29 Sep '15, 2pm

Quantum Computing Kills Encryption

Quantum Computing Kills Encryption

Imagine a world where the most widely-used cryptographic methods turn out to be broken: quantum computers allow encrypted Internet data transactions to become readable by anyone who happened to be listening. No more HTTPS, no more PGP. It sounds a little bit sci-fi, but that’s exactly the scenario that cryptographers interested in post-quantum crypto are working to save us from. And although the (potential) threat of quantum computing to cryptography is already well-known, this summer has seen a flurry of activity in the field, so we felt it was time for a recap. How Bad Is It? If you take the development of serious quantum computing power as a given, all of the encryption methods based on factoring primes or doing modular exponentials, most notably RSA , elliptic curve cryptography , and Diffie-Hellman are all in trouble. Specifically, Shor’s algorithm , when applied on a...

Full article: http://hackaday.com/2015/09/29/quantum-computing-kills-en...

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