Re: hardware full disk encryption

2013-12-12 Thread Chris Murphy
On Dec 12, 2013, at 6:23 PM, Wolfgang S. Rupprecht wrote: > > It also strikes me that one can set the ssd disk password at any time > after OS installation. Since the disk contents are already encrypted > and will continue to be encrypted by the same AES key, from the data's > perspective noth

Re: hardware full disk encryption

2013-12-12 Thread Wolfgang S. Rupprecht
Chris Murphy writes: > On Dec 12, 2013, at 1:36 PM, "Wolfgang S. Rupprecht" > wrote: >> >> If I didn't have always on, hardware FDE for free in the SSD, I'm >> sure I'd be happy with LUKS. > > Yes, it's annoying. But the task is also difficult to do correctly in > a preboot environment. Arguabl

Re: hardware full disk encryption

2013-12-12 Thread Chris Murphy
On Dec 12, 2013, at 1:36 PM, "Wolfgang S. Rupprecht" wrote: > > If I didn't have always on, hardware FDE for free in the SSD, I'm > sure I'd be happy with LUKS. Yes, it's annoying. But the task is also difficult to do correctly in a preboot environment. Arguably they got ahead of themselves a

Re: hardware full disk encryption

2013-12-12 Thread Chris Murphy
On Dec 12, 2013, at 12:32 PM, Wolfgang S. Rupprecht wrote: > > I've got a standard consumer Intel 520 SSD, which claims to do hardware > based AES disk encryption with no speed penalty. It sounds like a > useful way to protect laptop data if the laptop is ever stolen. Has > anyone tried to d

Re: hardware full disk encryption

2013-12-12 Thread Bruno Wolff III
On Thu, Dec 12, 2013 at 12:36:59 -0800, "Wolfgang S. Rupprecht" wrote: Of course, with the Snowden revelations, one has to wonder how random the randomly chosen internal AES key is. If it is from an intentionally crippled RNG, it may be easy for someone in the know to do a brute-force search

Re: hardware full disk encryption

2013-12-12 Thread Wolfgang S. Rupprecht
Bruno Wolff III writes: > On Thu, Dec 12, 2013 at 11:32:41 -0800, > "Wolfgang S. Rupprecht" wrote: >>Google is failing me here due to search spam for LUKS which doesn't >>appear to be capable of *full* *disk* encryption. It only seems to >>encrypt individual partitions. > It can do full encry

Re: hardware full disk encryption

2013-12-12 Thread Bruno Wolff III
On Thu, Dec 12, 2013 at 11:32:41 -0800, "Wolfgang S. Rupprecht" wrote: I've got a standard consumer Intel 520 SSD, which claims to do hardware based AES disk encryption with no speed penalty. It sounds like a useful way to protect laptop data if the laptop is ever stolen. Has anyone tried t

hardware full disk encryption

2013-12-12 Thread Wolfgang S. Rupprecht
I've got a standard consumer Intel 520 SSD, which claims to do hardware based AES disk encryption with no speed penalty. It sounds like a useful way to protect laptop data if the laptop is ever stolen. Has anyone tried to do hardware-based full disk encryption with Fedora? Does one need to boot