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In the use of a cloud storage, sharing of data with efficient access control is an important requirement in addition to data security and privacy. Cui et al. (IEEE Trans. on Comp. 2016) proposed \textit{key-aggregate searchable encryption…

Cryptography and Security · Computer Science 2020-02-13 Masahiro Kamimura , Naoto Yanai , Shingo Okamura , Jason Paul Cruz

Due to the increasing demand for cloud services and the threat of privacy invasion, the user is suggested to encrypt the data before it is outsourced to the remote server. The safe storage and efficient retrieval of d-dimensional data on an…

Databases · Computer Science 2017-10-27 Eirini Molla , Theodoros Tzouramanis , Stefanos Gritzalis

Data is the central asset of today's dynamically operating organization and their business. This data is usually stored in database. A major consideration is applied on the security of that data from the unauthorized access and intruders.…

Databases · Computer Science 2013-08-25 Manish Sharma , Atul Chaudhary , Santosh Kumar

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…

Cryptography and Security · Computer Science 2023-10-10 Johannes Koppenwallner , Erich Schikuta

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

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,…

Cryptography and Security · Computer Science 2022-09-20 Dmytro Bogatov

Cloud computing is an upcoming technology that has been designed for commercial needs. One of the major issues in cloud computing is the difficulty to manage federated identities and the trust between the user and the service providers.…

Cryptography and Security · Computer Science 2018-03-09 Jissy Ann George , S. Veni , Safeeullah Soomro

Cloud computing helps reduce costs, increase business agility and deploy solutions with a high return on investment for many types of applications, including data warehouses and on-line analytical processing. However, storing and…

Databases · Computer Science 2017-01-20 Varunya Attasena , Nouria Harbi , Jérôme Darmont

Recently, Yang et al. introduced an efficient searchable encryption scheme titled "Dynamic Consensus Committee-Based for Secure Data Sharing With Authorized Multi-Receiver Searchable Encryption (DCC-SE)," published in IEEE Transactions on…

Cryptography and Security · Computer Science 2023-11-16 Zi-Yuan Liu , Raylin Tso

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…

Cryptography and Security · Computer Science 2018-09-13 Kai Zhou , Jian Ren

Organizations use data lakes to store and analyze sensitive data. But hackers may compromise data lake storage to bypass access controls and access sensitive data. To address this, we propose Membrane, a system that (1) cryptographically…

Cryptography and Security · Computer Science 2025-09-11 Sam Kumar , Samyukta Yagati , Conor Power , David E. Culler , Raluca Ada Popa

Dynamic searchable symmetric encryption (DSSE) is a useful cryptographic tool in encrypted cloud storage. However, it has been reported that DSSE usually suffers from file-injection attacks and content leak of deleted documents. To mitigate…

Cryptography and Security · Computer Science 2019-05-22 Cong Zuo , Shi-Feng Sun , Joseph K. Liu , Jun Shao , Josef Pieprzyk

Dynamic searchable symmetric encryption (DSSE) enables users to delegate the keyword search over dynamically updated encrypted databases to an honest-but-curious server without losing keyword privacy. This paper studies a new and practical…

Cryptography and Security · Computer Science 2024-03-25 Tianyang Chen , Peng Xu , Stjepan Picek , Bo Luo , Willy Susilo , Hai Jin , Kaitai Liang

A large amount of data and applications are migrated by researchers, stakeholders, academia, and business organizations to the cloud environment due to its large variety of services, which involve the least maintenance cost, maximum…

Cryptography and Security · Computer Science 2023-06-16 Rishabh Gupta , Deepika Saxena , Ashutosh Kumar Singh

Cloud Service Providers, such as Google Cloud Platform, Microsoft Azure, or Amazon Web Services, offer continuously evolving cloud services. It is a growing industry. Businesses, such as Netflix and PayPal, rely on the Cloud for data…

Cryptography and Security · Computer Science 2023-12-25 Brian Kishiyama , Izzat Alsmadi

The cloud computing platform gives people the opportunity for sharing resources, services and information among the people of the whole world. In private cloud system, information is shared among the persons who are in that cloud. For this,…

Distributed, Parallel, and Cluster Computing · Computer Science 2013-03-05 Kawser Wazed Nafi , Tonny Shekha Kar , Sayed Anisul Hoque , M. M. A. Hashem

Cloud computing is a popular distributed network and utility model based technology. Since in cloud the data is outsourced to third parties, the protection of confidentiality and privacy of user data becomes important. Different methods for…

Cryptography and Security · Computer Science 2015-05-14 B. T. Prasanna , C. B. Akki

In recent years, cloud storage technology has been widely used in many fields such as education, business, medical and more because of its convenience and low cost. With the widespread applications of cloud storage technology, data access…

Cryptography and Security · Computer Science 2018-11-09 Jingwei Liu , Huifang Tang , Chaoya Li , Rong Sun , Xiaojiang Du , Mohsen Guizani

In this paper we are proposing an algorithm which uses AES technique of 128/192/256 bit cipher key in encryption and decryption of data. AES provides high security as compared to other encryption techniques along with RSA. Cloud computing…

Cryptography and Security · Computer Science 2013-03-06 Sugata Sanyal , Parthasarathy P. Iyer

With the support of cloud computing, large quantities of data collected from various WSN applications can be managed efficiently. However, maintaining data security and efficiency of data processing in cloud-WSN (C-WSN) are important and…

Cryptography and Security · Computer Science 2018-11-21 Jing Li , Zhitao Guan , Xiaojiang Du , Zijian Zhang , Zhenyu Zhou