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Re: [tlug] Good Overview Of What Is Still Secure?
- Date: Thu, 12 Sep 2013 10:03:47 +0900
- From: "Stephen J. Turnbull" <email@example.com>
- Subject: Re: [tlug] Good Overview Of What Is Still Secure?
- References: <522D26F5.firstname.lastname@example.org> <email@example.com>
firstname.lastname@example.org writes: > 2) There is a big difference between their theoretical capabilities, > under "lab conditions" so to speak and their "real world success > stories". Well, actually there's three cases: theoretical possibilities based on detected regularities discussed in the math journals, there's the published successful attacks on specific examples by academics ("lab conditions"), and then there's what security agencies with billion-dollar budgets for crypto can do. (I think "billion" is perhaps a slight exaggeration, but it's less than two orders of magnitude since Prism already costs 20 million dollars annually.) You should also remember that we know a lot about scaling up software; it's quite a different matter from scaling up a petroleum cracker. A successful attack by a team with a million-dollar budget can be replicated at low cost thereafter. I think we should assume that the "production capabilities" are quite high. Also, while the cryptanalysis teams would like to be able to read everybody's mail in clear, you should remember that from our point of view crypto is just one prong of a very wide-ranging signals intelligence effort. "Locks only keep out honest people; at most they slow down the criminals enough to make them try another victim."
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