Multi-million EU project to protect data against quantum computers

April 23, 2015, Eindhoven University of Technology

Quantum-proof cryptosystems need to be in place before big quantum computers become a reality, which is expected some time after 2025. Even if the scientists win that race quantum computers can still decrypt communication that we encrypt today with current technologies if the attacker has retained this data.

At this moment all bets are off and it is unclear whether we will ever learn the outcome of this competition. Scientists at Eindhoven University of Technology (TU/e) and elsewhere are developing technology that can resist attacks using quantum computers. These cryptosystems need to be in place before big quantum computers become a reality, which is expected some time after 2025. Even if the scientists win that race quantum computers can still decrypt communication that we encrypt today with technologies if the attacker has retained this data.

Tanja Lange, TU/e professor for Cryptology, is leading a research consortium consisting of eleven universities and companies which is funded with 3.9 million Euros by the European Commission under the H2020 program to develop cryptology that resists the unmatched power of quantum computers. The project PQCRYPTO was publicly announced by Lange at a meeting at the US-American standardization institute NIST on this topic.

The expectation is that large quantum computers will be built some time after 2025. Such computers surmount the abilities of current computers and enable new types of attacks. Currently used methods such as RSA and ECC use keys that will still be unbroken in 100 years with current computer technology - but if quantum computers live up to their promises they can break these systems in a matter of days, if not hours. "2025 seems still far away but we might already be too late", warns Eindhoven professor Lange, who has already worked on alternative cryptosystems since 2006. "It takes 15 to 20 years to introduce and standardize new cryptosystems and we are still in the research phase."

To make things worse, spy agencies are not expected to announce when they have successfully built quantum computers. They can even break encrypted messages from the past if they had the foresight to record all messages. Lange suggests to already now deploy post-quantum cryptography to encrypt data with confidentiality requirements of more than 10 years, such as health records or top-secret documents.

"We already have cryptosystems that resist quantum computers but they are demanding in power which makes them unsuitable for smart phones or contactless cards. The quest is thus to develop new techniques that are unnoticeable on current devices while resisting the power of quantum computers. The European PQCRYPTO consortium will work on this for the next three years. The core targets are small devices, secure data storage in the cloud, and secure Internet."

Explore further: Control on shape of light particles opens the way to 'quantum internet'

Related Stories

The road to quantum computing

May 15, 2014

Anticipating the advent of the quantum computer, related mathematical methods already provide insight into conventional computer science.

Team tightens bounds on quantum information 'speed limit'

April 13, 2015

If you're designing a new computer, you want it to solve problems as fast as possible. Just how fast is possible is an open question when it comes to quantum computers, but physicists at the National Institute of Standards ...

Quantum teleportation on a chip

April 1, 2015

The core circuits of quantum teleportation, which generate and detect quantum entanglement, have been successfully integrated into a photonic chip by an international team of scientists from the universities of Bristol, Tokyo, ...

Recommended for you

Fish-inspired material changes color using nanocolumns

March 20, 2019

Inspired by the flashing colors of the neon tetra fish, researchers have developed a technique for changing the color of a material by manipulating the orientation of nanostructured columns in the material.

Researchers shed new light on the origins of modern humans

March 20, 2019

Researchers from the University of Huddersfield, with colleagues from the University of Cambridge and the University of Minho in Braga, have been using a genetic approach to tackle one of the most intractable questions of ...

One transistor for all purposes

March 20, 2019

In mobiles, fridges, planes – transistors are everywhere. But they often operate only within a restricted current range. LMU physicists have now developed an organic transistor that functions perfectly under both low and ...


Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.