[Cryptography] Explaining PK to grandma
dan at geer.org
dan at geer.org
Sat Nov 30 22:14:13 EST 2013
"James A. Donald" writes:
| On 2013-11-28 07:39, Phillip Hallam-Baker wrote:
| > The NSA can't compromise every endpoint without being noticed.
|
| For defending against NSA, we don't really have to prevent active
| attacks. We merely have to make it reasonably feasible for the
| seriously sophisticated paranoid to have a chance of detecting active
| attacks.
|
| If very powerful adversary gets observed observing, it loses, since the
| information is valuable to its adversaries.
|
| The guy in Nigeria, on the other hand, will have no hesitation in
| committing active attacks and will not much worry even if a very large
| proportion of them get detected.
+1
Absolutely correct.
--dan
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