[Cisspstudy] Databases and cryptography

[Mike Archuleta]

I would think niether improve or reduce availability.  I don't think  
if crypto as an availability feature.

Sent from my iPhone

On Sep 19, 2009, at 5:06 PM, Andrea Gatta <andrea.gatta at gmail.com>  
wrote:

> Hi there,
> I am wondering if anyone could shed a light on the following  
> question (and answer):
>
> In terms of databases, cryptography can:
>
> - only restrict and reduce availability
>
> - improve availability by allowing data to be easily placed where  
> authorized users can access it
>
> - improve availability by increasing the granularity of the access  
> controls
>
> - neither reduce or improve availability
>
>
> As far as the author of the question is concerned the correct answer  
> is: "improve availability by allowing data to be easily placed where  
> authorized users can access it"
>
> The only reason I can think of for the answer to have a sense is  
> that cryptography protects a resource from unauthorized users access  
> through the mean of concealing its content.
>
> With a very long shot one could say that the resource would be  
> "available" just to authorizaed users. Which means that this  
> question uses "availability" in a very extensive - and I would add  
> divious - way.
>
> As far as I am concerned encryption does provide confidentiality and  
> integrity as natural security services.
>
> Thoughts ?
>
> Thanks
> Andrea
> _______________________________________________
> cisspstudy mailing list
> cisspstudy at cccure.org
> http://cccure.org/mailman/listinfo/cisspstudy_cccure.org