Get timestamp from Authenticode Signed files in .NET

Question

We need to verify that binary files are signed properly with digital signature (Authenticode). This can be achieved with signtool.exe pretty easily. However, we need an auto

Answer 1

The provided answers didn't worked in my case for SHA256 signing method. I newer reached the bottom within those nested foreach loops. But Nuget AuthenticodeExaminer seams to works just fine. Here is example for single certificate with single timestamp:

        var extractor = new FileInspector(@"D:\Temp\file.exe");
        var signTime = extractor.GetSignatures().FirstOrDefault()?.TimestampSignatures.FirstOrDefault()?.TimestampDateTime?.UtcDateTime;