On Mon, 30 Jul 2007 16:44:55 GMT, Colin B. wrote:

> mehul.dave@gmail.com wrote:
>> Hi All,
>>
>> We are writing one Shredder which will shredd all unwanted info on
>> users request.
>>
>> I am in search of tool which tests that the shredder has done the
>> intended job sucessfully.
>>
>> Basicall, i am in search of a tool which confirms that "if a user has
>> shredded all files and folders" then all files and folders are really
>> deleted from system.
>>
>> Can someone recommend me any such tool or technique?
>
> Forgive me if I misunderstand, but you're writing this shredder, and you
> don't know how to tell if a file has been completely deleted?
>
> Scary.

Relevant point.

Poster: You have to define your potential adversary.
--
"You can't trust code that you did not totally create yourself"
Ken Thompson "Reflections on Trusting Trust"
http://www.acm.org/classics/sep95/