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Merge pull request #203 from sframe-wg/auth48-v4
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bifurcation authored Jul 24, 2024
2 parents 4d0fcc1 + 1cc130c commit f6868b8
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48 changes: 24 additions & 24 deletions draft-ietf-sframe-enc.md
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Expand Up @@ -775,7 +775,7 @@ they are removed), then the sender will need to distribute a new sender key.
## MLS

The Messaging Layer Security (MLS) protocol provides group authenticated key
exchange {{?MLS-ARCH=I-D.ietf-mls-architecture}} {{!MLS-PROTO=RFC9420}}. In
exchange {{?I-D.ietf-mls-architecture}} {{!RFC9420}}. In
principle, it could be used to instantiate the sender key scheme above, but it
can also be used more efficiently directly.

Expand Down Expand Up @@ -1043,7 +1043,7 @@ The registration template is as follows:

* Recommended: Whether support for this cipher suite is recommended by the IETF.
Valid values are "Y", "N", and "D" as described in {{Section 17.1 of
MLS-PROTO}}. The default value of the "Recommended" column is "N". Setting the
RFC9420}}. The default value of the "Recommended" column is "N". Setting the
Recommended item to "Y" or "D", or changing an item whose current value is "Y"
or "D", requires Standards Action {{RFC8126}}.

Expand Down Expand Up @@ -1376,28 +1376,28 @@ packetization scheme to work interoperably, one would have to be defined, e.g.,
as proposed in {{?I-D.gouaillard-avtcore-codec-agn-rtp-payload}}.

~~~ aasvg
+---+-+-+-------+-+-------------+-------------------------------+<-+
|V=2|P|X| CC |M| PT | sequence number | |
+---+-+-+-------+-+-------------+-------------------------------+ |
| timestamp | |
+---------------------------------------------------------------+ |
| synchronization source (SSRC) identifier | |
+===============================================================+ |
| contributing source (CSRC) identifiers | |
| .... | |
+---------------------------------------------------------------+ |
| RTP extension(s) (OPTIONAL) | |
+->+--------------------+------------------------------------------+ |
| | SFrame header | | |
| +--------------------+ | |
| | | |
| | SFrame encrypted and authenticated payload | |
| | | |
+->+---------------------------------------------------------------+<-+
| | SRTP authentication tag | |
| +---------------------------------------------------------------+ |
| |
+--- SRTP Encrypted Portion SRTP Authenticated Portion ---+
+---+-+-+-------+-+-----------+------------------------------+<-+
|V=2|P|X| CC |M| PT | sequence number | |
+---+-+-+-------+-+-----------+------------------------------+ |
| timestamp | |
+------------------------------------------------------------+ |
| synchronization source (SSRC) identifier | |
+============================================================+ |
| contributing source (CSRC) identifiers | |
| .... | |
+------------------------------------------------------------+ |
| RTP extension(s) (OPTIONAL) | |
+->+-------------------+----------------------------------------+ |
| | SFrame header | | |
| +-------------------+ | |
| | | |
| | SFrame encrypted and authenticated payload | |
| | | |
+->+------------------------------------------------------------+<-+
| | SRTP authentication tag | |
| +------------------------------------------------------------+ |
| |
+--- SRTP Encrypted Portion SRTP Authenticated Portion ---+
~~~
{: #sframe-packet title="SRTP Packet with SFrame-Protected Payload"}

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