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This draft is a work item of the Session Initiation Protocol Working Group of the IETF.
Title : End-to-middle Security in the Session Initiation Protocol (SIP)
Author(s) : K. Ono, S. Tachimoto
Filename : draft-ietf-sip-e2m-sec-06.txt
Pages : 30
Date : 2007-7-11
Some services provided by intermediaries depend on their ability to
inspect a message body in the Session Initiation Protocol (SIP).
When sensitive information is included in the message body, a SIP
User Agent (UA) needs to protect it from other intermediaries than
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 a UA to
discover intermediaries which need to inspect an S/MIME-secured
message body, or to receive the message body with data integrity
This specification is approved at the proposed standards level due to
the IANA registration requirements. Is is of sufficient quality for
that level, however, the use of this mechanism in this specification
are considered experimental.
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http://www.ietf.org/internet-drafts/draft-ietf-sip-e2m-sec-06.txt
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