Ciphertext-Policy Attribute-Based Broadcast Encryption Scheme

Muhammad Asim, L. Ibraimi, M. Petkovic

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

3 Citations (Scopus)

Abstract

In this work, we design a new attribute-based encryption scheme with the revocation capability. In the proposed schemes, the user (broadcaster) encrypts the data according to an access policy over the set of attributes, and a list of the identities of revoked users. Only recipients who have attributes which satisfy the access policy and whose identity is not in the list of revoked users will be able to decrypt the message.The proposed scheme can be used for revocation of up to t users. The complexity of proposed schemes is dependent on the number of revoked users r, rather than on the total number n of users in the system. The security of the scheme has been proved under the Decisional Bilinear Diffie-Hellman (DBDH) assumption.
Original languageUndefined
Title of host publicationProceedings of the 12th IFIP TC 6 / TC 11 International Conference on Communications and Multimedia Security (CMS 2011)
Place of PublicationBerlin
PublisherSpringer
Pages244-246
Number of pages3
ISBN (Print)978-3-642-24711-8
DOIs
Publication statusPublished - Oct 2011

Publication series

NameLecture Notes in Computer Science
PublisherSpringer Verlag
Volume7025
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Keywords

  • IR-78920
  • METIS-281621
  • Attribute
  • EWI-20944
  • Ciphertext
  • Encryption
  • Broadcast

Cite this

Asim, M., Ibraimi, L., & Petkovic, M. (2011). Ciphertext-Policy Attribute-Based Broadcast Encryption Scheme. In Proceedings of the 12th IFIP TC 6 / TC 11 International Conference on Communications and Multimedia Security (CMS 2011) (pp. 244-246). (Lecture Notes in Computer Science; Vol. 7025). Berlin: Springer. https://doi.org/10.1007/978-3-642-24712-5_25