Otp Authentication Node Js

If you're unfamiliar, two-factor authentication is becoming the norm, which it wasn't necessarily back in 2017. js Applications, we talked about authentication using Passport as it relates to social login (Google, Facebook, GitHub, etc. OSI will celebrate its 20th Anniversary on February 3, 2018, during the opening day of FOSDEM 2018. A comprehensive set of strategies supports authentication using a username and password, Facebook, Twitter, and more. The HOTP algorithm specifies an event-based OTP algorithm, where the moving factor is an event counter. 0 (Current) is out - update now!. Two-Factor Authentication with Node. Below you can find RisingStack's collection of the most important Node. Access tokens are used for authentication in the balena API, CLI, and Node. It's basically a little bit of code that makes sure that your authentication credentials are put in the correct place. I will use PHP in this article - this means that the server side can use this code to validate the client one. Symas OpenLDAP now includes a module that lets any application that authenticates through LDAP to work with time-based and counter-based one-time passwords. js without headaches. You need a DNSimple account to use this. Rollbar is committed to the security of your application’s data. Android Checkout enables redirection to a Paytm cashier page for payment in your app. 2 Step verification for NodeJS. js that requires user or employee authentication, you can add strong two-factor authentication security with ready code in just a few minutes. Download and install Node. Firebase Authentication provides backend services, easy-to-use SDKs, and ready-made UI libraries to authenticate users to your app. js Application and integrate with SAP CAI in Webhook. To begin, we need a function that validates the upcoming verification code. Join a community of developers, attend meetups, and collaborate online. The distinction between authentication and authorization is important in understanding how RESTful APIs are working and why connection attempts are either accepted or denied: Authentication is the verification of the credentials of the connection attempt. Instead of presenting device management options alongside the Duo login prompt for a protected service, this application puts your users directly into. After successful authentication, the users will be allowed to the system as authenticated users. One-time password systems are designed to counter this type of attack, called a "replay attack". Authentication can be done with a username and password or it can be a One-Time Password (OTP) sent to your phone. Ths user may scan his card and login to the system. CTAP is complementary to the W3C’s Web Authentication. For example: private. The Cheat Sheet Series project has been moved to GitHub! Please visit Authentication Cheat. Preparation. Access tokens are used for authentication in the balena API, CLI, and Node. in solution is its Fast, Reliable & Economical too. These articles are for administrators. As you might have noticed two extra function i have added a) Verifying Employee b) Verifying OTP. Aadhaar API Integration within Minutes | Easy, Secure, Robust and Developer friendly API and Android & WEB SDK for your Mobile and Website integration. The first step in adding support for TOTP to your application is to generate a shared secret on the server side. 2-Step Verification provides stronger security for your Google Account by requiring a second step of verification when you sign in. It's free to sign up and bid on jobs. `/*jshint esversion: 6 */. In Passport Authentication for Node. NET Carlos del Prado and Ioseba Palop November 15th MicroLatch: Building Latch in the Palm of Your Hand Álvaro Núñez-Romero November 29th Using Machine Learning to Detect Anomalies Web Traffic Carmen Torrano December 13th. Cloud IAP can not only control access to the app, but it also provides information about the authenticated users, including the. Microsoft have just announced the Public Preview for Hardware OATH Tokens such as the Yubico YubiKey with Azure MFA. i have written a server in nodejs on raaspberry pi. API token authentication is an important security aspect of web and mobile application. Comments: To receive authentication details, you need to set a callback URL. 🔑 One Time Password (OTP) / 2FA for Node. js wrapper for the MessageBird REST API TOTP authentication strategy for Passport. One-Time password API Documentation. Step 3) Generate TOTP (Time-Based One time password) using Google Authenticator App. User authentication is implemented with a "secure pin entry" one-time-password solution, and additional "3 out of 10 characters" password authentication is required for critical/suspect transactions and profile changes. js, AngularJS, and MongoDB application that restricts access to a URL. net, javascript, node. Before I begin, there are some things you need to know about Node. Generate time-based one-time passwords for multi-factor authentication, transaction confirmation, …. Firebase Authentication to easily allow your users to sign into your app. The authentication system defined in RFC2289, and known as OTP - one-time password, uses a secret pass-phrase to generate a sequence of one-time (single use) passwords. Sinch API documentation. We have to create users for team members and it maintains all user in its own