This application is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU AFFERO GENERAL PUBLIC LICENSE for more details. One Time Password Backend can create TOTP and HOTP and generate QrCode Based on library multiOTP http://www.multiotp.net/ develop by "SysCo systèmes de communication" (thanks) test with "Google Authenticator" and "android Token" Can works with Yubikey see doc here : http://www.sj-vs.net/two-factor-authentication-for-owncloud-using-one-time-passwords-otp-from-yubikey/ Administrator interface to manage users OTP require Owncloud >= 7 if you want help to make bug fix, enhancement or translation your welcome. Just fork the github project and submit your pull request GIT : https://github.com/loki36/user-otp Version 2.5 Installation: Upload user_otp directory under the 'apps' directory of your ownCloud. user_otp folder should have read write permission for the web server user (under debian/ubutnu : chown -R www-data:www-data user_otp) Navigate to the 'Apps' page in Admin. Click on 'user_otp' in the application list. Then click the 'Enable' button. Usage: - Navigate to the 'Admin' page to set the server encryption key; - Click 'Save'; - Navigate to 'Personal' page to create Your OTP - keep an admin user working without otp in case of a lost of otp seed if not you can delete otp user config in the db with the query "delete from *PREFIX*user_otp where `user` = 'YOURUSERLOGIN' replace *PREFIX* by owncloud table prefix 'oc_' by default - Use the navigation entry "OTP users" (on left bar, with admin account) to manage user's OTP - if you want to be able to send email to users with OTP config your server must be correctly configure : http://doc.owncloud.org/server/6.0/admin_manual/configuration/configuration_mail.html Todo: - improve Admin interface to manage otp user information (mass provisionning / ...) - add user rescue otp code as lost password process Changelog: V2.5 2014-11-01: bug fix ownCloud 7 compatible? #70 bug fix / enhancement Not working properly with encryption enabled #66 bug fix Timezone errors #64 bug fix Cannot login with two-factor authentication #69 bug fix / enhancement Add support for News API #74 V2.4 2014-04-29: (2.4.1) bug fix DB:MySQL ERROR: Unable to write the changes in the file #61 V2.4 2014-04-27: enhancement stop browsers trying to "remember the OTP but only the "real" password #56 enhancement change on admin page HOTP params #41 enhancement it would be nice to be able to set an own "accuracy" #57 update multiOTP class from 4.0.6 to 4.2.4.2 #58 bug fix no OTP field #53 bug fix css #55 bug fix text error "passorwd" #54 V2.3 2014-04-14: enhancement enter regular password and OTP within same field #44 enhancement admin option for user can't disable otp option (only changed it) #48 bug fix lost password link not working when otp is enable #47 bug fix user (including admin) can't change password with OTP+password required option # 50 V2.2 2014-02-28: enhancement page liste users with otp for admin #40 enhancement Small changes to make this compatible with Yubikey (HOTP) #33 (thanks to Bas) bug fix user-otp prevents creation of new ownCloud users #36 bug fix setting up user token seed fails on OC6 with PostgreSQL 9.1 #38 (thanks to rainforest1155) bug fix two factor auth for user not have a two factor auth #39 bug fix Password-field behaviour for "Two Factor Authendication"is different #6 bug fix Broken path to password.svg - variable owncloud root path #32 V2.1 2014-02-02: bug fix SQL Error using Postgresql as DB #25 bug fix Password not change! #27 owncloud 6 bug fix #28 remove windows binary from the 3rd party bug fix personal setting error #29 V2 : lot of bug fix update multiOTP lib (4.0.4) store otp user information in owncloud DB should work with all user backend! add two factor authenticator options