The National Institute of Standards and Technology (NIST) has announced (PDF) the inaugural winners of the Post-Quantum Encryption and Signature Algorithms Competition. For encryption algorithms, NIST recommends the use of CRYSTALS-Kyber, consider choosing NTRU (the related patent has expired), both Kyber and NTRU are lattice-based algorithms; for signature algorithms, NIST chooses CRYSTALS-Dilithium as the main algorithm, and The other two are Falcon and SPHINCS+, where Falcon and Dilithium are both lattice-based algorithms and Falcon is a hash algorithm. This algorithmic competition is aimed at the coming era of quantum computing, which can easily crack existing RSA or elliptic curve-based algorithms.
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