Fully CCA2 secure identity-based broadcast encryption with black-box accountable authority

Zhao, Xingwen; Zhang, Fangguo

doi:10.1016/j.jss.2011.09.045

Cited by 18 publications

(4 citation statements)

References 12 publications

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“…Before providing the proposed generic construction, we will briefly review the definition of IBBE and PEKS first.…”

Section: Generic Constructionmentioning

confidence: 99%

Enabling efficient and secure data sharing in cloud computing

Liu

et al. 2013

Concurrency and Computation

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SUMMARYWith the rapid development of cloud computing, more and more data are being centralized into remote cloud server for sharing, which raises a challenge on how to keep them both private and accessible. Although searchable encryption provides an efficient solution to support keyword‐based search directly on encrypted data, considering its application in file sharing, existing work depends on key sharing among authorized users, which inevitably causes the risks of key exposure and abuse. In this paper, aiming at enabling efficient and secure data sharing in cloud computing, we provide a generic construction for this purpose. The proposed construction is full‐featured: (i) It enables authorized users to perform keyword‐based search directly on encrypted data without sharing the unique secret key; and (ii) it provides two‐layered access control to limit unauthorized user's access to the shared data. On the basis of the proposed generic construction, we utilize the existing techniques on identity‐based broadcast encryption and public key searchable encryption to instantiate a concrete construction. Copyright © 2013 John Wiley & Sons, Ltd.

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“…Before providing the proposed generic construction, we will briefly review the definition of IBBE and PEKS first.…”

Section: Generic Constructionmentioning

confidence: 99%

Enabling efficient and secure data sharing in cloud computing

Liu

et al. 2013

Concurrency and Computation

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“…primitive and is a technology that can deliver the same message to multiple recipients with single encryption. MRE has been conducted in various studies based on the form of designating multiple recipients using their public keys by taking advantage of IBC, as shown in Figures 3 and 4 [7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22]. However, in the MRE method, an issue of identifying the recipient has been raised.…”

Section: Multireceiver Encryption Mre Is a Cryptographicmentioning

confidence: 99%

Data Distribution for Multiple Receivers in a Connected Car Environment Using 5G Communication

Kim

Seo

Kim

et al. 2021

Security and Communication Networks

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The development of communication technology has brought changes to various environments. The evolution from 3G to 4G Long-Term Evolution (LTE) was mainly aimed at improving communication speed. However, the evolution from 4G LTE to 5G New Radio (NR) is not aimed at improving speed alone. In addition to the existing communication types, 5G aims to improve communication to support the Internet of Things (IoT), media, and complex content to which things are connected. In such environments, point-to-point communication has a very inefficient structure to allow content providers to transmit data to many content users. In the 5G era, content providers must distribute content to numerous users, and in this process, they need to protect the content. Multireceiver encryption (MRE) is an encryption technology developed for this purpose. MRE allows multiple recipients to decrypt data using their own private key with single encryption of a data provider. With this technology, even if the number of data recipients is 100,000 or 1,000,000, data can be distributed with single encryption. Therefore, while using the existing 1 : 1 encryption method, it is possible to solve the problem of inefficiency in performing encryption for each recipient. However, existing proposed MREs can cause key escrow problems and partial key verification problems. Furthermore, the privacy issues identifying the recipient may arise because anonymity is not available to the recipient. In addition, it is necessary to ensure a fair decryption process for all recipients which a legitimate user cannot decrypt. In this study, we attempted to address these problems, and through our model, it is possible to distribute the data more securely and efficiently in a 5G environment.

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“…As defined above, N represents the maximum size of set for intended receivers, while n represents the size of current set for intended receivers, ≤ n N . The PKBE/IBBE schemes in [26,[28][29][30]35] adopted prime order bilinear groups. For prime order bilinear groups, P 1 denotes bilinear pairing operation, E 1 and M 1 respectively denote exponentiation and multiplication operation in  , while E 2 and M 2 respectively denote exponentiation and multiplication operation in T  .…”

Section: Conversion From Cpa To Cca2mentioning

confidence: 99%

“…Otherwise, the competitors may take advantage of these revealed identities for precision advertising or attracting customers. However, in general PKBE/IBBE schemes [26][27][28][29][30][31], the set of intended receivers' identities is usually deemed as a default part when outputting broadcast ciphertext. Then in the decryption phase, each user should first examine whether he/she is authorized to decrypt according to the target receiver set.…”

Section: Introductionmentioning

confidence: 99%

Adaptively Secure Anonymous Identity-based Broadcast Encryption for Data Access Control in Cloud Storage Service

2019

KSII TIIS

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Cloud computing is now a widespread and economical option when data owners need to outsource or share their data. Designing secure and efficient data access control mechanism is one of the most challenging issues in cloud storage service. Anonymous broadcast encryption is a promising solution for its advantages in the respects of computation cost and communication overload. We bring forward an efficient anonymous identity-based broadcast encryption construction combined its application to the data access control mechanism in cloud storage service. The lengths for public parameters, user private key and ciphertext in the proposed scheme are all constant. Compared with the existing schemes, in terms of encrypting and decrypting computation cost, the construction of our scheme is more efficient. Furthermore, the proposed scheme is proved to achieve adaptive security against chosen-ciphertext attack adversaries in the standard model. Therefore, the proposed scheme is feasible for the system of data access control in cloud storage service. . His research interests include cryptography and information security, cloud computing security, wireless security and trusted computing etc. He has published over 150 research papers in refereed international conferences and journals. His work has been cited more than 3000 times at Google Scholar. He has served as program committee member in over 30 international conferences and served as the reviewers in over 90 international journals and conferences. . Her research interests include cryptography, network security. She has published over 30 research papers in refereed international conferences and journals.

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Fully CCA2 secure identity-based broadcast encryption with black-box accountable authority

Cited by 18 publications

References 12 publications

Enabling efficient and secure data sharing in cloud computing

Enabling efficient and secure data sharing in cloud computing

Data Distribution for Multiple Receivers in a Connected Car Environment Using 5G Communication

Adaptively Secure Anonymous Identity-based Broadcast Encryption for Data Access Control in Cloud Storage Service

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