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No, RSA Is Not Broken

I have been seeing this paper by cryptographer Peter Schnorr making the rounds: “Fast Factoring Integers by SVP Algorithms.” It describes a new factoring method, and its abstract ends with the provocative sentence: “This destroys…

US Cyber Command Valentine’s Day Cryptography Puzzles

The US Cyber Command has released a series of ten Valentine’s Day “Cryptography Challenge Puzzles.” Slashdot thread. Reddit thread. (And here’s the archived link, in case Cyber Command takes the page down.)Read more: schneier.com

Indistinguishability Obfuscation

Quanta magazine recently published a breathless article on indistinguishability obfuscation — calling it the “‘crown jewel’ of cryptography” — and saying that it had finally been achieved, based on a recently published paper. I want…

Seny Kamara on "Crypto for the People"

Seny Kamara gave an excellent keynote talk this year at the (online) CRYPTO Conference. He talked about solving real-world crypto problems for marginalized communities around the world, instead of crypto problems for governments and corporations.…

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Seny Kamara on “Crypto for the People”

Seny Kamara gave an excellent keynote talk this year at the (online) CRYPTO Conference. He talked about solving real-world crypto problems for marginalized communities around the world, instead of crypto problems for governments and corporations.…

DiceKeys

DiceKeys is a physical mechanism for creating and storing a 192-bit key. The idea is that you roll a special set of twenty-five dice, put them into a plastic jig, and then use an app…