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35 Comments
- 3Den, on 10/12/2007, -0/+3Jeffrey903 - No software required... OSX does this natively.
Disk Utility can create encrypted disk images.
Also, FileVault (System Prefs / Security) will let you have an encrypted home folder. - reverb, on 10/12/2007, -0/+2Jeffrey903: Mac OS X has a built-in feature that encrypts your home directory: http://www.apple.com/macosx/features/filevault/
For encrypting particular files on a drive, you can use Disk Utility to create an encrypted sparseimage on the drive, and then put your files inside that image: http://docs.info.apple.com/article.html?artnum=107333 - tiamat, on 10/12/2007, -0/+1and PGP will allow you to encrypt files, not just free space, so you don't have to format first, and PGP desktop will allow you to boot from the encrypted drive. no dual booting though, you have to use their boot loader if you want to encrypt the drive with your OS. I did this on my laptop and tested doom 3 before and after - no effect on framerates or loading times.
- Jeffrey903, on 10/12/2007, -0/+1I love truecrypt for my windows computer, but does anyone know of any comparable software for my mac (I do not want to encrypted my entire harddrive, but instead just create new drives that with encrypt/decrypt files on the file as I put them in it or access them)? I want something that is easy to use, preferrably free (but it doesn't have to be), and works with Mac.
- norz, on 10/12/2007, -0/+1NB: Truecrypt traveller mode is nice, but if you mount your encrypted drive on a unsafe computer, you will still be putting your data at risk. This could be in an Internet café, on a pc with keyloggers, viruses, etc.
- antiTRACE, on 10/12/2007, -0/+1OSX uses BSD to do it. Windows also has encrypted folders/files as well, be sure to backup your keys no matter which on you use. If you dont encrypt the entire HD, it can be easily circumvented if you have physical access.
- Teridon, on 10/12/2007, -0/+1This article fails to mention that while your encrypted disks are mounted, any users with administrative privileges can access them. :(
- norz, on 10/12/2007, -0/+1eg: I encrypt my backup drive, so I can take it to work, lock it in a drawer with just the usb cable going out, and not worry that an disrespectful collegue could -while I'm away- take the cable and see my data.
- fennec, on 10/12/2007, -0/+1PGP Desktop is not free, tho.
- riflemann, on 10/12/2007, -0/+1The other brilliant thing about truecrypt is that it can mount the same images under both win and linux. My laptop has an encrypted file on a fat32 partition which i can mount under xp, or if I'm booted into linux, I can mount the same filesystem there.
And of course being under the GPL, it's truly free software. - norz, on 10/12/2007, -0/+1A Mac OS version is planned it seems, but no date is given.
- jakv5, on 10/12/2007, -0/+1I need something that can be used on a pc that I do not have administrative privileges for. Any suggestions??
- jasqwerty, on 10/12/2007, -0/+1@Falconwing
A) Why not skip the bluescreen and setup an autoreboot on die?
B) If it's happening that often, why not try and figure out WHY???
Those bluescreens don't say "Oops bad ***** happened" but are actually quite useful in figuring out wtf is causing your computer to ***** up. - nighthwk1, on 10/12/2007, -0/+1The other cool feature that no one else has mentioned yet is you can create an encrypted partition (or file) with a "fake" partition inside it. So, if for some reason you were forced to give up a password, you would give the secondary password which would reveal some not-so-secret data, with your real data being completely undetectable.
- mezz, on 10/12/2007, -0/+1I am looking to encrypt a thumb-drive, but have it be read (after entering the password) on Macintosh/Windows/Linux...
Would this software work on anything besides Windows? - Crazen, on 10/12/2007, -0/+1Too bad it's not available for the mac through fink yet.
P.S. I don't care if BSD underneath has it's own implementation, I was hoping for a cross platform solution. - pt1000, on 10/12/2007, -0/+1Be really careful, I just lost a ton of important data in a Truecrypt volume. If something gets corrupt, your entire volume is basically shot. There is absolutely no way (that I know at least) to recover files. Once a sector goes bad, all the following sectors go bad because they do some chaining thing. Make sure you back it up!!!!
- Falconwing, on 10/12/2007, -0/+0My only fripe with TrueCrypt is that it causes the box to bluescreen every to and from, especially under heavy access. :-( Other than that, couldn't recommend it more.
The bluescreen issue becomes less of an issue if the box is used for light load, like a file server. But I used to run my surveillance recording (of my home) on a TC-encrypted volume, which caused the server to bluescreen every couple days (and need restart, relogin, etc). Not good. - byrdgang, on 10/10/2007, -0/+0Truecrypt is not released under GPL. It has its own open source license.
