Abstract
Quantum secure direct communication protocols offer confidential transmission of classic information over quantum channel without prior key agreement. The ping-pong based protocols provide asymptotic security and detailed analysis of security level provided by each variant of the protocol is required. The paper presents a general method of calculation of the eavesdropped information as a function of the attack detection probability. The method is applied to the ping-pong protocol based on completely entangled pairs of qudits. The upper and lower bounds on the amount of the leaked information and eavesdropping detection probability are provided.
| Original language | English |
|---|---|
| Pages (from-to) | 1419-1430 |
| Number of pages | 12 |
| Journal | Quantum Information Processing |
| Volume | 11 |
| Issue number | 6 |
| DOIs | |
| Publication status | Published - Dec 2012 |
Keywords
- Ping-pong protocol
- Quantum cryptography
- Quantum secure direct communication
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Statistical and Nonlinear Physics
- Theoretical Computer Science
- Signal Processing
- Modeling and Simulation
- Electrical and Electronic Engineering
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