keychain is a very simple command line tool for managing passwords

Features include:

• passwords are stored in the blowfish encrypted file $HOME/.keychain

• search for entries using regular expressions

• automatically generates more or less pronouncable random passwords

Usage is very simple, you either start keychain without any arguments to enter an interactive mode or directly supply the command on the command line. Commands are:

help - print this help print [pattern] - print entries matching pattern (patterin is full

regular expression. In particular '.*' matches
everything, not '*'

store id user key - add an entry. If key == ?, generates random password delete id - delete entry rename id_new id_old - rename an entry password - change master password

Now, although I’m using this script for managing my own passwords you should carefully read the following disclaimer:

THIS SOFTWARE IS PROVIDED “AS IS” WITHOUT ANY GUARANTEES TO ITS SUITEDNESS FOR ANY PARTICULAR USE. IN PARTICULAR, I CANNOT GUARANTEE THAT THIS SCRIPT WILL NOT ACCIDENTALLY FORGETS YOUR PASSWORDS, OR THAT THE DATA IS ENCRYPTED IN A FASHION WHICH CANNOT BE CRACKED. THEREFORE, KEEP YOUR $HOME/.keychain PRIVATE, AND REGULARY MAKE SURE TO STORE YOUR PASSWORDS SOMEWHERE ELSE. ALSO MAKE SURE THAT YOU DO NOT FORGET YOUR MASTER PASSWORD!

On the other hand, if you have ideas how to improve the security and the cryptologic strength of the encoding, I’d be happy to know!