Re: Barcode Email

From: Ari Silversteinn (abcarisilverstein_at_yahoo.comxyz)
Date: 07/30/05 

Date: Fri, 29 Jul 2005 18:51:18 -0400

On 29 Jul 2005 06:53:46 GMT, Juergen Nieveler wrote:

> Ari Silversteinn <abcarisilverstein@yahoo.comxyz> wrote:
>
>> Think outside your QWERTY keyboard.
>
> A byte is still a byte. And even if you used unicode, a simple
> substituion stays a simple substitution.
>
>> There you go, know one knows the right method. We counted on that from
>> the get-go and why is that? Because of it's sheer unorthodoxy in
>> substitution methodology, that's what made it work.
>
> You cannot decypher something that was enciphered by adding totally
> random values unless you know what those totally random values were.
> So either you have to use OTP, or you have to use a pseudo-random
> system that provided predictable numbers.
>
>> Or you can create a system so bizarre that few will ever think of it.
>
> ...but that will turn out to be just a variant of an old system with
> some flashy new things attached to make it look better.
>
> People have tried subtitution with strange-looking symbols centuries
> ago - Porta, for example. Still, the underlying system works just the
> same as with normal letters. Indeed, a message encyphered by a
> Porta-table can be cracked easily by substituting each symbol with a
> normal letter and then cracking it as if it was a mere Caesar-cipher.
>
> Juergen Nieveler

That's the point, it's a system yet to be attempted, for the best we know,
and substitution is the best term that partly describes it. 

-- 
Drop the alphabet for email

Relevant Pages

  • Re: Barcode Email
    ... On 27 Jul 2005 15:00:00 GMT, Juergen Nieveler wrote: ... >> Juergen, how do you know, I haven't revealed the substitution routine, ... It's a symmetrical substitution without any keys. ... > Your system would only create a false sense of security for the user, ...
    (comp.security.misc)
  • Re: Barcode Email
    ... On 27 Jul 2005 15:00:00 GMT, Juergen Nieveler wrote: ... >> Juergen, how do you know, I haven't revealed the substitution routine, ... It's a symmetrical substitution without any keys. ... > Your system would only create a false sense of security for the user, ...
    (sci.crypt)
  • Re: Barcode Email
    ... On 29 Jul 2005 06:53:46 GMT, Juergen Nieveler wrote: ... >> substitution methodology, ... > People have tried subtitution with strange-looking symbols centuries ... > same as with normal letters. ...
    (comp.security.misc)
  • Re: Barcode Email
    ... On 27 Jul 2005 19:51:35 GMT, Juergen Nieveler wrote: ... >> and randomly generated over millions of characters most of which you ... >> How's your hieroglyphics? ... > And if your substitution would be truly random when encrypting, ...
    (comp.security.misc)
  • Re: Barcode Email
    ... On 27 Jul 2005 19:51:35 GMT, Juergen Nieveler wrote: ... >> and randomly generated over millions of characters most of which you ... >> How's your hieroglyphics? ... > And if your substitution would be truly random when encrypting, ...
    (sci.crypt)