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A Novel Provably Secure Key-Agreement Using Secret Subgroup Generator

04/30/2021
by   Abdelhaliem Babiker, et al.
0

: In this paper, a new key-agreement scheme is proposed and analyzed. In addition to being provably secure in the shared secret key indistinguishability model under Decisional Diffie-Hellman assumption for subgroup of matrices over GF(2) with prime order, which considered as basic security requirement, the scheme has an interesting feature; it uses exponentiations over cyclic group using hidden secret subgroup generator as a platform for the key exchange, whereby – unlike many other exponentiation based key exchange schemes – it transcends the reliance on intractability of Discrete Logarithm Problem in its security.

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