A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Criteria for selection of public-key cryptographic algorithms for quantum-safe hybrid cryptography
Authors : John M. Schanck
William Whyte
Zhenfei Zhang
Filename : draft-whyte-select-pkc-qsh-01.txt
Pages : 14
Date : 2016-04-04
Abstract:
Authenticated key exchange mechanisms instantiated with cryptosystems
based on integer factorization, finite field discrete log, or
elliptic curve discrete log, are believed to be secure now but are
vulnerable to a harvest-then-decrypt attack where an attacker who
cannot currently break the mechanism records the traffic anyway, then
decrypts it at some point in the future when quantum computers become
available. The Quantum-safe Hybrid approach is a modular design,
allowing any authenticated key exchange mechanism to be protected
against the harvest-then-decrypt attack by exchanging additional
secret material protected with an ephemeral key for a quantum-safe
public key cryptographic algorithm and including that secret material
in the Key Derivation Function (KDF) run at the end of the key
exchange. This approach has been proposed in TLS as the Quantum-safe
Hybrid handshake mechanism for Transport Layer Security protocol
(QSH_TLS). This document provides a guideline to criteria for
selecting public key encryption algorithms approved for experimental
use in the quantum safe hybrid setting.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-whyte-select-pkc-qsh/
There's also a htmlized version available at:
https://tools.ietf.org/html/draft-whyte-select-pkc-qsh-01
A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-whyte-select-pkc-qsh-01
Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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