database. From the Wpad. In this tutorial, we’re gonna build a simple register/login Android App using Firebase Email & Password authentication with Kotlin language. If you get any errors while verification, just log it and send a message - 'OTP verification failed. js is vulnerable to Regular Expression Denial of Service. Add authentication to applications and secure services with minimum fuss. Open the app and Click on '+' Button, and scan the QR code generated using Google Charts. js to build a text to speech call that reads out pin-codes. Firebase Authentication. Currently, we only generate secret codes, but we haven’t yet turned on the Node. With this solution, you can deploy it within a few minutes in the AWS cloud and is production ready and you can immediately start testing. Jump to: navigation, search. I will use PHP in this article - this means that the server side can use this code to validate the client one. It supports authentication using passwords, phone numbers, popular federated identity providers like Google, Facebook and Twitter, and more. TOTP will change for every 30 secs. In this process, the user is prompted to insert his personal phone number. Download and install Node. As part of this commitment, we use a variety of industry-standard security technologies and procedures to protect your information from unauthorized access, use, or disclosure. OTP generation is a well understood concept and can be easily managed. Using existing user information from popular social networks such as Google, Facebook, etc. The Open Source label was born in February 1998 as a new way to popularise free software for business adoption. The verification code is generated by an application on your smartphone. 509 Authentication Rolling Update of x. js is unique in that it provides an HTTP server as one of the core libraries (to the shagrin of some). It's a problem that has already been solved, but requires a lot of prerequisite knowledge and sufficient understanding in order to implement properly. No need to deal with storing users or authenticating users. Extremely flexible and modular, Passport can be unobtrusively dropped in to any Express-based web application. Extend authentication to anything with the simplicity of scripted authentication modules. EasyOTP(Time-Based One-Time Password) Validated and supported by the community experts, these projects follow best practices for security, documentation, and code quality. User authentication is implemented with a "secure pin entry" one-time-password solution, and additional "3 out of 10 characters" password authentication is required for critical/suspect transactions and profile changes. OpenAM provide HOTP authentication module which can send OTP to user’s email address and/or telephone number. In order to prevent that, Joomla! 3. js application As you have seen in the previous chart, adding 2FA with TOTP to an application requires two independent steps. Sign up, start building and send your first messages for free. If you're unfamiliar, two-factor authentication is becoming the norm, which it wasn't necessarily back in 2017. Simplified Coding is a website publishing various tutorials of programming. An implementation for Erlang/OTP exists too. Cloud IAP can not only control access to the app, but it also provides information about the authenticated users, including the. The Cheat Sheet Series project has been moved to GitHub! Please visit Authentication Cheat. js is a fairly barebones framework, so any additional functionalities for routing or serving static assets need to be installed separately. To start sending Bulk SMS using API, you need to have an Authorization key which you can get from your FastSMSIndia account Dev API section. In the demo, the user will first authenticate with basic (auth_ldap_server) auth, then needs to pass one more OTP authentication step for the /payments/ resource. In order to prevent that, Joomla! 3. Comments: From Email ID will be shown as registered Email ID and From Name will be shown as Registered Full Name as per your account settings. Download and install Node. Cloud IAP can not only control access to the app, but it also provides information about the authenticated users, including the. A comprehensive set of strategies support authentication using a username and password, Facebook, Twitter, and more. It’s a problem that has already been solved, but requires a lot of prerequisite knowledge and sufficient understanding in order to implement properly. ONE TIME PASSWORD is an automatically generated numeric or alphanumeric strings which helps in authentication of a single transaction or session of particular user. 6 For this example. enabling the one time password in the web ui prerequisites. Part 1 - The Basics with Node. In this tutorial, we went through the process of adding authentication to a Flask app with JSON Web Tokens. Build your own two factor authentication system - Pt. Our SLA for critical sms otp and voice OTP services is, SMS OTP: We charge customers only if, - SMS OTP is delivered ( Pay per delivered OTP ) - SMS OTP is delivered within 15 seconds - SMS OTP is delivered without the help of fallback / fail-over logic. Learn how to use Speakeasy to handle two-factor authentication (2FA) time-based one-time password (TOTP) codes with JavaScript and Node. As a base module, TFA handles all of the Drupal integration