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Karl Fogel 07-10-2008 10:36 PM

Bug#490240: ITP: onetime -- A command-line encryption program based on the "one-time pad" method.
Package: wnpp
Severity: wishlist
Owner: Karl Fogel <>

* Package name : onetime
Version : 1.73
Upstream Author : Karl Fogel <>
* URL :
* License : Public Domain
Programming Lang: Python
Description : A command-line encryption program based on the "one-time pad" method.

Encoder/decoder for one-time pads.

The usual public-key encryption programs, such as GPG, are probably
secure for everyday purposes, but their implementations are too
complex for all but the most knowledgeable programmers to vet, and
anyway there are too many vulnerable steps in the supply chain between
GPG's authors and the end user.

Hence this script, OneTime, a simple encryption program that works with
one-time pads. If you don't know what one-time pads are, you probably
wouldn't be able to use them securely, so this program is not for you.
If you do know what they are and how to use them, OneTime will take care
of some of the pad-management bureacracy for you. It avoids re-using
pad data (except when decrypting the same encrypted message twice, of
course) by maintaining records of pad usage in ~/.onetime/pad-records.
And if you keep your ~/.onetime configuration area under version control
with Subversion or CVS, OneTime will automatically update it to get the
latest pad usage records before using a pad, and will commit new
records after using a pad. Thus, by sharing a single configuration
area via version control, you and your interlocutors can transparently
avoid the sin of pad range reuse.

See for more information
about one-time pads in general; run 'onetime --help' for a detailed
usage message about OneTime itself.

OneTime is in the public domain.

-- System Information:
Debian Release: lenny/sid
APT prefers testing
APT policy: (500, 'testing')
Architecture: i386 (i686)

Kernel: Linux 2.6.24-1-686 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

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