Eric Rescorla wrote on 08 August 2008 16:06: > At Fri, 8 Aug 2008 11:50:59 +0100, > Ben Laurie wrote: >> However, since the CRLs will almost certainly not be checked, this >> means the site will still be vulnerable to attack for the lifetime of >> the certificate (and perhaps beyond, depending on user >> behaviour). Note that shutting down the site DOES NOT prevent the attack. >> >> Therefore mitigation falls to other parties. >> >> 1. Browsers must check CRLs by default. > > Isn't this a good argument for blacklisting the keys on the client > side? Isn't that exactly what "Browsers must check CRLs" means in this context anyway? What alternative client-side blacklisting mechanism do you suggest? cheers, DaveK -- Can't think of a witty .sigline today....