On Tuesday, April 22, 2014 5:12:37 AM UTC-4, steven m wrote: > > > Hi all, > > I am working on a home project and I wanted to implement an authenticated > ephemeral key exchange using Elliptic curves. I first thought about > Station-to-Station with EC protocol, but it does not seem to be available > in crypto++. The ECDH does not offer authentication, > ECMQV<http://www.cryptopp.com/wiki/Elliptic_Curve_Menezes-Qu-Vanstone>seems > to be broken and fixed with > FHMQV <http://www.cryptopp.com/wiki/Fully_Hashed_Menezes-Qu-Vanstone>. > > But does FHMQV work with elliptic curves? Can it offer forward secrecy? > Are they any know weakness to this algorithm? Would FHMQV be my best choice > for an authenticated ephemeral key exchange using Elliptic curves? > In addition to Mouse's answer, ECDHE/ECDSA and ECDHE/RSA work well too. TLS uses both, and both are available in Crypto++.
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