Non-coherent attack on the ping-pong protocol with completely entangled pairs of qutrits
| Autor: | E. V. Vasiliu |
|---|---|
| Rok vydání: | 2010 |
| Předmět: |
Computer science
ComputerSystemsOrganization_COMPUTER-COMMUNICATIONNETWORKS Statistical and Nonlinear Physics Expression (computer science) Topology Theoretical Computer Science Electronic Optical and Magnetic Materials Modeling and Simulation Qubit Signal Processing Ping pong Electrical and Electronic Engineering Quantum Protocol (object-oriented programming) |
| Zdroj: | Quantum Information Processing. 10:189-202 |
| ISSN: | 1573-1332 1570-0755 |
| DOI: | 10.1007/s11128-010-0188-8 |
| Popis: | The general individual (non-coherent) attack on the ping-pong protocol with completely entangled pairs of three-dimensional quantum systems (qutrits) is analyzed. The expression for amount of the eavesdropper's information as functions from probability of attack detection is derived. It is shown, that the security of the ping-pong protocol with pairs of qutrits is higher the security of the protocol with pairs of qubits. It is also shown, that with the use by legitimate users in a control mode two mutually unbiased measuring bases the ping-pong protocol with pairs of qutrits, similar to the protocol with groups of qubits, possesses only asymptotic security and requires additional methods for its security amplification. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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