[MacPorts] #30939: Keep getting error: "Failed to verify signature for archive"

[MacPorts]

#30939: Keep getting error: "Failed to verify signature for archive"
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  Reporter:  urban.48@…          |       Owner:  macports-tickets@…                   
      Type:  defect              |      Status:  reopened                             
  Priority:  Normal              |   Milestone:                                       
 Component:  ports               |     Version:  2.0.1                                
Resolution:                      |    Keywords:                                       
      Port:                      |  
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Comment(by urban.48@…):

 I just tried installing these ports again, and now things are working
 fine. I didn't do anything different, nor did I re-install MacPorts. The
 only thing different is now I am on my university network rather than my
 home network.

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Ticket URL: <https://trac.macports.org/ticket/30939#comment:4>
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