[Resource Topic] 2004/071: An IBE Scheme to Exchange Authenticated Secret Keys

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An IBE Scheme to Exchange Authenticated Secret Keys

Authors: Waldyr Benits Jr, Routo Terada


We present a variant of the Boneh & Franklin
Identiy-based Encryption {\sc ibe} scheme to derive an
authenticated symmetric key-exchange protocol, when combined with
a signature scheme. Our protocol uses {\sc ibe} as a secure
channel to establish a symmetric key between two users and, after
that, further communication can be done by symmetric cryptography,
much faster than pairing-based cryptography.

ePrint: https://eprint.iacr.org/2004/071

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