Strong Naming Guidance Application Block for Visual Studio 2008
Enterprise Library 4.0 has been released and the Strong Naming Guidance Application Block has been removed from the EntLib, but it is available as a separate download in entlibcontrib:
The direct link is here:
https://www.codeplex.com/entlibcontrib/SourceControl/DownloadSourceCode.aspx?changeSetId=18160 (Note that this is not a stable release)
If you are too lazy busy to download, open VS and compile you can download here the msi.