ecryptfs and password
Bill Davidsen
davidsen at tmr.com
Tue May 24 15:01:19 UTC 2011
James McKenzie wrote:
> On 5/7/11 12:54 PM, Bill Davidsen wrote:
>> James McKenzie wrote:
>>> On 5/1/11 5:18 PM, Bill Davidsen wrote:
>>>> Gregory Hosler wrote:
>>>>> -----BEGIN PGP SIGNED MESSAGE-----
>>>>> Hash: SHA1
>>>>>
>>>>> On 04/25/2011 09:48 AM, Digimer wrote:
>>>>>> On 04/24/2011 09:46 PM, ssc1478 wrote:
>>>>>>> Hi,
>>>>>>>
>>>>>>> I'm new to Fedora - been using Ubuntu for years. I just installed
>>>>>>> Fedora 14 to my laptop and selected to encrypt /home.
>>>>>>>
>>>>>>> When I boot, I have to enter the password for the encrypted directory.
>>>>>>> Did I set it up wrong? I didn't expect to have to enter the password
>>>>>>> at boot but instead thought the login password would be enough.
>>>>>>>
>>>>>>> Thanks!
>>>>>>>
>>>>>>> Phil
>>>>>> It encrypts the partition, so when the system tries to mount /etc/fstab
>>>>>> partitions, of which /home is likely one, it requires the password then.
>>>>> alternately, you can setup /etc/crypttab so that the password is not entered
>>>>> manually.
>>>>>
>>>> This adds no security at all from the encryption. The only reason to use
>>>> encryption and then build in the pass phrase is to allow you to claim that the
>>>> data was encrypted if you lose the machine, therefore giving you legal cover if
>>>> the data you lost belongs to customers. I can't decide if that's a sleazy legal
>>>> trick to provide cover without the effort to have security, or if it just shows
>>>> how little the average user knows about security in the first place.
>>> False security is worse than no security at all. Never store a
>>> passphrase on a readable device. It should be stored in the brain, just
>>> like passwords and such. BTW, this would never pass a security
>>> inspection at any of the places I've worked at.
>>>
>> It satisfies legal requirements to encrypt sensitive data which is all the bean
>> counters and lawyers care about. They are not required to actually protect your
>> information. :-(
>>
> Not in the EU. There are legal requirements to safeguard information,
> to include encryption of 'data at rest' and 'data in transit'. Same for
> HIPPA and in the PCI world. This has gotten several companies in trouble.
>
That's my point, encryption is required, keeping the key safe may not be spelled
out in the law.
--
Bill Davidsen <davidsen at tmr.com>
"We have more to fear from the bungling of the incompetent than from
the machinations of the wicked." - from Slashdot
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