An attribute-based anonymous broadcast encryption scheme with adaptive security in the standard model

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Rabaninejad r.; AMERI M.H.; DELAVAR M.; MOHAJERI J.

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Journal Paper

Paper Information

Journal: Scientia Iranica Year:2019 | Volume:26 | Issue:3 (Transactions D: Computer Science and Engineering and Electrical Engineering) Page(s): 1700-1713

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Title

An attribute-based anonymous broadcast encryption scheme with adaptive security in the standard model

Author(s)

Rabaninejad r. | AMERI M.H. | DELAVAR M. | MOHAJERI J. | Issue Writer Certificate

Keywords

Broadcast Encryption

Ciphertext-Policy Attribute-Based Encryption (CP-ABE)

Access Structure

Anonymity

Provable Security

Attack

Abstract

In Broadcast Encryption schemes, a distribution center broadcasts an encrypted message to a subset chosen from a universe of receivers and only the intended users are able to decrypt the message. Most Broadcast Encryption schemes do not provide Anonymity and the identities of target receivers are sent in plaintext. However, in several applications, the authorized users’ identities have the same sensitivity as the broadcasted messages. Yu, Ren and Lou (YRL) considered this issue and introduced an eicient anonymous aribute-based Broadcast Encryption scheme. In this paper, we first propose an aack on the YRL scheme and showthat the unauthorized receivers can also decrypt the broadcasted message. Next, we propose the Improved-YRL scheme and prove that it achieves Anonymity and semantic security under adaptive corruptions in the chosen ciphertext seing. The proof is provided using the dual system encryption technique and is based on three complexity assumptions in composite order bilinear maps. The Improved-YRL scheme is a step forward in solving the long-standing problem of secure and low overhead anonymous Broadcast Encryption.

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APA: Copy

Rabaninejad, r., AMERI, M.H., DELAVAR, M., & MOHAJERI, J.. (2019). An attribute-based anonymous broadcast encryption scheme with adaptive security in the standard model. SCIENTIA IRANICA, 26(3 (Transactions D: Computer Science and Engineering and Electrical Engineering)), 1700-1713. SID. https://sid.ir/paper/290647/en

Vancouver: Copy

Rabaninejad r., AMERI M.H., DELAVAR M., MOHAJERI J.. An attribute-based anonymous broadcast encryption scheme with adaptive security in the standard model. SCIENTIA IRANICA[Internet]. 2019;26(3 (Transactions D: Computer Science and Engineering and Electrical Engineering)):1700-1713. Available from: https://sid.ir/paper/290647/en

IEEE: Copy

r. Rabaninejad, M.H. AMERI, M. DELAVAR, and J. MOHAJERI, “An attribute-based anonymous broadcast encryption scheme with adaptive security in the standard model,” SCIENTIA IRANICA, vol. 26, no. 3 (Transactions D: Computer Science and Engineering and Electrical Engineering), pp. 1700–1713, 2019, [Online]. Available: https://sid.ir/paper/290647/en

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