[lsd0001] branch master updated: nonce length fix

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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 12b82df  nonce length fix
12b82df is described below

commit 12b82dffcb8e21458fb16f37d907527ca756ab68
Author: Martin Schanzenbach <mschanzenbach@posteo.de>
AuthorDate: Sat May 1 23:07:44 2021 +0200

    nonce length fix
---
 draft-schanzen-gns.xml | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/draft-schanzen-gns.xml b/draft-schanzen-gns.xml
index e1cbe6a..8d4b7f0 100644
--- a/draft-schanzen-gns.xml
+++ b/draft-schanzen-gns.xml
@@ -771,18 +771,13 @@ NONCE := HKDF-Expand (PRK_n, label, 32 / 8)
            <xref target="RFC5869" />. Specifically, HMAC-SHA512 is used for the
            extraction phase and HMAC-SHA256 for the expansion phase.
            The output keying material is 32 octets (256 bits) for the symmetric
-           key and 4 octets (32 bits) for the NONCE.
-           The symmetric key "K" is a 256-bit ChaCha20
-           <xref target="RFC7539" /> key.
+           key and 16 octets (128 bits) for the NONCE.
+           The symmetric key "K" is a 256-bit XSalsa20
+           <xref target="XSalsa20" /> key.
            No additional authenticated data (AAD) is used.
          </t>
          <t>
-           The nonce is combined with a 64-bit initialization vector and a
-           32-bit block counter.
-           The block counter begins with the value of 1, and it is incremented
-           to generate subsequent portions of the key stream.
-           The block counter is a 32-bit integer value treated as a 32-bit
-           little-endian integer.
+           The nonce is combined with an 8 octet initialization vector.
            The initialization vector is the expiration time of the
            resource record block in network byte order.
            The resulting counter ("IV") wire format is as follows:

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