[lsd0007] branch master updated: More wire formats

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martin-schanzenbach pushed a commit to branch master
in repository lsd0007.

The following commit(s) were added to refs/heads/master by this push:
     new b567101  More wire formats
b567101 is described below

commit b5671012094ca01bcea022bcc13b0ff470dc6fa8
Author: Martin Schanzenbach <schanzen@gnunet.org>
AuthorDate: Mon Jul 31 08:27:39 2023 +0200

    More wire formats
---
 draft-gnunet-communicators.xml | 75 +++++++++++++++++++++++++++++++++++++-----
 1 file changed, 66 insertions(+), 9 deletions(-)

diff --git a/draft-gnunet-communicators.xml b/draft-gnunet-communicators.xml
index 4c4b3ac..f08006f 100644
--- a/draft-gnunet-communicators.xml
+++ b/draft-gnunet-communicators.xml
@@ -280,14 +280,15 @@ DeriveKID(MSK,SEQ):
          with each successive encryption (sent/received message).
        </t>
      </section>
-     <section anchor="udp_messages" numbered="true" toc="default">
-       <name>Message formats</name><t>
-       All metadata for headers is chosen such that they are indistinguishable 
from random.
-       For the use of (ephemeral) ECC public key material, this probably 
requires the use of additional randomization
-       techniques such as Elligator (TODO).
-       There are three distinct message types that are sent and received by 
UDP communciators: KX, BOX, BROADCAST.
-       In any case, the common header is 32 + 16 bytes in length. 
-     </t>
+     <section anchor="udp_kx" numbered="true" toc="default">
+       <name>KX Header</name>
+       <t>
+         All metadata for headers is chosen such that they are 
indistinguishable from random.
+         For the use of (ephemeral) ECC public key material, this probably 
requires the use of additional randomization
+         techniques such as Elligator (TODO).
+         There are three distinct message types that are sent and received by 
UDP communciators: KX, BOX, BROADCAST.
+         In any case, the common header is 32 + 16 bytes in length. 
+       </t>
 <figure anchor="figure_udp_initialkx" title="The binary representation of the 
initial key exchange packet.">
        <artwork name="" type="" align="left" alt=""><![CDATA[
 0           8           16          24    
@@ -462,6 +463,9 @@ DeriveKID(MSK,SEQ):
        <t>
          TODO UDPAck payload. TODO UDPRekey payload.
        </t>
+     </section>
+     <section anchor="udp_box" numbered="true" toc="default">
+       <name>BOX Header</name>
 <figure anchor="figure_udp_box" title="The binary representation of the UDP 
Box.">
        <artwork name="" type="" align="left" alt=""><![CDATA[
 0           8           16          24    
@@ -512,7 +516,60 @@ DeriveKID(MSK,SEQ):
          FIXME: UDPAck, Broadcast
        </t>
      </section>
-   </section>
+     <section anchor="udp_ack" numbered="true" toc="default">
+       <name>Ack metadata</name>
+       <figure anchor="figure_udp_ack" title="The wire format of an ACK 
header.">
+         <artwork name="" type="" align="left" alt=""><![CDATA[
+0                       16
++-----+-----+-----+-----+-----+-----+-----+-----+
+|         SIZE          |       TYPE (0x0X)     |
++-----+-----+-----+-----+-----+-----+-----+-----+
+|                 SEQ ACK                       |
++-----+-----+-----+-----+-----+-----+-----+-----+
+|                MSK HASH (fromerly CMAC)       |
+|                                               |
+|                                               |
+|                                               |
+|                                               |
+|                                               |
+|                                               |
+|                                               |
+|                                               |
+|                                               |
+|                                               |
+|                                               |
+|                                               |
+|                                               |
+|                                               |
+|                                               |
++-----+-----+-----+-----+-----+-----+-----+-----+
+           ]]></artwork>
+       </figure>
+     </section>
+     <section anchor="udp_rekey" numbered="true" toc="default">
+       <name>Rekey metadata</name>
+       <figure anchor="figure_udp_rekey" title="The wire format of a REKEY 
header.">
+         <artwork name="" type="" align="left" alt=""><![CDATA[
+0                       16
++-----+-----+-----+-----+-----+-----+-----+-----+
+|         SIZE          |       TYPE (0x0X)     |
++-----+-----+-----+-----+-----+-----+-----+-----+
+|                EPHEMERAL PUBLIC KEY           |
+|                                               |
+|                                               |
+|                                               |
+|                                               |
+|                                               |
+|                                               |
+|                                               |
++-----+-----+-----+-----+-----+-----+-----+-----+
+           ]]></artwork>
+       </figure>
+     </section>
+     <section anchor="udp_bc" numbered="true" toc="default">
+       <name>BROADCAST Message</name>
+     </section>
+  </section>
    <section anchor="tcp_comm" numbered="true" toc="default">
      <name>TCP communicators</name>
      <t>

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