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Attribute-based encryption (ABE) is a promising cryptographic mechanism for providing confidentiality and fine-grained access control in the cloud-based area. However, due to high computational overhead, common ABE schemes are not suitable…

Cryptography and Security · Computer Science 2021-07-22 Mostafa Chegenizadeh , Mohammad Ali , Javad Mohajeri , Mohammad Reza Aref

In this paper, we present a novel ciphertext-policy attribute based encryption (CP-ABE) scheme that offers a flexible access structure. Our proposed scheme incorporates an access tree as its access control policy, enabling fine-grained…

Cryptography and Security · Computer Science 2024-01-26 Shida Shamsazad

A revocable-storage attribute-based encryption (RS-ABE) scheme is an encryption scheme which extends attribute-based encryption by intro- ducing user revocation. A key-policy RS-ABE scheme links each key to an access structure. We propose a…

Cryptography and Security · Computer Science 2019-04-26 Federico Giacon , Riccardo Aragona , Massimiliano Sala

Attribute-based encryption (ABE) is a promising tool for implementing fine-grained access control.To solve the matters of security in single authority, access policy public, not traceable of malicious user,we proposed a scheme of…

Cryptography and Security · Computer Science 2020-09-11 Wei Zhang , Yi Wu , Zhishuog Zhang , Hu Xiong , Zhiguang Qin

Attribute-Based Encryption (ABE) has emerged as an information-centric public-key cryptographic system which allows a data owner to share data, according to access policy, with multiple data users based on the attributes they possess,…

Cryptography and Security · Computer Science 2020-02-12 Ehsan Meamari , Hao Guo , Chien-Chung Shen , Rui Zhang

Attribute-based encryption is a form of encryption which offers the capacity to encrypt data such that it is only accessible to individuals holding a satisfactory configuration of attributes. As cloud and distributed computing become more…

Cryptography and Security · Computer Science 2017-05-18 Aubrey Alston

In Ciphertext-Policy Attribute Based Encryption (CP-ABE), attributes are attached to the user's secret key and access policy is at-tached to the ciphertext. If attributes in the secret key of a user satisfy the policy then only the genuine…

Cryptography and Security · Computer Science 2012-09-26 Nishant Doshi , Devesh Jinwala

Data encryption limits the power and efficiency of queries. Direct processing of encrypted data should ideally be possible to avoid the need for data decryption, processing, and re-encryption. It is vital to keep the data searchable and…

Cryptography and Security · Computer Science 2022-10-03 Maryam Almarwani , Boris Konev , Alexei Lisitsa

Decentralized data sovereignty and secure data exchange are regarded as foundational pillars of the new era. Attribute-based encryption (ABE) is a promising solution that enables fine-grained access control in data sharing. Recently,…

Cryptography and Security · Computer Science 2025-07-08 Dongliang Cai , Liang Zhang , Borui Chen , Haibin Kan

As more sensitive data is shared and stored by third-party sites on the internet, there will be a need to encrypt data stored at these sites. One drawback of encrypting data is that it can be selectively shared only at a coarse-grained…

Cryptography and Security · Computer Science 2014-07-15 Charan Kumar , Dinesh Kumar , Arun Kumar Reddy

Bilinear groups are often used to create Attribute-Based Encryption (ABE) algorithms. In particular, they have been used to create an ABE system with multi authorities, but limited to the ciphertext-policy instance. Here, for the first…

Cryptography and Security · Computer Science 2016-04-01 Riccardo Longo , Chiara Marcolla , Massimiliano Sala

A Quantum Ciphertext-Policy Attribute-Based Encryption scheme (QCP-ABE) has been presented. In classical domain, most of the popular ABE schemes are based on the hardness of the Bilinear Diffie-Hellman Exponent problem, which has been…

Quantum Physics · Physics 2022-03-22 Asmita Samanta , Arpita Maitra , Shion Samadder Chaudhury

This paper presents a hybrid blockchain-edge architecture for managing Electronic Health Records (EHRs) with attribute-based cryptographic mechanisms. The architecture introduces a novel attribute-based signature aggregation (ABSA) scheme…

Cryptography and Security · Computer Science 2023-06-01 Hao Guo , Wanxin Li , Mark Nejad , Chien-Chung Shen

Attribute-based encryption (ABE) which allows users to encrypt and decrypt messages based on user attributes is a type of one-to-many encryption. Unlike the conventional one-to-one encryption which has no intention to exclude any partners…

Cryptography and Security · Computer Science 2014-08-22 Zhengjun Cao , Lihua Liu

Secure distributed storage, which is a rising cloud administration, is planned to guarantee the mystery of re-appropriated data yet also to give versatile data access to cloud customers whose data is out of physical control.…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-05-01 Sarath Pathari

In today's digital age, personal data is constantly at risk of compromise. Attribute-Based Encryption (ABE) has emerged as a promising approach to privacy-preserving data protection. This paper proposes an anonymous authentication mechanism…

Cryptography and Security · Computer Science 2025-06-18 Nouha Oualha

In Ciphertext Policy Attribute based Encryption scheme, the encryptor can fix the policy, who can decrypt the encrypted message. The policy can be formed with the help of attributes. In CP-ABE, access policy is sent along with the…

Cryptography and Security · Computer Science 2010-11-03 A. Balu , K. Kuppusamy

Modern computing environments demand robust security measures to protect sensitive data and resources. Ciphertext-Policy Attribute-Based Encryption (CP-ABE) is a well-established encryption technique known for its fine-grained access…

Cryptography and Security · Computer Science 2024-09-12 Vivek Suryawanshi , Shamik Sural

In a traditional cloud storage system, users benefit from the convenience it provides but also take the risk of certain security and privacy issues. To ensure confidentiality while maintaining data sharing capabilities, the…

Cryptography and Security · Computer Science 2023-09-11 Jingchi Zhang , Anwitaman Datta

This study proposes a mechanism for encrypting SD-JWT (Selective Disclosure JSON Web Token) Disclosures using Attribute-Based Encryption (ABE) to enable flexible access control on the basis of the Verifier's attributes. By integrating…

Cryptography and Security · Computer Science 2025-05-15 Shigenori Ohashi
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