From: Dejan Dimic <dejan.dimic@...>
Date: 2010-04-30T16:55:39+09:00
Subject: Re: Encrypting files in Ruby

On Apr 29, 11:58 pm, Demec <de...@me.com> wrote:
> So far the tutorials I've seen are for encrypting text and then
> decrypting it back.
> So for example you have a
>  plaintext = "some text"
>
> you encrypt it and the you decrypt it depending on how you encrypted
> it.
>
> What I am looking for is to encrypt a whole file and then store it.
> for example I allow my users to upload .doc/.xls files in a Rails app.
> I want to encrypt those files so I would not store them like that, and
> in case a user wants to download it back the app will decrypt it and
> then send it to user.
>
> How can I do this ?

Try http://www.google.com/search?q=ruby+encrypt+decrypt