[lsd0001] branch master updated: add derivation graphic

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martin-schanzenbach pushed a commit to branch master
in repository lsd0001.

The following commit(s) were added to refs/heads/master by this push:
     new 7583f38  add derivation graphic
7583f38 is described below

commit 7583f38bc5e6ceff8ae75b51efa23cdc372ef508
Author: Martin Schanzenbach <schanzen@gnunet.org>
AuthorDate: Thu Jun 16 13:20:28 2022 +0200

    add derivation graphic
---
 draft-schanzen-gns.xml | 51 +++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 40 insertions(+), 11 deletions(-)

diff --git a/draft-schanzen-gns.xml b/draft-schanzen-gns.xml
index f113141..b36f53a 100644
--- a/draft-schanzen-gns.xml
+++ b/draft-schanzen-gns.xml
@@ -1733,17 +1733,8 @@ GET(key) -> value
      </t>
      <t>
        Resource records are grouped by their respective labels,
-       encrypted and published together in a single resource records block
-       (RRBLOCK) in the storage under a key q as illustrated in <xref 
target="figure_storage_publish"/>.
-       The key q is derived from the zone key and the respective
-       label of the contained records.
-       The required knowledge of both zone key and label in combination
-       with the similarly derived symmetric secret keys and blinded zone keys
-       ensure query privacy (see <xref target="RFC8324"/>, Section 3.5).
-       The storage key derivation and records
-       block creation is specified in the following sections.
-       The implementation <bcp14>MUST</bcp14> use the PUT storage procedure in 
order to update
-       the zone contents accordingly.
+       encrypted and published together in a single records block
+       (RRBLOCK) in the storage under a storage key q as illustrated in <xref 
target="figure_storage_publish"/>.
      </t>
      <figure anchor="figure_storage_publish" title="Management and publication 
of local zones in the distributed storage.">
        <artwork name="" type="" align="left" alt=""><![CDATA[
@@ -1773,6 +1764,44 @@ GET(key) -> value
          ]]></artwork>
      </figure>
 
+     <t>
+       The storage key is derived from the zone key and the respective
+       label of the contained records.
+       The required knowledge of both zone key and label in combination
+       with the similarly derived symmetric secret keys and blinded zone keys
+       ensure query privacy (see <xref target="RFC8324"/>, Section 3.5).
+       The storage Key derivation and records
+       block creation using is specified in the following sections and a 
high-level
+       overview is illustrated in <xref target="figure_storage_derivations"/>.
+       The implementation <bcp14>MUST</bcp14> use the PUT storage procedure in 
order to update the zone contents accordingly.
+     </t>
+     <figure anchor="figure_storage_derivations" title="Storage key and 
records block creation overview.">
+       <artwork name="" type="" align="left" alt=""><![CDATA[
++----------+ +-------+ +------------+ +-------------+
+| Zone Key | | Label | | Record Set | | Private Key |
++----------+ +-------+ +------------+ +-------------+
+    |          |            |               |
+    |          |            v               |
+    |          |           +-----------+    |
+    |          +---------->| S-Encrypt |    |
+    +----------|---------->+-----------+    |
+    |          |               |    |       |
+    |          |               |    v       v
+    |          |               |   +-------------+
+    |          +---------------|-->| SignDerived |
+    |          |               |   +-------------+
+    |          |               |        |
+    |          v               v        v
+    |      +------+        +---------------+
+    +----->| ZKDF |------->| Records Block |
+           +------+        +---------------+
+              |
+              v
+           +------+        +-------------+
+           | Hash |------->| Storage Key |
+           +------+        +-------------+
+         ]]></artwork>
+     </figure>
      <section anchor="blinding" numbered="true" toc="default">
        <name>The Storage Key</name>
        <t>

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