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With the rapid development of blockchain technology, different types of blockchains are adopted and interoperability across blockchains has received widespread attention. There have been many cross-chain solutions proposed in recent years,…

密码学与安全 · 计算机科学 2021-03-26 Ying Lan , Jianbo Gao , Ke Wang , Jiashuo Zhang , Zhenhao Wu , Yuesheng Zhu , Zhong Chen

The present study deals with Transparent Data Encryption which is a technology used to solve the problems of security of data. Transparent Data Encryption means encrypting databases on hard disk and on any backup media. Present day global…

数据库 · 计算机科学 2013-03-05 Dr. Anwar Pasha Deshmukh , Dr. Riyazuddin Qureshi

Recently, with the continuous development of deep learning, the performance of named entity recognition tasks has been dramatically improved. However, the privacy and the confidentiality of data in some specific fields, such as biomedical…

密码学与安全 · 计算机科学 2022-09-01 Kaifang Long , Jikun Dong , Shengyu Fan , Yanfang Geng , Yang Cao , Han Zhao , Hui Yu , Weizhi Xu

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…

密码学与安全 · 计算机科学 2019-09-23 Shengshan Hu , Chengjun Cai , Qian Wang , Cong Wang , Minghui Li , Zhibo Wang , Dengpan Ye

Quantum homomorphic encryption (QHE) is an encryption method that allows quantum computation to be performed on one party's private data with the program provided by another party, without revealing much information about the data nor about…

量子物理 · 物理学 2019-08-02 Li Yu

As cloud computing becomes prevalent in recent years, more and more enterprises and individuals outsource their data to cloud servers. To avoid privacy leaks, outsourced data usually is encrypted before being sent to cloud servers, which…

密码学与安全 · 计算机科学 2019-06-24 Jinkun Cao , Jinhao Zhu , Liwei Lin , Zhengui Xue , Ruhui Ma , Haibing Guan

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

密码学与安全 · 计算机科学 2023-12-20 Johannes Koppenwallner , Erich Schikuta

The sharing of information between agencies is effective in dealing with cross-jurisdictional criminal activities; however, such sharing is often restricted due to concerns about data privacy, ownership, and compliance. Towards this end,…

密码学与安全 · 计算机科学 2025-05-06 Om Rathod , Aastha Baid , Aswani Kumar Cherukuri

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

Machine learning on encrypted data has received a lot of attention thanks to recent breakthroughs in homomorphic encryption and secure multi-party computation. It allows outsourcing computation to untrusted servers without sacrificing…

机器学习 · 计算机科学 2021-09-24 Theo Ryffel , Edouard Dufour-Sans , Romain Gay , Francis Bach , David Pointcheval

Order-preserving encryption allows encrypting data, while still enabling efficient range queries on the encrypted data. Moreover, it does not require any change to the database management system, because comparison operates on ciphertexts…

密码学与安全 · 计算机科学 2018-02-06 Anselme Tueno , Florian Kerschbaum

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

A closer integration of machine learning and relational databases has gained steam in recent years due to the fact that the training data to many ML tasks is the results of a relational query (most often, a join-select query). In a…

密码学与安全 · 计算机科学 2021-10-01 Qiyao Luo , Yilei Wang , Zhenghang Ren , Ke Yi , Kai Chen , Xiao Wang

Benchmarking is an important measure for companies to investigate their performance and to increase efficiency. As companies usually are reluctant to provide their key performance indicators (KPIs) for public benchmarks, privacy-preserving…

密码学与安全 · 计算机科学 2019-03-28 Kilian Becher , Martin Beck , Thorsten Strufe

With the emergence of privacy leaks in federated learning, secure aggregation protocols that mainly adopt either homomorphic encryption or threshold secret sharing have been widely developed for federated learning to protect the privacy of…

密码学与安全 · 计算机科学 2024-06-03 Xue Yang , Zifeng Liu , Xiaohu Tang , Rongxing Lu , Bo Liu

Neural cryptography is based on synchronization of tree parity machines by mutual learning. We extend previous key-exchange protocols by replacing random inputs with queries depending on the current state of the neural networks. The…

无序系统与神经网络 · 物理学 2007-05-23 Andreas Ruttor , Wolfgang Kinzel , Ido Kanter

Security has become a significant concern with the increased popularity of cloud storage services. It comes with the vulnerability of being accessed by third parties. Security is one of the major hurdles in the cloud server for the user…

密码学与安全 · 计算机科学 2023-06-07 Mazharul Islam

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…

数据库 · 计算机科学 2017-01-20 Varunya Attasena , Nouria Harbi , Jérôme Darmont

Despite extensive research on cryptography, secure and efficient query processing over outsourced data remains an open challenge. This paper continues along with the emerging trend in secure data processing that recognizes that the entire…

数据库 · 计算机科学 2020-05-14 Sharad Mehrotra , Shantanu Sharma , Jeffrey D. Ullman , Dhrubajyoti Ghosh , Peeyush Gupta

For the past decade, query processing on relational data has been studied extensively, and many theoretical and practical solutions to query processing have been proposed under various scenarios. With the recent popularity of cloud…

密码学与安全 · 计算机科学 2013-07-19 Yousef Elmehdwi , Bharath K. Samanthula , Wei Jiang