work, providing flexible and well tested interfaces to enable configurable choices of various two-factor authentication solutions like Time-based One Time Passwords, SMS-delivered codes, fallback codes, or integrations with third-party. While the project is rooted in higher-ed open source, it has grown to an international audience spanning Fortune 500 companies and small special-purpose installations. Download the browser extensions for logging into your personal accounts without any manual entry:. Dịch vụ tin nhắn quảng cáo, tin nhắn thương hiệu, sms brandname, sms marketing, sms api, cung cấp code gửi tin nhắn tích hợp dễ dàng. We will use Laravel 5. Depending how you set up your account, you will either receive your OTP codes via SMS or you will use an application like Google Authenticator or 1Password. Authorization - Once the Authentication passed the Authorization comes in the picture to limit the user as per the permission set for the user. Get Firebase Access Token from JSON Service Account Private Key; Firebase JWT User Authentication; Firebase GET - Reading Data; Generate a Random Firebase Push ID; Firebase PUT - Writing Data; Firebase POST - Pushing Data; Firebase PATCH - Updating Data; Firebase DELETE - Removing Data. This is the default HTML OTP Authentication page, which is displayed if. in solution is its Fast, Reliable & Economical too. js Examples Part 2 - Creating an API authenticated with OAuth 2 in Node. API token authentication is an important security aspect of web and mobile application. NET Core MVC is a web framework that gives you a powerful, patterns-based way to build dynamic websites and web APIs. Search for jobs related to Java sip otp programming sip authentication or hire on the world's largest freelancing marketplace with 15m+ jobs. Github for Verifying One time Password function. At the beginning of 2004, I was working with a small team of Gemplus on the EAP-SIM authentication protocol. Use this API to verify user identity (mobile verification) or possession of a device (OTP/two-factor authentication):. On the Sign-in Method page, enable the Phone Number sign-in method. 2FA Solution for Node. oAuth2 authentication is a token based authentication system whereby clients initially trade a set of valid credentials for a bearer token. So, send a message - 'OTP Verified. Authentication Services. js and Authy. Text SMS API allows you to send text SMS at your convenience. I have a NodeJS Bluemix application and I want to implement SAML SSO for authentication using "Passport" service on Bluemix. An account when first created has no privileges. Choosing the Best and Safest Two-factor Authentication Method 09/05/2014 / 0 Comments in General , Two-Factor Authentication Many two-factor authentication methods are vulnerable to attack and create usability issues, but understanding their differences will help you avoid all of these problems. Question and answer forum for any and all topics related to IBM products and technologies. Since WordPress 2 factor authentication could be easily setup through plugins, there is no reason why you should not have it set up on your website. See the complete profile on LinkedIn and discover Shubham’s connections and jobs at similar companies. Turn back to the objectives from the beginning of this tutorial. I use Node. System default is null. Over years, we have served over 350+ customers through products and services. js Two-Factor Authentication - TypeScript Express tutorial #11. If you're managing user accounts in your web applications, it is. A simple API for one-time password mobile verification via text message We take the SMS headache out of mobile verification and one-time passwords (OTPs). From OWASP. Text SMS API allows you to send text SMS at your convenience. Adding TOTP to your Node. As we know that Javascript is a very common and important language and also a light wight which do our most of task very easily. A user can login with an ID and a password under the one-factor authentication. Verifying OTP (one-time password) can give a headache to some users. However, you may already be using a cloud service for your entire authentication stack, you may find this perspective … Continue reading "Using Authy to Add 2FA To Auth0 Applications". Use only if OTP needs to be delivered to customer's Email ID. js Two-Factor Authentication. Using existing user information from popular social networks such as Google, Facebook, etc. A verification will be done and a six digit passcode, OTP - one time password, will be sent via SMS to the MSISDN that you have entered above. Depending on the syntax used, CREATE USER may also assign the account a password. Plus with over 100 starters, Spring Boot provides a huge amount of out-of-the-box functionality that traditionally you had to build yourself. Comments: From Email ID will be shown as registered Email ID and From Name will be shown as Registered Full Name as per your account settings. QR Code Authentication; One-Time Password Tokens; Email-Based OTP; Dinkey Pro/FD Dongles; FIDO U2F Security Keys: Software Development Kit for FIDO Authentication; Supported Platforms. In this tutorial, we went through the process of adding authentication to a Flask app with JSON Web Tokens. ' Cool! You have just implemented 2 Factor Authentication using Node. The mobile number must be encoded (see below) added to the request using the login_hint