When we design an algorithm for encryption, we’re not devising some kind of secret code. In fact, the whole algorithm is open – it’s published, and well-known. The only part which is not known is this relatively short 128-bit piece of information – a simple, secret key. And every time you’d like to communicate, you … Continue reading Open algorithms and secret keys: will existing encryption solutions solace quantum?
Are you worried about someone listening into your calls, reading your emails, or watching your video chats? You’re not alone. The internet has changed the face of communication and how communication can be stolen, spied upon or manipulated, and it always gets harder to protect ourselves as technology evolves. This becomes even more difficult as … Continue reading Maths, encryption, and quantum computing
What if you woke up one morning to find all locks had disappeared? Not just the one on your front door, or the lock on your bicycle – but the ignition on your car, and even the massive tumbler on the vault in your bank. All of these very valuable things these locks protect would … Continue reading Y2Q: quantum computing and the end of internet security
A new satellite has the ability to send information securely, not with mathematical encryption but by using the fundamental laws of physics.
European scientists put three photons in a 3-D 'twist' – a feat so far only predicted possible on paper. Viviane Richter reports.