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In e-healthcare record systems (EHRS), attribute-based encryption (ABE) appears as a natural way to achieve fine-grained access control on health records. Some proposals exploit key-policy ABE (KP-ABE) to protect privacy in such a way that…

密码学与安全 · 计算机科学 2015-12-22 Bo Qin , Hua Deng , Qianhong Wu , Josep Domingo-Ferrer , David Naccache , Yunya Zhou

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…

密码学与安全 · 计算机科学 2025-05-15 Shigenori Ohashi

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…

密码学与安全 · 计算机科学 2014-08-22 Zhengjun Cao , Lihua Liu

In todays scenario, various organizations store their sensitive data in the cloud environment. Multiple problems are present while retrieving and storing vast amounts of data, such as the frequency of data requests (increasing the…

密码学与安全 · 计算机科学 2025-12-30 Partha Paul , Keshav Sinha

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…

密码学与安全 · 计算机科学 2019-04-26 Federico Giacon , Riccardo Aragona , Massimiliano Sala

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,…

密码学与安全 · 计算机科学 2020-02-12 Ehsan Meamari , Hao Guo , Chien-Chung Shen , Rui Zhang

Attribute-Based Encryption (ABE) is a powerful cryptographic tool that allows fine-grained access control over data. Due to its features, ABE has been adopted in several applications, such as encrypted storage or access control systems.…

密码学与安全 · 计算机科学 2015-04-03 Moreno Ambrosin , Mauro Conti , Tooska Dargahi

Attribute-based Encryption (ABE) is an information centric security solution that moves beyond traditional restrictions of point-to-point encryption by allowing for flexible, fine-grain policy-based and content-based access control that is…

密码学与安全 · 计算机科学 2020-02-20 Ehsan Meamari , Hao Guo , Chien-Chung Shen , Junbeom Hur

As cloud computing gains traction, data owners are outsourcing their data to cloud service providers (CSPs) for Database Service (DBaaS), bringing in a deviation of data ownership and usage, and intensifying privacy concerns, especially…

密码学与安全 · 计算机科学 2024-04-11 Hui Li , Jingwen Shi , Qi Tian , Zheng Li , Yan Fu , Bingqing Shen , Yaofeng Tu

In this paper we present the design of name based access control scheme which facilitates data confidentiality by applying end-to-end encryption to data published on NDN with flexible fine-grained access control, which allows to define an…

密码学与安全 · 计算机科学 2021-02-23 Aleksandr Lenin , Peeter Laud

Enforcing integrity and confidentiality of users' application code and data is a challenging mission that any software developer working on an online production grade service is facing. Since cryptology is not a widely understood subject,…

密码学与安全 · 计算机科学 2018-04-04 Mohammad Hasanzadeh Mofrad , Adam Lee

Data sharing is ubiquitous in the metaverse, which adopts blockchain as its foundation. Blockchain is employed because it enables data transparency, achieves tamper resistance, and supports smart contracts. However, securely sharing data…

密码学与安全 · 计算机科学 2024-12-19 Liang Zhang , Zhanrong Ou , Changhui Hu , Haibin Kan , Jiheng Zhang

A protocol for two-party secure function evaluation (2P-SFE) aims to allow the parties to learn the output of function $f$ of their private inputs, while leaking nothing more. In a sense, such a protocol realizes a trusted oracle that…

Attribute-Based Encryption (ABE) is an emerging cryptographic technique that allows one to embed a fine-grained access control mechanism into encrypted data. In this paper we propose a novel ABE scheme called SEA-BREW (Scalable and…

密码学与安全 · 计算机科学 2021-01-26 Michele La Manna , Pericle Perazzo , Gianluca Dini

In the near future, a technological revolution will involve our cities, where a variety of smart services based on the Internet of Things will be developed to facilitate the needs of the citizens. Sensing devices are already being deployed…

密码学与安全 · 计算机科学 2018-08-08 Marco Rasori , Pericle Perazzo , Gianluca Dini

Nowadays, a large amount of user privacy-sensitive data is outsourced to the cloud server in ciphertext, which is provided by the data owners and can be accessed by authorized data users. When accessing data, the user should be assigned…

密码学与安全 · 计算机科学 2018-11-19 Xueyan Liu , Zhitao Guan , Xiaojiang Du , Liehuang Zhu , Zhengtao Yu , Yinglong Ma

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,…

密码学与安全 · 计算机科学 2025-07-08 Dongliang Cai , Liang Zhang , Borui Chen , Haibin Kan

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…

密码学与安全 · 计算机科学 2025-06-18 Nouha Oualha

Cloud-supported Internet of Things (Cloud-IoT) has been broadly deployed in smart grid systems. The IoT front-ends are responsible for data acquisition and status supervision, while the substantial amount of data is stored and managed in…

密码学与安全 · 计算机科学 2018-10-26 Zhitao Guan , Jing Li , Longfei Wu , Yue Zhang , Jun Wu , Xiaojiang Du

Attribute-Based Encryption (ABE) is a promising solution for access control in cloud services. However, the heavy decryption overhead hinders its widespread adoption. A general approach to address this issue is to outsource decryption to…

密码学与安全 · 计算机科学 2024-11-07 Dongliang Cai , Borui Chen , Liang Zhang , Kexin Li , Haibin Kan