MIKEY update elisabetta.carrara@era.ericsson.se Status MIKEY - - PowerPoint PPT Presentation

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MIKEY update elisabetta.carrara@era.ericsson.se Status MIKEY - - PowerPoint PPT Presentation

MIKEY update elisabetta.carrara@era.ericsson.se Status MIKEY finished the WG Last Call, end of September. It has undergone no major changes. MIKEY implementation exists (works with SRTP). Overview Alice Bob Network Key


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SLIDE 1

MIKEY

update elisabetta.carrara@era.ericsson.se

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SLIDE 2

Status

  • MIKEY finished the WG Last Call, end of September.
  • It has undergone no major changes.
  • MIKEY implementation exists (works with SRTP).
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SLIDE 3

Overview

  • Key management protocol to

support multimedia security protocols, e.g. SRTP

  • Possibility to have one negotiation for multiple “crypto

sessions” (e.g. negotiate the security for both one SRTP audio session and one SRTP video session)

  • Possibility to run over SIP and RTSP

Network

Bob Carol Alice

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SLIDE 4

Key transport and exchange mechanisms

  • Pre-shared key based
  • Public key based
  • Diffie-Hellman based

Initiator Responder Encrypted PMK + attributes Verification message

Example: Key transport

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SLIDE 5

<draft-ietf-msec-mikey-04.txt> (August)

  • Added text explaining which keys are derived

via the PRF function

  • Payloads are byte-aligned
  • Clarification: certificate and identity payload

are different payloads

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SLIDE 6

<draft-ietf-msec-mikey-05.txt> (October)

  • IANA Consideration update (added text to

request port)

  • Change of notation in the Policy payload

definition

  • Editorial updates...