[or-cvs] [tor/master] proposals tweaks patch
Nick Mathewson
nickm at seul.org
Mon Jun 8 03:53:17 UTC 2009
Author: Roger Dingledine <arma at mit.edu>
Date: Sun, 7 Jun 2009 15:07:23 -0400
Subject: proposals tweaks patch
Commit: 08fd7e61c718d2016705a52365e219f9d42181c6
is attached
--roger
>From 674f087ab98e1711bb533acf23ee88c7c2a1dfdb Mon Sep 17 00:00:00 2001
From: Roger Dingledine <arma at torproject.org>
Date: Sun, 7 Jun 2009 14:37:32 -0400
Subject: [PATCH] minor edits on proposals
---
doc/spec/proposals/158-microdescriptors.txt | 7 ++++---
doc/spec/proposals/162-consensus-flavors.txt | 16 ++++++++--------
2 files changed, 12 insertions(+), 11 deletions(-)
diff --git a/doc/spec/proposals/158-microdescriptors.txt b/doc/spec/proposals/158-microdescriptors.txt
index c8a3542..6f53b9d 100644
--- a/doc/spec/proposals/158-microdescriptors.txt
+++ b/doc/spec/proposals/158-microdescriptors.txt
@@ -8,7 +8,7 @@ Status: Open
15 May 2009: Substantially revised based on discussions on or-dev
from late January. Removed the notion of voting on how to choose
- microdescriptors; made it just a function of the consesus method.
+ microdescriptors; made it just a function of the consensus method.
(This lets us avoid the possibility of "desynchronization.")
Added suggestion to use a new consensus flavor. Specified use of
SHA256 for new hashes. -nickm
@@ -47,7 +47,7 @@ Status: Open
3. Design
There are three pieces to the proposal. First, authorities will list in
- their votes (and thus in the consensus) the expected hash
+ their votes (and thus in the consensus) the expected hash
of microdescriptor for each relay. Second, directory mirrors will serve
microdescriptors. Third, clients will ask for them and cache them.
@@ -111,7 +111,7 @@ Status: Open
This new consensus flavor should be signed with the sha256 signature
format as documented in proposal 162.
-3.2. Directory mirrors serve microdescriptors
+3.2. Directory mirrors fetch, cache, and serve microdescriptors
Directory mirrors should then read the microdescriptor-elements line
from the consensus, and learn how to answer requests. (Directory mirrors
@@ -122,6 +122,7 @@ Status: Open
http://<hostname>/tor/micro/d/<D1>-<D2>-<D3>.z
(We use base64 for size and for consistency with the consensus
format. We use -s instead of +s to separate these items, since
+ ... since...?
All the microdescriptors from the current consensus should also be
available at:
diff --git a/doc/spec/proposals/162-consensus-flavors.txt b/doc/spec/proposals/162-consensus-flavors.txt
index da14057..caff96c 100644
--- a/doc/spec/proposals/162-consensus-flavors.txt
+++ b/doc/spec/proposals/162-consensus-flavors.txt
@@ -5,7 +5,6 @@ Created: 14-May-2009
Target: 0.2.2
Status: Open
-
Overview:
This proposal describes a way to publish each consensus in
@@ -67,8 +66,8 @@ Spec modifications:
The supported consensus flavors are defined as part of the
authorities' consensus method.
- For each supported flavors, every authority calculates another
- consensus document of as-yet-unspecified format, and exchange
+ For each supported flavor, every authority calculates another
+ consensus document of as-yet-unspecified format, and exchanges
detached signatures for these documents as in the current consensus
design.
@@ -112,7 +111,7 @@ Spec modifications:
Documents = Document*
Document = "document" SP flavor SP SignedLength
1*(SP AlgorithmName "=" Digest) NL
- Signatures = Signature *
+ Signatures = Signature*
Signature = "directory-signature" SP algname SP identity
SP signing-key-digest NL signature
@@ -141,15 +140,15 @@ Spec modifications:
The 'SHA256' signature format for directory objects is defined as
the RSA signature of the OAEP+-padded SHA256 digest of the SHA256
- digest of the the item to be signed. When checking signatures,
- the signature MUST be treated as valid if the signed material
+ digest of the item to be signed. When checking signatures,
+ the signature MUST be treated as valid if the signature material
begins with SHA256(SHA256(document)); this allows us to add other
data later.
Considerations:
- We should not create a new flavor of consensus when adding a
- field wouldn't be too onerous.
+ field instead wouldn't be too onerous.
- We should not proliferate flavors lightly: clients will be
distinguishable based on which flavor they download.
@@ -159,7 +158,7 @@ Migration:
- Stage one: authorities begin generating and serving
consensus-index files.
- - Stage two: Caches begin downloading consenusus-index files,
+ - Stage two: Caches begin downloading consensus-index files,
validating them, and using them to decide what flavors of
consensus documents to cache. They download all listed
documents, and compare them to the digests given in the
@@ -176,3 +175,4 @@ Acknowledgements:
Aspects of this design and its applications to hash migration were
heavily influenced by IRC conversations with Marian.
+
--
1.5.6.5
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