Christian Huitema <huit...@microsoft.com> 写于 2013-03-25 12:33:40:
> > What is the pointing of adding sec since the ratio of effor > required by attacker and user is always 2^59, as Jari argued. > > 2^59 is a rather large number. Everything else being equal, another > 1 second of computation at the user translates into another 18 > billion years at the attacker. Agree. How about 2^56? My question is since CGA has 2^59 as a security guarantee, why bother increase sec? > > -- Christian Huitema > > >
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