Re: [GIT PULL] Load keys from signed PE binaries

Matthew Garrett
2013-02-25T15:42:42Z

On Mon, Feb 25, 2013 at 03:33:12PM +0100, Florian Weimer wrote:
> * Matthew Garrett:
>
> > I don't think that's a problem. Just put the original binary hash in the
> > certificate before signing it, and extend the X.509 parser to refuse
> > certificates that have a tag that's present in dbx.
>
> Why would Microsoft put a hash of something into dbx which they
> haven't signed? Wouldn't this make them subject to a
> denial-of-service attack on their platform if they revoke something
> with surprising consequences?

? The entire point is that the key is in a binary that Microsoft have
signed.

--
Matthew Garrett | mjg59@srcf.ucam.org