Survey on Revocation in Ciphertext-Policy Attribute-Based Encryption. [PDF]
Sensors (Basel), 2019 Recently, using advanced cryptographic techniques to process, store, and share data securely in an untrusted cloud environment has drawn widespread attention from academic researchers.
Al-Dahhan RR, Shi Q, Lee GM, Kifayat K.
europepmc +8 more sources
An enhanced media ciphertext-policy attribute-based encryption algorithm on media cloud
International Journal of Distributed Sensor Networks, 2020 With the development of cloud computing, more and more video services are moving to the cloud. How to realize fine-grained access control of those data on cloud becomes an urgent problem. Attribute-based encryption provides a solution.
Hao Li +3 more
doaj +2 more sources
Traceable and undeniable ciphertext-policy attribute-based encryption for cloud storage service
International Journal of Distributed Sensor Networks, 2019 Ciphertext-policy attribute-based encryption is a promising mechanism with fine-grained access control for cloud storage system. However, there is a long-lasting problem of key abuse that a user may share its decryption key and a semi-honest authority ...
Gang Yu, Zhenfu Cao, Yongjuan Wang
exaly +2 more sources
Lazy-mode Ciphertext-update Based Approach for CP-ABE Attribute Change [PDF]
Jisuanji kexue, 2022 Ciphertext-policy attribute-based encryption(CP-ABE) can be used to realize secure data sharing in cloud computing environments.However,user attribute change(attribute revocation and addition) in CP-ABE is a tricky problem.Generally,attribute change is ...
LEI Xue-jiao, WANG Yin-long, Nurmamat HELIL
doaj +1 more source
Fine Grained and Efficient Searchable Encryption Scheme Based on Attribute Policy Hiding inCloud Environment [PDF]
Jisuanji kexue, 2023 Attribute based encryption provides flexible and fine-grained access control for outsourced data stored in the cloud.The traditional attribute based ciphertext policy encryption scheme(CP-ABE),whose access policy often appears in the form of plaintext,is
ZHOU Yihua, LI Meiqi, HU Xinyu, YANG Yuguang
doaj +1 more source
Multi-authority based CP-ABE proxy re-encryption scheme for cloud computing
网络与信息安全学报, 2022 Proxy re-encryption allows a proxy to convert a ciphertext related to a certain access policy into another one with a different access policy without uncovering the underlying plaintext, which makes the proxy re-encryption technology to be an important ...
Shang LIU, Yinzhang GUO
doaj +3 more sources
Searchable and revocable multi-data owner attribute-based encryption scheme with hidden policy in cloud storage. [PDF]
PLoS ONE, 2018 With the development of outsourcing data services, data security has become an urgent problem that needs to be solved. Attribute-based encryption is a valid solution to data security in cloud storage.
Shangping Wang +2 more
doaj +1 more source
A keyword searchable attribute-based encryption scheme with attribute update for cloud storage. [PDF]
PLoS ONE, 2018 Ciphertext-policy attribute-based encryption (CP-ABE) scheme is a new type of data encryption primitive, which is very suitable for data cloud storage for its fine-grained access control.
Shangping Wang, Jian Ye, Yaling Zhang
doaj +1 more source
CP-ABE Scheme with Attribute Revocation Under Environment of Multi-attribute Authority [PDF]
Jisuanji gongcheng, 2018 For the attribute-based encryption scheme,a single authority has the problem of low efficiency and easy disclosure of user keys.Through the establishment of a decentralized attribute authority and agent reencryption technology,a Ciphertext-policy ...
ZHANG Yulei,LIU Wenjing,MA Yanli,WANG Caifen
doaj +1 more source
Two-Factor Data Access Control With Efficient Revocation for Multi-Authority Cloud Storage Systems
IEEE Access, 2017 Attribute-based encryption, especially for ciphertext-policy attribute-based encryption, can fulfill the functionality of fine-grained access control in cloud storage systems. Since users' attributes may be issued by multiple attribute authorities, multi-
Xiaoyu Li +4 more
doaj +1 more source