Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > comp.lang.python > #93104
| From | Grant Edwards <invalid@invalid.invalid> |
|---|---|
| Newsgroups | comp.lang.python |
| Subject | Re: Pure Python Data Mangling or Encrypting |
| Date | 2015-06-24 21:24 +0000 |
| Organization | PANIX Public Access Internet and UNIX, NYC |
| Message-ID | <mmf76l$qg9$1@reader1.panix.com> (permalink) |
| References | <mailman.10.1435130890.3674.python-list@python.org> <558a9649$0$1675$c3e8da3$5496439d@news.astraweb.com> <mailman.25.1435170024.3674.python-list@python.org> <mmesv6$8a8$3@reader1.panix.com> <mailman.32.1435172453.3674.python-list@python.org> |
On 2015-06-24, Randall Smith <randall@tnr.cc> wrote:
> On 06/24/2015 01:29 PM, Grant Edwards wrote:
>> On 2015-06-24, Randall Smith <randall@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!!
Back to comp.lang.python | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
Pure Python Data Mangling or Encrypting Randall Smith <randall@tnr.cc> - 2015-06-23 14:02 -0500
Re: Pure Python Data Mangling or Encrypting Steven D'Aprano <steve@pearwood.info> - 2015-06-24 21:36 +1000
Re: Pure Python Data Mangling or Encrypting Grant Edwards <invalid@invalid.invalid> - 2015-06-24 14:02 +0000
Re: Pure Python Data Mangling or Encrypting Emile van Sebille <emile@fenx.com> - 2015-06-24 08:52 -0700
Re: Pure Python Data Mangling or Encrypting Grant Edwards <invalid@invalid.invalid> - 2015-06-24 16:16 +0000
Re: Pure Python Data Mangling or Encrypting Chris Angelico <rosuav@gmail.com> - 2015-06-25 02:23 +1000
Re: Pure Python Data Mangling or Encrypting Grant Edwards <invalid@invalid.invalid> - 2015-06-24 18:23 +0000
Re: Pure Python Data Mangling or Encrypting Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2015-06-24 21:24 -0400
Re: Pure Python Data Mangling or Encrypting Chris Angelico <rosuav@gmail.com> - 2015-06-25 01:55 +1000
Re: Pure Python Data Mangling or Encrypting Emile van Sebille <emile@fenx.com> - 2015-06-24 09:09 -0700
Re: Pure Python Data Mangling or Encrypting Randall Smith <randall@tnr.cc> - 2015-06-24 13:20 -0500
Re: Pure Python Data Mangling or Encrypting Grant Edwards <invalid@invalid.invalid> - 2015-06-24 18:29 +0000
Re: Pure Python Data Mangling or Encrypting Randall Smith <randall@tnr.cc> - 2015-06-24 14:00 -0500
Re: Pure Python Data Mangling or Encrypting Grant Edwards <invalid@invalid.invalid> - 2015-06-24 21:24 +0000
Re: Pure Python Data Mangling or Encrypting Randall Smith <randall@tnr.cc> - 2015-06-24 18:13 -0500
Re: Pure Python Data Mangling or Encrypting Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2015-06-24 21:33 -0400
Re: Pure Python Data Mangling or Encrypting Randall Smith <randall@tnr.cc> - 2015-06-25 14:41 -0500
csiph-web