jodid25519
jodid25519 - Curve 25519-based cryptography
eckey-utils
Node.js based EC key utilities that can generate PEM keys (required by crypto.sign and crypto.verify) from the raw ones usually but not necessarily generated by crypto.ECDH
ec-pem
Enables `crypto.sign` and `crypto.verify` using `crypto.createECDH` generated keys