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NuGet Warning NU3030

  • Article 
Package 'SamplePackage v1.0.0' from source 'https://contoso.com/index.json': The primary signature's timestamp's message imprint uses an unsupported hash algorithm.

Issue

The primary signature's timestamp's message imprint uses an unsupported hash algorithm.

Solution

Request the package author to re-sign the package using the nuget sign command as described in NuGet docs using the -Timestamper option such that the timestamp's message imprint uses one of the following hash algorithms -

  • SHA-2-256
  • SHA-2-384
  • SHA-2-512

Note

When running the nuget verify -signatures command, NU3030 is raised as an error. Otherwise, NU3030 is raised as a warning.