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 Duration: 2 Jun 2009 → 5 Jun 2009 Conference number: 7th https://link.springer.com/book/10.1007/978-3-642-01957-9 (Proceedings)

Conference

Conference	International Conference on Applied Cryptography and Network Security 2009
Abbreviated title	ACNS 2009
Country/Territory	France
City	Paris-Rocquencourt
Period	2/06/09 → 5/06/09
Internet address	https://link.springer.com/book/10.1007/978-3-642-01957-9 (Proceedings)

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

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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",

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

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

language = "English",

isbn = "9783642019562",

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editor = "Michel Abdalla and David Pointcheval and Pierre-Allain Fouque and Damien Vergnaud",

booktitle = "Proceedings of the 7th International Conference on Applied Cryptography and Network Security (ACNS 2009)",

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note = "International Conference on Applied Cryptography and Network Security 2009, ACNS 2009 ; Conference date: 02-06-2009 Through 05-06-2009",

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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, 2/06/09. 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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AB - 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.

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BT - Proceedings of the 7th International Conference on Applied Cryptography and Network Security (ACNS 2009)

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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

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

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