Senior and Staff Engineers must possess robust Application Security (AppSec) knowledge to safeguard infrastructure against vulnerability vectors.

PKCE Code Challenge Verifier Flow

// Node.js Crypto PKCE Generator
const crypto = require('crypto');

function base64URLEncode(str) {
  return str.toString('base64')
    .replace(/=/g, '')
    .replace(/+/g, '-')
    .replace(///g, '_');
}

const codeVerifier = base64URLEncode(crypto.randomBytes(32));
const codeChallenge = base64URLEncode(
  crypto.createHash('sha256').update(codeVerifier).digest()
);

console.log('Code Verifier:', codeVerifier);
console.log('Code Challenge:', codeChallenge);