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[lsd0001] branch master updated: move RDATA into its own section *before


From: gnunet
Subject: [lsd0001] branch master updated: move RDATA into its own section *before* RRBLOCK to define it before using it
Date: Fri, 30 Jun 2023 23:21:52 +0200

This is an automated email from the git hooks/post-receive script.

grothoff pushed a commit to branch master
in repository lsd0001.

The following commit(s) were added to refs/heads/master by this push:
     new 4186423  move RDATA into its own section *before* RRBLOCK to define it 
before using it
4186423 is described below

commit 4186423efd391711126ee93c41822707fcac4534
Author: Christian Grothoff <christian@grothoff.org>
AuthorDate: Fri Jun 30 23:21:47 2023 +0200

    move RDATA into its own section *before* RRBLOCK to define it before using 
it
---
 draft-schanzen-gns.xml | 146 +++++++++++++++++++++++++------------------------
 1 file changed, 75 insertions(+), 71 deletions(-)

diff --git a/draft-schanzen-gns.xml b/draft-schanzen-gns.xml
index 347f7d3..b3868cc 100644
--- a/draft-schanzen-gns.xml
+++ b/draft-schanzen-gns.xml
@@ -974,12 +974,12 @@ zTLD[126..129].zTLD[63..125].zTLD[0..62]
        <dt>EXPIRATION</dt>
        <dd>
          denotes the absolute 64-bit expiration date of the record.
-         In microseconds since midnight (0 hour), January 1, 1970 UTC stored 
in network
+         In microseconds since midnight (0 hour), January 1, 1970 UTC in 
network
          byte order.
        </dd>
        <dt>SIZE</dt>
        <dd>
-         denotes the 16-bit size of the DATA field in bytes stored in network 
byte
+         denotes the 16-bit size of the DATA field in bytes in network byte
          order.
        </dd>
        <dt>FLAGS</dt>
@@ -989,7 +989,7 @@ zTLD[126..129].zTLD[63..125].zTLD[0..62]
        </dd>
        <dt>TYPE</dt>
        <dd>
-         is the 32-bit resource record type stored in
+         is the 32-bit resource record type in
          network byte order. This type can be one of the GNS resource
          records as defined in <xref target="rrecords" /> or a DNS record
          type as defined in <xref target="RFC1035" /> or any of the
@@ -1734,7 +1734,7 @@ S-Decrypt(zk,label,expiration,ciphertext):
        <dl>
          <dt>PROTO</dt>
          <dd>
-           the 16-bit protocol number stored in network byte order.
+           the 16-bit protocol number in network byte order.
            Values
            below 2^8 are reserved for 8-bit Internet Protocol numbers 
allocated by IANA <xref target="RFC5237" />
            (e.g. 6 for TCP).
@@ -1743,12 +1743,12 @@ S-Decrypt(zk,label,expiration,ciphertext):
          </dd>
          <dt>SVC</dt>
          <dd>
-           the 16-bit service value of the boxed record stored in network byte 
order. In case of
+           the 16-bit service value of the boxed record in network byte order. 
In case of
            TCP and UDP it is the port number.
          </dd>
          <dt>TYPE</dt>
          <dd>
-           is the 32-bit record type of the boxed record stored in network 
byte order.
+           is the 32-bit record type of the boxed record in network byte order.
          </dd>
          <dt>RECORD DATA</dt>
          <dd>
@@ -1891,15 +1891,70 @@ q := SHA-512 (ZKDF(zk, label))
          </dd>
        </dl>
      </section>
+     <section anchor="rdata" numbered="true" toc="default">
+       <name>Plaintext Record Data (RDATA)</name>
+       <t>
+         GNS records from a zone are grouped by their labels such that all
+         records under the same label published together as a single
+         block in the storage. Such grouped record sets <bcp14>MAY</bcp14> be 
paired with
+         supplemental records. Supplemental records <bcp14>MUST</bcp14> have 
the
+         supplemental flag set (see <xref target="rrecords"/>).
+       </t>
+       <t>
+         Record data (RDATA) is the format used to encode such a group of GNS 
records.
+         The binary format of RDATA is illustrated in
+         <xref target="figure_rdata"/>.
+       </t>
+       <figure anchor="figure_rdata" title="The RDATA Wire Format.">
+         <artwork name="" type="" align="left" alt=""><![CDATA[
+0     8     16    24    32    40    48    56
++-----+-----+-----+-----+-----+-----+-----+-----+
+|                 EXPIRATION                    |
++-----+-----+-----+-----+-----+-----+-----+-----+
+|    SIZE   |    FLAGS  |        TYPE           |
++-----+-----+-----+-----+-----+-----+-----+-----+
+|                      DATA                     /
+/                                               /
+/                                               /
++-----+-----+-----+-----+-----+-----+-----+-----+
+|                   EXPIRATION                  |
++-----+-----+-----+-----+-----+-----+-----+-----+
+|    SIZE   |    FLAGS  |        TYPE           |
++-----+-----+-----+-----+-----+-----+-----+-----+
+|                     DATA                      /
+/                                               /
++-----+-----+-----+-----+-----+-----+-----+-----+
+/                     PADDING                   /
+/                                               /
++-----+-----+-----+-----+-----+-----+-----+-----+
+           ]]></artwork>
+       </figure>
+       <dl>
+         <dt>EXPIRATION, SIZE, TYPE, FLAGS and DATA</dt>
+         <dd>
+           These fields were defined
+           in the resource record format in <xref target="rrecords" />.
+         </dd>
+         <dt>PADDING</dt>
+         <dd>
+           When serializing records into RDATA, a GNS implementation 
<bcp14>MUST</bcp14> ensure that
+           the size of the RDATA is a power of two
+           using the padding field. The field <bcp14>MUST</bcp14> be set to 
