On Mon, Nov 03, 2003 at 12:30:32PM -0500, Nick Tarleton wrote:
> Why not periodically bring all the files in the DS up to date? Or to be even more 
> devious, periodically set them to random dates within the uptime of the node?

Becuase LRU is a basic part of the algorithm.
> 
> -----Original Message-----
> From: Tom Kaitchuck <[EMAIL PROTECTED]>
> Sent: Nov 2, 2003 11:54 PM
> To: [EMAIL PROTECTED]
> Subject: [freenet-dev] Analsis of contents of datastore.
> 
> One thing that recently occurred to me, that I had not previously seen 
> discussed here is that if someone were to analyze the contents of a data 
> store to try to determine if the owner of the store had requested a 
> particular file, one thing that might be particularly incriminating is the OS 
> storing the last accessed and last modified time stamps on the files. 
> 
> On the one hand it is easy to say that your node storing splitfile components 
> probabilisticly is not a problem, as they fall within your specialization and 
> so could easily have ended up there anyway. However the odds of them ending 
> up there all at around the same time is harder to refute. 
> 
> Also if the multi layer store, as discussed previously, was implemented the 
> same thing would apply. If the second data store were a single file, it 
> should write any of the 'last accessed' times to the disk. I know the 'I was 
> framed' defense would still work for the datastore, but we should make sure 
> that when nodes connect using premix routing that they stick with the same 
> node for a while, rather than just one per request or one per 
> splitfile/manifest request. This way large amounts of related data could be 
> placed there in a confined period of time as a result of normal network 
> operation, not just by someone out to get you.
> 
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-- 
Matthew J Toseland - [EMAIL PROTECTED]
Freenet Project Official Codemonkey - http://freenetproject.org/
ICTHUS - Nothing is impossible. Our Boss says so.

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