Security in Quantum Cryptography
arXiv:2102.00021 · doi:10.1103/RevModPhys.94.025008
Abstract
Quantum cryptography exploits principles of quantum physics for the secure processing of information. A prominent example is secure communication, i.e., the task of transmitting confidential messages from one location to another. The cryptographic requirement here is that the transmitted messages remain inaccessible to anyone other than the designated recipients, even if the communication channel is untrusted. In classical cryptography, this can usually only be guaranteed under computational hardness assumptions, e.g., that factoring large integers is infeasible. In contrast, the security of quantum cryptography relies entirely on the laws of quantum mechanics. Here we review this physical notion of security, focusing on quantum key distribution and secure communication.
63 pages, 34 figures. In submission to RMP. Partly based on arXiv:1409.3525. v2: new references and minor edits
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- Enhanced quantum state transfer: Circumventing quantum chaotic behavior
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- Device-Independent Quantum Key Distribution Based on the Mermin-Peres Magic Square Game
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- Boosting quantum key distribution via the end-to-end loss control
- Integrated quantum communication network and vibration sensing in optical fibers
- Security Proof for Variable-Length Quantum Key Distribution
- Continuous-variable quantum communication
- Quantum cryptography beyond key distribution: theory and experiment
- Experimental quantum key distribution certified by Bell's theorem
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- Deploying hybrid quantum-secured infrastructure for applications: When quantum and post-quantum can work together
- Experimental entanglement generation using multiport beam splitters
- Device-independent quantum key distribution over 100 km with single atoms
- Detecting the dimensionality of genuine multi-particle entanglement
- Security of differential phase shift QKD from relativistic principles
- Advances in Continuous Variable Measurement-Device-Independent Quantum Key Distribution
- Experimental anonymous quantum conferencing
- Anonymous conference key agreement in linear quantum networks
- Overcoming Noise Limitations in QKD with Quantum Privacy Amplification
- Entanglement Criteria Based on Quantum Fisher Information
- Clock offset recovery with sublinear complexity enables synchronization on low-level hardware for quantum key distribution
- Diagnosing Quantum Phases Using Long-Range Two-Site Quantum Resource Behaviors
- Quantum dense coding with gravitational cat states
- Approaching the Key Rate Limit in Continuous-Variable Quantum Key Distribution Network
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- Secure One-Sided Device-Independent Quantum Key Distribution Under Collective Attacks with Enhanced Robustness
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