News tagged with quantum cryptographic

More accurate than Heisenberg allows? Uncertainty in the presence of a quantum memory

Quantum cryptography is the safest way to encrypt data. It utilizes the fact that transmitted information can only be measured with a strictly limited degree of precision. Scientists at Ludwig-Maximilians-University in Munich ...

Physics / General Physics

created Jul 27, 2010 | popularity 4.9 / 5 (27) | comments 41 | with audio podcast

Engineers devise new method for securing location-sensitive data by using quantum mechanics

(PhysOrg.com) -- A research group led by computer scientists at the UCLA Henry Samueli School of Engineering and Applied Science has proved that cryptography -- the practice and study of hiding information -- that is based ...

Physics / Quantum Physics

created Jul 26, 2010 | popularity 4.7 / 5 (7) | comments 0 | with audio podcast

Random, but not by chance: A quantum random-number generator for encryption, security

Researchers have devised a new kind of random number generator, for encrypted communications and other uses, that is cryptographically secure, inherently private and - most importantly - certified random by ...

Physics / Quantum Physics

created Apr 14, 2010 | popularity 5 / 5 (21) | comments 0 | with audio podcast

Fighting tomorrow's hackers

One of the themes of Dan Brown's The Da Vinci Code is the need to keep vital and sensitive information secure. Today, we take it for granted that most of our information is safe because it's encrypted. Every time we use a ...

Technology / Computer Sciences

created Feb 05, 2009 | popularity 4.3 / 5 (3) | comments 0




Search results for quantum cryptographic


Twists to quantum technique for secret messaging give unanticipated power

Quantum cryptography is the ultimate secret message service. Now new research, presented at the 2012 AAAS Annual Meeting, shows it can counter even the ultimate paranoid scenario: when the equipment or even the operator is ...

Physics / Quantum Physics

created Feb 19, 2012 | popularity 4.5 / 5 (11) | comments 0 | with audio podcast

Choreographing dance of electrons offers promise in pursuit of quantum computers

(PhysOrg.com) -- In the basement of Hoyt Laboratory at Princeton University, Alexei Tyryshkin clicked a computer mouse and sent a burst of microwaves washing across a silicon crystal suspended in a frozen ...

Physics / General Physics

created Jan 12, 2012 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Researchers roll Einstein's dice: Developing a quantum random number generator

(PhysOrg.com) -- Quantum mechanics implies that uncertainty in experimental measurements are an inherent part of nature – an idea that Albert Einstein disparagingly characterized as “rolling dice”. ...

Physics / Quantum Physics

created Nov 30, 2011 | popularity 5 / 5 (5) | comments 58 | with audio podcast

Don't have all the information? In the quantum world, that doesn't matter

(PhysOrg.com) -- When it comes to the rules of the quantum world, it seems that almost everything goes against intuition. In the case of the way ignorance of the whole implies ignorance of at least one of its parts, the situation ...

Physics / Quantum Physics

created Jul 26, 2011 | popularity 4.4 / 5 (14) | comments 17 | with audio podcast feature

Rivest unlocks cryptography's past, looks toward future

The most widely used cryptographic system today may eventually be vulnerable, said computer science professor Ronald Rivest -- one of the system's primary creators -- but even if it fails, new systems are ...

Technology / Computer Sciences

created Feb 15, 2011 | popularity 3.8 / 5 (6) | comments 0

Japanese researchers succeed in quantum cryptographic key distribution from single-photon emitter at 50 km

Institute for Nano Quantum Information Electronics, The University of Tokyo, Fujitsu, and NEC Corp. today announced that they have achieved quantum cryptographic key distribution at a world-record distance ...

Physics / General Physics

created Sep 10, 2010 | popularity 5 / 5 (5) | comments 0

Vulnerability in commercial quantum cryptography

The Norwegian University of Science and Technology (NTNU) and the University of Erlangen-Nurnberg together with the Max Planck Institute for the Science of Light in Erlangen have recently developed and tested ...

Physics / Optics & Photonics

created Aug 29, 2010 | popularity 4.3 / 5 (9) | comments 1 | with audio podcast

Physicists Propose New Method for Quantum Computing

(PhysOrg.com) -- The new system, which can compute faster and more efficiently than previous quantum computers, may bring the technology closer to reality.

Physics / Quantum Physics

created Jun 15, 2010 | popularity 4.7 / 5 (35) | comments 0 | with audio podcast

P vs. NP -- The most notorious problem in theoretical computer science remains open

In the 1995 Halloween episode of The Simpsons, Homer Simpson finds a portal to the mysterious Third Dimension behind a bookcase, and desperate to escape his in-laws, he plunges through. He finds himself wander ...

Technology / Computer Sciences

created Oct 29, 2009 | popularity 4.7 / 5 (24) | comments 5

Field experiment on a robust hierarchical metropolitan quantum cryptography network

Key Laboratory of Quantum Information (CAS), University of Science and Technology of China has recently demonstrated a metropolitan Quantum Cryptography Network (QCN) for Government Administration in Wuhu, China. The project ...

Physics / Quantum Physics

created Oct 16, 2009 | popularity 5 / 5 (1) | comments 0


List of search results for quantum cryptographic