Random Number Generator Attack against the Kirchhoff-Law-Johnson-Noise Secure Key Exchange Protocol
arXiv:2005.10429
Abstract
This paper introduces and demonstrates two new attacks against the Kirchhoff-Law-Johnson-Noise (KLJN) secure key exchange scheme. The attacks are based on random number generators with compromised security. First we explore the situation in which Eve knows the seed of both Alice's and Bob's random number generators. We show that in this situation Eve can crack the secure key bit within a fraction of the bit exchange period even if her current and voltage measurements have only a single bit of resolution. In the second attack, we explore the situation in which Eve knows the seed of only Alice's random number generator. We show that in this situation Eve can still crack the secure key bit but she needs to use the whole bit exchange period for the attack. The security of the KLJN key exchange scheme, similarly to other protocols, necessitates that the random number generator outputs are truly random for Eve.
14 pages, 11 figures
References in corpus (13)
- Hacking commercial quantum cryptography systems by tailored bright illumination
- Trojan-horse attacks threaten the security of practical quantum cryptography
- Security loophole in free-space quantum key distribution due to spatial-mode detector-efficiency mismatch
- Attacks exploiting deviation of mean photon number in quantum key distribution and coin tossing
- Noise in the wire: the real impact of wire resistance for the Johnson (-like) noise based secure communicator
- Insecurity of detector-device-independent quantum key distribution
- Noise properties in the ideal Kirchhoff-Law-Johnson-Noise secure communication system
- Do electromagnetic waves exist in a short cable at low frequencies? What does physics say?
- On the "cracking" scheme in the paper "A directional coupler attack against the Kish key distribution system" by Gunn, Allison and Abbott
- Eavesdropper's ability to attack a free-space quantum-key-distribution receiver in atmospheric turbulence
- Securing vehicle communication systems by the KLJN key exchange protocol
- On KLJN-based secure key distribution in vehicular communication networks
- Incompleteness and Limit of Quantum Key Distribution Theory