Security notions for broadcast encryption

Duong Hieu Phan; David Pointcheval; Mario Strefler

doi:10.1007/978-3-642-21554-4_22

Security notions for broadcast encryption

Duong Hieu Phan
, David Pointcheval
, Mario Strefler

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

Abstract

This paper clarifies the relationships between security notions for broadcast encryption. In the past, each new scheme came with its own definition of security, which makes them hard to compare. We thus define a set of notions, as done for signature and encryption, for which we prove implications and separations, and relate the existing notions to the ones in our framework. We find some interesting relationships between the various notions, especially in the way they define the receiver set of the challenge message. In addition, we define a security notion that is stronger than all previous ones, and give an example of a scheme that fulfills this notion.

Original language	English
Title of host publication	Applied Cryptography and Network Security - 9th International Conference, ACNS 2011, Proceedings
Pages	377-394
Number of pages	18
DOIs	https://doi.org/10.1007/978-3-642-21554-4_22
Publication status	Published - 23 Jun 2011
Event	9th International Conference on Applied Cryptography and Network Security, ACNS 2011 - Nerja, Spain Duration: 7 Jun 2011 → 10 Jun 2011

Publication series

Name	Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume	6715 LNCS
ISSN (Print)	0302-9743
ISSN (Electronic)	1611-3349

Conference

Conference	9th International Conference on Applied Cryptography and Network Security, ACNS 2011
Country/Territory	Spain
City	Nerja
Period	7/06/11 → 10/06/11

Keywords

Adaptive Security
Broadcast Encryption
Security Models

Access to Document

10.1007/978-3-642-21554-4_22

Cite this

Phan, D. H., Pointcheval, D., & Strefler, M. (2011). Security notions for broadcast encryption. In Applied Cryptography and Network Security - 9th International Conference, ACNS 2011, Proceedings (pp. 377-394). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 6715 LNCS). https://doi.org/10.1007/978-3-642-21554-4_22

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title = "Security notions for broadcast encryption",

abstract = "This paper clarifies the relationships between security notions for broadcast encryption. In the past, each new scheme came with its own definition of security, which makes them hard to compare. We thus define a set of notions, as done for signature and encryption, for which we prove implications and separations, and relate the existing notions to the ones in our framework. We find some interesting relationships between the various notions, especially in the way they define the receiver set of the challenge message. In addition, we define a security notion that is stronger than all previous ones, and give an example of a scheme that fulfills this notion.",

keywords = "Adaptive Security, Broadcast Encryption, Security Models",

author = "Phan, \{Duong Hieu\} and David Pointcheval and Mario Strefler",

year = "2011",

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note = "9th International Conference on Applied Cryptography and Network Security, ACNS 2011 ; Conference date: 07-06-2011 Through 10-06-2011",

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Phan, DH, Pointcheval, D & Strefler, M 2011, Security notions for broadcast encryption. in Applied Cryptography and Network Security - 9th International Conference, ACNS 2011, Proceedings. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), vol. 6715 LNCS, pp. 377-394, 9th International Conference on Applied Cryptography and Network Security, ACNS 2011, Nerja, Spain, 7/06/11. https://doi.org/10.1007/978-3-642-21554-4_22

Security notions for broadcast encryption. / Phan, Duong Hieu; Pointcheval, David; Strefler, Mario.
Applied Cryptography and Network Security - 9th International Conference, ACNS 2011, Proceedings. 2011. p. 377-394 (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 6715 LNCS).

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

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N2 - This paper clarifies the relationships between security notions for broadcast encryption. In the past, each new scheme came with its own definition of security, which makes them hard to compare. We thus define a set of notions, as done for signature and encryption, for which we prove implications and separations, and relate the existing notions to the ones in our framework. We find some interesting relationships between the various notions, especially in the way they define the receiver set of the challenge message. In addition, we define a security notion that is stronger than all previous ones, and give an example of a scheme that fulfills this notion.

AB - This paper clarifies the relationships between security notions for broadcast encryption. In the past, each new scheme came with its own definition of security, which makes them hard to compare. We thus define a set of notions, as done for signature and encryption, for which we prove implications and separations, and relate the existing notions to the ones in our framework. We find some interesting relationships between the various notions, especially in the way they define the receiver set of the challenge message. In addition, we define a security notion that is stronger than all previous ones, and give an example of a scheme that fulfills this notion.

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KW - Security Models

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Security notions for broadcast encryption

Abstract

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Keywords

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Cite this