Re: PPTP and encryption / RC4 weaknesses
On Mon, Mar 04, 2002 at 03:20:44PM +0100, Christoph Moench-Tegeder wrote:
thanks, this confirm me that i really have to avoid it ;)
cheers,
JeF
> ## Jean-Francois Dive (jef@linuxbe.org):
>
> > I was wondering: PPTP use RC4 up to 128 bit keys as an encryption mechanism. I'd like
> > to have the impressions from people of the list about the cryptographic strenght of
> > such algorithm, especially now that wireless WEP RC4 based encryption have been broken.
>
> PPTP can easily be broken if MS-CHAPv2 is used:
> http://mopo.informatik.uni-freiburg.de/pptp_mschapv2/
>
> Regards,
> cmt
>
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--
-> Jean-Francois Dive
--> jef@linuxbe.org
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