Re: Somewhat OT, encryption question

2014-11-30 Thread Florian Weimer
* Bill Oliver: > Is there anything like that for fedora? There is some work on TPM support for LUKS. I don't know if it has made its way into Fedora, though. > It would probably be pretty easy to hack the gpg source code to add > a few lines to append system information to the passphrase, but i

Re: Somewhat OT, encryption question

2014-11-27 Thread Robert Moskowitz
On 11/27/2014 12:01 PM, Bill Oliver wrote: On Thu, 27 Nov 2014, Robert Moskowitz wrote: On 11/27/2014 11:34 AM, Bill Oliver wrote: On Wed, 26 Nov 2014, Bruno Wolff III wrote: > On Wed, Nov 26, 2014 at 20:47:25 +, > Bill Oliver wrote: > > On Wed, 26 Nov 2014, Bill Oliver wrote: > >

Re: Somewhat OT, encryption question

2014-11-27 Thread Bill Oliver
On Thu, 27 Nov 2014, Robert Moskowitz wrote: On 11/27/2014 11:34 AM, Bill Oliver wrote: On Wed, 26 Nov 2014, Bruno Wolff III wrote: > On Wed, Nov 26, 2014 at 20:47:25 +, > Bill Oliver wrote: > > On Wed, 26 Nov 2014, Bill Oliver wrote: > > > > Actually, let me be more specific. Le

Re: Somewhat OT, encryption question

2014-11-27 Thread Robert Moskowitz
On 11/27/2014 11:34 AM, Bill Oliver wrote: On Wed, 26 Nov 2014, Bruno Wolff III wrote: On Wed, Nov 26, 2014 at 20:47:25 +, Bill Oliver wrote: On Wed, 26 Nov 2014, Bill Oliver wrote: Actually, let me be more specific. Let's say I have data on a flash drive that is encrypted using gpg.

Re: Somewhat OT, encryption question

2014-11-27 Thread Bill Oliver
On Wed, 26 Nov 2014, Bruno Wolff III wrote: On Wed, Nov 26, 2014 at 20:47:25 +, Bill Oliver wrote: On Wed, 26 Nov 2014, Bill Oliver wrote: Actually, let me be more specific. Let's say I have data on a flash drive that is encrypted using gpg. We can even say the flash drive itself is en

Re: Somewhat OT, encryption question

2014-11-27 Thread Dave Ihnat
In addition to any other solution you end up using, consider self-encrypting drives (SED); for instance: http://www.computerweekly.com/feature/Self-encrypting-drives-SED-the-best-kept-secret-in-hard-drive-encryption-security G'luck, -- Dave Ihnat dih...@dminet.com -- users mai

Re: Somewhat OT, encryption question

2014-11-27 Thread Robert Moskowitz
On 11/26/2014 10:18 PM, Bruno Wolff III wrote: On Wed, Nov 26, 2014 at 20:33:51 -0500, Robert Moskowitz wrote: On 11/26/2014 07:10 PM, Bruno Wolff III wrote: On Wed, Nov 26, 2014 at 20:47:25 +, Bill Oliver wrote: On Wed, 26 Nov 2014, Bill Oliver wrote: Actually, let me be more specif

Re: Somewhat OT, encryption question

2014-11-26 Thread Bruno Wolff III
On Wed, Nov 26, 2014 at 20:33:51 -0500, Robert Moskowitz wrote: On 11/26/2014 07:10 PM, Bruno Wolff III wrote: On Wed, Nov 26, 2014 at 20:47:25 +, Bill Oliver wrote: On Wed, 26 Nov 2014, Bill Oliver wrote: Actually, let me be more specific. Let's say I have data on a flash drive that

Re: Somewhat OT, encryption question

2014-11-26 Thread Robert Moskowitz
On 11/26/2014 07:10 PM, Bruno Wolff III wrote: On Wed, Nov 26, 2014 at 20:47:25 +, Bill Oliver wrote: On Wed, 26 Nov 2014, Bill Oliver wrote: Actually, let me be more specific. Let's say I have data on a flash drive that is encrypted using gpg. We can even say the flash drive itself is

Re: Somewhat OT, encryption question

2014-11-26 Thread Bruno Wolff III
On Wed, Nov 26, 2014 at 20:47:25 +, Bill Oliver wrote: On Wed, 26 Nov 2014, Bill Oliver wrote: Actually, let me be more specific. Let's say I have data on a flash drive that is encrypted using gpg. We can even say the flash drive itself is encrypted. Now let's say that flash drive is st

