session
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... receiver joins an ongoing SRTP [RFC3711] session, out-of-band
signaling must provide the receiver with the value of the ROC ...
... key derivation rate is
non-zero) be decrypted using the wrong session key, as ROC is used
as input in session key ...
... session key, as ROC is used
as input in session key derivation. In either case, the receiver
will not have its ROC synchronized ...
...
2. If the receiver leaves the session (due to being out of radio
coverage or because of a user action), and does not start
...
... MAC verification in
the same way the sender did. Note that the session key used in the
MAC calculation is dependent on the ROC ...
... MAC calculation is dependent on the ROC, and during the derivation of
the session integrity key, the ROC found in the packet under
...
... Session Auth. key len | see below
17 | SRTCP Session Auth. key len | see below
18 | SRTP Authentication tag ...
... in Table 1 above.
The possible values for session authentication key lengths (types 16
and 17) are the same as for the "Session ...
... session authentication key lengths (types 16
and 17) are the same as for the "Session Auth. key length" parameter
(type 3) in Table 6.10.1.a of RFC 3830prop ...