Merge pull request #4059 from AenBleidd/vko_4058_windows_vs2019_adjust_signing_to_new_requirements

[Windows] Adjust executables signing process to new requirements from…

Author: davidpanderson

win_build/boinc_signing.targets

@@ -3,6 +3,6 @@
         <FilesToSign Include="$(OutDir)$(TargetName)$(TargetExt)" Condition="('$(TargetExt)' == '.exe' or '$(TargetExt)' == '.dll' or '$(TargetExt)' == '.scr')"/>
     </ItemGroup>
     <Target Name="Signing" DependsOnTargets="Build" AfterTargets="Build" Condition="('@(FilesToSign)' != '' and Exists('$(BUILDCODESIGN)\boinc.pfx'))">
-        <Exec Command='signtool sign /f "$(BUILDCODESIGN)/boinc.pfx" /p "$(CODESIGNBOINC)" /d "BOINC Client Software" /du "http://boinc.berkeley.edu" /t "http://timestamp.verisign.com/scripts/timstamp.dll" "@(FilesToSign)"' WorkingDirectory="$(MSBuildProjectDirectory)"/>
+        <Exec Command='signtool sign /f "$(BUILDCODESIGN)/boinc.pfx" /p "$(CODESIGNBOINC)" /fd sha256 /d "BOINC Client Software" /du "http://boinc.berkeley.edu" /t "http://timestamp.verisign.com/scripts/timstamp.dll" "@(FilesToSign)"' WorkingDirectory="$(MSBuildProjectDirectory)"/>
     </Target>
 </Project>