eckles
💯 PEM-to-JWK and JWK-to-PEM (and SSH) for ECDSA keys in a lightweight, zero-dependency library focused on perfect universal compatibility.
ecdsa-secp256r1
NIST P-256 Elliptic Curve Cryptography for Node and the Browsers
myca
Create Self-signed CA certificate for development use and issue server or client certificates, generated using openssl