query_string parameter. configuring an external system for kerberos authentication prerequisites procedure 6. Cloud Firestore to save structured data on the cloud and get instant notification when data changes. Authentication Services. Speakeasy is mainly for TOTP and HOTP which are more like 2 Factor Authentication (generate OTPs every 30 seconds, for example). js, AngularJS, and MongoDB application that restricts access to a URL. With this API, you can send messages to a server and receive event-driven responses without having to poll the server for a reply. js that requires user or employee authentication, you can add strong two-factor authentication security with ready code in just a few minutes. in solution is its Fast, Reliable & Economical too. The Basic authentication used in HTTP (which is the type curl uses by default) is *plain* *text* based, which means it sends username and password only slightly obfuscated, but still fully readable by anyone that sniffs on the network between you and the remote server. It's made by a dedicated community. Anyone can use it, and it will always be free. After successful authentication, the users will be allowed to the system as authenticated users. As part of the algorithm an HmacSHA1 hash (to be precise it’s a hash-based message authentication code) of the moving factor will be generated using the shared secret. Authentication seems quite easy to me, literally every online guide says to use bcrypt or some other NPM hashing library to store passwords, taking only a few lines of code. You'll even get advanced features such as User Federation, Identity Brokering and Social Login. Custom Authentication and Authorization in ASP. Comments: From Email ID will be shown as registered Email ID and From Name will be shown as Registered Full Name as per your account settings. Authentication Cheat Sheet. js Authentication using Express is very easy. If the credentials match, the process is completed and the user is granted authorization for access. Step 3) Generate TOTP (Time-Based One time password) using Google Authenticator App. js URL Module Node. Two-factor authentication multiplies the protection against attacks, and we recommend that you implement this with your npm account. Your akey is a string that you generate and keep secret from Duo. AuthLite is the most affordable solution that lets you easily switch your current VPN logon to secure two-factor authentication tokens! The simple setup augments Active Directory's normal password security with an easy to use one-touch token for each user. Most websites are, however, still stuck with the same authentication mechanism as from the earliest days of the web: username and password. As we were a bit ahead of the market, our team was reassigned to work with a team of Verisign on a new authentication method: OTP or One Time Password. It provides robust support for custom token lengths. NET works, they are nearly impossible to comprehend. Part 1 - The Basics with Node. Send OTP codes with text to speech calls using Sinch and Node. So, send a message - 'OTP Verified. The main drawback is the need to send user credentials with each request which may be insecure and could hurt operation performance (since CouchDB must compute the password hash with every request):. The two-factor authentication makes possible a highly secure and tamper-free identification. To create tokens for a particular OAuth application using this endpoint, you must authenticate as the user you want to create an authorization for and provide the app's client ID and secret, found on your OAuth application's settings page. There are a large number of out-of-the box authentication mechanisms such as delivered OTP (sms/email), TOTP, HOTP, IBM Verify (mobile push), knowledge questions, FIDO U2F and more. In this very long and graphic heavy post I show the end-to-end setup and use of a YubiKey physical token from Yubico as a Multi-Factor Authentication (MFA) second factor authentication method to Azure AD/Office 365. The Apps Script API provides a scripts. Basic Authentication¶. 2Factor Authentication - India API Documentation. js Part 1 - The Basics with Node. otpauth is a One Time Password (HOTP/TOTP) authentication library for Node. enabling the one time password in the web ui prerequisites. Text SMS API allows you to send text SMS at your convenience. html file and related assets, instead of simply a line of text. Extremely flexible and modular, Passport can be unobtrusively dropped in to any Express -based web application. Lets Look at how i have designed other skill triggered. It's made by a dedicated community. API token authentication is an important security aspect of web and mobile application. js strategy that validates the user-entered TOTP code and requires access to the user. Among app and service developers, using two-factor authentication (2FA) to verify user identity has become increasingly popular, as internet security. net, javascript, node. A comprehensive set of strategies support authentication using a username and password, Facebook, Twitter, and more. Two Factor Authentication became more important nowadays for security purposes, Most of the sites which handle money or anything related to payment. js File System Node. js, Golang, SQL, NoSQL. Pentesting Node. Two-factor authentication. js, Express, MongoDB, and passport package to build a simple web-based