This is a binding to the curve25519-donna library for node. Usage:

const curve = require('curve25519-n');

Returns a Buffer.

Provide it with your secret key as a 32-bytes-long Buffer and get a Buffer containing your public key as the result.

Derive your shared secret with someone else by giving this function two 32-bytes-long buffers containing your secret key and the other persons public key. Returns a Buffer.

npm i -S curve25519-n or yarn add curve25519-n.

yarn test