Subject: [AVT] WG last call on draft-ietf-avt-srtp-04.txt - synchronization of key derivation algorithm

From: [email-masked]
Date: Wed, 29 May 2002 20:17:09 +0300

Hi there,

I have some questions concerning key derivation algorithm of the srtp
draft:

- The key derivation starts from definition of packet index as 48-bit ROC
|| SEQ. What SEQ will be applied on transmit and receive sides?

- What is a synchronization algorithm in case of some first packet loss?

- What is a start point for counting every r-th packet for derivation
function reiteration if derivation rate r>0 and some first packet are lost?

Best regards.

Oleg Litvak
Associate VP - VoIP System Architect

ECI Telecom - NGTS Ltd.
Tel:  +972-3-9266576
Mobile:     +972-55-786576
Fax:  +972-3-9268300
E-mail:     [email-masked]
http://www.ecitele.com

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