Re: Somewhat OT, encryption question

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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 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 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 matches a code put in during installation with that number.

 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 information with the passphrase.  That way, if someone were to
 intercept a file and knew your passphrase, they would still not be able to
 decrypt the file unless they did it on one specific machine.

 Is there anything like that for fedora?  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 if there's something already around,
 I'd like to play with it...

 billo


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