Category Archives: cryptography

Researchers weight safety of quantum cryptology

From PhysOrg.com:

By using keys that are generated using quantum particles, the transmission of data can be guaranteed by the very laws of physics, according to researchers at the Free University of Brussels (ULB) in Belgium and the Institute of Photonic Sciences in Barcelona in Spain. The laws of quantum mechanics state that observing a particle in its quantum state actually modifies that state, which means that in cases where quantum particles are used as keys in the transmission of data, ‘spying’ can be easily and immediately detected.

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Filed under cryptography, information theory, quantum mechanics