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PAM module to provide two-factor authentication based on HOTP

Use HOTP (RFC4226) two-factor authentication with PAM.

In addition to a normal password, users are also assigned a 128 bit key and arbitrary-length PIN number. Every time you'd like to login using a OTP, you calculate a secure hash based on your assigned PIN and an increasing counter, the result of which is a six character one time password.

While this module could be used in conjunction with many different client devices, it was written specifically with Android devices in mind. There is companion software which runs on Android, so that your phone essentially becomes a SecureID token. All you need to do is open up the software, type in your PIN, and you get back a 6-character number that you can use to login to your system.

Package version:0.5-3.1


This PAM  module is designed to provide two-factor authentication
support, based on an algorithm outlined in RFC 4226
<> known as HOTP.  

The basic problem is this: one might occasionally find it necessary to
access email or get a remote shell from a computer that is one's
own. The problem, however, is that it's often unwise to trust
computers that are n


After installation, you need to configure your PAM stack to use the Barada
module for authorization.  In the /etc/pam.d/ directory you will find a list of
programs which use PAM.  If, for instance, you would like to use this in
conjunction with SSH, you'd edit the file /etc/pam.d/sshd -- which should
already exist.  Just above the line:

@include common-auth would add the line:



barada-pam (0.5-3.1) unstable; urgency=low

  * Non-maintainer upload.
  * Update patch to really fix FTBFS with gold or ld --no-add-needed
    (Closes: #615696)

 -- Dmitrijs Ledkovs <>  Thu, 31 May 2012 18:54:17 +0100

barada-pam (0.5-3) unstable; urgency=low

  * debian/rules: add build-{arch,indep} targets
  * debian/rules: substituted deprecated dh_clean -k call for dh_prep



This package was debianized by Andrew Pollock <apollock@unknown> on
Tue, 13 Jan 2009 17:48:50 -0800.

Browse inside libpam-barada_0.5-3.1_i386.deb

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         [DIR]etc/ (1)  65535+ mirrors
         [DIR]lib/ (1)  65535+ mirrors
         [DIR]usr/ (2)  65535+ mirrors

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