On Wed, May 18, 2011 at 3:33 PM, Christopher Morrow <morrowc.li...@gmail.com> wrote: > On Wed, May 18, 2011 at 4:18 PM, Michael Holstein > <michael.holst...@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)
