Authenticated Tree-Based R-LWE Group Key Exchange

Hougaard, Hector ; Miyaji, Atsuko

Computer journal, 2023-02, Vol.66 (2), p.360-372 [Periódico revisado por pares]

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Título:
Authenticated Tree-Based R-LWE Group Key Exchange
Autor: Hougaard, Hector ; Miyaji, Atsuko
É parte de: Computer journal, 2023-02, Vol.66 (2), p.360-372
Descrição: Abstract We present the first constant round, multicast, authenticated tree-based R-LWE group key exchange protocol with logarithmic communication and memory complexity. Our protocol achieves post-quantum security through a reduction to a Diffie–Hellman-like analogue to the decisional R-LWE problem. We also present a sequential version with constant memory complexity but a logarithmic number of rounds and communication complexity.
Idioma: Inglês

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