Re: [tor-dev] Proposal: The move to two guard nodes

2018-04-18 Thread Mike Perry
Roger Dingledine: > On Wed, Apr 11, 2018 at 11:15:44AM +, Mike Perry wrote: > > > To be clear, the design I've been considering here is simply allowing > > > reuse between the guard hop and the final hop, when it can't be avoided. I > > > don't mean to allow the guard (or its family) to show up

Re: [tor-dev] Proposal: The move to two guard nodes

2018-04-18 Thread Roger Dingledine
On Wed, Apr 11, 2018 at 11:15:44AM +, Mike Perry wrote: > > To be clear, the design I've been considering here is simply allowing > > reuse between the guard hop and the final hop, when it can't be avoided. I > > don't mean to allow the guard (or its family) to show up as all four > > hops in t

Re: [tor-dev] Proposal: The move to two guard nodes

2018-04-13 Thread Mike Perry
Roger Dingledine: > On Sat, Mar 31, 2018 at 06:52:51AM +, Mike Perry wrote: > > 3.1. Eliminate path restrictions entirely > > > I'm increasingly a fan of this option, the more I read these threads. > > Let's examine the two attacker assumptions behind two of the attacks > we're worried about.

Re: [tor-dev] Proposal: The move to two guard nodes

2018-04-12 Thread Roger Dingledine
On Sat, Mar 31, 2018 at 06:52:51AM +, Mike Perry wrote: > The main argument for switching to two guards is that because of Tor's > path restrictions, we're already using two guards, but we're using them > in a suboptimal and potentially dangerous way. > > Tor's path restrictions enforc

Re: [tor-dev] Proposal: The move to two guard nodes

2018-04-12 Thread George Kadianakis
Mike Perry writes: > In-line below for ease of comment. Also available at: > https://gitweb.torproject.org/user/mikeperry/torspec.git/tree/proposals/xxx-two-guard-nodes.txt?h=twoguards > > === > > Filename: xxx-two-guard-nodes.txt > Title: The move to two guard nodes > Aut

Re: [tor-dev] Proposal: The move to two guard nodes

2018-04-10 Thread George Kadianakis
Mike Perry writes: > In-line below for ease of comment. Also available at: > https://gitweb.torproject.org/user/mikeperry/torspec.git/tree/proposals/xxx-two-guard-nodes.txt?h=twoguards > > === > > Filename: xxx-two-guard-nodes.txt > Title: The move to two guard nodes > Aut

Re: [tor-dev] Proposal: The move to two guard nodes

2018-04-03 Thread Nick Mathewson
On Sat, Mar 31, 2018 at 2:52 AM, Mike Perry wrote: > In-line below for ease of comment. Also available at: > https://gitweb.torproject.org/user/mikeperry/torspec.git/tree/proposals/xxx-two-guard-nodes.txt?h=twoguards > > === > > Filename: xxx-two-guard-nodes.txt > Title: Th

[tor-dev] Proposal: The move to two guard nodes

2018-04-02 Thread Mike Perry
In-line below for ease of comment. Also available at: https://gitweb.torproject.org/user/mikeperry/torspec.git/tree/proposals/xxx-two-guard-nodes.txt?h=twoguards === Filename: xxx-two-guard-nodes.txt Title: The move to two guard nodes Author: Mike Perry Created: 2018-03-22