LinOTP

Short description: Linux-based software program

LinOTPDeveloper(s)| KeyIdentity GmbH

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Initial release| March 1, 2010 (2010-03-01)
Stable release|

2.12.3 / April 7, 2021; 5 years ago (2021-04-07)[1]

Preview release|

3.0rc4 / March 18, 2021; 5 years ago (2021-03-18)[1]

Repository| github.com/LinOTP/LinOTP
Written in| Python
Operating system| Linux
Available in| English, German
Type| OTP Authentication server
License| AGPLv3, GPLv2
Website| www.linotp.org

LinOTP is Linux-based software to manage authentication devices for two-factor authentication with one time passwords. It is implemented as a web service based on the python framework Pylons. Thus it requires a web server to run in.

LinOTP is mainly developed by the German company KeyIdentity GmbH. Its core components are licensed under the Affero General Public License.

It is an open source authentication server certified[2] by the OATH initiative for open authentication for its 2.4 version.

## Contents

* 1 Overview
* 2 Features
* 3 Source Code
* 4 Project web site
* 5 See also
* 6 References

## Overview

As a web service, LinOTP provides a REST-like web API.[3] All functions can be accessed via Pylons controllers. Responses are returned as a JSON object.

LinOTP is designed in a modular way, enabling user store modules and token modules. Thus, it is capable of supporting a wide range of different tokens.[4]

## Features

* Supported tokens:[5]

* SafeNet eToken Pass
* SafeNet Safeword Alpine
* mOTP
* Lost token
* Paper token
* Feitian C-100 (HOTP)
* Feitian]] C-200 (TOTP)
* Feitian C-300 (OCRA)
* Feitian c601 (optical OCRA)
* Authenex A-Key V 3.6
* Yubico Yubikey
* Gemalto Ezio Token
* Smartdisplayer
* NagraID 106/103
* NagraID 306 (OCRA)
* BR Token SafeSIGNATURE
* LSE Simple Pass token
* LSE Remote Token
* LSE Radius Token
* LSE Tagespasswort Token
* Apps for iPhone and Android like the Google Authenticator
* Any HOTP/ TOTP and OCRA Token

* Yubikey mass enrollment via CLI
* support for token databases like sqlite, mysql, postgresql, oracle, db2
* management via web interface or command line client
* Users stored in flat files
* PAM module
* SAML
* OpenID
* FreeRADIUS connection via rlm_perl
* Selfservice
* Import of XML Token files
* Management functions:

* enroll/assign tokens
* synchronize, resynchronize, automatic resychronization
* activate/deactivate/delete tokens
* autoassignment
* lost token scenario
* find token by OTP value
* get OTP value

* Detailed Policies Definitions
* Sophisticated Audit API
* Multitenancy

## Source Code

Being written in Python the program itself comes as the source code.

## Project web site

lintop

## See also

* One-time password
* Tokens
* TOTP
* HOTP
* Multi-factor authentication
* OTPW
* privacyIDEA
* OPIE Authentication System
* Google Authenticator
* Pylons project
* Comparison of TOTP applications

## References

1. ↑ 1.0 1.1 "Releases · LinOTP/LinOTP". https://github.com/LinOTP/LinOTP/releases.
2. ↑ "OATH certified authentication server". Initiative for open authentication. Archived from the original on 28 May 2013. https://web.archive.org/web/20130528143842/http://www.openauthentication.org/certification/products. Retrieved 20 May 2013.
3. ↑ "LinOTP API". LinOTP. http://linotp.org/linotp-api/. Retrieved 14 Nov 2013.
4. ↑ Proctor, W. Cyrus; Storm, Patrick; Hanlon, Matthew R.; Mendoza, Nathaniel (2017-11-12) (in en). Securing HPC: development of a low cost, open source multi-factor authentication infrastructure. ACM. pp. 1–11. doi:10.1145/3126908.3126957. ISBN 978-1-4503-5114-0. https://dl.acm.org/doi/10.1145/3126908.3126957.
5. ↑ "LinOTP Features". LinOTP. http://linotp.org/features.html. Retrieved 20 May 2013.

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