New subject: [Bug 58564] Several NuGet "signature's certificate not trusted" errors while building WPF Projects Under Wine

4 Aug 2025


      http://bugs.winehq.org/show_bug.cgi?id=58564
Bug ID: 58564
           Summary: Several NuGet "signature's  certificate not trusted"
                    errors while building WPF Projects Under Wine
           Product: Wine
           Version: 10.12
          Hardware: x86-64
               URL: https://builds.dotnet.microsoft.com/dotnet/Sdk/8.0.412
                    /dotnet-sdk-8.0.412-win-x64.exe && wine
                    dotnet-sdk-8.0.412-win-x64.exe
                OS: Linux
            Status: NEW
          Keywords: download
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: wine-bugs@winehq.org
          Reporter: xerox.xerox2000x@gmail.com
      Distribution: Debian
This was reported on the forum: https://forum.winehq.org/viewtopic.php?t=41073
Steps to reproduce can be found in that link or below:
Steps to reproduce:
1. wget
https://builds.dotnet.microsoft.com/dotnet/Sdk/8.0.412/dotnet-sdk-8.0.412-wi...
&& wine dotnet-sdk-8.0.412-win-x64.exe
2. git clone https://github.com/iplus-framework/iPlus
3. wine cmd
4. cd iPlus/gip.ext.design\project
5. dotnet build gip.ext.design.csproj /p:Configuration=Debug /p:Platform="Any
CPU"
There appear several errors like:
Z:\home\louis\ramdisk\iPlus\gip.ext.design\project\gip.ext.design.csproj : erro
r NU3037: Package 'System.Private.ServiceModel 4.10.0' from source 'https://api
.nuget.org/v3/index.json': The repository countersignature validity period has 
expired.
Z:\home\louis\ramdisk\iPlus\gip.ext.design\project\gip.ext.design.csproj : erro
r NU3028: Package 'System.Private.ServiceModel 4.10.0' from source 'https://api
.nuget.org/v3/index.json': The repository countersignature's timestamping certi
ficate is not trusted by the trust provider.
In the link there's some more info -->
"https://github.com/NuGet/Home/issues/13252, this appears to be related to
.NET's enhanced certificate validation introduced in recent versions"
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[Bug 58564] New: Several NuGet "signature's certificate not trusted" errors while building WPF Projects Under Wine