maradydd: (money)
maradydd ([personal profile] maradydd) wrote2010-01-26 11:22 pm
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YHBW.

Observation just now from Radu Sion during the FC rump session: in the cloud, it costs about $5 million to brute-force 64 bits of symmetric key.

[identity profile] maradydd.livejournal.com 2010-01-29 06:51 am (UTC)(link)
Yeah, he started by figuring out what a cycle costs in picocents in various environments. The cloud is far cheaper than desktops or even in-house server installations due to economies of scale -- it turns out that once you get above a certain size, power consumption outpaces the cost of support, which is traditionally the limiting factor.