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Re: PKI example - point me in the right direction

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From	"David E. Ross" <nobody@nowhere.invalid>
Newsgroups	comp.security.pgp.tech, comp.security.pgp.discuss
Subject	Re: PKI example - point me in the right direction
Date	Sat, 12 Apr 2014 22:50:21 -0700
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On 4/12/2014 6:45 PM, Use-Author-Supplied-Address-Header@[127.1] wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> I'm giving a talk that has a section on PKI -- what it is, a bit on
> how it works, how strong it is, and why everybody should be using
> it every day.  One of the things I want to do is a little simple
> demonstration of how the math works.  I know it relies on operators
> that can't be done backwards but those are complex operators.
> However, other than using the modulus operator as an example of non-
> reversible math and then saying "it's a little more drawn-out than
> that" I'd like to generate a pair of keys and encrypt simple text
> (cf. http://content.hccfl.edu/pollock/AUnixSec/PublicKeyDemo.htm)
> even if its not with a good implementation of PKI.
> 
> The problme is that everywhere I go I keep running into advanced
> math like Euler's totient and the psi function; and thats where the
> math get's WAY above the level of my audience.  I want to go a
> little past the Alice and Bob conversation and actualy show how two
> prime factors are related without needing a degree to discuss it
> let alone get the gist of it.
> 
> Any ideas?
> 
> Thank you,
> 

See my <http://www.rossde.com/PGP/index.html> and the links to my
subsidiary Web pages.  You might also look at the external Web pages
that I cite.

Note that my Web pages are copyrighted.  Please give proper attribution
to my work in your talk and do not publish -- electronically or
hard-copy -- without checking back with me beforehand.

-- 
David E. Ross

The Crimea is Putin's Sudetenland.
The Ukraine will be Putin's Czechoslovakia.
See <http://www.rossde.com/editorials/edtl_PutinUkraine.html>.

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PKI example - point me in the right direction <Use-Author-Supplied-Address-Header@[127.1]> - 2014-04-13 01:45 +0000
  Re: PKI example - point me in the right direction "David E. Ross" <nobody@nowhere.invalid> - 2014-04-12 22:50 -0700
    Re: PKI example - point me in the right direction <Use-Author-Supplied-Address-Header@[127.1]> - 2014-04-14 01:47 +0000

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