SABER: Learning with Rounding … For Post-Quantum Crypto, It’s All About Lattice

NIST is now finalising the post-quantum cryptography competition. Overall the methods we can use to replace our existing public key methods are:

• Hash-based/symmetric-based. This includes Merkle signatures, SPHINCS and Picnic, and are used to create digital signatures. They cannot be used for public-key encryption and involve…