Re: Somewhat OT, encryption question

2014-11-26 Thread Robert Moskowitz
On 11/26/2014 05:06 PM, Joe Zeff wrote: On 11/26/2014 01:58 PM, Bill Oliver wrote: Then I'd rely on decrypted backups, which are stored under physical lock and key. Or, if necessary, I'd simply go back to the client and get the data again. I do that a lot with paper files, since I burn them wh

Re: Somewhat OT, encryption question

2014-11-26 Thread Robert Moskowitz
On 11/26/2014 04:58 PM, Bill Oliver wrote: On Wed, 26 Nov 2014, Joe Zeff wrote: On 11/26/2014 12:47 PM, Bill Oliver wrote: Now let's say that flash drive is stolen, lost, etc. *and* the passphrase is compromised. I want the data on the flash drive to be available *only on one computer* ev

Re: Somewhat OT, encryption question

2014-11-26 Thread Joe Zeff
On 11/26/2014 01:58 PM, Bill Oliver wrote: Then I'd rely on decrypted backups, which are stored under physical lock and key. Or, if necessary, I'd simply go back to the client and get the data again. I do that a lot with paper files, since I burn them when my consultation is finished. Occasiona

Re: Somewhat OT, encryption question

2014-11-26 Thread Bill Oliver
On Wed, 26 Nov 2014, Joe Zeff wrote: On 11/26/2014 12:47 PM, Bill Oliver wrote: Now let's say that flash drive is stolen, lost, etc. *and* the passphrase is compromised. I want the data on the flash drive to be available *only on one computer* even if the passphrase is known. What happens

Re: Somewhat OT, encryption question

2014-11-26 Thread Joe Zeff
On 11/26/2014 12:47 PM, Bill Oliver wrote: Now let's say that flash drive is stolen, lost, etc. *and* the passphrase is compromised. I want the data on the flash drive to be available *only on one computer* even if the passphrase is known. What happens when (not if) some piece of hardware dies

Re: Somewhat OT, encryption question

2014-11-26 Thread Joe Zeff
On 11/26/2014 12:43 PM, Bill Oliver wrote: How do you mean "incorporate?" So you simply mean store a long passphrase on the flash drive? No, you store part of the passphrase on the flash drive and the other part in your brain. -- users mailing list users@lists.fedoraproject.org To unsubscrib

Re: Somewhat OT, encryption question

2014-11-26 Thread Bill Oliver
On Wed, 26 Nov 2014, Bill Oliver wrote: On Wed, 26 Nov 2014, Bruno Wolff III wrote: On Wed, Nov 26, 2014 at 17:39:34 +, Bill Oliver wrote: > > For the HP issue, the fix is easy -- you just delete the command to > check during boot up. But, I was thinking about this as an encryptio

Re: Somewhat OT, encryption question

2014-11-26 Thread Bill Oliver
How do you mean "incorporate?" So you simply mean store a long passphrase on the flash drive? billo On Wed, 26 Nov 2014, jd1008 wrote: That is quite easy. Get a small thumb drive which are now almost free. Put on it some random data (be sure that data is not also on your HD). So, when you

Re: Somewhat OT, encryption question

2014-11-26 Thread Bill Oliver
On Wed, 26 Nov 2014, Bruno Wolff III wrote: On Wed, Nov 26, 2014 at 17:39:34 +, Bill Oliver wrote: For the HP issue, the fix is easy -- you just delete the command to check during boot up. But, I was thinking about this as an encryption option -- where one could encrypt files in a way

Re: Somewhat OT, encryption question

2014-11-26 Thread Bruno Wolff III
On Wed, Nov 26, 2014 at 17:39:34 +, Bill Oliver wrote: For the HP issue, the fix is easy -- you just delete the command to check during boot up. But, I was thinking about this as an encryption option -- where one could encrypt files in a way that automatically incorporates hardware inf

Re: Somewhat OT, encryption question

2014-11-26 Thread jd1008
That is quite easy. Get a small thumb drive which are now almost free. Put on it some random data (be sure that data is not also on your HD). So, when you encrypt, you incorporate that data into the encrypted file(s), then remove the thumb drive. On 11/26/2014 10:39 AM, Bill Oliver wrote: I w

Somewhat OT, encryption question

2014-11-26 Thread Bill Oliver
I was thinking about the infamous "code purple error" for HP computers, where Windows is keyed to the hardware of the machine. If you swap out a hard drive or change a card, it won't boot. Apparently, there is a "tattoo" of various hardware identifiers in static memory somewhere and the OS m