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Prepare and Measure Quantum Digital Signature: Difference between revisions
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Prepare and Measure Quantum Digital Signature (edit)
Revision as of 12:40, 11 November 2018
, 11 November 2018→Relevant Papers
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'''Theoretical''' | '''Theoretical''' | ||
#[https://arxiv.org/abs/1403.5551 WDKA (2015)] above example | #[https://arxiv.org/abs/1403.5551 WDKA (2015)] above example | ||
#[https://arxiv.org/abs/1309.1375 DWA (2013)] | #[https://arxiv.org/abs/1309.1375 DWA (2013)] first QDS scheme without quantum memory based on [[Coherent State Comparison]]. | ||
##'''Requires''' [[Coherent States]], authenticated quantum and classical channels, [[multiports]], [[Unambiguous State Discrimination (USD)]] (State Elimination), no symmetrisation required. | ##'''Requires''' [[Coherent States]], authenticated quantum and classical channels, [[multiports]], [[Unambiguous State Discrimination (USD)]] (State Elimination), no symmetrisation required. | ||
##'''Security:''' Information-theoretic | ##'''Security:''' Information-theoretic | ||
#[https://journals.aps.org/pra/abstract/10.1103/PhysRevA.90.042335 AL (2014)] | #[https://journals.aps.org/pra/abstract/10.1103/PhysRevA.90.042335 AL (2014)] establishes coherent state mapping of (2). Replaces SWAP Test with beam splitters. Uses [[Unambiguous State Discrimination (USD)]] (State Elimination). | ||
##'''Requires''' [[Coherent States|Phase encoded Coherent states]], [[Balanced Beam Splitters]]. | ##'''Requires''' [[Coherent States|Phase encoded Coherent states]], [[Balanced Beam Splitters]]. | ||
##No explicit security proof provided. | ##No explicit security proof provided. | ||
#[https://arxiv.org/abs/1505.07509 AWA (2015)] security proof for generalisation of [https://arxiv.org/abs/1403.5551 WDKA (2015)] and [https://arxiv.org/abs/1309.1375 DWA (2013)] to more than two recipients case. | #[https://arxiv.org/abs/1505.07509 AWA (2015)] security proof for generalisation of [https://arxiv.org/abs/1403.5551 WDKA (2015)] and [https://arxiv.org/abs/1309.1375 DWA (2013)] to more than two recipients case. | ||
#[https://www.researchgate.net/publication/280062082_Practical_Quantum_Digital_Signature YFC (2016)] | #[https://www.researchgate.net/publication/280062082_Practical_Quantum_Digital_Signature YFC (2016)] first QDS scheme without authenticated (trusted) quantum channels. Demonstrates one protocol with two implementation, two copies of single photon method and decoy state method. First uses single qubit photons in three bases; Private key: classical description of states, Public key: pair of [[non-orthogonal states]] in any two of the three bases. | ||
##'''Requires''' authenticated classical channels, [[polarisation measurement]] in three bases, [[Unambiguous State Discrimination (USD)]] (State Elimination), uses quantum correlations to check authentication. Decoy State method uses [[Coherent States|phase-randomised weak coherent states]], [[50:50 Beam Splitter (BS)]]. | ##'''Requires''' authenticated classical channels, [[polarisation measurement]] in three bases, [[Unambiguous State Discrimination (USD)]] (State Elimination), uses quantum correlations to check authentication. Decoy State method uses [[Coherent States|phase-randomised weak coherent states]], [[50:50 Beam Splitter (BS)]]. | ||
##Security: [[Information-theoretic]]. | ##Security: [[Information-theoretic]]. | ||
#[https://www.researchgate.net/publication/280034032_Secure_Quantum_Signatures_Using_Insecure_Quantum_Channels AWKA (2015)] | #[https://www.researchgate.net/publication/280034032_Secure_Quantum_Signatures_Using_Insecure_Quantum_Channels AWKA (2015)] QDS scheme without authenticated quantum channels using parameter estimation phase. Uses a Key Generations Protocol (KGP) where noise threshold for Seller-Buyer and Seller-Verifier is better than when distilling secret key from QKD. Seller sends different key to Buyer and Verifier using KGP. This anamoly is justifiable due to symmetrisation. | ||
##'''Requires''' authenticated classical channels, [[Decoy State QKD]] setup. | ##'''Requires''' authenticated classical channels, [[Decoy State QKD]] setup. | ||
##Security: [[Information-theoretic]]. | ##Security: [[Information-theoretic]]. | ||