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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…

Cryptography and Security · Computer Science 2019-06-24 Jinkun Cao , Jinhao Zhu , Liwei Lin , Zhengui Xue , Ruhui Ma , Haibing Guan

Data spaces represent an emerging paradigm that facilitates secure and trusted data exchange through foundational elements of data interoperability, sovereignty, and trust. Within a data space, data items, potentially owned by different…

Cryptography and Security · Computer Science 2025-04-21 Nikos Fotiou , Vasilios A. Siris , George C. Polyzos

The world currently offers an abundance of data in multiple domains, from which we can learn reinforcement learning (RL) policies without further interaction with the environment. RL agents learning offline from such data is possible but…

Machine Learning · Computer Science 2022-12-19 Hager Radi , Josiah P. Hanna , Peter Stone , Matthew E. Taylor

The Encrypted File System (EFS) pushes encryption services into the file system itself. EFS supports secure storage at the system level through a standard UNIX file system interface to encrypted files. User can associate a cryptographic key…

Cryptography and Security · Computer Science 2009-08-06 Dr. Shishir Kumar , U. S. Rawat , Sameer Kumar Jasra , Akshay Kumar Jain

As organizations struggle with processing vast amounts of information, outsourcing sensitive data to third parties becomes a necessity. To protect the data, various cryptographic techniques are used in outsourced database systems to ensure…

Cryptography and Security · Computer Science 2021-09-29 Dmytro Bogatov , Georgios Kellaris , George Kollios , Kobbi Nissim , Adam O'Neill

Most software factories contain applications with sensitive information that needs to be protected against breaches of confidentiality and integrity, which can have serious consequences. In the context of large factories with complex…

Programming Languages · Computer Science 2019-09-10 Miguel Loureiro , Luísa Lourenço , Lúcio Ferrão , Carla Ferreira

This paper studies how a system operator and a set of agents securely execute a distributed projected gradient-based algorithm. In particular, each participant holds a set of problem coefficients and/or states whose values are private to…

Cryptography and Security · Computer Science 2018-05-24 Yang Lu , Minghui Zhu

This paper aims to create a secure environment for networked control systems composed of multiple dynamic entities and computational control units via networking, in the presence of disclosure attacks. In particular, we consider the…

Systems and Control · Electrical Eng. & Systems 2020-08-21 Yamin Yan , Zhiyong Chen , Vijay Varadharajan

In consequential real-world applications, machine learning (ML) based systems are expected to provide fair and non-discriminatory decisions on candidates from groups defined by protected attributes such as gender and race. These…

Computers and Society · Computer Science 2017-10-20 Samiulla Shaikh , Harit Vishwakarma , Sameep Mehta , Kush R. Varshney , Karthikeyan Natesan Ramamurthy , Dennis Wei

Deep reinforcement learning policies, which are integral to modern control systems, represent valuable intellectual property. The development of these policies demands considerable resources, such as domain expertise, simulation fidelity,…

Cryptography and Security · Computer Science 2024-05-14 Zhixiong Zhuang , Maria-Irina Nicolae , Mario Fritz

In this paper we discuss the impact of open source on both the security and transparency of a software system. We focus on the more technical aspects of this issue, combining and extending arguments developed over the years. We stress that…

Cryptography and Security · Computer Science 2021-08-23 Jaap-Henk Hoepman , Bart Jacobs

In this paper, we seek to learn a robot policy guaranteed to satisfy state constraints. To encourage constraint satisfaction, existing RL algorithms typically rely on Constrained Markov Decision Processes and discourage constraint…

Robotics · Computer Science 2024-11-06 Jean-Baptiste Bouvier , Kartik Nagpal , Negar Mehr

The Solid specification aims to empower data subjects by giving them direct access control over their data across multiple applications. As governments are manifesting their interest in this framework for citizen empowerment and…

Cryptography and Security · Computer Science 2022-10-18 Christian Esposito , Olaf Hartig , Ross Horne , Chang Sun

Quantum cryptography uses techniques and ideas from physics and computer science. The combination of these ideas makes the security proofs of quantum cryptography a complicated task. To prove that a quantum-cryptography protocol is secure,…

Quantum Physics · Physics 2015-05-13 Normand J. Beaudry

Workflows specify collections of tasks that must be executed under the responsibility or supervision of human users. Workflow management systems and workflow-driven applications need to enforce security policies in the form of access…

Cryptography and Security · Computer Science 2017-06-23 Daniel Ricardo dos Santos , Silvio Ranise

Employees are often required to use Enterprise Security Software ("ESS") on corporate and personal devices. ESS products collect users' activity data including users' location, applications used, and websites visited - operating from…

Cryptography and Security · Computer Science 2022-09-27 Jonah Stegman , Patrick J. Trottier , Caroline Hillier , Hassan Khan , Mohammad Mannan

With the ever-growing data and the need for developing powerful machine learning models, data owners increasingly depend on various untrusted platforms (e.g., public clouds, edges, and machine learning service providers) for scalable…

Machine Learning · Computer Science 2021-06-15 Sagar Sharma , Keke Chen

Current trends in technology, such as cloud computing, allow outsourcing the storage, backup, and archiving of data. This provides efficiency and flexibility, but also poses new risks for data security. It in particular became crucial to…

Cryptography and Security · Computer Science 2017-08-08 Christian Weinert , Denise Demirel , Martín Vigil , Matthias Geihs , Johannes Buchmann

Implementing a security mechanism on top of APIs requires clear understanding of the semantics of each API, to ensure that security entitlements are enforced consistently and completely across all APIs that could perform the same function…

Cryptography and Security · Computer Science 2023-02-28 Somesh Jha , Mihai Christodorescu , Anh Pham

This work presents an application of the highly expressive Attribute-Based Encryption to implement Secure Zones for firearms. Within these zones, radio-transmitted local policies based on attributes of the user and the firearm are received…

Cryptography and Security · Computer Science 2015-04-28 Marcos Portnoi , Chien-Chung Shen