Draft blends asymmetric public/private key encryption and one-time pad analogs.
In case someone manages to make a general purpose quantum computer one day, a group of IETF authors have put forward a proposal to harden Internet key exchange.
While only an “informational” document at this stage, what the authors describe
is how to extend Internet Key Exchange v2 (RFC 7296*
, IKEv2) to support a quantum-safe key exchange.