Change: Verify the signatures of the signed files with signtool verify

install/windows/build-app.bat

@@ -8,9 +8,15 @@ python .\setup-windows.py build
 REM code sign dangerzone.exe
 signtool.exe sign /v /d "Dangerzone" /a /n "Freedom of the Press Foundation" /fd sha256 /t http://time.certum.pl/ build\exe.win-amd64-3.12\dangerzone.exe
 
+REM verify the signature of dangerzone.exe
+signtool.exe verify /pa build\exe.win-amd64-3.12\dangerzone.exe
+
 REM code sign dangerzone-cli.exe
 signtool.exe sign /v /d "Dangerzone" /a /n "Freedom of the Press Foundation" /fd sha256 /t http://time.certum.pl/ build\exe.win-amd64-3.12\dangerzone-cli.exe
 
+REM verify the signature of dangerzone-cli.exe
+signtool.exe verify /pa build\exe.win-amd64-3.12\dangerzone-cli.exe
+
 REM build the wix file
 python install\windows\build-wxs.py > build\Dangerzone.wxs
 
@@ -23,6 +29,9 @@ REM code sign Dangerzone.msi
 insignia.exe -im Dangerzone.msi
 signtool.exe sign /v /d "Dangerzone" /a /n "Freedom of the Press Foundation" /fd sha256 /t http://time.certum.pl/ Dangerzone.msi
 
+REM verify the signature of Dangerzone.msi
+signtool.exe verify /pa Dangerzone.msi
+
 REM moving Dangerzone.msi to dist
 cd ..
 mkdir dist