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Paper Abstract and Keywords
Presentation 2019-11-18 11:50
On Attacking Next-Generation Public-Key Cryptography by Using LASOLV
Yasuhito Kawano (NTT), Hiroshi Sekigawa (TUS)
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes a method for attacking the LWE cryptography (lattice-based next-generation public-key cryptography) by using a quantum-inspired machine. An LWE problem is coded as a logical formula,
transformed to a conjunctive normal form, reduced to a quadratic unconstrained binary optimization problem, and solved by a quantum-inspired machine. We applied this method to a problem in Toy Challenge of the benchmark site (TU Darmstadt LWE Challenge) and con red to solve it by using the coherent Ising machine "LASOLV" developed
by NTT.
Keyword (in Japanese) (See Japanese page) 
(in English) Quantum-inspired machine / coherent Ising machine / LWE cryptography / next-generation public-key cryptography / / / /  
Reference Info. IEICE Tech. Rep.
Paper #  
Date of Issue  
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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Conference Information
Committee QIT  
Conference Date 2019-11-18 - 2019-11-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Gakushuin University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Quantum Information 
Paper Information
Registration To QIT 
Conference Code 2019-11-QIT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) On Attacking Next-Generation Public-Key Cryptography by Using LASOLV 
Sub Title (in English)  
Keyword(1) Quantum-inspired machine  
Keyword(2) coherent Ising machine  
Keyword(3) LWE cryptography  
Keyword(4) next-generation public-key cryptography  
1st Author's Name Yasuhito Kawano  
1st Author's Affiliation NTT (NTT)
2nd Author's Name Hiroshi Sekigawa  
2nd Author's Affiliation Tokyo University of Science (TUS)
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Date Time 2019-11-18 11:50:00 
Presentation Time 20 
Registration for QIT 
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