On Friday, December 19, 2014 5:15:24 PM UTC-5, Bruce wrote:
> On Friday, December 19, 2014 7:40:46 AM UTC-5, Erwann Abalea wrote:
> 
> > So far, Entrust is the last of the big CAs who still uses sequential serial 
> > numbers when CABF BR and Mozilla Policy impose at least 20 bits of entropy 
> > (Microsoft requires at least 64 bits).
> Entrust is in process of switching all CAs to use serial numbers with at 
> least 20 bits of entropy. We will se this implemented in 2015. In the 
> interim, Entrust has implemented entropy in the validity fields to mitigate a 
> SHA-1 collision attack. 
> 
> Bruce.

Please note that our serial number implementation will meet the Microsoft 
requirement of at least 64 bits.
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