Quantum-Resistant Signatures on Your Host. The vulnerabilities of prime number factorization posed by quantum computers is alarming as much of our PKI-based infrastructure relies on this method of encryption. There is an alternative, “Hash to Obtain Random Subset” (HoRS). It’s an option to consider to secure your communications against quantum computing.
Report is found here at CODECONDO…
NIST has an outline for a hash-based standard [PDF]…