Re: [tor-dev] Proposal xxx: Consensus Hash Chaining

2015-01-10 Thread Leif Ryge
On Tue, Jan 06, 2015 at 05:51:53PM +, Andrea Shepard wrote: > Here's a proposal Nick Mathewson and I just wrote for ticket #11157. > > --- Begin proposal body --- > Filename: xxx-consensus-hash-chaining.txt > Title: Consensus Hash Chaining > Author: Nick Mathewson, Andrea Shepard > Created: 06

Re: [tor-dev] Proposal xxx: Consensus Hash Chaining

2015-01-10 Thread Nick Mathewson
On Tue, Jan 6, 2015 at 1:54 PM, Sebastian G. wrote: > 06.01.2015, 18:51 Andrea Shepard: >> Here's a proposal Nick Mathewson and I just wrote for ticket #11157. >> >> [...] >> 1. Introduction and overview >> >> To avoid some categories of attacks against directory authorities and their >> keys, it

Re: [tor-dev] Proposal xxx: Consensus Hash Chaining

2015-01-09 Thread Sebastian G.
06.01.2015, 18:51 Andrea Shepard: > All relying parties SHOULD by default retain all valid consensuses they > download plus two; [...] Unfortunately I did not consider this in my previous mail, but this does not account for the possibility that the valid-until ever increases. Depending on valid-u

Re: [tor-dev] Proposal xxx: Consensus Hash Chaining

2015-01-06 Thread Sebastian G.
06.01.2015, 18:51 Andrea Shepard: > Here's a proposal Nick Mathewson and I just wrote for ticket #11157. > > [...] > 1. Introduction and overview > > To avoid some categories of attacks against directory authorities and their > keys, it would be handy to have an explicit hash chain in consensuse

Re: [tor-dev] Proposal xxx: Consensus Hash Chaining

2015-01-06 Thread Nick Mathewson
On Tue, Jan 6, 2015 at 12:51 PM, Andrea Shepard wrote: > Here's a proposal Nick Mathewson and I just wrote for ticket #11157. > Thanks for writing this up! Added as proposal 239. ___ tor-dev mailing list tor-dev@lists.torproject.org https://lists.torpr

[tor-dev] Proposal xxx: Consensus Hash Chaining

2015-01-06 Thread Andrea Shepard
Here's a proposal Nick Mathewson and I just wrote for ticket #11157. --- Begin proposal body --- Filename: xxx-consensus-hash-chaining.txt Title: Consensus Hash Chaining Author: Nick Mathewson, Andrea Shepard Created: 06-Jan-2015 Status: Draft 1. Introduction and overview To avoid some categorie