Photo by Cytonn Photography on Unsplash

Rust, Crypto Pairing and When Bob Met Alice And Met Carol

Elliptic curves are used fairly extensively in public key encryption (such as in Bitcoin and Tor). A BN-curve (Barreto-Naehrig curve) [paper] defines an elliptic curve which can be used for pairings that allow for a high security and efficiency level.

So how do we generate a shared key between three parties? This page implements the tripartite Diffie-Hellman…

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