the process of converting information using an algorithm (or cipher) to render the information unreadable to anyone who doesn't have the algorithm (also known as a key)

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7
votes
6answers
700 views

Simple encryption software for the Mac

I am looking for an application which would allow me to encrypt either a file or a folder. Something like right click on a file/folder, select Encrypt, give it a password and ready. Of course, it ...
6
votes
2answers
2k views

How to make an expanding compressed encrypted disk image?

I'd like the following setup: A DMG file sits on my HD, taking up only the space of the contents, or perhaps only the space of the contents compressed. If I double-click on it, I need to give a ...
5
votes
5answers
4k views

What are my options for full system (or at least home directory) encryption?

I own a MacBook Pro, which is obviously a Laptop, so I want to protect myself in case it ever gets stolen. On Windows I can use TrueCrypt to do a full system encryption, but would that also be a ...
5
votes
2answers
2k views

How can I get Time Machine to back up the contents of a File Vault while logged in?

Disclaimer: this question and answer are targeted to the Snow Leopard implementation of FileVault where the user home folder is only encrypted in a bundle. Lion's implementation of FileVault doesn't ...