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Paper Abstract and Keywords
Presentation 2012-11-27 11:20
A Quantum Relay using Quantum Scret Sharing
Takashi Suzuki, Akihisa Tomita (Hokkaido Univ)
Abstract (in Japanese) (See Japanese page) 
(in English) In order to relax the demand for the trusted relay points in a quantum relay, we propose a protocol of the quantum relay using quantum group secret sharing and distributed computing. In this protocol, the information about a key is distributed to the members of a relay points. Hence the information of the key cannot be obtained unless all the members of a relay point are adversaries. Moreover, communication complexity required for a key share scales to the number of relay points and is that required in the protocols proposed by less than related works.
Keyword (in Japanese) (See Japanese page) 
(in English) quantum key distribution / quantum relay / quantum secret sharing / Information theoretic security / / / /  
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Conference Information
Committee QIT  
Conference Date 2012-11-27 - 2012-11-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Keio Univ. Hiyoshi Campus 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Quantum Information 
Paper Information
Registration To QIT 
Conference Code 2012-11-QIT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Quantum Relay using Quantum Scret Sharing 
Sub Title (in English)  
Keyword(1) quantum key distribution  
Keyword(2) quantum relay  
Keyword(3) quantum secret sharing  
Keyword(4) Information theoretic security  
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1st Author's Name Takashi Suzuki  
1st Author's Affiliation Hokkaido University (Hokkaido Univ)
2nd Author's Name Akihisa Tomita  
2nd Author's Affiliation Hokkaido University (Hokkaido Univ)
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Speaker Author-1 
Date Time 2012-11-27 11:20:00 
Presentation Time 20 minutes 
Registration for QIT 
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