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Quantum Cryptography

All articles tagged with #quantum cryptography

technology29 minutes ago•12 min saved

Gearing Up for Q-Day: Securing Cryptography Before Quantum Attacks

Experts warn that a looming Q-day—when quantum computers could break current cryptography—may arrive sooner than expected, spurred by new but not yet verified preprints from Google and a Caltech spinoff. While no quantum computer has proven Shor’s algorithm at scale, the risk of harvest now, decrypt later means urgent migration to post-quantum cryptography (PQC) and building crypto-agility across systems. NIST standards exist, but full adoption will take years, requiring coordinated effort from industry, governments, and researchers; individuals should consider safeguarding or removing long-term sensitive data, and organizations should begin migrating protocols such as TLS and SSH and improving key management while continuing security research.

via Gizmodo|

#nist-pqc-standards #post-quantum-cryptography #q-day

technology24 days ago•2 min saved

Quantum cryptography pioneers win the Turing Award for secure communications

US physicist Charles Bennett and Canadian computer scientist Gilles Brassard win the ACM Turing Award for the BB84 quantum cryptography scheme, a breakthrough that uses quantum physics to detect any eavesdropping and may secure future digital communications; the prize includes $1 million.

via BBC|

#bb84 #bennett #brassard

technology24 days ago•11 min saved

Founders of Quantum Information Win the Turing Award

Charles Bennett and Gilles Brassard win the Turing Award for foundational work that launched quantum information science, notably the BB84 quantum key distribution protocol, and for connecting quantum physics to cryptography—sparking a global surge in quantum computing and secure communications.

via Quanta Magazine|

#bb84 #quantum-cryptography #quantum-information

science7 months ago•9 min saved

Revolutionizing Security: The New Quantum Cryptography Math

Researchers are developing a new foundation for quantum cryptography that relies on quantum properties and complex mathematical problems, potentially creating more secure encryption methods that could withstand future computational advances, though practical implementation remains in the future.

via WIRED|

#cryptographic-protocols #mathematical-problems #one-way-functions

science8 months ago•9 min saved

Quantum Researchers Develop New Cryptography Math

Researchers have developed a new theoretical framework for quantum cryptography that relies on quantum-based mathematical building blocks called one-way puzzles, potentially supporting more secure cryptographic systems even if classical hard problems are solvable, though practical implementation remains distant due to current technological limitations.

via Quanta Magazine|

#cryptography-protocols #mathematical-foundation #one-way-puzzles

technology1 year ago•12 min saved

"New Quantum Secrecy Foundation Unveiled by Cryptographers"

Researchers have discovered that secure quantum encryption can be achieved even in hypothetical scenarios where all classical computational problems are easy, relying instead on the inherent difficulty of distinguishing certain quantum states. This breakthrough suggests that quantum cryptography could remain secure even if classical cryptography fails, potentially requiring a new theoretical framework to fully understand quantum information.

via Quanta Magazine|

#computational-hardness #cryptographic-protocols #encryption

technology2 years ago•4 min saved

"Space Encryption: The Ultimate Quantum Computer Defense with Light Data Transmission via Satellite"

Scientists are proposing a new "space encryption" technology that uses light particles beamed around the world via satellites to protect sensitive communications from potential decryption by future quantum computers. This approach, known as "quantum cryptography," leverages the principles of quantum mechanics to secure data transmission. A mission called "Quick3" aims to use photons to transmit data through a massive satellite network, with the system set to be tested in space in 2025. This technology could potentially provide a secure means of communication that is resistant to interception and decryption by quantum computers.

via Space.com|

#encryption #quantum-computers #quantum-cryptography

technology2 years ago•3 min saved

"Space Encryption: The Future of Quantum Communication"

Scientists are proposing a new "space encryption" technology that uses light particles beamed around the world via satellites to protect sensitive communications from potential decryption by future quantum computers. This quantum cryptography system, known as "Quick3," encodes information into individual light particles, making it impossible to intercept without detection. The system involves transmitting data through a massive satellite network and is set to be tested in space with a satellite launch scheduled for 2025.

via Livescience.com|

#data-security #encryption #quantum-computers

science-and-technology2 years ago•3 min saved

"Cutting-Edge Device Harnesses Quantum Illumination for Single Photon Generation and Information Encoding"

Scientists at Los Alamos National Laboratory have developed a new technique to generate circularly polarized single photons, a crucial step towards quantum communication and information processing. By using nanometer-scale indentations on a stack of atomically thin materials, the researchers were able to emit circularly polarized light without the need for an external magnetic field. This breakthrough could pave the way for advancements in quantum cryptography, communication, and the development of a hyper-secure quantum internet.

via SciTechDaily|

#nanotechnology #photonics #quantum-communication