[cryptography] What project would you finance? [WAS: Potential funding for crypto-related projects]

ianG iang at iang.org
Tue Jul 2 06:43:03 EDT 2013


On 2/07/13 13:25 PM, Adam Back wrote:
> I think it time to deprecate non-https (and non-forward secret
> ciphersuites.)  Compute power has moved on, session cacheing works,
> symmetric crypto is cheap.


Good point -- anything that contributes to the "HTTPS Everywhere" 
campaign is a good thing.  As an aside, this assists defence against a 
real enemy for everyone being phishing.

iang


> Btw did anyone get a handle on session resumption - does it provide forward
> secrecy (via k' = H(k)?).  Otherwise I saw concerns a disk stored, or long
> lived session resumption may itself start to become an exposure risk
> somewhat analogous to non-forward secret SSL.
>
> Adam
>
> On Tue, Jul 02, 2013 at 12:50:32PM +0300, ianG wrote:
>> BTNS (better than nothing security) for IPSec could save it.
>>
>> There is precedent:  the ideas behind SSH totally swept out
>> secure-telnet within a year or so.  Skype demolished other VoIP
>> providers, because its keys were hidden.  The same thing happened with
>> that email transport security system.
>>
>> In contrast, IPSec is a complete and utter deployment failure, and it
>> shares statistically unmeasurable rates of protection across the net.
>> It's near cousin, secure browsing at least achieved penetration rates
>> of around 1% if one counts the HTTPS v. HTTP ratio (what else
>> matters?). Both suffered in large part because they insisted on the
>> classical certificates / PKI schoolbook.
>>
>> So, if one is looking for a saviour, there is pretty good correlation
>> here.



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