I posted elsewhere on this site regarding this topic, but because I used this thread to originally get myself educated, I wanted to provide some input and feedback. The answer provided is entirely correct: Using the ATA Password feature in the BIOS to use the hardware encryption feature of the Intel 520 SSD will be the fastest and most secure way to encrypt the disc.
Note: The Intel Toolbox software will NOT encrypt the disc for you. It will tell you if it's encrypted or not, but it does NOT provide the mechanism to create a password to lock the drive. To do that, you need a motherboard with a BIOS that supports ATA Passwords (which is separate and in addition to a BIOS password, BTW).
The problem is that Mobo makers don't advertise or mention whether they offer ATA Password encryption options. Anywhere. Mobo reviews don't mention it either. For a feature that would unlock the security potential of tens/hundreds of millions of Intel and Samsung SSDs, you'd think someone would mention it. Nope. Nada.
So here's all I can offer. I have the ASRock Extreme6. It had no such ATA Password option. I wrote to ASRock tech support in Taiwan. In a week, they gave me an updated BIOS!!! I suspect they had it all along but didn't want to release it in case noobs locked themselves out of their hard drives. Anyway, if you have an ASRock motherboard, you can get this option, just contact ARock tech support in Taiwan.
ok, so what do I need to do to use the drive's built-in encryption capabilities? – frenchie – 2012-03-22T20:03:10.017
Did the SSD come with a CD of software - probably utilites on there that you can use. – LawrenceC – 2012-03-22T20:06:37.260
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The SSD is encrypted out-of-the-box, so you don't need anything, but if you want to change the key, you can use the tool : http://www.intel.com/support/go/ssdtoolbox/index.htm
– Nettogrof – 2012-03-22T20:09:27.373@Nettogrof: I never have to type a password; how do I enable encryption? – frenchie – 2012-03-22T20:24:50.817
@frenchie This is a forum thread that answer your question:http://communities.intel.com/thread/20537?start=0&tstart=0
– Nettogrof – 2012-03-22T20:30:21.123If you want to prevent unauthorized people from using the drive, enable the HDD password from the BIOS. The firmware performs the encryption. If an HDD password is enabled, and an adversary tries to remove the flash from the board and dump the data directly from it, they will only see ciphertext. Of course the drive decrypts before satisfying host requests - IF the password is provided. (Wouldn't know where the password is stored though.) – LawrenceC – 2012-03-22T20:36:34.463
ok so all I need to do go to the bios and setup a hard drive password??? Does it encrypt the data already on the drive? – frenchie – 2012-03-22T20:44:47.920
@Nettogrof: the forum talks about encrypting when the computer doesnt have a bios that enable it. Does that mean that if my computer has a bios password for the hard then that's all I'd need to do? – frenchie – 2012-03-22T20:47:14.457