- Falconwing, on 10/12/2007, -0/+0(and before somebody claims it wasn't TrueCrypt: I have seen this on five different boxes, four of which mimic a setup at work. The only difference is TrueCrypt.)
- DiscoLoke, on 10/12/2007, -0/+0What kind of secret stuff are you guys encrypting? Give me examples of usage or I shall think your just encrypting ye old porn.
- pabs, on 10/12/2007, -0/+0it works on linux, and iirc it's open source
Linux has built-in support for encrypted partitions. See the man pages for losetup(8) and mount(8) for details. - drewcurtis, on 10/12/2007, -0/+0i love true crypt. very easy to use. i keep all of my personal/sensitive files on a few tc encrypted portable harddrives. tc is also impervious to rainbow table attacks -- or so support at the site told me...
- DWatch, on 10/12/2007, -0/+0The best thing about True Crypt, it doesn't have to be installed. It has a 'traveler' mode, and you can run the executable directly, without installing it on a system. That means you can have a thumb drive or external hard drive, and have an encrypted volume on it, and have a folder with true crypt in it, and be able to use it on any windows box you can plug the drive into, without installing any software on that box. I use it on a cf card that has all my personal data on it, credit card numbers, on line user names and passwords, company logins, etc. I have a built in cf reader in my laptop, so its convenient. When I travel, I also carry a small cf to usb reader, just in case the laptop fails and I have to use a borrowed PC. The reason I keep it on a CF card, I keep the card in my camera, and the encrypted file and true crypt folder only takes a few megs on a 512 meg card, and doesn't interfere with the camera's function of writing photo's to other directories, so its the perfect place to hide it.
True crypt also gives you 'plausible deniabiltiy'. The encrypted volume is just another file on the hard drive, but with no information in the file that gives away the fact it is encrypted. It just looks like jumbled garbage in a hex editor. Other encryption software writes the program name and version number in the first few bytes of the file, blowing the possible argument that the file is not encrypted, its just damaged or garbage, in case someone is trying to force the password from you. If the file does not indicate its an encrypted volume, you can stall an attacker by playing dumb. - biofuel, on 10/12/2007, -0/+0and of course encrypt or alternatively secure the backups!
- byrdgang, on 10/10/2007, -0/+0GnuPGP is free, though.
- TheRealStyro, on 10/12/2007, -0/+0True Crypt sounds like a great product. I might using it to encrypt the drive on my laptop (after I replace the 4200 rpm dachshund with a 7200 rpm greyhound). That way if the laptop gets stolen the thief will have to wipe it & install a new OS before it is useful.
Anybody know how True Crypt compares to DriveCrypt (other than price)? - Jeffrey903, on 10/12/2007, -0/+03Den and reverb - thanks for the info. I knew about File Vault, but I did not want to encrypt my entire home directory (if it was ever to become corrupt, that would be really bad), but I did not know that Disk Utility could create encrypted disk images. Thanks for the info again!
- tiamat, on 10/12/2007, -0/+0PGP desktop also does this, and allows the use of smartcards too!
- byrdgang, on 10/10/2007, -0/+0I'd love to know how, because I don't think that's possible. As long as you the intruder does not have the password, he/she can't get to the volume.
- djnick, on 10/12/2007, -1/+0didnt bother reading this, no digg, to many words, no screenshots. we live in a screenshot society damnit!
- jasqwerty, on 10/12/2007, -1/+0Yah, that's about it discoloke
Or just free space to pretend like you're hot ***** with something somebody would actually want. :-) - LawrenceDudley, on 10/12/2007, -1/+0"I love truecrypt for my windows computer, but does anyone know of any comparable software for my mac (I do not want to encrypted my entire harddrive, but instead just create new drives that with encrypt/decrypt files on the file as I put them in it or access them)? I want something that is easy to use, preferrably free (but it doesn't have to be), and works with Mac."
Yeah, Mac OS X comes with this out-the-box. It's called Filevault, enable it in System Preferences -> Security. Easy isn't it! - muffinresearch, on 10/12/2007, -1/+0Now that true crypt is available for Linux I was kind of hoping that at some point it will be made to run on Mac OSX via Fink. Though I have no idea if that's remotely feasible.
- boazg, on 10/12/2007, -1/+0casacdiong is useless! it's the same of key, so it's not really harder than just one, and if i have an attack on the last encryption i gain the key and use it on the first 2...
"No weak cipher has been implemented in TrueCrypt." - heh, other then 3DES
use blowfish. it's the fastest with the biggest key
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