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New algorithms are therefore needed. And because switching over to them will take years, the transition to post-quantum cryptography (pqc) needs to begin as soon as possible. The National Institute of Standards and Technology (nist), America’s standards agency, has now fired the starting gun for this transition. On August 13th nist announced that three algorithms had been approved as official standards for pqc. Two are based on lattice problems, a type of mathematical puzzle challenging for quantum and classical computers alike. The third, which is based on the hash functions used in data analysis, avoids having too many eggs in a single basket.
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