Identity-based proxy re-encryption

Matthew Green; Giuseppe Ateniese

doi:10.1007/978-3-540-72738-5_19

Identity-based proxy re-encryption

Matthew Green, Giuseppe Ateniese

Department of Computer Science

Johns Hopkins University

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

551 Scopus citations

Abstract

In a proxy re-encryption scheme a semi-trusted proxy converts a ciphertext for Alice into a ciphertext for Bob without seeing the underlying plaintext. A number of solutions have been proposed in the public-key setting. In this paper, we address the problem of Identity-Based proxy re-encryption, where ciphertexts are transformed from one identity to another. Our schemes are compatible with current IBE deployments and do not require any extra work from the IBE trusted-party key generator. In addition, they are non-interactive and one of them permits multiple re-encryptions. Their security is based on a standard assumption (DBDH) in the random oracle model.

Original language	English
Title of host publication	Applied Cryptography and Network Security - 5th International Conference, ACNS 2007, Proceedings
Pages	288-306
Number of pages	19
DOIs	https://doi.org/10.1007/978-3-540-72738-5_19
State	Published - 2007
Event	5th International Conference on Applied Cryptography and Network Security, ACNS 2007 - Zhuhai, China Duration: 5 Jun 2007 → 8 Jun 2007

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

Conference

Conference	5th International Conference on Applied Cryptography and Network Security, ACNS 2007
Country/Territory	China
City	Zhuhai
Period	5/06/07 → 8/06/07

Keywords

Bilinear maps
Identity-based encryption
Proxy re-encryption

Access to Document

10.1007/978-3-540-72738-5_19

Cite this

Green, M., & Ateniese, G. (2007). Identity-based proxy re-encryption. In Applied Cryptography and Network Security - 5th International Conference, ACNS 2007, Proceedings (pp. 288-306). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 4521 LNCS). https://doi.org/10.1007/978-3-540-72738-5_19

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abstract = "In a proxy re-encryption scheme a semi-trusted proxy converts a ciphertext for Alice into a ciphertext for Bob without seeing the underlying plaintext. A number of solutions have been proposed in the public-key setting. In this paper, we address the problem of Identity-Based proxy re-encryption, where ciphertexts are transformed from one identity to another. Our schemes are compatible with current IBE deployments and do not require any extra work from the IBE trusted-party key generator. In addition, they are non-interactive and one of them permits multiple re-encryptions. Their security is based on a standard assumption (DBDH) in the random oracle model.",

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Green, M & Ateniese, G 2007, Identity-based proxy re-encryption. 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, pp. 288-306, 5th International Conference on Applied Cryptography and Network Security, ACNS 2007, Zhuhai, China, 5/06/07. https://doi.org/10.1007/978-3-540-72738-5_19

Identity-based proxy re-encryption. / Green, Matthew; Ateniese, Giuseppe.
Applied Cryptography and Network Security - 5th International Conference, ACNS 2007, Proceedings. 2007. p. 288-306 (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 › peer-review

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Identity-based proxy re-encryption

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