WebGrease assembly digital signature expires RRS feed

  • Question

  • User-760876411 posted
    We use WebGrease library in our ASP.NET MVC application, I ran into a problem during our internal validation process: the latest webgrease library we downloaded from Nuget has an expired certificate!

    The steps to replicate are very simple:

    1. Create an ASP.NET 4.5 Web Application

    2. Use Nuget to pull down the latest WebGrease library

    3. Check the digital certificate of the WebGrease assembly, hitting "Advanced" button, and you will notice that the Microsoft Code Signing PCA is valid between 1/25/2013 till 4/25/2014. In other words, the digital certificate has expired long times ago.

    We cannot simply bypass the internal validation process in our company, thus I am wondering if there is a process to get an updated WebGrease.dll with validate certificate? I've actually tried to contact the library's author via Nuget's website, but didn't receive any response so far. Thanks for your kind help in advance!
    Friday, July 27, 2018 2:40 AM


  • User283571144 posted

    Hi lakeeast,

    As far as I know, the WebGrease's last update date is 2014/1/23.

    So we couldn't get the update certificate.

    If you want to use it, you could only connect to the webgrease team. Please send E-mail to  "webgrease@microsoft.com".

    Best Regards,


    • Marked as answer by Anonymous Thursday, October 7, 2021 12:00 AM
    Monday, July 30, 2018 2:47 AM