public static WinVerifyTrustResult VerifyEmbeddedSignature(string fileName)
{
using var wtfi = new WinTrustFileInfo(fileName);
using var wtd = new WinTrustData(wtfi);
var guidAction = new Guid(WINTRUST_ACTION_GENERIC_VERIFY_V2);
return(WinVerifyTrust(INVALID_HANDLE_VALUE, guidAction, wtd));
}
public static bool VerifyEmbeddedSignature(string fileName)
{
using var wtfi = new WinTrustFileInfo(fileName);
using var wtd = new WinTrustData(wtfi);
var guidAction = new Guid(WINTRUST_ACTION_GENERIC_VERIFY_V2);
var result = WinVerifyTrust(INVALID_HANDLE_VALUE, guidAction, wtd);
return(result == WinVerifyTrustResult.Success ||
result == WinVerifyTrustResult.UntrustedRoot ||
result == WinVerifyTrustResult.CertChaining);
}
private static extern WinVerifyTrustResult WinVerifyTrust(
[In] IntPtr hwnd,
[In][MarshalAs(UnmanagedType.LPStruct)] Guid pgActionID,
[In] WinTrustData pWVTData
);