Hierarchical attribute-based encryption

Author: ernu

August undefined, 2024

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 … 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 ...

A Provably Secure Ciphertext-Policy Hierarchical Attribute-Based Encryption

Web1 de jan. de 2024 · Ciphertext-policy attribute-based encryption (CP-ABE) is prominent encryption technique to solve the exigent dilemma of secure data sharing in cloud computing. The shared data files generally have the characteristic of multilevel hierarchy, predominantly in the areas of IT companies, healthcare and military; these areas require … WebAdaptively 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 … grace church car show

Attribute-based encryption - Wikipedia

Webhierarchical attribute-based encryption (HABE) model by combining a HIBE system and a CP-ABE system, to pro-vide ﬁne-grained access control and full delegation. Based on … Web1 de mai. de 2024 · Hierarchical attribute based encryption (HABE) is another important attribute based cryptographic primitive which extends ABE with key delegation. When … Web7 de abr. de 2024 · The application of Hierarchical Attribute-Based Encryption (HABE) in IoT-connected healthcare system helps to solve the problem of data sharing with a large … gracechurch card programme funding plc

A traceable and revocable multi-authority attribute-based access ...

A Survey on Attribute-based Encryption Schemes of Access …

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 … WebWith the development of cloud storage technology, data storage security has become increasingly serious. Aiming at the problem that existing attribute-based encryption … grace church catterickWeb1 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 … chili with smoked pork

"WebFully Secure Functional Encryption: Attribute-Based Encryption and (Hierarchical) Inner Product Encryption Allison Lewko University of Texas at Austin [email protected] … " - Hierarchical attribute-based encryption

Hierarchical attribute-based encryption

Anonymous Hierarchical Identity-based Encryption EHR

WebVideo Moment Retrieval via Hierarchical Uncertainty-based Active Learning ... Evading Forensic Classifiers with Attribute-Conditioned Adversarial Faces Fahad Shamshad · Koushik Srivatsan · Karthik Nandakumar RIATIG: Reliable and Imperceptible Adversarial Text-to-Image Generation with Natural Prompts WebHierarchical Multi-Authority and Attribute-Based Encryption Friend Discovery Scheme in Mobile Social Networks [J]. Entao Luo, Qin Liu, Guojun Wang IEEE communications …

Did you know?

WebHASBE: A hierarchical attribute-based solution for flexible and scalable access control in cloud computing. IEEE Trans. Inf. Forens. Sec. 7, 2 (2012), 743--754. Google Scholar Digital Library; Guojun Wang, Qin Liu, Jie Wu, and Minyi Guo. 2011. Hierarchical attribute-based encryption and scalable user revocation for sharing data in cloud servers ... Web30 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 …

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 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 WebA scheme to help the organization to efficiently view and access confidential data on cloud servers by first combining the hierarchical identity-based encryption (HIBE) system and the CP-ABE system, which achieves scalability due to its hierarchical structure, but also inherits flexibility and fine-grained access control in supporting compound attributes of …

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 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 … 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 …

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.

Web25 de jun. de 2013 · Abstract. According to the relation of an attribute set and its subset, the author presents a hierarchical attribute-based encryption scheme in which a … chili with spaghetti noodlesWeb20 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 hierarchical authority key-policy attribute-based encryption (HA-KP-ABE) scheme is presented. The new scheme uses hierarchical multi-authority to distribute private keys to users. It can … chili with spaghetti recipeWeb5 de jan. de 2016 · The attribute-based encryption has been one of hotspots for the advantage of fine-grained access control. In this paper, a provably secure ciphertext-policy hierarchical attribute-based encryption is proposed, which can satisfy the need of attribute hierarchy in attribute-based encryption and overcome the shortage of access … grace church cashiers ncWebAbstract There exists a key escrow issue in ciphertext-policy attribute-based encryption (CP-ABE). ... [23] J, Li, Q, Yu, Y. Zhang, Hierarchical attribute based encryption with continuous leakage-resilience, Inform. Sci. 484 (2024) 113–134. Google Scholar chili with steak recipesWebReference. [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. chili with stew beef recipesWeb8 de abr. de 2024 · Attribute-based encryption (ABE) ... Multi-use unidirectional identity-based proxy re-encryption from hierarchical identity-based encryption. 02-21. At ACNS 2007, Ateniese and Green proposed the concept of ID-based proxy re-encryption (IBPRE), where a semi-trusted proxy with some information ... grace church cathedral charleston youtubeWeb4 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. grace church caversham facebook