Hierarchical abe

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August undefined, 2024

Web10 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 … 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.

RS-HABE: Revocable-Storage and Hierarchical Attribute

Web14 de out. de 2011 · Cloud computing has emerged as one of the most influential paradigms in the IT industry in recent years. Since this new computing technology requires users to entrust their valuable data to cloud providers, there have been increasing security and privacy concerns on outsourced data. Several schemes employing attribute-based … 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 … fi weasel\\u0027s

Extended File Hierarchy Access Control Scheme with Attribute …

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 … Webhierarchical: [adjective] of, relating to, or arranged in a hierarchy. 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 … fi weakness\u0027s

An efficient attribute-based hierarchical data access

Enhanced hierarchical attribute based encryption with ... - Springer

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. WebThe 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 … fiwe advanceWeb1 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 … fi weasel\u0027s

"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. " - Hierarchical abe

Hierarchical abe

HD-MAABE: Hierarchical Distributed Multi-Authority Attribute

Web9 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. … 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 ...

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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 … Web1 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. …

Web1 de jan. de 2024 · In this paper, we propose an attribute-based hierarchical encryption scheme with extendable policy, called Extendable Hierarchical Ciphertext-Policy … Web24 de jan. de 2024 · Cite this lesson. Hierarchical structures involve chains of command, typically overseeing employees vertically, whereas adaptive models incorporate more …

Web3 de jan. de 2024 · 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-200 as carbon precursors. It is found 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 being criticized for its high scheme overhead as extensive pairing operations are usually required. In this paper, we focus on improving the efficiency of ABE by leveraging a …

Web1 de jun. de 2013 · Wan et al. [28] proposed hierarchical ABE scheme. Later, Zou [29] gave a hierarchical ABE scheme, while the length of secret key is linear with the order …

Web9 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 … can kidney infection affect gfrWeb1 de mai. de 2024 · Hierarchical-authority attribute-based encryption (HABE) can resolve the performance bottleneck of the key generation center in the traditional attribute-based encryption (ABE) system. HABE has numerous applications, such as cloud computing and smart grid systems. can kidney infection cause gasWeb31 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 … fi weathercock\u0027sWebAttribute-based encryption (ABE) has been envisioned as a promising cryptographic primitive for realizing secure and flexible access control. However, ABE is being … can kidney function go up and downWeb19 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 … fi wealth scottsdaleWebThis 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 … fiwebWeb19 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 … can kidney infection cause body aches