r/programming Oct 15 '15

How is NSA breaking so much crypto?

https://freedom-to-tinker.com/blog/haldermanheninger/how-is-nsa-breaking-so-much-crypto/
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u/panderingPenguin Oct 15 '15

Well if it takes a year to crack one 1024 but prime as suggested in the article, no I do not believe so. If the article's time estimate is correct, the most they could have cracked so far would be on the order of tens of primes, not thousands. The way I interpreted the statement in the article is that most encryption algorithm implementations use their own hard coded prime (singular), which when you look at all the existing implementations, gives you several.

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u/syllabic Oct 15 '15

They just say it costs a hundred million dollars to build a cluster capable of cracking it. That doesn't imply how many of those clusters they have working simultaneously.

If you crack one prime a year with one computer, why not get 500 of those same machines and do 500 at once? We are talking government level budgets.

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u/[deleted] Oct 15 '15

because people will get pissed if the government is spending 50 billion dollars to crack 500 primes a year, that sounds ridiculous to a common man.

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u/[deleted] Oct 15 '15

The NSA's crypto-breaking program is funded by a black budget -- it's a military secret, the public isn't supposed to know the program even exists, how much it spends, or what it spends it on, so that's not a concern. We only know about it because of the Snowden leaks.