Re: [Sks-devel] Oh, Jeeez...!

[Pascal Levasseur]

The administrators of the SKS servers should be able to choose the level
of complexity of the proof of work using a parameter in the SKS server
configuration file.

Using this parameter they could adjust the complexity of the proof of work :

- to the inevitable increase of performance of CPU/GPU,

- to quickly react by increasing complexity if SKS servers are under
"attack".

Pascal

Le 25/05/2016 18:31, Christian Felsing a écrit :
> Am 25.05.2016 um 18:13 schrieb Valentin Sundermann:
>> Hi,
>>> Can we add a proof of work mechanism to make adding a key to the server
>>> more "costly" ?.
> 
> 
> Let client solve a simple integer factorization of a random number given
> by server with e.g. 64bit build from two prime numbers. Client has to
> find those prime numbers. Until "Can integer factorization be done in
> polynomial time?" is answered with "yes" this can be seen as a "hard
> problem" so even quite powerful cpus will need a few seconds to solve that.
> 
> Christian
> 
> 
> 
> 
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