authentication system. Learn how to use Speakeasy to handle two-factor authentication (2FA) time-based one-time password (TOTP) codes with JavaScript and Node. It features support for OATH TOTP and HOTP protocols, as well as standard support for RADIUS OTP, and more. Download and install Node. 2-Step Verification provides stronger security for your Google Account by requiring a second step of verification when you sign in. Dịch vụ tin nhắn quảng cáo, tin nhắn thương hiệu, sms brandname, sms marketing, sms api, cung cấp code gửi tin nhắn tích hợp dễ dàng. We will also use PM2 to keep our application running. Protect logins and control access to your Node. Switch to the new look >> You can return to the original look by selecting English in the language selector above. Thus we have learned how to implement two-factor authentication in a Node. js Application : Nodejs Application Security Hello folks, Today we will see how we can do Pentesting Of NodeJS Application : Attacking NodeJS Application. Start mobile verification and 2FA service in your app or website with OTP services. js applications to allow easy as cake email sending. We started off in the first part looking at using the Spring Initializr to start our Spring Boot project. Two-factor authentication multiplies the protection against attacks, and we recommend that you implement this with your npm account. For fun, I decided to recreate the whole client SSL certificate authentication thing in Node. The cf ssh command is compatible with this security configuration. There is a simple way to do this with an API call to a TextMagic endpoint. We've kept it simple to save. js with JWT Published Apr 24, 2017 In this article, I’ll be walking you through 5 steps with which you can integrate JWT authentication into your existing project. Using existing user information from popular social networks such as Google, Facebook, etc. Badges and reputation points reflect expertise and earned trust. prerequisites 7. Setting up API Token-based Authentication in Laravel 5. An implementation for Erlang/OTP exists too. I am trying implement Azure Multi-Factor Authentication with OTP. config config: access config: allow-same-version config: also config: always-auth config: audit config: audit-level config: auth-type config: bin-links config: browser config: ca config: cache config: cache-lock-retries config: cache-lock-stale config: cache-lock-wait config: cache-max config: cache-min config: cafile config: cert config: cidr config: color config: commit-hooks config: depth. We enable small business to integrate online payment gateway services without any setup cost. js, Express, MongoDB, and passport package to build a simple web-based authentication system. Implement 2fa and OTP with node. 2SV puts an extra barrier between your business and cybercriminals who try to steal usernames and passwords to access business data. js is unique in that it provides an HTTP server as one of the core libraries (to the shagrin of some). Secure your Node. Authentication Cheat Sheet. js Examples Part 2 - Creating an API authenticated with OAuth 2 in Node. 3 return types are currently supported: XML (this is the default) JSON; Serialized PHP. Download our free app today and follow our easy to use guides to protect your accounts and personal information. Android OTP application July 2017 – Present. TC)) ) & 0x7FFFFFFF⊕ ∥ TOTP Value = TOTP mod 10d, where d is the desired number of digits of the one-time password 7. Thus we have learned how to implement two-factor authentication in a Node. If you’re managing user accounts in your web applications, it is. See links to prior tutorials at the bottom of the post. Generate time-based one-time passwords for multi-factor authentication, transaction confirmation, …. 1 Readme File OTP 22. This article will go over how to enable SSH authentication using an OATH-TOTP app in addition to an SSH key. Speakeasy is an OTP generator, which is ideal for use in 2FA(Two Factor Authentication). Depending how you set up your account, you will either receive your OTP codes via SMS or you will use an application like Google Authenticator or 1Password. This process consists of sending the credentials from. Passport is authentication middleware for Node. In Simplified Coding you will get tutorials related to Android, Java, HTML, CSS, JavaScript, jQuery and much more. The Duo Device Management Portal is a standalone version of our self-service portal available to Duo Beyond, Duo Access, and Duo MFA plan customers. js packaged modules based on a highly optimized exceptionally responsive asynchronous socket architecture. For it to happen, we need a separate endpoint that the user sends his first verification code to. The Exploit Database is a CVE compliant archive of public exploits and corresponding vulnerable software, developed for use by penetration testers and vulnerability researchers. js, AngularJS, and MongoDB application that restricts access to a URL. In these circumstances, switching. Passwordless is an authentication middleware for Node. NET Carlos del Prado and Ioseba Palop November 15th MicroLatch: Building Latch in the Palm of Your Hand Álvaro Núñez-Romero November 29th Using Machine Learning to Detect Anomalies Web Traffic Carmen Torrano December 13th. A public application is an application that anonymously starts an authentication or recovery transaction without an