Re: [patch 02/15] ppp_mppe: add PPP MPPE encryption module

akpm-3NddpPZAyC0@public.gmane.org wrote:

From: Matt Domsch <redacted>

The patch below implements the Microsoft Point-to-Point Encryption method
as a PPP compressor/decompressor.  This is necessary for Linux clients and
servers to interoperate with Microsoft Point-to-Point Tunneling Protocol
(PPTP) servers (either Microsoft PPTP servers or the poptop project) which
use MPPE to encrypt data when creating a VPN.

This patch differs from the kernel_ppp_mppe DKMS pacakge at
pptpclient.sourceforge.net by utilizing the kernel crypto routines rather
than providing its own SHA1 and arcfour implementations.

Minor changes to ppp_generic.c try to prevent a link from disabling
compression (in our case, the encryption) after it has started using
compression (encryption).

Feedback to [off-list ref] please.

Signed-off-by: Matt Domsch <redacted>
Cc: James Cameron <redacted>
Cc: "David S. Miller" <redacted>
Signed-off-by: Brice Goglin <redacted>
Signed-off-by: Andrew Morton <redacted>

I'll review this, but ppp stuff really needs to go Paul MacKerras...


	Jeff





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