Bulletproof TLS Newsletter 
Bulletproof TLS Newsletter is a free periodic newsletter bringing you commentary and news surrounding SSL/TLS and Internet PKI, designed to keep you informed about the latest developments in this space. Received monthly by more than 50,000 subscribers. Maintained by Hanno Böck.
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NIST announces preliminary winners of post-quantum competition
28 Jul 2022
The US National Institute of Standards and Technology (NIST) has announced the first winners of a several-years-long competition for post-quantum encryption and signature algorithms. For encryption, NIST recommends the use of CRYSTALS-Kyber, although that recommendation may still change. For signatures, NIST has selected CRYSTALS-Dilithium as the primary algorithm, plus two additional algorithms, Falcon and SPHINCS+.
The decision was long awaited, having been delayed multiple times. The background is that future quantum computers could break practically all public key cryptography in use today. Algorithms like RSA or ones based on elliptic curves could be broken by an attacker using a powerful quantum computer. No such quantum computer exists today, but research on them is progressing.
Due to this thread, researchers started investigating possible algorithms that would be safe from such quantum attacks. These algorithms are called post-quantum cryptography. In 2016, NIST announced that it wanted to standardize such post-quantum algorithms and asked for proposals.
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