Re: Had an idea - looking for a math buff to tell me if it's possible with today's technology.

[Philip Dorr <tagno25 () gmail com>]

On Wed, May 18, 2011 at 3:33 PM, Christopher Morrow
<morrowc.lists () gmail com> wrote:
> On Wed, May 18, 2011 at 4:18 PM, Michael Holstein
> <michael.holstein () csuohio edu> wrote:
> > > Just a weird idea I had.  If it's a good idea then please consider this
> > > intellectual property.
> >
> > It's easy .. the zeros are fatter than the ones.
>
> no no no.. it's simply, since the OP posited a math solution, md5.
> ship the size of file + hash, compute file on the other side. All
> files can be moved anywhere regardless of the size of the file in a
> single packet.
>
>
> The solution is left as an exercise for the reader.

You would need a lot of computing power to generate a file of any
decent size.  If you want to be evil then you could send just a md5
hash and a sha512 hash (or some other hash that would not have a
collision at the same time except when correct)