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 Forum index » Advanced Topics » Additional Software (PETs, n' stuff) » Security/Privacy
CCrypt 1.1.0 (Lucid 528-005)
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chrome307


Joined: 15 Jan 2009
Posts: 713

PostPosted: Sat 20 Oct 2012, 09:43    Post subject:  CCrypt 1.1.0 (Lucid 528-005)
Subject description: Commandline Utility For Encrypting And Decrypting Files And Streams
 

Homepage:
http://ccrypt.sourceforge.net/





Description:

ccrypt is a utility for encrypting and decrypting files and streams. It was designed as a replacement for the standard unix crypt utility, which is notorious for using a very weak encryption algorithm.

ccrypt is based on the Rijndael cipher, which is the U.S. government's chosen candidate for the Advanced Encryption Standard (AES, see http://www.nist.gov/aes). This cipher is believed to provide very strong security.

Unlike unix crypt, the algorithm provided by ccrypt is not symmetric, i.e., one must specify whether to encrypt or decrypt. The most common way to invoke ccrypt is via the commands ccencrypt and ccdecrypt.

There is also a ccat command for decrypting a file directly to the terminal, thus reducing the likelihood of leaving temporary plaintext files around. In addition, there is a compatibility mode for decrypting legacy unix crypt files. An emacs mode is also supplied for editing encrypted text files.

Encryption and decryption depends on a keyword (or key phrase) supplied by the user. By default, the user is prompted to enter a keyword from the terminal. Keywords can consist of any number of characters, and all characters are significant (although ccrypt internally hashes the key to 256 bits). Longer keywords provide better security than short ones, since they are less likely to be discovered by exhaustive search.

Changelog:

October 18, 2012: Release 1.10

This release fixes a number of minor portability issues and minor
bugs. The ccrypt core functionality has been factored into a
convenience library libccrypt.a. A ccguess program was added to
assist in the recovery of mistyped keys. Improved error checking and
fixed minor compiler warnings. Minor improvements to emacs support,
and added a --disable-emacs configuration option. Thanks to
bornlibra23 and Johannes Ruscheinski for bug reports.
ccrypt-1.10-i686.pet
Description  October 18, 2012: Release 1.10
pet

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