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Security & Privacy

The most popular blog posts about security & privacy on Hacker News. 431 posts.

2013
338

Insecurities in the Linux /dev/random

New paper: “Security Analysis of Pseudo-Random Number Generators with Input: /dev/random is not Robust, by Yevgeniy Dodis, David Pointcheval, Sylvain Ruhault, Damien Vergnaud, and Daniel Wichs. Abstract: A pseudo-random number generator (PRNG) is a deterministic algorithm that produces numbers whose distribution is…

351

Time-lock encryption

How do you encrypt a file such that it can be decrypted after a date, but not before? Use serial computations for proof-of-work using successive squaring, chained hashes, or witness encryption on blockchains.

352

Who Does Skype Let Spy?

Lately I’ve been thinking a lot about power and the Internet, and what I call the feudal model of IT security that is becoming more and more pervasive. Basically, between cloud services and locked-down end-user devices, we have less control and visibility over our security—and have no point but to trust those in power…

358

Bypassing Gogo’s Inflight Internet Authentication

Two weeks ago I attended SIGCSE 2012 in Raleigh, NC. The plane on my return flight had Internet access through Gogo’s Inflight Internet. While I think it’s incredibly awesome that Internet access is readily available to those who travel by plane, I personally feel it is not worth …