A novel single agent quantum bit commitment scheme

The Bit Commitment (BC) is an important basic agreement in cryptography . The concept was first proposed by the winner of the Turing Award in 1995 ManuelBlum. Bit commitment scheme can be used to build up zero knowledge proof, verified secret sharing, throwing coins etc agreement.Simultaneously and Oblivious Transfer together constitute the basis of secure multi-party computations. Both of them are hotspots in the field of information security. We investigated unconditional secure Quantum Bit Commitment (QBC) existence. And we constructed a new bit commitment model – double prover bit commitment. The Quantum Bit Commitment Protocol can be resistant to errors caused by noise.

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How to Convert a Flavor of Quantum Bit Commitment

BRICS Report Series ◽

10.7146/brics.v7i52.20219 ◽

2000 ◽

Vol 7 (52) ◽

Author(s):

Claude Crépeau ◽

Frédéric Légaré ◽

Louis Salvail

Keyword(s):

Quantum Bit ◽

Bit Commitment ◽

Classical World ◽

Commitment Scheme ◽

Security Parameter ◽

Bit Commitments

In this paper we show how to convert a statistically binding<br />but computationally concealing quantum bit commitment scheme into a computationally binding but statistically concealing scheme. For a security parameter n, the construction of the statistically concealing scheme requires O(n^2) executions of the statistically binding scheme. As a consequence, statistically concealing but computationally binding quantum bit commitments can be based upon any family of quantum one-way functions. Such a construction is not known to exist in the classical world.

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Quantum Bit Commitment and the Reality of the Quantum State

Foundations of Physics ◽

10.1007/s10701-017-0130-3 ◽

2018 ◽

Vol 48 (1) ◽

pp. 92-109 ◽

Cited By ~ 2

Author(s):

R. Srikanth

Keyword(s):

Quantum State ◽

Quantum Bit ◽

Bit Commitment

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Security bound of cheat sensitive quantum bit commitment

Scientific Reports ◽

10.1038/srep09398 ◽

2015 ◽

Vol 5 (1) ◽

Cited By ~ 5

Author(s):

Guang Ping He

Keyword(s):

Quantum Bit ◽

Bit Commitment ◽

Security Bound

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Strong no-go theorem for Gaussian quantum bit commitment

Physical Review A ◽

10.1103/physreva.81.010302 ◽

2010 ◽

Vol 81 (1) ◽

Cited By ~ 22

Author(s):

Loïck Magnin ◽

Frédéric Magniez ◽

Anthony Leverrier ◽

Nicolas J. Cerf

Keyword(s):

Quantum Bit ◽

Bit Commitment

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Measurement-Device-Independent Two-Party Cryptography with Error Estimation

Sensors ◽

10.3390/s20216351 ◽

2020 ◽

Vol 20 (21) ◽

pp. 6351

Author(s):

Zishuai Zhou ◽

Qisheng Guang ◽

Chaohui Gao ◽

Dong Jiang ◽

Lijun Chen

Keyword(s):

Error Estimation ◽

Bit Error Rate ◽

Error Rate ◽

Cryptographic Protocols ◽

Measurement Device ◽

Joint Measurement ◽

Quantum Bit ◽

Bit Commitment ◽

Innovative Method ◽

Limited Power

We present an innovative method for quantum two-party cryptography. Our protocol introduces joint measurement and error estimation to improve the security of two-party cryptographic protocols. Our protocol removes the assumption of the attacker’s limited power and catches the attacking actions through highly estimated bit error rate. Our protocol is formally proved to be secure against both eavesdroppers and dishonest communication parties. We also utilize our designed protocol to construct two specific two-party cryptographic applications: Quantum bit commitment and quantum password identification.

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