Media type: E-Article Title: Several cryptographic applications of Σ-protocol Contributor: Tang, Chunming; Yao, Zheng-an imprint: Springer Science and Business Media LLC, 2009 Published in: Journal of Systems Science and Complexity Language: English DOI: 10.1007/s11424-009-9162-x ISSN: 1009-6124; 1559-7067 Keywords: Information Systems ; Computer Science (miscellaneous) Origination: Footnote: