[Ffmpeg-devel] SVN challenge response authentication weaknesses

[Uoti Urpala]

On Mon, 2006-05-29 at 17:19 +0200, Michael Niedermayer wrote:
> > Your new system doesn't have any redundancy in the data stream and so
> > cannot detect modifications. It might be hard to change a block to a
> 
> you could add a checksum to each messages (not packet) to protect against
> that ...

Yes, and then you could just use a secure HMAC for the checksum and skip
the custom encryption if you don't care about secrecy.