[rfc-dist] RFC 4771 on Integrity Transform Carrying Roll-Over Counter for the Secure Real-time Transport Protocol (SRTP)

rfc-editor@rfc-editor.org rfc-editor at rfc-editor.org
Thu Jan 18 10:43:24 PST 2007

A new Request for Comments is now available in online RFC libraries.

        RFC 4771

        Title:      Integrity Transform Carrying Roll-Over Counter 
                    for the Secure Real-time Transport Protocol 
        Author:     V. Lehtovirta, M. Naslund,
                    K. Norrman
        Status:     Standards Track
        Date:       January 2007
        Mailbox:    vesa.lehtovirta at ericsson.com, 
                    mats.naslund at ericsson.com, 
                    karl.norrman at ericsson.com
        Pages:      12
        Characters: 27945
        Updates/Obsoletes/SeeAlso:   None

        I-D Tag:    draft-lehtovirta-srtp-rcc-06.txt

        URL:        http://www.rfc-editor.org/rfc/rfc4771.txt

This document defines an integrity transform for Secure Real-time
Transport Protocol (SRTP; see RFC 3711), which allows the roll-over
counter (ROC) to be transmitted in SRTP packets as part of the
authentication tag.  The need for sending the ROC in SRTP packets
arises in situations where the receiver joins an ongoing SRTP session
and needs to quickly and robustly synchronize.  The mechanism also
enhances SRTP operation in cases where there is a risk of losing sender-receiver synchronization.  [STANDARDS TRACK]

This is now a Proposed Standard Protocol.

STANDARDS TRACK: This document specifies an Internet standards track
protocol for the Internet community,and requests discussion and 
suggestions for improvements.Please refer to the current edition of the 
Internet Official Protocol Standards (STD 1) for the standardization 
state and status of this protocol.  Distribution of this memo is 

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