Re: [ietf-dkim] Deployment Scenario 7: Cryptographic Upgrade and Downgra

So is this still a real problem for DKIM?
Yes, it still is, because we didn't say (and should not have said) "MUSTNOT implement any other signature algorithm".



How is that a problem?

d/

--

  Dave Crocker
  Brandenburg InternetWorking
  bbiw.net
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Re: [ietf-dkim] Deployment Scenario 7: Cryptographic Upgrade and Downgrade Attacks, (continued) Re: [ietf-dkim] Deployment Scenario 7: Cryptographic Upgrade and Downgrade Attacks, Dave Crocker Re: [ietf-dkim] Deployment Scenario 7: Cryptographic Upgrade and Downgrade Attacks, Hector Santos Re: [ietf-dkim] Deployment Scenario 7: Cryptographic Upgrade and Downgrade Attacks, Paul Hoffman Re: [ietf-dkim] Deployment Scenario 7: Cryptographic Upgrade and Downgrade Attacks, Dave Crocker Message not available Re: [ietf-dkim] Deployment Scenario 7: Cryptographic Upgrade and Downgrade Attacks, Tony Hansen Re: [ietf-dkim] Deployment Scenario 7: Cryptographic Upgrade and Downgrade Attacks, John Levine Re: [ietf-dkim] Deployment Scenario 7: Cryptographic Upgrade and Downgrade Attacks, Jim Fenton Re: [ietf-dkim] Deployment Scenario 7: Cryptographic Upgrade and Downgrade Attacks, Michael Thomas [ietf-dkim] Email upgrade history, Dave Crocker Re: [ietf-dkim] Deployment Scenario 7: Cryptographic Upgrade and Downgrade Attacks, Paul Hoffman Re: [ietf-dkim] Deployment Scenario 7: Cryptographic Upgrade and Downgrade Attacks, Dave Crocker <= Re: [ietf-dkim] Deployment Scenario 7: Cryptographic Upgrade and Downgrade Attacks, Michael Thomas Re: [ietf-dkim] Deployment Scenario 7: Cryptographic Upgrade and Downgrade Attacks, Jon Callas Re: [ietf-dkim] Deployment Scenario 7: Cryptographic Upgrade and Downgrade Attacks, Charles Lindsey Re: [ietf-dkim] Deployment Scenario 7: Cryptographic Upgrade and Downgrade Attacks, Michael Thomas Re: [ietf-dkim] Deployment Scenario 7: Cryptographic Upgrade and Downgrade Attacks, Jon Callas Re: [ietf-dkim] Deployment Non-Scenario 7: Cryptographic Upgrade and Downgrade Attacks, John Levine Re: [ietf-dkim] Deployment Non-Scenario 7: Cryptographic Upgrade and Downgrade Attacks, Charles Lindsey 1368 straw-poll : (was: Re: [ietf-dkim] Deployment Non-Scenario 7: Cryptographic Upgrade and Downgrade Attacks), Stephen Farrell [ietf-dkim] Re: 1368 straw-poll :, Michael Thomas Message not available [ietf-dkim] Re: 1368 straw-poll :, Michael Thomas

Re: [ietf-dkim] Deployment Scenario 7: Cryptographic Upgrade and Downgrade Attacks