Efficient certificateless signature schemes

Kyu Young Choi; Jong Hwan Park; Jung Yeon Hwang; Dong Hoon Lee

doi:10.1007/978-3-540-72738-5_29

Efficient certificateless signature schemes

Kyu Young Choi, Jong Hwan Park, Jung Yeon Hwang, Dong Hoon Lee

Graduate School of Information Study

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

90 Citations (Scopus)

Abstract

Recently, in order to eliminate the use of certificates in certified public key cryptography and the key-escrow problem in identity based cryptography, the notion of certificateless public key cryptography was introduced. In this paper, to construct an efficient certificateless signature (CLS) scheme, we present a new approach compactly and orthogonally combining short signatures using bilinear maps. Our approach is conceptually simple but effective to improve efficiency greatly. In the proposed CLS scheme a full private key of a user is a single group element and signature verification requires only one pairing operation. In addition, our CLS scheme has a flexible structure which can be easily extended to a certificateless signature scheme with additional properties such as certificateless ring and blind signature schemes.

Original language	English
Title of host publication	Applied Cryptography and Network Security - 5th International Conference, ACNS 2007, Proceedings
Publisher	Springer Verlag
Pages	443-458
Number of pages	16
ISBN (Print)	9783540727378
DOIs	https://doi.org/10.1007/978-3-540-72738-5_29
Publication status	Published - 2007
Event	5th International Conference on Applied Cryptography and Network Security, ACNS 2007 - Zhuhai, China Duration: 2007 Jun 5 → 2007 Jun 8

Publication series

Name	Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume	4521 LNCS
ISSN (Print)	0302-9743
ISSN (Electronic)	1611-3349

Other

Other	5th International Conference on Applied Cryptography and Network Security, ACNS 2007
Country/Territory	China
City	Zhuhai
Period	07/6/5 → 07/6/8

ASJC Scopus subject areas

Theoretical Computer Science
Computer Science(all)

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10.1007/978-3-540-72738-5_29

Cite this

Choi, K. Y., Park, J. H., Hwang, J. Y., & Lee, D. H. (2007). Efficient certificateless signature schemes. In Applied Cryptography and Network Security - 5th International Conference, ACNS 2007, Proceedings (pp. 443-458). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 4521 LNCS). Springer Verlag. https://doi.org/10.1007/978-3-540-72738-5_29

Efficient certificateless signature schemes. / Choi, Kyu Young; Park, Jong Hwan; Hwang, Jung Yeon; Lee, Dong Hoon.

Applied Cryptography and Network Security - 5th International Conference, ACNS 2007, Proceedings. Springer Verlag, 2007. p. 443-458 (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 4521 LNCS).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Choi, KY, Park, JH, Hwang, JY & Lee, DH 2007, Efficient certificateless signature schemes. in Applied Cryptography and Network Security - 5th International Conference, ACNS 2007, Proceedings. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), vol. 4521 LNCS, Springer Verlag, pp. 443-458, 5th International Conference on Applied Cryptography and Network Security, ACNS 2007, Zhuhai, China, 07/6/5. https://doi.org/10.1007/978-3-540-72738-5_29

Choi KY, Park JH, Hwang JY, Lee DH. Efficient certificateless signature schemes. In Applied Cryptography and Network Security - 5th International Conference, ACNS 2007, Proceedings. Springer Verlag. 2007. p. 443-458. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)). https://doi.org/10.1007/978-3-540-72738-5_29

Choi, Kyu Young ; Park, Jong Hwan ; Hwang, Jung Yeon ; Lee, Dong Hoon. / Efficient certificateless signature schemes. Applied Cryptography and Network Security - 5th International Conference, ACNS 2007, Proceedings. Springer Verlag, 2007. pp. 443-458 (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)).

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AB - Recently, in order to eliminate the use of certificates in certified public key cryptography and the key-escrow problem in identity based cryptography, the notion of certificateless public key cryptography was introduced. In this paper, to construct an efficient certificateless signature (CLS) scheme, we present a new approach compactly and orthogonally combining short signatures using bilinear maps. Our approach is conceptually simple but effective to improve efficiency greatly. In the proposed CLS scheme a full private key of a user is a single group element and signature verification requires only one pairing operation. In addition, our CLS scheme has a flexible structure which can be easily extended to a certificateless signature scheme with additional properties such as certificateless ring and blind signature schemes.

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Efficient certificateless signature schemes

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