Results 11 to 20 of about 249,662 (220)
An Outsourced Attribute-Based Encryption Scheme Supporting Attribute Revocation [PDF]
Jisuanji gongcheng, 2017 Traditional Ciphertext-Policy Attribute-Based Encryption(CP-ABE) schemes have large computational overhead in key generation,decryption and attribute revocation processes.Aiming at this problem,this paper proposes an outsourced CP-ABE scheme which ...
LIU Zhusong,PENG Jiapeng
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Attribute-based encryption scheme supporting attribute revocation in cloud storage environment [PDF]
Tongxin xuebao, 2019 Attribute-based encryption (ABE) scheme is widely used in the cloud storage due to its fine-grained access control.Each attribute in ABE may be shared by multiple users at the same time.Therefore,how to achieve attribute-level user revocation is ...
Lei SUN +3 more
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Attribute-based authenticated key agreement protocol supporting revocation [PDF]
Tongxin xuebao, 2014 Revocation is a crucial issue for the practical use of attribute-based authenticated key agreement (ABAKA) protocols. A new ABAKA protocol supporting revocation was proposed.
Qiang LI, Deng-guo FENG, Li-wu ZHANG
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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
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Instant certificate revocation and publication using WebDAV [PDF]
, 2010 There are several problems associated with the current ways that certificates are published and revoked. This paper discusses these problems, and then proposes a solution based on the use of WebDAV, an enhancement to the HTTP protocol.
Antony, Sean +2 more
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Revocable Ciphertext-Policy Attribute-Based Encryption in Data Outsourcing Systems from Lattices
Jisuanji kexue yu tansuo, 2020 Attribute-based encryption mechanism is widely used in outsourcing environment because of its charac-teristics of “one-to-many” communication. However, users attributes often change dynamically.
YU Jinxia, YANG Chaochao, ZHANG Qichao, YAN Xixi
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IEEE Access, 2020 With the advancement of information and communication technology (ICT), the medical sector is undergoing a massive transformation. Health records are being digitized, stored remotely in the cloud and shared with different stakeholders.
Kennedy Edemacu +2 more
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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
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Attribute-based revocable collaborative access control scheme
Tongxin xuebao, 2021 To solve the dynamic update of access rights in attribute-based collaborative access control, a novel scheme was proposed with the revocation of attribute, user and collaborative policy.A formal definition and a security model were presented, the group ...
Changgen PENG +4 more
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Revocable Attribute-Based Encryption Scheme Assisted by Edge and Cloud [PDF]
Jisuanji gongchengUploading data from Internet of Things (IoT) devices to the cloud has become a mainstream data management solution. However, cloud-based data management is associated with security risks.
ZHANG Weihang, ZHONG Yongyan, XIANG Yuanzhu, DING Shichan
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