certificate exportpublickey spkac encoding

• spkac {string | Buffer | TypedArray | DataView}
• encoding {string} The [encoding][] of the spkac string.
• Returns: {Buffer} The public key component of the spkac data structure, which includes a public key and a challenge.

const { Certificate } = require('crypto');
const spkac = getSpkacSomehow();
const publicKey = Certificate.exportPublicKey(spkac);
console.log(publicKey);
// Prints: the public key as <Buffer ...>