Researchers at IBM have demonstrated a quantum-proof encryption method called CRYSTALS, the Cryptographic Suite for Algebraic Lattices, that can successfully encrypt a magnetic-tap storage device.
CRYSTALS generates its public and private keys with a family of equations called "lattice problems." The team also developed a CRYSTALS modification that should allow the method to encrypt cloud-based data. The company hopes to use this improvement to render the IBM Cloud quantum-proof by 2020.
IBM also made the system open-source so anyone interested in protecting their data can try it.
From Scientific American
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