public void Dispose()
{
if (UnionChoice == UnionChoice.File)
{
using (var info = new WintrustFileInfo()) {
Marshal.PtrToStructure(InfoStruct, info);
}
Marshal.DestroyStructure(InfoStruct, typeof(WintrustFileInfo));
}
Marshal.FreeHGlobal(InfoStruct);
}
private static uint WinVerifyTrust(string fileName)
{
var actionGenericVerifyV2 = new Guid("{00AAC56B-CD44-11d0-8CC2-00C04FC295EE}");
using (var fileInfo = new WintrustFileInfo(fileName, Guid.Empty))
using (var guidPtr = new UnmanagedPointer(Marshal.AllocHGlobal(Marshal.SizeOf(typeof(Guid))), AllocMethod.HGlobal))
using (var dataPtr = new UnmanagedPointer(Marshal.AllocHGlobal(Marshal.SizeOf(typeof(WintrustData))), AllocMethod.HGlobal)) {
var data = new WintrustData(fileInfo);
IntPtr pGuid = guidPtr, pData = dataPtr;
Marshal.StructureToPtr(actionGenericVerifyV2, pGuid, true);
Marshal.StructureToPtr(data, pData, true);
return(WinVerifyTrust(IntPtr.Zero, pGuid, pData));
}
}
public WintrustData(WintrustFileInfo fileInfo)
{
CbStruct = (uint)Marshal.SizeOf(typeof(WintrustData));
InfoStruct = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(WintrustFileInfo)));
Marshal.StructureToPtr(fileInfo, InfoStruct, false);
UnionChoice = UnionChoice.File;
PolicyCallbackData = IntPtr.Zero;
SipCallbackData = IntPtr.Zero;
UiChoice = UiChoice.NoUi;
RevocationChecks = RevocationCheckFlags.None;
StateAction = StateAction.Ignore;
StateData = IntPtr.Zero;
UrlReference = IntPtr.Zero;
ProviderFlags = TrustProviderFlags.Safer;
UiContext = UiContext.Execute;
}
