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With the increasing number of mobile applications and the popularity of cloud computing, the combination of these two techniques that named mobile cloud computing (MCC) attracts great attention in recent years. A promising public key…

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

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

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

It is now cost-effective to outsource large dataset and perform query over the cloud. However, in this scenario, there exist serious security and privacy issues that sensitive information contained in the dataset can be leaked. The most…

数据库 · 计算机科学 2020-02-25 Weiguo Wang , Hui Li , Yanguo Peng , Sourav S Bhowmick , Peng Chen , Xiaofeng Chen , Jiangtao Cui

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…

密码学与安全 · 计算机科学 2023-09-11 Jingchi Zhang , Anwitaman Datta

Outsourcing a relational database to the cloud offers several benefits, including scalability, availability, and cost-effectiveness. However, there are concerns about the confidentiality and security of the outsourced data. A general…

密码学与安全 · 计算机科学 2023-10-10 Johannes Koppenwallner , Erich Schikuta

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.…

分布式、并行与集群计算 · 计算机科学 2020-05-01 Sarath Pathari

In single-cloud storage, ciphertext-policy attribute-based encryption (CP-ABE) allows one to encrypt any data under an access structure to a cloud server, specifying what attributes are required to decrypt. In multi-cloud storage, a secret…

密码学与安全 · 计算机科学 2023-10-25 Shuai Feng , Liang Feng Zhang

Outsourcing decision tree inference services to the cloud is highly beneficial, yet raises critical privacy concerns on the proprietary decision tree of the model provider and the private input data of the client. In this paper, we design,…

密码学与安全 · 计算机科学 2021-11-02 Yifeng Zheng , Cong Wang , Ruochen Wang , Huayi Duan , Surya Nepal

Outsourcing data into the cloud becomes popular thanks to the pay-as-you-go paradigm. However, such practice raises privacy concerns. The conventional way to achieve data privacy is to encrypt sensitive data before outsourcing. When data…

数据库 · 计算机科学 2017-08-23 Somayeh Moghadam , Jérôme Darmont , Gérald Gavin

Various cryptographic techniques are used in outsourced database systems to ensure data privacy while allowing for efficient querying. This work proposes a definition and components of a new secure and efficient outsourced database system,…

密码学与安全 · 计算机科学 2022-09-20 Dmytro Bogatov

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

With the increase of centralization of resources in IT-infrastructure and the growing amount of cloud services, database management systems (DBMS) will be more and more outsourced to Infrastructure-as-a-Service (IaaS) providers. The…

密码学与安全 · 计算机科学 2016-08-30 Timo Schindler , Christoph Skornia

Role-Based Access Control (RBAC) is a popular model which maps roles to access permissions for resources and then roles to the users to provide access control. Role-Based Encryption (RBE) is a cryptographic form of RBAC model that…

密码学与安全 · 计算机科学 2025-04-17 Nazatul Haque Sultan , Vijay Varadharajan , Lan Zhou , Ferdous Ahmed Barbhuiya

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

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…

密码学与安全 · 计算机科学 2014-07-15 Charan Kumar , Dinesh Kumar , Arun Kumar Reddy

For better data availability and accessibility while ensuring data secrecy, organizations often tend to outsource their encrypted data to the cloud storage servers, thus bringing the challenge of keyword search over encrypted data. In this…

密码学与安全 · 计算机科学 2025-04-17 Nazatul Haque Sultan , Maryline Laurent , Vijay Varadharajan

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

A lot of research has been focused on secure outsourcing of biometric identification in the context of cloud computing. In such schemes, both the encrypted biometric database and the identification process are outsourced to the cloud. The…

密码学与安全 · 计算机科学 2018-09-13 Kai Zhou , Jian Ren

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
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