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RFC 9420, "The Messaging Layer Security (MLS) Protocol", July 2023

Source of RFC: mls (sec)

Errata ID: 8211
Status: Reported
Type: Editorial
Publication Format(s) : HTML
Reported By: Richard Barnes
Date Reported: 2024-12-11

Section 7.4 says: 

   If member B subsequently generates an UpdatePath based on a secret
   "leaf_secret", then it would generate the following sequence of path
   secrets:

It should say:

   If member B subsequently generates an UpdatePath based on a secret
   "path_secret[0]", then it would generate the following sequence of
   path secrets:

Notes:

This text is a vestige of an early method of computing path secrets, which started with a fresh leaf_secret instead of a fresh path_secret[0], the latter being clearly specified just above this text.

Figure 14 should also be updated to remove the leaf_secret and the two arrows emerging from it.

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