Abstract
A compiler is presented which, in the random oracle model, allows to add perfect forward secrecy to any secure authenticated group key establishment protocol P which has at least one round. The compiler does not modify the session identifier and does not impose changes on the underlying public key infrastructure. Building on a secure unauthenticated 1-round 2-party key establishment Q with perfect forward secrecy as auxiliary input, P is transformed into an authenticated group key establishment protocol with perfect forward secrecy and with one more round than P.
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Neupane, K., Steinwandt, R., Corona, A.S. (2012). Group Key Establishment: Adding Perfect Forward Secrecy at the Cost of One Round. In: Pieprzyk, J., Sadeghi, AR., Manulis, M. (eds) Cryptology and Network Security. CANS 2012. Lecture Notes in Computer Science, vol 7712. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-35404-5_13
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DOI: https://doi.org/10.1007/978-3-642-35404-5_13
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