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RFC 5764, "Datagram Transport Layer Security (DTLS) Extension to Establish Keys for the Secure Real-time Transport Protocol (SRTP)", May 2010

Note: This RFC has been updated by RFC 7983, RFC 9443

Source of RFC: avt (rai)
See Also: RFC 5764 w/ inline errata

Errata ID: 4788
Status: Verified
Type: Technical
Publication Format(s) : TEXT

Reported By: Eric Rescorla
Date Reported: 2016-08-30
Verifier Name: Ben Campbell
Date Verified: 2016-11-08

Section 4.2 says:

   which are assigned as shown below.  The per-association context value
   is empty.

It should say:

   which are assigned as shown below.  No per-association context value
   is used.


This code is somewhat ambiguous, though the better interpretation is probably that you should use a zero-length context (arm 2 of https://tools.ietf.org/html/rfc5705#section-4). However, real implementations do not seem to use the exporter value, so we need to resolve this in that direction.

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