKeys3");
CalcKeys3 calcKeys3 = (CalcKeys3)Marshal.GetDelegateForFunctionPointer(intPtr, typeof(CalcKeys1));
calcKeys3(ref requestSeed[0], ref seedKey[0], ref bytes[0], ref bytes[0], ref bytes[0]);
}
else
{
}
}
else if (dlltype == 3)
{
intPtr = NativeMethod.GetProcAddress(hModule, "CalcKeys");
CalcKeys calcKeys = (CalcKeys)Marshal.GetDelegateForFunctionPointer(intPtr, typeof(CalcKeys));
calcKeys(ref requestSeed[0], ref seedKey[0], ref bytes[0], ref bytes[0], ref bytes[0]);
}
else if (dlltype == 4)
{
intPtr = NativeMethod.GetProcAddress(hModule, "CalcKeys1");
CalcKeys1 calcKeys1 = (CalcKeys1)Marshal.GetDelegateForFunctionPointer(intPtr, typeof(CalcKeys1));
calcKeys1(ref requestSeed[0], ref seedKey[0], ref bytes[0], ref bytes[0], ref bytes[0]);
}
NativeMethod.FreeLibrary(hModule);
return(seedKey);
}