Implementing Two-Factor Authentication (2FA)

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by rajasekar dot icon Updated: Apr 6, 2023

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Build a Multifactor Security Process Banner Two-factor authentication (2FA) is a multifactor security process where users must authenticate their identity with two different means. This ensures better protection of secured assets and information.

Traditional username and password combinations are prone to hacking and getting hacked has been on the rise. Implementing 2FA authentication will prevent hackers from accessing your accounts even if your password is stolen. 2FA is a recommended practice for securing all your online accounts and devices to protect sensitive information losses.

You will need a different set of components with features ranging from creating the secret codes, accessing and authenticating.

OTP:

Time-based One-Time Password involves generating a one-time password from a shared secret key and the current timestamp using cryptographic algorithms. These libraries will help you generate secrete one-time passwords

andOTPby andOTP

Java doticonstar image 3685 doticonVersion:v0.9.0.1doticon
License: Permissive (MIT)

[Unmaintained] Open source two-factor authentication for Android

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            andOTPby andOTP

            Java doticon star image 3685 doticonVersion:v0.9.0.1doticon License: Permissive (MIT)

            [Unmaintained] Open source two-factor authentication for Android
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                      java-totpby samdjstevens

                      Java doticonstar image 309 doticonVersion:Currentdoticon
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                      A java library for implementing Time-based One Time Passwords for Multi-Factor Authentication.

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                                java-totpby samdjstevens

                                Java doticon star image 309 doticonVersion:Currentdoticon License: Permissive (MIT)

                                A java library for implementing Time-based One Time Passwords for Multi-Factor Authentication.
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                                          Java doticonstar image 279 doticonVersion:two-factor-auth-1.3doticon
                                          License: Permissive (ISC)

                                          Two Factor Authentication Java code implementing the Time-based One-time Password Algorithm

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                                                    two-factor-authby j256

                                                    Java doticon star image 279 doticonVersion:two-factor-auth-1.3doticon License: Permissive (ISC)

                                                    Two Factor Authentication Java code implementing the Time-based One-time Password Algorithm
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                                                              java-otpby jchambers

                                                              Java doticonstar image 394 doticonVersion:java-otp-0.4.0doticon
                                                              License: Permissive (MIT)

                                                              A one-time password (HOTP/TOTP) library for Java

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                                                                        java-otpby jchambers

                                                                        Java doticon star image 394 doticonVersion:java-otp-0.4.0doticon License: Permissive (MIT)

                                                                        A one-time password (HOTP/TOTP) library for Java
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                                                                                  androidtokenby markmcavoy

                                                                                  Java doticonstar image 64 doticonVersion:03.00doticon
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                                                                                  TOTP and HOTP Token for Andriod Devices

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                                                                                            androidtokenby markmcavoy

                                                                                            Java doticon star image 64 doticonVersion:03.00doticon License: Others (Non-SPDX)

                                                                                            TOTP and HOTP Token for Andriod Devices
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                                                                                                      SMS

                                                                                                      Typically the OTP codes are sent to the user's mobile phone using SMS. This also helps to validate the user's mobile number correctness. The user can then enter the secret code into the application to complete the multifactor authentication. The below libraries will help in sending SMS from your application.

                                                                                                      Java doticonstar image 15 doticonVersion:Currentdoticon
                                                                                                      License: Others (Non-SPDX)

                                                                                                      SMSAPI Java client that allows you to send messages and administrate your SMSAPI account.

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                                                                                                                smsapi-java-clientby smsapi

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                                                                                                                SMSAPI Java client that allows you to send messages and administrate your SMSAPI account.
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                                                                                                                          sms-senderby dezhik

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                                                                                                                          Java library for sending SMS via sms.ru provider.

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                                                                                                                                    sms-senderby dezhik

                                                                                                                                    Java doticon star image 7 doticonVersion:Currentdoticonno licences License: No License

                                                                                                                                    Java library for sending SMS via sms.ru provider.
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                                                                                                                                              Code to Send SMS From PC to Mobile using Internet

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                                                                                                                                                        java-send-sms-with-smslibby hoai

                                                                                                                                                        Java doticon star image 1 doticonVersion:Currentdoticonno licences License: No License

                                                                                                                                                        Code to Send SMS From PC to Mobile using Internet
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                                                                                                                                                                  Email

                                                                                                                                                                  The unique generated one-time password is sent via email to the user. The user uses the code from the email and enters the code into the application to confirm the authentication.

