Hierarchical abe

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Web17 de mar. de 2024 · 2.1 Hierarchical attribute based encryption scheme. The Hierarchical ABE scheme splits the data presentation into different levels, and for each level a separate key has been specified by the data owner. The details of presentation and the key have been stored in the semantic ontology. Web1 de jul. de 2024 · We employ a full delegation mechanism based hierarchical ABE (HABE), which contains a central authority and a number of independent domains. Each domain has a domain authority that requests a secret parameter from the higher level authority and generates attribute secret keys for its domain user, and the secret …

Enhancing Attribute-Based Encryption with Attribute Hierarchy

Web29 de mar. de 2002 · A series of liquid crystalline (LC) homopolymers of poly{11-[4-(4-butylphenylazo)phenoxy]undecyl methacrylate}containing an azobenzene mesogen with different degrees of polymerization were synthesized by using the atom transfer radical polymerization (ATRP) method. The homopolymers were prepared with a range of … Web31 de jul. de 2024 · Attribute-based encryption enables fine-grained control of encrypted data [SW05]. In a ciphertext-policy ABE (CP-ABE) scheme [GPSW06], for instance, ciphertexts are attached to access policies and keys are associated with sets of attributes. A key is able to recover the message hidden in a ciphertext if and only if the set of … sharks in myrtle beach 2022

Multiauthority Attribute-Based Encryption with Traceable and

Web20 de dez. de 2024 · ABE technique [] is an access control technique to encrypt data in one-to-many encryption formats.It is used for sharing the data in a controlled manner in realistic scenarios. The centralized approaches [3, 4, 12] allow the single key generation center to issue user’s secret key and thus prone to single point of failure.Distributing the task of … WebFor the visual expression of the hierarchical differences of body composition, fat mass index and fat-free mass index of the wrestlers in various leagues were plotted on a body … sharks in myrtle beach sc today

Enhancing Attribute-Based Encryption with Attribute Hierarchy

Efficient Hierarchical and Time-Sensitive Data Sharing with User ...

WebThis paper proposes a hierarchical and time- sensitive CP-ABE scheme, named HTR-DAC, which is characteristics of time-sensitive data access control with scalability, revocability, and high efficiency, and designs a robust revocable mechanism to achieve direct user revocation in this scheme. Recently, cloud-based mobile crowdsensing … Web19 de mar. de 2024 · The hard-template method belongs to an effective route for preparing porous carbon materials with ideal hierarchical pores. In this work, a kind of hierarchical porous carbon (HPC) with high gravimetric and volumetric capacitance is fabricated by the use of Al–Cu double hydroxides (Al–Cu DHs) as hard templates and polyethylene glycol … sharks in northern californiaWebThe CP-HABE scheme is proved to be secure under the decisional q-parallel bilinear Diffie-Hellman exponent assumption, which can be considered as the generalization of the … popular uk house plants

"Web5 de jan. de 2016 · The term of HABE appears in several recent schemes in different senses. In 2011, the notion of hierarchical ABE (HABE) was put forward, after which a lot of schemes [4–6] based on HABE are proposed. Recently, a new HABE scheme in has been proposed which aims mainly to solve delegation problems. " - Hierarchical abe

Hierarchical abe

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Web12 de mar. de 2024 · Abstract: In cloud computing, attribute based encryption (ABE) is often used to solve the challenging issue in secure data storage. In order to lighten the burden … WebIn this paper, we investigate this challenge and propose a hierarchical and time-sensitive CP-ABE scheme, named HTR-DAC, which is characteristics of time-sensitive data access control with scalability, revocability, and high efficiency. Particularly, we propose a time-sensitive CP-ABE for hierarchical structured users with recursive attribute sets.

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Web5 de dez. de 2024 · Security issues in cloud computing have become a hot topic in academia and industry, and CP-ABE is an effective solution for managing and protecting … WebAbe Crystal University of North Carolina at Chapel Hill Beth Ellington University of North Carolina at Chapel Hill Follow this and additional works at: ... Hierarchical Task Analysis (HTA) was introduced by Annett and Duncan (1967) to …

Web26 de fev. de 2024 · Ciphertext policy attribute-based encryption (CP-ABE) is an encryption mechanism that can provide fine-grained access control and adequate cloud storage security for Internet of Things (IoTs). In this field, the original CP-ABE scheme usually has only a single trusted authority, which will become a bottleneck in IoTs. In … WebThe means of body weight, BMI and %fat for Sumo wrestlers were 117.1 kg, 36.5 and 26.2%, extraordinarily large compared with untrained men (p < 0.001). Results of the analysis of variance of divisions of Sumo wrestlers revealed significant differences in body weight, fat-free mass, fat mass, BMI, fat-free mass index (FFM/height2) and fat mass ...

Web7 de abr. de 2010 · Attribute-based encryption (ABE) has been envisioned as a promising cryptographic primitive for realizing secure and flexible access control. However, ABE is … WebChange Management. Trying to optimize a large hierarchical company to react to changes, opportunities and threats is like trying to turn the Titanic -- it can be done, but expect the …

Web10 de mar. de 2024 · Advantages of hierarchical structure. Benefits an organization may reap from implementing a hierarchical structure include: 1. Clearly defined career path …

Web1 de dez. de 2014 · Deng et al. [7] elaborate on ABE and propose a new versatile cryptosystem referred to as ciphertext-policy hierarchical ABE. Wang et al. [8] ... popular uk chocolate barsWeb19 de mar. de 2024 · The hard-template method belongs to an effective route for preparing porous carbon materials with ideal hierarchical pores. In this work, a kind of … popular undergraduate majors for law schoolWeb9 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 throughout the … sharks in new hampshireWeb9 de nov. de 2016 · A partial hierarchy. Using 1, "Hierarchical access control" as a term used with encryption implies that some users have more decryption power than others. Especially in access control modelling, hierarchy is usually "strict". This means that if A > B (A is "higher", and has "more" decryption power than B) then A can decrypt everything B … sharks in north carolinaWeb1 de jan. de 2024 · A new ABA C model, entitled Hierarchical Group and Attribute-Based Access Control (HGABA C), is introduced which adds user and object groups to ABA C. … sharks in north carolina coastWeb10 de ago. de 2014 · ABE promises to deliver fine-grained access control of encrypted data. However, when data are encrypted using an ABE scheme, key management is difficult if … sharks in new jerseyWeb21 de out. de 2024 · Request PDF RS-HABE: Revocable-Storage and Hierarchical Attribute-Based Access Scheme for Secure Sharing of e-Health Records in Public Cloud Personal electronic health records (EHR) enable ... sharks in nova scotia waters