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Mutual authentication and group key agreement for low-power mobile devices

Mutual authentication and group key agreement for low-power mobile devices. Authors: Emmanuel Bresson, Olivier Chevassut, Abdeilah Essiari, David Pointcheval Source: Computer communications 27, 2004. Key generation algorithm.  LLK.  Server.  Client U. Setup algorithm.  Server. 

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Mutual authentication and group key agreement for low-power mobile devices

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  1. Mutual authentication and group key agreement for low-power mobile devices Authors: Emmanuel Bresson, Olivier Chevassut, Abdeilah Essiari, David Pointcheval Source: Computer communications 27, 2004

  2. Key generation algorithm  LLK  Server  Client U Setup algorithm  Server  Server  Group  Group sk sk Remove algorithm  Join algorithm   Group key agreement protocol

  3. Server  Client U Message M Forward-secrecy Known key attack  SK  LLK Adversary  Advarsary

  4. Key generation  Secret key=x Public key=y=gx

  5. Setup algorithm

  6. Remove algorithm

  7. Join algorithm

  8. Authentication

  9. Security Result

  10. Improvement  

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