[tor-commits] [torspec/master] Add AUTHORIZE cell type to tor-spec.txt from prop187

[nickm@xxxxxxxxxxxxxx]

commit 363c86587df057f1b2cd1ba429d6a0a8873ee983
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Wed Jan 11 12:33:56 2012 -0500

    Add AUTHORIZE cell type to tor-spec.txt from prop187
---
 proposals/000-index.txt             |    8 ++++----
 proposals/187-allow-client-auth.txt |    2 +-
 tor-spec.txt                        |   12 ++++++++++--
 3 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/proposals/000-index.txt b/proposals/000-index.txt
index 950bc38..92669b9 100644
--- a/proposals/000-index.txt
+++ b/proposals/000-index.txt
@@ -107,10 +107,10 @@ Proposals by number:
 184  Miscellaneous changes for a v3 Tor link protocol [CLOSED]
 185  Directory caches without DirPort [OPEN]
 186  Multiple addresses for one OR or bridge [DRAFT]
-187  Reserve a cell type to allow client authorization [OPEN]
+187  Reserve a cell type to allow client authorization [CLOSED]
 188  Bridge Guards and other anti-enumeration defenses [OPEN]
 189  AUTHORIZE and AUTHORIZED cells [OPEN]
-190  Password-based Bridge Client Authorization [OPEN]
+190  Bridge Client Authorization Based on a Shared Secret [OPEN]
 191  Bridge Detection Resistance against MITM-capable Adversaries [OPEN]
 192  Automatically retrieve and store information about bridges [OPEN]
 
@@ -142,10 +142,9 @@ Proposals by status:
    177  Abstaining from votes on individual flags [for 0.2.3.x]
    180  Pluggable transports for circumvention [for 0.2.3.x]
    185  Directory caches without DirPort
-   187  Reserve a cell type to allow client authorization [for 0.2.3.x]
    188  Bridge Guards and other anti-enumeration defenses
    189  AUTHORIZE and AUTHORIZED cells
-   190  Password-based Bridge Client Authorization
+   190  Bridge Client Authorization Based on a Shared Secret
    191  Bridge Detection Resistance against MITM-capable Adversaries
    192  Automatically retrieve and store information about bridges [for 0.2.[45].x]
  ACCEPTED:
@@ -205,6 +204,7 @@ Proposals by status:
    181  Optimistic Data for Tor: Client Side [in 0.2.3.3-alpha]
    183  Refill Intervals [in 0.2.3.5-alpha]
    184  Miscellaneous changes for a v3 Tor link protocol [for 0.2.3.x]
+   187  Reserve a cell type to allow client authorization [for 0.2.3.x]
  SUPERSEDED:
    112  Bring Back Pathlen Coin Weight
    113  Simplifying directory authority administration
diff --git a/proposals/187-allow-client-auth.txt b/proposals/187-allow-client-auth.txt
index 6a9e2da..67c878e 100644
--- a/proposals/187-allow-client-auth.txt
+++ b/proposals/187-allow-client-auth.txt
@@ -2,7 +2,7 @@ Filename: 187-allow-client-auth.txt
 Title: Reserve a cell type to allow client authorization
 Author: Nick Mathewson
 Created: 16-Oct-2011
-Status: Open
+Status: Closed
 Target: 0.2.3.x
 
 Overview:
diff --git a/tor-spec.txt b/tor-spec.txt
index 28eca98..fea3073 100644
--- a/tor-spec.txt
+++ b/tor-spec.txt
@@ -345,6 +345,7 @@ see tor-design.pdf.
          129 -- CERTS     (Certificates)            (See Sec 4.2)
          130 -- AUTH_CHALLENGE (Challenge value)    (See Sec 4.3)
          131 -- AUTHENTICATE (Client authentication)(See Sec 4.5)
+         132 -- AUTHORIZE (Client authorization)    (Not yet used)
 
    The interpretation of 'Payload' depends on the type of the cell.
       PADDING: Payload is unused.
@@ -399,8 +400,15 @@ see tor-design.pdf.
    authenticate, it waits until it gets the AUTH_CHALLENGE cell, and then
    sends a CERTS cell, an AUTHENTICATE cell (4.4), and a NETINFO
    cell.  When this handshake is in use, the first cell must
-   still be VERSIONS, and no other cell type is allowed to intervene
-   besides those specified, except for PADDING and VPADDING cells.
+   be VERSIONS, VPADDING or AUTHORIZE, and no other cell type is allowed to
+   intervene besides those specified, except for PADDING and VPADDING cells.
+
+   The AUTHORIZE cell type is reserved for future use by scanning-resistance
+   designs.
+
+   [Tor versions before 0.2.3.11-alpha did not recognize the AUTHORIZE cell,
+   and did not permit any command other than VERSIONS as the first cell of
+   the in-protocol handshake.]
 
 4.1. Negotiating versions with VERSIONS cells
 

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