no, it's at encyption above a baseline. assume mitm can't crack maximum
level,,but can crack baseline and above. if maximum can't be negotiated because
mitm prevents it , and less is settled for... well. may as well have fallen
back to clear.
Lloyd Wood
http://about.me/lloydwood
________________________________________
From: Nico Williams <nico(_at_)cryptonector(_dot_)com>
Sent: Friday, 22 August 2014 3:42:15 PM
To: Wood L Dr (Electronic Eng)
Cc: ietf(_at_)ietf(_dot_)org; saag(_at_)ietf(_dot_)org
Subject: Re: [saag] Adept Encryption: Was: DANE should be more prominent (Re:
Review of: Opportunistic Security -03 preview for comment)
On Fri, Aug 22, 2014 at 12:25 AM, <l(_dot_)wood(_at_)surrey(_dot_)ac(_dot_)uk>
wrote:
Okay, so with opportunistic security, all a man in the middle has to do is
block any communications he can't decrypt, and it automatically downgrades to
select something he can break?
Ah, there's the opportunity. Got it.
Eh? The idea is to be downgrade resistant.
Nico
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