[cryptography] "stream MAC" - does anything like it exist?

Ian G iang at iang.org
Fri Sep 17 08:35:17 EDT 2010

On 17/09/10 4:38 AM, travis+ml-rbcryptography at subspacefield.org wrote:
> Regarding strong authentication...
> I wonder whether cryptographers couldn't preempt the oncoming strong
> authentication requirements by implementing practical zero-knowledge
> systems that allow the user to choose from multiple identities by
> which to authenticate, pay, etc.

It's not really a crypto problem, more a complicated applications and 
business problem.

> By developing such a system and getting it "out there", one could
> capture the market before less-desirable systems form.
> Perhaps EPIC, the EFF, or the ACLU could participate, or invest.

Lots have tried.  The last big effort was InfoCard by Microsoft.


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