Pure Python Data Mangling or Encrypting

Billy Earney billy.earney at gmail.com
Wed Jun 24 18:37:54 EDT 2015


Freenet seems to come to mind.. :)

On Wed, Jun 24, 2015 at 4:24 PM, Grant Edwards <invalid at invalid.invalid>
wrote:

> On 2015-06-24, Randall Smith <randall at tnr.cc> wrote:
> > On 06/24/2015 01:29 PM, Grant Edwards wrote:
> >> On 2015-06-24, Randall Smith <randall at tnr.cc> wrote:
> >>> On 06/24/2015 06:36 AM, Steven D'Aprano wrote:
> >>>
> >>>> I don't understand how mangling the data is supposed to protect the
> >>>> recipient. Don't they have the ability unmangle the data, and thus
> >>>> expose themselves to whatever nasties are in the files?
> >>>
> >>> They never look at the data and wouldn't care to unmangle it.
> >>
> >> I obviously don't "get it". If the recipient is never going look at
> >> the data or unmangle it, why not convert every received file to a
> >> single null byte?  That way you save on disk space as well --
> >> especially if you just create links for all files after the initial
> >> one.  ;)
> >
> > These are machines storing chunks of other people's data.  The data
> > owner chunks a file, compresses and encrypts it, then sends it to
> > several storage servers.  The storage server might be a Raspberry PI
> > with a USB disk or a Windows XP machine - I can't know which.
>
> OK.  But if the recipient (the server) mangles the data and then never
> unmangles or reads the data, there doesn't seem to be any point in
> storing it.  I must be misunderstanding your statement that the data
> is never read/unmangled.
>
> --
> Grant Edwards               grant.b.edwards        Yow! A can of ASPARAGUS,
>                                   at               73 pigeons, some LIVE
> ammo,
>                               gmail.com            and a FROZEN DAQUIRI!!
> --
> https://mail.python.org/mailman/listinfo/python-list
>
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