Somewhat OT, encryption question

Bill Oliver vendor at
Wed Nov 26 20:43:46 UTC 2014

How do you mean "incorporate?"  So you simply mean store a long passphrase on the flash drive?


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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