Using the random orientation of the magnetization of a ferromagnetic dot after the removal of a current pulse, researchers developed a method of generating a cryptographic key for hardware security using spin-orbit torque. One way […]
Distributed quantum information processing is based on the transmission of quantum data over lossy channels between quantum processing nodes. These nodes may be separated by a few microns or on planetary scale distances, but transmission […]
ITMO University researchers have developed a Quantum Key Distribution (QKD) system with coherent detection based on subcarrier wave quantum key distribution protocol. This is a continuous-variable quantum key distribution protocol using multimode coherent states generated […]
PQShield, a UK post-quantum cryptography startup, today comes out of stealth mode with the announcement of a £5.5m seed funding raise, and news that it has won Bosch as its first customer. Originating from the […]
Chinese researchers have reported the exchange of a secret key for encrypting and decrypting messages over a distance of 1,120 kilometers. Previous work has demonstrated Quantum Key Distribution (QKD) along up to 404 kilometers of coiled optical […]
A team of physicists of the University of Basel and ETH Zurich have developed the theoretical foundations for a QKD communication protocol that offers ultimate privacy protection and can be implemented experimentally. This protocol guarantees […]
Satellite QKD-based secure communications is a hot topic as we wrote in a previous article. China has definitely a leadership in this domain and shows new progress and expertise. Measurement-Device-Independent Quantum Key Distribution (MDI-QKD), based […]
Researchers at the Kastler Brossel Laboratory in Paris have succeeded in implementing a quantum “hybrid” entanglement swapping protocol. The team has demonstrated a way of connecting different types of quantum nodes that are not necessarily […]
Researchers at the University of Science and Technology of China have recently introduced a new satellite-based Quantum-Secure Time Transfer (QSTT) protocol that could enable more secure communications between different satellites or other technology in space. […]
The first Quantum Key Distribution (QKD) protocol has been proposed by Bennett and Brassard in 1984. Since then, the security of QKD has always been the central issue in the quantum cryptographic field. Trace distance […]
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