Re: IPG Algorith Broken!

[ichudov@algebra.com (Igor Chudov @ home)]

Black Unicorn wrote:
> On Sat, 23 Nov 1996, Eric Murray wrote:
> > John Anonymous MacDonald writes:
> > > 
> > > 
> > > At 8:09 AM 11/23/1996, Eric Murray wrote:
> > > >No, you can't.  It's impossible to prove an algorithim unbreakable.
> > > 
> > > No?  Please prove your assertion.
> > 
> > You can't prove a negative.  The best IPG could say is that
> > it can't be broken with current technology.
> > Next week someone might come up with a new way
> > to break ciphers that renders the IPG algorithim breakable.
> 
> Someone needs to write an IPG and Don Wood FAQ.  No, I'm not volunteering.

As a crypto amateur, I would appreciate a good technical explanation as
to why IPG's algorithm cannot be considered secure.

Thank you.

	- Igor.