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Cloud computing is the broad and diverse phenomenon. Users are allowed to store huge amount of data on cloud storage for future use. Most of the cloud service providers store data in plain text format or in secured manner but client will…

Cryptography and Security · Computer Science 2022-02-02 Fahina , Shwetha U , Poorna , Supriya , Rama Moorthy H , Dr. Vasudeva

Security and confidentiality of big data stored in the cloud are important concerns for many organizations to adopt cloud services. One common approach to address the concerns is client-side encryption where data is encrypted on the client…

Cryptography and Security · Computer Science 2019-08-15 SM Zobaed , Sahan Ahmad , Raju Gottumukkala , Mohsen Amini Salehi

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

Cloud computing is emerging as a revolutionary computing paradigm, while security and privacy become major concerns in the cloud scenario. For which Searchable Encryption (SE) technology is proposed to support efficient retrieval of…

Information Retrieval · Computer Science 2017-06-01 Ruihui Zhao , Yuanliang Sun , Mizuho Iwaihara

Authenticated data storage on an untrusted platform is an important computing paradigm for cloud applications ranging from big-data outsourcing, to cryptocurrency and certificate transparency log. These modern applications increasingly…

Cryptography and Security · Computer Science 2019-11-11 Yuzhe Tang , Ju Chen , Kai Li , Jianliang Xu , Qi Zhang

Extended Asynchronous DRAM Refresh (eADR) proposed by Intel extends the persistence domain from the Non-Volatile Memory (NVM) to CPU caches and offers the persistence guarantee. Due to allowing lazy persistence and decreasing the amounts of…

Cryptography and Security · Computer Science 2023-07-06 Jianming Huang , Yu Hua

Cloud computing has changed the way enterprises store, access and share data. Data is constantly being uploaded to the cloud and shared within an organization built on a hierarchy of many different individuals that are given certain data…

Cryptography and Security · Computer Science 2018-01-10 Ehab Zaghloul , Kai Zhou , Jian Ren

Chosen-ciphertext security, which guarantees confidentiality of encrypted messages even in the presence of a decryption oracle, has become the defacto notion of security for public-key encryption under active attack. In this manuscript, for…

Cryptography and Security · Computer Science 2014-04-08 Roohallah Rastaghi

Searchable encryption (SE) is a positive way to protect users sensitive data in cloud computing setting, while preserving search ability on the server side, i.e., it allows the server to search encrypted data without leaking information…

Emerging Technologies · Computer Science 2024-05-14 Wenjie Liu , Yinsong Xu , Wen Liu , Haibin Wang , Zhibin Lei

Searchable symmetric encryption (SSE) allows the data owner to outsource an encrypted database to a remote server in a private manner while maintaining the ability for selectively search. So far, most existing solutions focus on an…

Cryptography and Security · Computer Science 2019-09-23 Shengshan Hu , Chengjun Cai , Qian Wang , Cong Wang , Minghui Li , Zhibo Wang , Dengpan Ye

A peer-to-peer network, enabling different parties to jointly store and run computations on data while keeping the data completely private. Enigma's computational model is based on a highly optimized version of secure multi-party…

Cryptography and Security · Computer Science 2015-06-12 Guy Zyskind , Oz Nathan , Alex Pentland

At present, the cloud storage used in searchable symmetric encryption schemes (SSE) is provided in a private way, which cannot be seen as a true cloud. Moreover, the cloud server is thought to be credible, because it always returns the…

Cryptography and Security · Computer Science 2017-11-21 Huige Li , Fangguo Zhang , Jiejie He , Haibo Tian

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…

Cryptography and Security · Computer Science 2025-04-17 Nazatul Haque Sultan , Vijay Varadharajan , Lan Zhou , Ferdous Ahmed Barbhuiya

In this paper, we assess existing technical proposals for content moderation in End-to-End Encryption (E2EE) services. First, we explain the various tools in the content moderation toolbox, how they are used, and the different phases of the…

Cryptography and Security · Computer Science 2022-02-10 Seny Kamara , Mallory Knodel , Emma Llansó , Greg Nojeim , Lucy Qin , Dhanaraj Thakur , Caitlin Vogus

The emergence of cloud computing provides a new computing paradigm for users -- massive and complex computing tasks can be outsourced to cloud servers. However, the privacy issues also follow. Fully homomorphic encryption shows great…

Cryptography and Security · Computer Science 2021-04-01 Lizhi Xiong , Wenhao Zhou , Zhihua Xia , Qi Gu , Jian Weng

Database as a service provides services for accessing and managing customers data which provides ease of access, and the cost is less for these services. There is a possibility that the DBaaS service provider may not be trusted, and data…

Cryptography and Security · Computer Science 2016-03-03 Kamlesh Kumar Hingwe , S. Mary Saira Bhanu

Key-Value Stores (KVSs) are No-SQL databases that store data as key-value pairs and have gained popularity due to their simplicity, scalability, and fast retrieval capabilities. However, storing sensitive data in KVSs requires strong…

Cryptography and Security · Computer Science 2025-01-07 Aghiles Ait Messaoud , Sonia Ben Mokhtar , Anthony Simonet-Boulogne

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

Cloud computing can provide a flexible way to effectively share data among multiple users since it can overcome the time and location constraints of computing resource usage. However, the users of cloud computing are still reluctant to…

Cryptography and Security · Computer Science 2019-04-03 Kwangsu Lee

Cybersecurity information sharing (CIS) is envisioned to protect organizations more effectively from advanced cyber attacks. However, a completely automated CIS platform is not widely adopted. The major challenges are: (1) the absence of a…