/usr/share/doc/cryptcat/README.cryptcat is in cryptcat 20031202-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Thanks for downloading cryptcat!
cryptcat = netcat + encryption
Cryptcat is the standard netcat enhanced with twofish encryption.
netcat was origianally written by the l0pht (hobbit and weld pond).
The portion of the code written by farm9 is being released as Open Source.
Note that the L0pht has information on their copyrights covering netcat. See the
'hobbit.txt' file for that information.
Cryptcat is licensed under the the GNU General Public License, Version 2 or later
in conformance with the original NetCat license.
http://www.fsf.org/licenses/info/GPLv2orLater.html
Twofish is courtesy of counterpane, and cryptix. We started with the
Java version of twofish from cryptix, converted it to C++ (don't ask why),
and enhanced it by adding CBC mode and the ciphertext stealing technique
from Applied Cryptography (pg. 196)
How do you use it?
Machine A: cryptcat -l -p 1234 < testfile
Machine B: cryptcat <machine A IP> 1234
This is identical to the normal netcat options for doing exactly the
same thing. However, in this case the data transferred is encrypted.
Changes -- been putting these in Changelog file...
Since release alot of people have been submitting changes (many times
for the same thing). I've been doing my best to keep up, we are trying
to get this up on sourceforge, but there seems to be some sort of
"approval" process that makes it unclear if that will actually happen.
So, if you have submitted something, and its not here, let me know. If you've
submitted a change, and its here with someone else's name, that just means
someone else got the same change in before you.
If you have a change, let me know what name if any to include with
the change.
jsilva@farm9.com
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
***************************************************************************/
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