Of course not.  I'm implying that the level of security in a short-lived cert 
is at least equal to any other certificate with a longer life cycle.  I'd argue 
that the security is perhaps better since revocation happens automatically by 
the certificate's expiration without the need to push a CRL or provide OCSP. 

Jeremy

-----Original Message-----
From: dev-security-policy 
[mailto:dev-security-policy-bounces+jeremy.rowley=digicert....@lists.mozilla.org]
 On Behalf Of David E. Ross
Sent: Thursday, September 4, 2014 12:44 PM
To: mozilla-dev-security-pol...@lists.mozilla.org
Subject: Re: Short-lived certs

On 9/4/2014 10:44 AM, Jeremy Rowley wrote:
> 
> They aren't subject to less stringent security in issuing the 
> certificate.  The benefit is that the certificate doesn't include 
> revocation information (smaller size) and doesn't need to check 
> revocation status (faster handshake). The issuance of the certificate 
> still must meet all of the Mozilla root store requirements.
> > Jeremy
> 

Are you suggesting that NO certificate authority applying stringent procedures 
has ever signed a subscriber certificate for someone who intended to use it for 
malevolent purposes?

> -----Original Message-----
> From: dev-security-policy 
> [mailto:dev-security-policy-bounces+jeremy.rowley=digicert.com@lists.m
> ozilla.org] On Behalf Of David E. Ross
> Sent: Thursday, September 4, 2014 11:36 AM
> To: mozilla-dev-security-pol...@lists.mozilla.org
> Subject: Re: Short-lived certs
> 
> On 9/4/2014 3:21 AM, Gervase Markham wrote [in part]:
>> How should we approach the issue of short-lived certs? 
> 
> Spammers change their E-mail addresses quite frequently, using the 
> same address for only a day or two.  Hackers also frequently change 
> their "residence" so as to prevent tracing them.  The same is true of 
> distributors of malware.
> 
> If short-lived certificates are subjected to less stringent security 
> by client applications, I would fear that they would become hacker and 
> malware tools.
> 

--
David E. Ross

The Crimea is Putin's Sudetenland.
The Ukraine will be Putin's Czechoslovakia.
See <http://www.rossde.com/editorials/edtl_PutinUkraine.html>.
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