Hierarchical abe

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August undefined, 2024

WebHowever, there is no ABE scheme using lattice to construct ABE scheme with attribute hierarchy. In real scenarios, the attributes are not always in the same level, and different attributes have different important degrees in the system. In this paper, we propose a scheme called lattice-based threshold hierarchical ABE (lattice-based t-HABE) in ... Web1 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.

Hierarchical differences in body composition of professional …

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. 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 … birth certificate registration ghana

Attribute-Based Hierarchical Access Control With Extendable …

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 … Web24 de jan. de 2024 · Cite this lesson. Hierarchical structures involve chains of command, typically overseeing employees vertically, whereas adaptive models incorporate more … 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 … daniel ho stanford law school

Hierarchical Definition & Meaning - Merriam-Webster

Hierarchical Structure: Advantages and Disadvantages - Indeed

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 … 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 ... birth certificate queensland australiaWeb1 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] ... daniel houston obituary

"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 … " - Hierarchical abe

Hierarchical abe

Extended File Hierarchy Access Control Scheme with Attribute …

Web1 de jan. de 2024 · In this paper, we propose an attribute-based hierarchical encryption scheme with extendable policy, called Extendable Hierarchical Ciphertext-Policy … 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 …

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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 … 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 …

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. 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 …

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. … 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 …

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 …

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 … daniel howard attorneyWeb12 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 … daniel hotel dead sea official websiteWeb9 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 … birth certificate registration number in psaWeb31 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 … birth certificate registration west bengalWeb29 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 … birth certificate registration number phWeb7 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 … daniel houston lowell maWeb17 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. daniel houghton landscape