Package ccrypt

Secure encryption and decryption of files and streams

http://ccrypt.sourceforge.net/

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.

General Commands (Section 1)
ccguess
The ccguess program attempts to guess ccrypt(1) encryption keys by searching the relevant part of the key space. This is done by prompting the user for an...
ccrypt
ccrypt is a utility for encrypting and decrypting files and streams. It was designed to replace the standard unix crypt utility, which is notorious for using a...