driftin-secure-ls/example/custom-storage.js

Secure localStorage/sessionStorage data with high level of encryption and data compression

window.customSecureLsStore = {};
const storage = {
  setItem: (key, value) => {
    window.customSecureLsStore[key] = value || '';
  },
  getItem: (key) => {
    return window.customSecureLsStore[key] || null;
  },
  removeItem: (key) => {
    delete window.customSecureLsStore[key];
  },
  clear: () => {
    window.customSecureLsStore = {};
  },
};

var key = 'custom-storage';
var data = { data: [{ age: 1 }, { age: '2' }] };
var a = new SecureLS({ encodingType: '', isCompression: false, storage });
ae = a.AES.encrypt(JSON.stringify(data), 's3cr3t@123');
bde = a.AES.decrypt(ae.toString(), 's3cr3t@123');
de = bde.toString(a.enc._Utf8);

a.set(key, data);
console.log('____________________________________');
console.log('sessionStorage Case: no compression, no encryption / encoding, storage set to sessionStorage');
console.log(sessionStorage.getItem(key));
console.log(a.get(key));
console.log('____________________________________');