Hierarchical abe
However, most of ABE schemes neither provide efficient encryption and decryption mechanisms nor offer flexible and efficient key delegation and user revocation approaches. In this paper, to address these issues, we propose a lightweight revocable hierarchical ABE (LW-RHABE) scheme. Web8 de mar. de 2024 · 5. Architecture of Blockchain Based Hierarchical Access Control Scheme with CP-ABE Using ECC (BHACS-CP-ABE-ECC) Certificate authority (CA), …
Hierarchical abe
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Web21 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 ...
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. Web24 de jan. de 2024 · Cite this lesson. Hierarchical structures involve chains of command, typically overseeing employees vertically, whereas adaptive models incorporate more …
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 … 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 traditional CP-ABE. In the ciphertext-policy attribute based encryption (CPABE) scheme, a private key holder is related with a set of attributes while the data is encrypted under an …
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.
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 … csi woolworthsWeb9 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 … eagle inspectionWeb5 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 … eagle in shonaWeb20 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 … eagle in otrWebThe 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 ... csi woodland hillsWeb9 de mai. de 2024 · In this paper, we propose an attribute-based hierarchical encryption scheme with extendable policy, called Extendable Hierarchical Ciphertext-Policy … eagle inspection companyWeb14 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 … csi workforce