The United States´ National Institute of Standards and Technology has issued a Notice and request for nominations for candidate post-quantum algorithms.
The Institute (NIST) has cottoned on to the fact that - If large-scale quantum computers are ever built, they will be able to break many of the public-key cryptosystems currently in use.
The agency therefore observes, in its explanation of the Notice, that once such machines are widely available: This would seriously compromise the confidentiality and integrity of digital communications on the Internet and elsewhere.
Bruce Schneier:
IT World, Maria Korolov: