[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Internet Privacy Guaranteed ad (POTP Jr.)
Yes, in trying to answer all the questions you that were posed, we made
that mistake, obviously it was a typo - unlike so many of you, we are not
perfect - the 10 to the 1000 is correct though
On Wed, 21 Feb 1996, Clay Olbon II wrote:
> At 10:08 PM 2/20/96, IPG Sales wrote:
>
> >Unlike Mr. Silvernail, we have a much simplier definition of what we mean
> >by a one time pad - given a message/file of length N, where N is a finite
> >practical number say less than 10 to the 1000th power, that the encrypted
> >ciphertext can be any of the N to the 256th power possibile clear/plain
> >text messages/files. To prove that the IPG system does not work, all you
> >have to do is to prove that is not the case - that our system, without
> >artifically imposed boundary conditions will generate a subset of those
> >possibilities - that is simple and strsight forward - not
> >hyperbole but action - everyone stated how simple it was to break the system,
> >now everyone is back paddling aa fast as they can, like Mr. Metzger and
> >some of the other big bad cyphermouths.
>
> PROOF:
>
> Given that N is the length of the message in bits. The number of
> possible combinations of bits is 2^N. For any message length N > 1,
> 2^N < N^256. Simple example. Message length is 3 bits. The maximum
> number of possible combinations of these bits is 8. This is far less than
> 3^256 (which is more than 10^100, i.e. it overflows the calculator on my
> Mac). Sorry guys. Try learning some simple math before you try and sell
> crypto.
>
> Clay
>
> ---------------------------------------------------------------------------
> Clay Olbon II | [email protected]
> Systems Engineer | ph: (810) 589-9930 fax 9934
> Dynetics, Inc., Ste 302 | http://www.msen.com/~olbon/olbon.html
> 550 Stephenson Hwy | PGP262 public key: finger [email protected]
> Troy, MI 48083-1109 | pgp print: B97397AD50233C77523FD058BD1BB7C0
> "To escape the evil curse, you must quote a bible verse; thou
> shalt not ... Doooh" - Homer (Simpson, not the other one)
> ---------------------------------------------------------------------------
>
>
>