NuGet.config

<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <config>
    <add key="signatureValidationMode" value="require" />
    <add key="globalPackagesFolder" value="%USERPROFILE%/.nuget/TrustedPackages" />
  </config>

  <packageSources>
    <clear />
    <add key="nuget.org" value="https://api.nuget.org/v3/index.json" />
  </packageSources>

  <trustedSigners> 
    <repository name="nuget.org" serviceIndex="https://api.nuget.org/v3/index.json">
      <owners>Microsoft;aspnet;odinserj;xunit;jamesnk;kzu;castleproject;psake</owners>
      <certificate fingerprint="5a2901d6ada3d18260b9c6dfe2133c95d74b9eef6ae0e5dc334c8454d1477df4" hashAlgorithm="SHA256" allowUntrustedRoot="false" />
      <certificate fingerprint="0e5f38f57dc1bcc806d8494f4f90fbcedd988b46760709cbeec6f4219aa6157d" hashAlgorithm="SHA256" allowUntrustedRoot="false" />
      <certificate fingerprint="1f4b311d9acc115c8dc8018b5a49e00fce6da8e2855f9f014ca6f34570bc482d" hashAlgorithm="SHA256" allowUntrustedRoot="false" /> 
    </repository>
  </trustedSigners>

</configuration>