A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : End-to-middle security in the Session Initiation Protocol(SIP)
Author(s) : K. Ono, S. Tachimoto
Filename : draft-ono-sipping-end2middle-security-04.txt
Pages : 16
Date : 2005-2-21
Some services provided by intermediaries depend on the ability to
inspect the message bodies in the Session Initiation Protocol (SIP).
When sensitive information is included in these bodies, a SIP User
Agent (UA) needs to protect it from intermediaries except those that
the UA agreed to disclose it to. This document proposes a mechanism
for securing information passed between an end user and
intermediaries using S/MIME. It also proposes mechanisms for an
intermediary to notify the UA about its need to inspect an
S/MIME-secured message body, and to notify the need for the message
body to be transmitted securely.
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