A new variant of the cramer-shoup KEM secure against chosen ciphertext attack

Joonsang Baek; Willy Susilo; Joseph K Liu; Jianying Zhou

doi:10.1007/978-3-642-01957-9_9

A new variant of the cramer-shoup KEM secure against chosen ciphertext attack

Joonsang Baek, Willy Susilo, Joseph K Liu, Jianying Zhou

Research output: Chapter in Book/Report/Conference proceeding › Conference Paper › Research › peer-review

8 Citations (Scopus)

Abstract

We propose a new variant of the Cramer-Shoup KEM (key encapsulation mechanism). The proposed variant is more efficient than the original Cramer-Shoup KEM scheme in terms of public key size and encapsulation cost, but is proven to be (still) secure against chosen ciphertext attack in the standard model, relative to the Decisional Diffie-Hellman problem.

Original language	English
Title of host publication	Proceedings of the 7th International Conference on Applied Cryptography and Network Security (ACNS 2009)
Editors	Michel Abdalla, David Pointcheval, Pierre-Allain Fouque, Damien Vergnaud
Place of Publication	Heidelberg Germany
Publisher	Springer
Pages	143 - 155
Number of pages	13
Volume	5536
ISBN (Print)	9783642019562
DOIs	https://doi.org/10.1007/978-3-642-01957-9_9
Publication status	Published - 2009
Externally published	Yes
Event	International Conference on Applied Cryptography and Network Security 2009 - Paris-Rocquencourt France, Paris-Rocquencourt, France Duration: 1 Jan 2009 → …

Conference

Conference	International Conference on Applied Cryptography and Network Security 2009
Abbreviated title	ACNS 2009
Country	France
City	Paris-Rocquencourt
Period	1/01/09 → …

Access to Document

10.1007/978-3-642-01957-9_9

RM sElocation

Cite this

Baek, J., Susilo, W., Liu, J. K., & Zhou, J. (2009). A new variant of the cramer-shoup KEM secure against chosen ciphertext attack. In M. Abdalla, D. Pointcheval, P-A. Fouque, & D. Vergnaud (Eds.), Proceedings of the 7th International Conference on Applied Cryptography and Network Security (ACNS 2009) (Vol. 5536, pp. 143 - 155). Springer. https://doi.org/10.1007/978-3-642-01957-9_9

Baek, Joonsang ; Susilo, Willy ; Liu, Joseph K ; Zhou, Jianying. / A new variant of the cramer-shoup KEM secure against chosen ciphertext attack. Proceedings of the 7th International Conference on Applied Cryptography and Network Security (ACNS 2009). editor / Michel Abdalla ; David Pointcheval ; Pierre-Allain Fouque ; Damien Vergnaud. Vol. 5536 Heidelberg Germany : Springer, 2009. pp. 143 - 155

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title = "A new variant of the cramer-shoup KEM secure against chosen ciphertext attack",

abstract = "We propose a new variant of the Cramer-Shoup KEM (key encapsulation mechanism). The proposed variant is more efficient than the original Cramer-Shoup KEM scheme in terms of public key size and encapsulation cost, but is proven to be (still) secure against chosen ciphertext attack in the standard model, relative to the Decisional Diffie-Hellman problem.",

author = "Joonsang Baek and Willy Susilo and Liu, {Joseph K} and Jianying Zhou",

year = "2009",

doi = "10.1007/978-3-642-01957-9_9",

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Baek, J, Susilo, W, Liu, JK & Zhou, J 2009, A new variant of the cramer-shoup KEM secure against chosen ciphertext attack. in M Abdalla, D Pointcheval, P-A Fouque & D Vergnaud (eds), Proceedings of the 7th International Conference on Applied Cryptography and Network Security (ACNS 2009). vol. 5536, Springer, Heidelberg Germany, pp. 143 - 155, International Conference on Applied Cryptography and Network Security 2009, Paris-Rocquencourt, France, 1/01/09. https://doi.org/10.1007/978-3-642-01957-9_9

A new variant of the cramer-shoup KEM secure against chosen ciphertext attack. / Baek, Joonsang; Susilo, Willy; Liu, Joseph K; Zhou, Jianying.

Proceedings of the 7th International Conference on Applied Cryptography and Network Security (ACNS 2009). ed. / Michel Abdalla; David Pointcheval; Pierre-Allain Fouque; Damien Vergnaud. Vol. 5536 Heidelberg Germany : Springer, 2009. p. 143 - 155.

Research output: Chapter in Book/Report/Conference proceeding › Conference Paper › Research › peer-review

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Baek J, Susilo W, Liu JK, Zhou J. A new variant of the cramer-shoup KEM secure against chosen ciphertext attack. In Abdalla M, Pointcheval D, Fouque P-A, Vergnaud D, editors, Proceedings of the 7th International Conference on Applied Cryptography and Network Security (ACNS 2009). Vol. 5536. Heidelberg Germany: Springer. 2009. p. 143 - 155 https://doi.org/10.1007/978-3-642-01957-9_9