[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:  new                                  
 Priority:  Normal              |   Milestone:                                       
Component:  ports               |     Version:  2.0.1                                
 Keywords:                      |        Port:                                       
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 I'm working with a fresh install of MacPorts on OS X 10.7.1 Lion. I
 updated my Xcode to 4.1 prior to the MacPorts install.

 I can't install any ports. Every port I've tried gives me the error:

 Error: Target org.macports.archivefetch returned: Failed to verify
 signature for archive!

 I've tried a variety of ports, I get the same error every time. I've
 cleaned the ports and tried re-installing, but get the same error. I've
 re-installed MacPorts, that doesn't help either.

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