private static bool kull_m_crypto_CryptGetProvParam(IntPtr hProv, uint dwParam, bool withError, IntPtr data, ref uint cbData, ref uint simpleDWORD)
{
bool status = false;
uint dwSizeNeeded = 0;;
IntPtr psimpleDWORD = Marshal.AllocHGlobal(sizeof(uint));
if (simpleDWORD != 0)
{
dwSizeNeeded = sizeof(uint);
if (Natives.CryptGetProvParam(hProv, dwParam, psimpleDWORD, ref dwSizeNeeded, 0))
{
simpleDWORD = (uint)Marshal.ReadInt32(psimpleDWORD);
status = true;
}
else if (withError)
{
Console.WriteLine("CryptGetProvParam(simple DWORD)");
}
}
else
{
if (Natives.CryptGetProvParam(hProv, dwParam, IntPtr.Zero, ref dwSizeNeeded, 0))
{
data = Marshal.AllocHGlobal((int)dwSizeNeeded);
if (data != IntPtr.Zero)
{
if (Natives.CryptGetProvParam(hProv, dwParam, data, ref dwSizeNeeded, 0))
{
if (cbData != 0)
{
cbData = dwSizeNeeded;
}
status = true;
}
else
{
if (withError)
{
Console.WriteLine("CryptGetProvParam(data)");
}
Marshal.FreeHGlobal(data);
}
}
}
else if (withError)
{
Console.WriteLine("CryptGetProvParam(init)");
}
}
return(status);
}
