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Is it possible to implement DH Key Exchange X25519 with Relic? #252

Closed oliviervibe closed 1 year ago

oliviervibe commented 1 year ago

This is not an issue, but I don't know where to ask that question!

I would like to implement a ECDH with the Curve25519 like done in TLS 1.3. (I would like avoiding OpenSSL as I only need that!)

With Relic configured for OATEP pairing, is it possible to configure ECDH for X25519? I'd appreciate if someone could show me how, if it is possible!

Thanks

dfaranha commented 1 year ago

RELIC is a research library probably filled with more bugs and vulnerabilities than OpenSSL. You should look for a stand-alone implementation of X25519, of which there are many. For example: https://github.com/agl/curve25519-donna