From: Daniel Berger <djberg96@...>
Date: 2009-02-06T06:40:52+09:00
Subject: Re: Best way to encrypt/decrypt a word



On Feb 5, 12:30 pm, Ruby Student <ruby.stud...@gmail.com> wrote:
> Hello Team,
>
> I have the need to encrypt/decrypt a one word string. The encrypted word
> will be saved in a file.
> Later the word will be picked-up from the file, decrypt it at execution
> time, and use it as a UNIX password to perform certain function that
> requires authentication.
> What Ruby facility is available for this simple function?

Rotate the password in the file. Remember the rotation level. And
then...

require 'crypt/rot13'

rotation = 4
encrypted_password = IO.read(some_file)
password = Crypt::Rot13.new(encrypted_password, -rotation)

MWAHAHAHAH!

Hey, you didn't specify the _level_ of encryption. >:)

Regards,

Dan