Hierarchical attribute-based encryption

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August undefined, 2024

WebCiphertext-policy attribute-based encryption can provide fine-grained access control and secure data sharing to the data users in cloud computing. However, the … Web4 de out. de 2010 · We achieve this goal by first combining the hierarchical identity-based encryption (HIBE) system and the ciphertext-policy attribute-based encryption (CP …

[android][security]File-Based Encryption文件级加密 - CSDN博客

WebIn the KP-ABE method, a hierarchical attribute-based encryption method was proposed for scalable access control [14,15,16]. In the initial CP-ABE, the size of the ciphertext increases linearly according to the access policy. Therefore, as … Web1.1 Attribute-Based Encryption We are particularly interested in attribute-based encryption as a special case of functional encryption because it provides a functionality … canoes for sale 17 fiberglass

Adaptively Attribute-Hiding (Hierarchical) Inner Product Encryption

WebIn the KP-ABE method, a hierarchical attribute-based encryption method was proposed for scalable access control [14,15,16]. In the initial CP-ABE, the size of the ciphertext … Web20 de out. de 2015 · Abstract: Based on the key-policy attribute-based encryption (KP-ABE), combined with the idea of hierarchical ID-Based encryption (HIBE), a … WebWe present two fully secure functional encryption schemes: a fully secure attribute-based encryption (ABE) scheme and a fully secure (attribute-hiding) predicate encryption … canoes for sale cornwall

A fully distributed hierarchical attribute-based encryption scheme

Hierarchical attribute-based encryption for fine-grained …

WebAttribute-based encryption (ABE) is a vision of public key encryption that allows users to encrypt and decrypt messages based on user attributes. This functionality comes at a cost. In a typical implementation, the size of the ciphertext is proportional to the number of attributes associated with it and the decryption time is proportional to ... Web10 de ago. de 2014 · Attribute-based encryption (ABE) [26] is a cryptographic primitive which provides fine-grained access control over the outsourced ciphertexts (quite … flag heart clipartWeb10 de ago. de 2014 · Attribute-based encryption (ABE) [26] is a cryptographic primitive which provides fine-grained access control over the outsourced ciphertexts (quite … flag heart coloring page

"WebThe adversary is able to obtain some secret information from side channel attacks, which further damages the security for the system. To resolve this issue, we provide a hierarchical identity-based online/offline encryption scheme which resists side ... " - Hierarchical attribute-based encryption

Hierarchical attribute-based encryption

Web17 de nov. de 2024 · By using attribute-based encryption technology, we encrypt shared data and private data hierarchically. Searchable encryption technology is adopted to … WebWith the development of cloud storage technology, data storage security has become increasingly serious. Aiming at the problem that existing attribute-based encryption schemes do not consider hierarchical authorities and the weight of attribute. A hierarchical authority based weighted attribute encryption scheme is proposed.

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Web9 de jul. de 2024 · In this paper, we have proposed a hierarchical multi-authority attribute-based encryption on prime order groups to tackle these problems. Our encryption technique has a polycentric attribute authorization system based on an AND gate access structure, with a unified attribute index established by each attribute authority … Web1 de jul. de 2013 · A basic attribute-based encryption scheme, two various access policy attribute- based encryption schemes, and twoVarious access structures, which are analyzed for cloud environments are surveyed and compared. In Attribute-based Encryption (ABE) scheme, attributes play a very important role. Attributes have been …

Web9 de abr. de 2024 · Currently, attribute-based encryption (ABE) is a promising solution to the above problems . The prototype of attribute-based encryption was first presented in 2005 , where the user’s public key is some role-based descriptive attributes that characterize the identity and user’s private key and ciphertext are also related to attributes. Web1 de nov. de 2024 · In this paper, we propose an attribute matching scheme based on hierarchical blockchain and Ciphertext Policy Attribute-based Encryption (CP-ABE), which can realize attribute matching in semi ...

Web3 de nov. de 2024 · Anonymous Electronic Health Record Sharing Scheme Based on Decentralized Hierarchical Attribute-Based Encryption in Cloud Environment … Web30 de dez. de 2015 · Cloud computing is an Internet-based computing pattern through which shared resources are provided to devices on-demand. It is an emerging but …

Web30 de dez. de 2015 · Cloud computing is an Internet-based computing pattern through which shared resources are provided to devices on-demand. It is an emerging but promising paradigm to integrating mobile devices into cloud computing, and the integration performs in the cloud based hierarchical multi-user data-shared environment. With integrating into …

WebIn this paper, we propose a hierarchical attribute-set-based Encryption (HASBE) scheme for access control in cloud Computing. HASBE extends the cipher text-policy attribute … canoe showWebReference. [LOSTW10] Lewko A, Okamoto T, Sahai A, et al. Fully secure functional encryption: Attribute-based encryption and (hierarchical) inner product encryption [C]//Annual International Conference on the Theory and Applications of Cryptographic Techniques. Springer Berlin Heidelberg, 2010: 62-91. canoe sourcingWebAdaptively Attribute-Hiding (Hierarchical) ... (PE) and attribute-based encryption (ABE) [2, 17, 26, 20, 25, 27, 23]. In FE, there is a relation R(v,x) which determines what a … canoe shaped opal ringWebBlockchain-Aided Hierarchical Attribute-Based Encryption for Data Sharing Jiaxu Ding1, Biwei Yan1,2,3, Guijuan Wang1,2,3(B), Li Zhang1,2,3, Yubing … flag heartWebaccess control systems. In particular, the notion of hierarchical functional encryption generalizes those of hierarchical attribute-based encryption, hierarchical identity-based encryption and more (see the discussion at the end of Section 3 on the delegation capabilities of functional encryption). Ananth et al. formalized a notion of security ... canoe slam sportsWeb1 de jul. de 2013 · Attribute-Based Encryption ABE is a useful cryptographic primitive which enables flexible access policy over ... Takashima, K. and Waters, B. (2010a) 'Fully secure functional encryption: attribute-based encryption and (hierarchical) inner product encryption', CRYPTO'10: 30th International Cryptology Conference, California ... canoe skid plate installationWebconstruction with the delegation property subsumes Hierarchical Identity-Based Encryption 1This contrasts with what we call Ciphertext-Policy Attribute-Based Encryption (CP-ABE), where an access structure (i.e. policy) would be associated to each ciphertext, while a user’s private key would be associated with a set of attributes. canoe shop ireland