Closed lava closed 4 days ago
This was Fixed in the Spec for Matter-1.3 that was released in April 2024
The Text says in 4.13.1.2. Protocol Details
• In the PASE messages from the initiator, S Flag SHALL be set to 1 and DSIZ SHALL be set to 0. • In the PASE messages from the responder, S Flag SHALL be set to 0 and DSIZ SHALL be set to 1.
This ticket can be closed.
Documentation issues
The Matter specification states in
4.13.1.2. Protocol Details
that for all PASE messagesOn the other hand, PASE messages are sent unencrypted and thus according to
4.12.1.1. Unsecured Session Context
the initiator should "enclose" (?) an ephemeral node id as the source node id:This seems to be a contradiction, since a message cannot include a source node id if the S flag is set to 0.
Empirically,
chip-tool
ignores the first requirement and just sets theS
flag to 1 for thePBKDFParamRequest
message.So, two questions:
Platform
No response
Anything else?
No response