Browse free open source Authentication software and projects for Linux below. Use the toggles on the left to filter open source Authentication software by OS, license, language, programming language, and project status.

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  • 1
    EJBCA, JEE PKI Certificate Authority
    EJBCA is an enterprise class PKI Certificate Authority built on JEE technology. It is a robust, high performance, platform independent, flexible, and component based CA to be used standalone or integrated in other JEE applications.
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    Downloads: 173 This Week
    Last Update:
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  • 2
    StrongKey FIDO Server (SKFS)

    StrongKey FIDO Server (SKFS)

    FIDO® Certified StrongKey FIDO Server (SKFS)

    An open source implementation of the FIDO2 protocol to support passwordless strong authentication using public-key cryptography. Supports registration, authentication (all platforms), and transaction authorization (for native Android apps).
    Downloads: 16 This Week
    Last Update:
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  • 3
    Identityflow provides a framework for building protocol flows that perform distributed Identity operations. Examples of Identity Operations are Single Sign-On (SSO) and Attribute queries.
    Downloads: 1 This Week
    Last Update:
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  • 4
    Barada
    Barada (Barada Aint Respecting Any Deceptive Adversaries) is a PAM module designed to provide two-factor authentication support. There is companion software called Gort which runs on Android devices, essentially turning your phone into a SecureID token. The PAM module is available in the repositories for Debian based distributions. Gort, the Android client, is available from the android market (https://play.google.com/store/apps/details?id=net.sf.crypt.gort)
    Downloads: 0 This Week
    Last Update:
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  • 5
    FireWebSSO server for the FireWebSSO addon for Firefox. A Single Sign-On (SSO) server dedicated to Firefox and SeaMonkey navigators. It provides a secure remote storage for logins/passwords, bookmarks and personal notes. For apache or standalone usage.
    Downloads: 0 This Week
    Last Update:
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  • 6
    This java tools design to decrypt and obtain the MS Windows Admin password from encrypted password get from Amazon EC2. It can run as standalone application or embedded as Java applet in HTML.
    Downloads: 0 This Week
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  • 7
    HTMF is a Java Hard Token Management Framework used to manage the complete livecycle of an organizations Smartcards and/or USB dongles. It communicates with the tokens through a PKCS11 interface.
    Downloads: 0 This Week
    Last Update:
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  • 8
    a KDE front end to the OpenSSL tools and CA scripts, with LDAP/X509 directory integration and access to KDE Certificate stores
    Downloads: 0 This Week
    Last Update:
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  • 9
    Odyssi PKI aims to be a complete PKI suite written in Java, and designed from the ground up with security in mind. When completed, it will be fully standards compliant with PKIX, XKMS, OCSP, and other PKI standards.
    Downloads: 0 This Week
    Last Update:
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  • 10
    OpenPortalGuard is a flexible, extensible, and massively scalable access control system for portals. It provides single-sign-on features for username/pw and smartcards as well as declarative access control.
    Downloads: 0 This Week
    Last Update:
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  • 11
    You could be doing a better job of website security... If only there was a simple way to implement SSL with signed keys? PHP-CA is an easy to use and easy to administer Certificate Authority that runs in PHP.
    Downloads: 0 This Week
    Last Update:
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  • 12
    The PHP Web Toolkit enables the rapid development of multi-layered web applications and is designed to be easy to use, extensible, reliable, reusable, scalable and secure. It integrates with ADOdb, FCKeditor, kses, Libmcrypt, Libmhash and Smarty.
    Downloads: 0 This Week
    Last Update:
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  • 13
    PKCS#11 libraries for Linux, Solaris, Mac OS X, HP-UX, and others built to be used with PCSC Lite and MuscleCard Framework located at: http://www.musclecard.com Full Netscape support with full support for x509 certificates on on-board key generation f
    Downloads: 0 This Week
    Last Update:
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  • 14
    The Password Auditing Project will be a compilation of other, previously released password auditing programs, in such a fashion as to reap the best benefits of each portion. Pulling innovations from John the Ripper, Lepton, Rainbow Tables, and more.
    Downloads: 0 This Week
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  • 15
    Qryptix consists of a PAM object and utilities for session- and key-management for encrypted home directories using the International Kernel (CryptoAPI) patches for Linux. It simplifies login/logout, mounting/unmounting, and key generation and changing.
    Downloads: 0 This Week
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  • 16
    Smartcard key storage daemon is an application for storing transparently keys for cryptographic applications on smartcards. (ie. GnuPG or OpenSSH)
    Downloads: 0 This Week
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  • 17
    TACACS+ protocol client library and PAM module in C. This PAM module support authentication, authorization (account management) and accounting (session management)performed using TACACS+ protocol designed by Cisco.
    Downloads: 0 This Week
    Last Update:
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  • 18
    UnityCA is a Certificate Authority "front end" based on the Community-Oriented CA (COCA) model, which was primarily developed for non-profit "free CAs." Organizational and end-user interfaces provide trusted web management of the installed CA (eg ElyCA).
    Downloads: 0 This Week
    Last Update:
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  • 19
    babel.lib is Babel Com Australia's PHP Components Library, which we are releasing under an open source license for other PHP developers.
    Downloads: 0 This Week
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  • 20
    pam-openvpn is a Linux PAM-module which works together with OpenVPN. With this pam-module it is possible to establish vpn connections when a user logs into a system and tear down the connection when the user logs off. This is ideal for mobile systems.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    PAM support in CNTLM proxy. This project is an altered version of latest CNTLM proxy (http://cntlm.sf.net), patched to add PAM authentication support.
    Downloads: 0 This Week
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  • 22
    tinySSO is a simple Single Sign-On in Java based on a secure cookie protocol.
    Downloads: 0 This Week
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  • 23
    A simple set of scripts and tools for creating and distributing PKI certs for libvirt servers and management clients.
    Downloads: 0 This Week
    Last Update:
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  • 24
    WebToken is a cryptographic system to authenticate users through a 2FA (Two-Factor Authentication) using OTP (One Time Password).
    Downloads: 0 This Week
    Last Update:
    See Project
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