                                                                                                                                                                  simple-java-mailby bbottema

                                                                                                                                                                  Java doticonstar image 1093 doticonVersion:8.1.1doticon
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                                                                                                                                                                  Simple API, Complex Emails (Jakarta Mail smtp wrapper)

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                                                                                                                                                                            simple-java-mailby bbottema

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                                                                                                                                                                            Simple API, Complex Emails (Jakarta Mail smtp wrapper)
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                                                                                                                                                                                      mailgunby sargue

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                                                                                                                                                                                      Java library to easily send emails using the Mailgun service

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                                                                                                                                                                                                mailgunby sargue

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                                                                                                                                                                                                Java library to easily send emails using the Mailgun service
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                                                                                                                                                                                                          Biometric Authentication

                                                                                                                                                                                                          Using Biometrics for authentication has been made easy with mobile devices. Biometrics can include different choices, such as using fingerprints, voice, and face as the secondary authentication mechanism.

                                                                                                                                                                                                          Java doticonstar image 645 doticonVersion:v2.0.1doticon
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                                                                                                                                                                                                          Android library to simplify Biometric authentication implementation.

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                                                                                                                                                                                                                    Android-Goldfingerby infinum

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                                                                                                                                                                                                                    Android library to simplify Biometric authentication implementation.
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                                                                                                                                                                                                                              Java doticonstar image 525 doticonVersion:3.0.0doticon
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                                                                                                                                                                                                                              React Native module for iOS and Android biometrics

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                                                                                                                                                                                                                                        react-native-biometricsby SelfLender

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                                                                                                                                                                                                                                        React Native module for iOS and Android biometrics
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                                                                                                                                                                                                                                                  fingerbloxby jorenham

                                                                                                                                                                                                                                                  Java doticonstar image 14 doticonVersion:v1.0doticon
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                                                                                                                                                                                                                                                  Portable secure biometric authentication using your smartphone camera

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                                                                                                                                                                                                                                                            fingerbloxby jorenham

                                                                                                                                                                                                                                                            Java doticon star image 14 doticonVersion:v1.0doticon License: Strong Copyleft (GPL-3.0)

                                                                                                                                                                                                                                                            Portable secure biometric authentication using your smartphone camera
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                                                                                                                                                                                                                                                                      A sample app for demonstrating biometric prompt for Android

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                                                                                                                                                                                                                                                                                android-biometricpromptby Kieun

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                                                                                                                                                                                                                                                                                A sample app for demonstrating biometric prompt for Android
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                                                                                                                                                                                                                                                                                          Push Notifications

                                                                                                                                                                                                                                                                                          Typically, push notifications are sent to your mobile app to authorize login requests. It will include the details of the access device details and once authorized, the login to the application is allowed. Below libraries help in implementing the push notification-based authorization.

                                                                                                                                                                                                                                                                                          Java doticonstar image 6608 doticonVersion:8.1.1doticon
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                                                                                                                                                                                                                                                                                          React Native Local and Remote Notifications

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                                                                                                                                                                                                                                                                                                    react-native-push-notificationby zo0r

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                                                                                                                                                                                                                                                                                                              android-super-gluuby GluuFederation

                                                                                                                                                                                                                                                                                                              Java doticonstar image 6 doticonVersion:Currentdoticon
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                                                                                                                                                                                                                                                                                                              Push-notification mobile app for two-factor authentication (2FA) with the Gluu Server

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                                                                                                                                                                                                                                                                                                                        android-super-gluuby GluuFederation

                                                                                                                                                                                                                                                                                                                        Java doticon star image 6 doticonVersion:Currentdoticon License: Permissive (Apache-2.0)

                                                                                                                                                                                                                                                                                                                        Push-notification mobile app for two-factor authentication (2FA) with the Gluu Server
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                                                                                                                                                                                                                                                                                                                                  java-apnsby notnoop

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                                                                                                                                                                                                                                                                                                                                  Java Apple Push Notification Service Provider

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                                                                                                                                                                                                                                                                                                                                            Java doticon star image 1785 doticonVersion:apns-1.0.0.Beta3doticon License: Permissive (BSD-3-Clause)

                                                                                                                                                                                                                                                                                                                                            Java Apple Push Notification Service Provider
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                                                                                                                                                                                                                                                                                                                                                      pushyby jchambers

                                                                                                                                                                                                                                                                                                                                                      Java doticonstar image 1640 doticonVersion:pushy-0.15.2doticon
                                                                                                                                                                                                                                                                                                                                                      License: Permissive (MIT)

                                                                                                                                                                                                                                                                                                                                                      A Java library for sending APNs (iOS/macOS/Safari) push notifications

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                                                                                                                                                                                                                                                                                                                                                                pushyby jchambers

                                                                                                                                                                                                                                                                                                                                                                Java doticon star image 1640 doticonVersion:pushy-0.15.2doticon License: Permissive (MIT)

                                                                                                                                                                                                                                                                                                                                                                A Java library for sending APNs (iOS/macOS/Safari) push notifications
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                                                                                                                                                                                                                                                                                                                                                                          React Native Library for OneSignal Push Notifications Service

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                                                                                                                                                                                                                                                                                                                                                                                    react-native-onesignalby OneSignal

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                                                                                                                                                                                                                                                                                                                                                                                    React Native Library for OneSignal Push Notifications Service
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