Electron signing in node.js

Electron_signing_node.js

// 1. Generate new private RSA Key:
// openssl req -newkey rsa:2048 -new -nodes -keyout key.pem -out csr.pem

// 2. Derivate public RSA Key from private:
// openssl rsa -in key.pem -out public_key.pem -outform PEM -pubout

const crypto = require('crypto');
const fs = require('fs');

const hashes = crypto.getHashes();

//console.log(hashes);

var data = 'abcdef';

var privateKey = fs.readFileSync(__dirname + '/key.pem', 'ascii');

var sign = crypto.createSign('RSA-SHA256');
sign.update(data);
var signature = sign.sign(privateKey, 'base64');
console.log(signature);

var publicKey = fs.readFileSync(__dirname + '/public_key.pem', 'ascii');

var verifier = crypto.createVerify('RSA-SHA256');
verifier.update(data);
var isValid = verifier.verify(publicKey, signature, 'base64');

console.log('sign valide: ', isValid);