API token, such as the Okta Sign-In Widget. Introduction The Initiative for Open Authentication (OATH) [] has identified several use cases and scenarios that require an asynchronous variant to accommodate users who do not want to maintain a synchronized authentication system. I am trying implement Azure Multi-Factor Authentication with OTP. js Intro Node. js and MongoDB”. The documentation on using External Login providers in ASP. HTTP status 200 means a failed authentication attempt. Authentication: username/password Above 2 thousands weekly downloads of the Node. This is the fifth part of my tutorial series on building a Spring Boot Web Application. js is vulnerable to Regular Expression Denial of Service. Question and answer forum for any and all topics related to IBM products and technologies. The claims in a JWT are encoded as a JSON object that is digitally signed using JSON Web Signature (JWS). Passport is authentication middleware for Node. As we know that Javascript is a very common and important language and also a light wight which do our most of task very easily. The difference is the authentication method while connecting to SSL VPN. Described below is a way to generate OTP in automated environments to comply with Two-Factor Authentication security. View Volodymyr Matvienko’s profile on LinkedIn, the world's largest professional community. In Passport Authentication for Node. but it fails to read the file. As such, the many of the crypto defined classes have methods not typically found on other Node. One time password is a high demand authentication functionality in today's times while login into the system, making some transaction or taking some high risk action in the system. We’ll cover the topic of token authentication from an Android app to any web service or API supporting this kind of authentication. The distinction between authentication and authorization is important in understanding how RESTful APIs are working and why connection attempts are either accepted or denied: Authentication is the verification of the credentials of the connection attempt. Apps running on Google Cloud Platform (GCP) managed platforms such as App Engine can avoid managing user authentication and session management by using Cloud Identity-Aware Proxy (Cloud IAP) to control access to them. You can use OAuth and other social media service providers using passport to authenticate the users. 2-Step Verification provides stronger security for your Google Account by requiring a second step of verification when you sign in. For example, Authy or Google Authenticator, can generate one time passwords (OTP's. js authentication tutorial is (probably) wrong, as this post has improved some of these tutorials. js $ npm install passwordless --save. Authentication: username/password Above 2 thousands weekly downloads of the Node. Technologies Used - MongoDB, Ethereum, Smart Contracts,AJAX, JSON • PHP based user login via aadhar no and an extra token-based OTP authentication with the number registered via aadhar. Affected versions of this package are vulnerable to Authentication Bypass. js before, but we'll review since it differs substantially from the traditional request-reply model most applications use. System default is null. js and some EcmaScript standards I'll be using. Almost two years ago I had written a tutorial around 2FA in a Node. config config: access config: allow-same-version config: also config: always-auth config: audit config: audit-level config: auth-type config: bin-links config: browser config: ca config: cache config: cache-lock-retries config: cache-lock-stale config: cache-lock-wait config: cache-max config: cache-min config: cafile config: cert config: cidr config: color config: commit-hooks config: depth. com hotp hmac otp authenticator 2fa one-time-passwords two-factor-authentication two-factor google-authenticator nodejs browser. The Apps Script API provides a scripts. 1 Source File (92011103) OTP 22. 0 first of all need to understand two terminologies. Developer must develop their owned system that can only create One-Time Password but these system will may not provide the password from the standard that means these system is insceure. Feature: Add Google Authentication: In this tutorial, you’ll add Google authentication (OAuth) to your Stitch backend and your To-do client. I will use PHP in this article - this means that the server side can use this code to validate the client one. 2 Step verification for NodeJS. This is a setup tool for easy system setup. Affected versions of this package are vulnerable to Authentication Bypass. 2-Step Verification provides stronger security for your Google Account by requiring a second step of verification when you sign in. Jump to: navigation, search. There is a base `User` class that you can use directly or extend to suit. 509 Cluster Certificates that Contain New DN. js and some EcmaScript standards I’ll be using. js; Securing verification with Node. Request a One-Time Password. js website, web application or cloud-based application quickly and easily today. Actually logging in for any application can be a pain. The most widely implemented solution for strong authentication is undoubtedly two-factor authentication (2FA), also known as one-time password (OTP). js File System Node. The Cheat Sheet Series project has been moved to GitHub! Please visit Authentication Cheat.