New communication Protocol will ensure full confidentiality
The Protocol adds artificial noise to the original data, providing protection from intruders.
Researchers from the University of Basel and Federal Institute of technology Zurich
To combat cybercrimes, which have quantum computers, experts are developing new encryption methods based on the principles of quantum mechanics. The Protocol could be implemented experimentally and guarantees safety in cases where the devices used for communication are the so-called “black boxes”. Quantum computers built into the black boxes, which does not penetrate light or sound, to the extent necessary to eliminate decoherence and call the superposition of qubits.
Some theoretical suggestions for communication protocols with black boxes existed before, but they could not be realized experimentally because the devices had to be very effective in detecting information about the encryption key. If the information blocks remain undetected, it is impossible to know whether they were stolen by a third party.
The new Protocol aims to solve this problem, “diluting the information noise”. Adding artificial noise to the information about the cryptographic key does not allow to obtain sufficient information and risk attacks the security Protocol. In addition, the researchers were able to reduce the demands on the devices used for the high-performance detection of information.
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