mirror of
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79 lines
3.4 KiB
Plaintext
79 lines
3.4 KiB
Plaintext
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..... ..
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.H8888888h. ~-. . uW8"
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888888888888x `> u. .. . : `t888
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X~ `?888888hx~ ...ue888b .888: x888 x888. 8888 .
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' x8.^"*88*" 888R Y888r ~`8888~'888X`?888f` 9888.z88N
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`-:- X8888x 888R I888> X888 888X '888> 9888 888E
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488888> 888R I888> X888 888X '888> 9888 888E
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.. `"88* 888R I888> X888 888X '888> 9888 888E
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x88888nX" . u8888cJ888 X888 888X '888> 9888 888E
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!"*8888888n.. : "*888*P" "*88%""*88" '888!` .8888 888"
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' "*88888888* 'Y" `~ " `"` `%888*%"
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^"***"` "`
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A minimalistic commandline tool to manage encrypted volumes v.1.3
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http://tomb.dyne.org
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Tomb aims to be a free and open source system for easy encryption and
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backup of personal files, written in code that is easy to review and
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links shared GNU/Linux components.
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At present time, Tomb consists of a simple shell script (Zsh) using
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standard filesystem tools (GNU) and the cryptographic API of the Linux
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kernel (cryptsetup and LUKS). Tomb can also produce machine parsable
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output to facilitate its use inside graphical applications.
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** How does it works
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This tool can be used to dig .tomb files (Luks volumes), forge keys
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protected by a password (GnuPG symmetric encryption) and use the keys
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to lock the tombs. Tombs are like single files whose contents are
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unaccessible in absence of the key they were locked with and its
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password.
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Once open the tombs are just like normal folders and can contain
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different files, plus they offer advanced functionalities like bind
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and execution hooks and fast search, or they can be slammed close even
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if busy. Keys can be stored on separate media like USB sticks, NFC or
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bluetooth devices to make the transport of data safer: one always
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needs both the tomb and the key, plus its password, to access it.
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The tomb script takes care of several details to improve the security
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of tombs in every day usage: adopting pinentry for passwords,
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facilitating the storage of backup keys using image steganography,
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listing open tombs and selectively closing them, warning the user
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about their size and last time they were used, etc.
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** Stage of development
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Tomb is an evolution of the 'mknest' tool developed for the dyne:bolic
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GNU/Linux distribution, which is used by its 'nesting' mechanism to
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encrypt the Home directory of users, a system implemented already in
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2001. Since then, the same shell routines kept being maintained and in
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2007 they were adapted to work on Debian and Arch distributions.
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As of today, Tomb is a well stable tool also used in mission critical
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situations by a number of activists in endangered zones. It has been
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reviewed by forensics analysts and it can be considered to be safe for
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military grade use, where the integrity of informations stored depend
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from the user's behaviour and the strenght of a standard AES256
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CBC-ESSIV encryption algorithm.
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** How can you help
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Code is pretty short and readable: start looking around it and the
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materials found in doc/ which are good pointers at security measures
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to be further implemented.
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Tomb's developers can be contacted via the "crypto" mailinglist on
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http://lists.dyne.org
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Enthusiastic ideas are in the TODO file.
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Donations are always welcome, see http://dyne.org/donate
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Information on developers involved is found in the AUTHORS file.
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