var notp = require('../lib/notp'), args = { K : '12345678901234567890' }, b32 = notp.encBase32(args.K); console.log('Getting current counter value for K = 12345678901234567890'); console.log('This has a base32 value of ' + b32); console.log('The base32 value should be entered in the Google Authenticator App'); console.log(''); notp.getTOTP(args, function(err) { console.log(err); }, function(code) { console.log('The current TOTP value is ' + code); } );