Hierarchical attribute-based encryption

Author: ojni

August undefined, 2024

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 ... 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 …

CVPR2024_玖138的博客-CSDN博客

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 … WebAttribute-based encryption is a generalisation of public-key encryption which enables fine grained access control of encrypted data using authorisation policies.The secret key of a … how do i print from google books

A Study on Vehicle Monitoring Service Using Attribute-Based …

Webaccess 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 ... Webconstruction 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. Web1 de jun. de 2013 · According to the relation of an attribute set and its subset, the author presents a hierarchical attribute-based encryption scheme in which a secret key is … how do i print from file explorer

Fully Secure Functional Encryption: Attribute-Based Encryption …

Attribute-based encryption - Wikipedia

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. 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 ... how do i print from goodnotesWeb1 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 … how do i print from an iphone

"WebHierarchical Multi-Authority and Attribute-Based Encryption Friend Discovery Scheme in Mobile Social Networks [J]. Entao Luo, Qin Liu, Guojun Wang IEEE communications letters . 2016 ,第9期 " - Hierarchical attribute-based encryption

Hierarchical attribute-based encryption

HASBE: A Hierarchical Attribute-Based Solution for Flexible and ...

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-ABE) system, and then making a performance-expressivity tradeoff, finally applying proxy re-encryption and lazy re-encryption to our scheme. 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 ...

Did you know?

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 … 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 …

Web14 de out. de 2011 · We formally prove the security of HASBE based on security of the ciphertext-policy attribute-based encryption (CP-ABE) scheme by Bethencourt and analyze its performance and computational complexity. We implement our scheme and show that it is both efficient and flexible in dealing with access control for outsourced … Web3 de nov. de 2024 · Anonymous Electronic Health Record Sharing Scheme Based on Decentralized Hierarchical Attribute-Based Encryption in Cloud Environment …

Web9 de mai. de 2024 · Attribute-based encryption scheme is a promising mechanism to realize one-to-many fine-grained access control which strengthens the security in cloud … 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 …

WebWe present two fully secure functional encryption schemes: a fully secure attribute-based encryption (ABE) scheme and a fully secure (attribute-hiding) predicate encryption …

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 … how do i print from apple newsWeb30 de mai. de 2010 · DOI: 10.1007/978-3-642-13190-5_4 Corpus ID: 833827; Fully Secure Functional Encryption: Attribute-Based Encryption and (Hierarchical) Inner Product Encryption @inproceedings{Bishop2010FullySF, title={Fully Secure Functional Encryption: Attribute-Based Encryption and (Hierarchical) Inner Product … how do i print from icloud pagesWeb1.1 Attribute-Based Encryption We are particularly interested in attribute-based encryption as a special case of functional encryption because it provides a functionality that can be very useful in practice. For example, a police force could use an ABE system to encrypt documents under policies like “Internal Aﬀairs OR (Undercover AND how much money do you get in the game of lifeWebThe Hierarchical Attribute Set Based Encryption (HASBE) is proposed to develop a new security feature for various organizational platforms that is implemented using cipher text policy by encrypting and decrypting the data in the cloud so that the cloud system becomes more scalable and flexible. At present cloud computing is going to be very famous … how much money do you get in monopoly ukWeb10 de ago. de 2014 · Attribute-based encryption (ABE) [26] is a cryptographic primitive which provides fine-grained access control over the outsourced ciphertexts (quite … how much money do you get on maternity leaveWebIn 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 … how much money do you get in the time chamberWebAttribute-based encryption is a generalisation of public-key encryption which enables fine grained access control of encrypted data using authorisation policies.The secret key of a user and the ciphertext are dependent upon attributes (e.g. their email address, the country in which they live, or the kind of subscription they have). In such a system, the decryption … how do i print from iphone