Re: [Trans] draft-linus-trans-gossip-ct-01 doesn't work
Paul Wouters <paul@nohats.ca> Thu, 26 March 2015 15:50 UTC
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Date: Thu, 26 Mar 2015 11:49:30 -0400
From: Paul Wouters <paul@nohats.ca>
To: Watson Ladd <watsonbladd@gmail.com>
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Subject: Re: [Trans] draft-linus-trans-gossip-ct-01 doesn't work
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On Thu, 26 Mar 2015, Watson Ladd wrote: > Suppose I can consistently redirect a client C to a masquerading > server M. The proposed gossip mechanism will not detect this, as SCTs > are only ever sent back to the server they are received from. This > should be fixed by having clients gossip constantly about STHs, thus > ensuring that if any honest server is contacted, the MITM is detected. First of all, this is very unlikely and consumes a lot of resources. Second, the webserver <-> webclient is not the only path for gossip. Please have a look at the diagram on page 6 of the gossip presentation from last Monday: http://www.ietf.org/proceedings/92/slides/slides-92-trans-3.pdf Paul
- [Trans] draft-linus-trans-gossip-ct-01 doesn't wo… Watson Ladd
- Re: [Trans] draft-linus-trans-gossip-ct-01 doesn'… Paul Wouters
- Re: [Trans] draft-linus-trans-gossip-ct-01 doesn'… Nico Williams
- Re: [Trans] draft-linus-trans-gossip-ct-01 doesn'… Tom Ritter