zero and <bcp14>MUST</bcp14> be
+           ignored on receipt.
+           As a special exception, record sets with (only) a zone delegation
+           record type are never padded.
+           Note that a record set with a delegation record <bcp14>MUST 
NOT</bcp14>
+           contain other records. If other records are encountered, the whole
+           record block <bcp14>MUST</bcp14> be discarded.
+         </dd>
+       </dl>
+     </section>
      <section anchor="records_block" numbered="true" toc="default">
        <name>The Records Block</name>
        <t>
-         GNS records are grouped by their labels and published as a single
-         block in the storage. The grouped record sets <bcp14>MAY</bcp14> be 
paired with any
-         number of supplemental records. Supplemental records 
<bcp14>MUST</bcp14> have the
-         supplemental flag set (see <xref target="rrecords"/>).
-         The contained resource records are encrypted using the S-Encrypt()
-         function defined by the zone type of the zone to which the resource 
records belong.
+         The resource records grouped in an RDATA are encrypted using the 
S-Encrypt()
+         function defined by the zone type of the zone to which the resource 
records belong
+         and prefixed with meta data into a resource record block (RRBLOCK) 
for remote storage.
          The GNS RRBLOCK wire format is illustrated in
          <xref target="figure_record_block"/>.
        </t>
@@ -1929,21 +1984,20 @@ q := SHA-512 (ZKDF(zk, label))
        <dl>
          <dt>SIZE</dt>
          <dd>
-           A 32-bit value containing the length of the block in bytes.
-           In network byte order.
-           While a 32-bit value is used,
+           A 32-bit value containing the length of the block in bytes in 
network byte order.
+           Despite the message format's use of a 32-bit value,
            implementations <bcp14>MAY</bcp14> refuse to publish blocks beyond 
a certain
-           size significantly below 4 GB.
+           size significantly below the theoretical block size limit of 4 GB.
          </dd>
          <dt>ZONE TYPE</dt>
          <dd>
-           is the 32-bit ztype. In network byte order.
+           is the 32-bit ztype in network byte order.
          </dd>
-         <dt>ZONE KEY</dt>
+         <dt>ZONE KEY (BLINDED)</dt>
          <dd>
            is the blinded zone key "ZKDF(zk, label)"
            to be used to verify SIGNATURE.
-           The length and format of the public key depends on the ztype.
+           The length and format of the blinded public key depends on the 
ztype.
          </dd>
          <dt>SIGNATURE</dt>
          <dd>
@@ -1969,8 +2023,8 @@ q := SHA-512 (ZKDF(zk, label))
          </dd>
          <dt>BDATA</dt>
          <dd>
-           The encrypted RDATA. Its size is determined by the S-Encrypt()
-           function of the ztype.
+           The encrypted RDATA. Its ultimate size and content are determined by
+           the S-Encrypt() function of the ztype.
          </dd>
        </dl>
        <t>
@@ -2017,56 +2071,6 @@ q := SHA-512 (ZKDF(zk, label))
          <dt>BDATA</dt>
          <dd>Field as defined in the RRBLOCK message above.</dd>
        </dl>
-
-       <t>
-         A symmetric encryption scheme is used to encrypt the resource records
-         set RDATA into the BDATA field of a GNS RRBLOCK.
-         The wire format of the RDATA is illustrated in
-         <xref target="figure_rdata"/>.
-       </t>
-       <figure anchor="figure_rdata" title="The RDATA Wire Format.">
-         <artwork name="" type="" align="left" alt=""><![CDATA[
-0     8     16    24    32    40    48    56
-+-----+-----+-----+-----+-----+-----+-----+-----+
-|                 EXPIRATION                    |
-+-----+-----+-----+-----+-----+-----+-----+-----+
-|    SIZE   |    FLAGS  |        TYPE           |
-+-----+-----+-----+-----+-----+-----+-----+-----+
-|                      DATA                     /
-/                                               /
-/                                               /
-+-----+-----+-----+-----+-----+-----+-----+-----+
-|                   EXPIRATION                  |
-+-----+-----+-----+-----+-----+-----+-----+-----+
-|    SIZE   |    FLAGS  |        TYPE           |
-+-----+-----+-----+-----+-----+-----+-----+-----+
-|                     DATA                      /
-/                                               /
-+-----+-----+-----+-----+-----+-----+-----+-----+
-/                     PADDING                   /
-/                                               /
-+-----+-----+-----+-----+-----+-----+-----+-----+
-           ]]></artwork>
-       </figure>
-       <dl>
-         <dt>EXPIRATION, SIZE, TYPE, FLAGS and DATA</dt>
-         <dd>
-           These fields were defined
-           in the resource record format in <xref target="rrecords" />.
-         </dd>
-         <dt>PADDING</dt>
-         <dd>
-           When publishing an RDATA block, the implementation 
<bcp14>MUST</bcp14> ensure that
-           the size of the RDATA is a power of two
-           using the padding field. The field <bcp14>MUST</bcp14> be set to 
zero and <bcp14>MUST</bcp14> be
-           ignored on receipt.
-           As a special exception, record sets with (only) a zone delegation
-           record type are never padded.
-           Note that a record set with a delegation record <bcp14>MUST 
NOT</bcp14>
-           contain other records. If other records are encountered, the whole
-           record block <bcp14>MUST</bcp14> be discarded.
-         </dd>
-       </dl>
      </section>
    </section>
     <section anchor="resolution" numbered="true" toc="default">

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