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From Branko ─îibej <>
Subject Re: Master passphrase approach, authn storage, cobwebs in C-Mike's head, ...
Date Fri, 06 Apr 2012 17:28:19 GMT
On 06.04.2012 17:07, C. Michael Pilato wrote:
> On 04/06/2012 11:02 AM, Branko ─îibej wrote:
>>> *sigh*  I hadn't considered stale, compromised data not yet purged or
>>> overwritten.  Does SQLite's VACUUM statement help with this problem?
>> Vacuum will reorder the pages in the file to fill holes, but will then
>> truncate the database file without first overwriting it with random
>> crud. So, no, that's not good enough.
> Hrm.  Given the statements that the "VACUUM command rebuilds the entire
> database" and that the "VACUUM command works by copying the contents of the
> database into a temporary database file and then overwriting the original
> with the contents of the temporary file", I would have expected better.

That's actually even worse, "overwriting the original" most likely means
it does a FS-level rename, this leaving the /entire/ contents of the
original file on disk. :)

-- Brane

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