Presentation 2000/11/6
Temporary Assumptions for Quantum Multi Party Protocols
Muller-Quada Jorn, Hideki Imai,
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Abstract(in English) This paper generalizes quantum multi party protocols, and the temporary assumptions which can be used there, to arbitrary adversary structures. We prove that quantum multi party protocols have to obey the same bounds on sets of possible adversaries as classical multi party protocols. But only during the excution of the protocol. Later these bounds can be loosened. We give bounds on the collusions tolerable after a protocol has terminated and we state protocols reaching these bounds if no two possible collusions cover all but one player.
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Keyword(in English) Quantum cryptography / multi party protocols / quantum bit commitment
Paper # ISEC2000-95
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Committee ISEC
Conference Date 2000/11/6(1days)
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Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Temporary Assumptions for Quantum Multi Party Protocols
Sub Title (in English)
Keyword(1) Quantum cryptography
Keyword(2) multi party protocols
Keyword(3) quantum bit commitment
1st Author's Name Muller-Quada Jorn
1st Author's Affiliation Institute of Industrial Science University of Tokyo()
2nd Author's Name Hideki Imai
2nd Author's Affiliation Institute of Industrial Science University of Tokyo
Date 2000/11/6
Paper # ISEC2000-95
Volume (vol) vol.100
Number (no) 421
Page pp.pp.-
#Pages 8
Date of Issue