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Nowadays, the dataflux shared between IOT systems must be secured from 8-bits to 64-bits processors systems. Several symmetric cryptographic algorithm already exist such as AES (Advanced Encryption Standard), RC4, Blowfish, etc. In this…

Cryptography and Security · Computer Science 2019-05-21 Etienne Lemaire

The Distributed Symmetric Key Establishment (DSKE) protocol provides secure secret exchange (e.g., for key exchange) between two honest parties that need not have had prior contact, and use intermediaries with whom they each securely share…

Cryptography and Security · Computer Science 2024-07-31 Jie Lin , Manfred von Willich , Hoi-Kwong Lo

Public key authenticated encryption with keyword search (PAEKS) represents a significant advancement of secure and searchable data sharing in public network systems, such as medical systems. It can effectively mitigate the risk of keyword…

Cryptography and Security · Computer Science 2025-03-24 Jiayin Cai , Xingwen Zhao , Dexin Li , Hui Li , Kai Fan

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

We propose and implement a protocol for a scalable, cost-effective, information-theoretically secure key distribution and management system. The system, called Distributed Symmetric Key Establishment (DSKE), relies on pre-shared random…

Quantum Physics · Physics 2024-07-31 Hoi-Kwong Lo , Mattia Montagna , Manfred von Willich

Public key searchable encryption (PKSE) scheme allows data users to search over encrypted data. To identify illegal users, many traceable PKSE schemes have been proposed. However, existing schemes cannot trace the keywords which illegal…

Cryptography and Security · Computer Science 2023-12-29 Yue Han , Jinguang Han , Weizhi Meng , Jianchang Lai , Ge Wu

Cloud-based enterprise search services (e.g., Amazon Kendra) are enchanting to big data owners by providing them with convenient search solutions over their enterprise big datasets. However, individuals and businesses that deal with…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-06-10 SM Zobaed , Mohsen Amini Salehi

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,…

Cryptography and Security · Computer Science 2025-05-06 Om Rathod , Aastha Baid , Aswani Kumar Cherukuri

Phrase search allows retrieval of documents containing an exact phrase, which plays an important role in many machine learning applications for cloud-based IoT, such as intelligent medical data analytics. In order to protect sensitive…

Cryptography and Security · Computer Science 2018-09-24 Meng Shen , Baoli Ma , Liehuang Zhu , Xiaojiang Du , Ke Xu

Privacy-preserving distributed processing has received considerable attention recently. The main purpose of these algorithms is to solve certain signal processing tasks over a network in a decentralised fashion without revealing…

Signal Processing · Electrical Eng. & Systems 2023-12-14 Sebastian O. Jordan , Qiongxiu Li , Richard Heusdens

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

Existing semantically secure public-key searchable encryption schemes take search time linear with the total number of the ciphertexts. This makes retrieval from large-scale databases prohibitive. To alleviate this problem, this paper…

Cryptography and Security · Computer Science 2015-12-22 P. Xu , Q. Wu , W. Wang , W. Susilo , J. Domingo-Ferrer , H. Jin

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…

Cryptography and Security · Computer Science 2018-11-19 Xueyan Liu , Zhitao Guan , Xiaojiang Du , Liehuang Zhu , Zhengtao Yu , Yinglong Ma

Privacy-preserving distributed average consensus has received significant attention recently due to its wide applicability. Based on the achieved performances, existing approaches can be broadly classified into perfect accuracy-prioritized…

Cryptography and Security · Computer Science 2024-07-16 Qiongxiu Li , Jaron Skovsted Gundersen , Milan Lopuhaa-Zwakenberg , Richard Heusdens

Pre-shared keys (PSK) have been widely used in network security. Nonetheless, existing PSK solutions are not scalable. Moreover, whenever a new user joins a network, PSK requires an existing user to get a new key before they are able to…

Cryptography and Security · Computer Science 2024-11-26 Jie Lin , Hoi-Kwong Lo , Jacob Johannsson , Mattia Montagna , Manfred von Willich

In this paper, we propose new location privacy preserving schemes for database-driven cognitive radio networks that protect secondary users' (SUs) location privacy while allowing them to learn spectrum availability in their vicinity. Our…

Networking and Internet Architecture · Computer Science 2018-06-12 Mohamed Grissa , Attila A. Yavuz , Bechir Hamdaoui

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

\emph{Secure Search} is the problem of retrieving from a database table (or any unsorted array) the records matching specified attributes, as in SQL SELECT queries, but where the database and the query are encrypted. Secure search has been…

Cryptography and Security · Computer Science 2017-08-22 Adi Akavia , Dan Feldman , Hayim Shaul

In privacy-preserving machine learning, individual parties are reluctant to share their sensitive training data due to privacy concerns. Even the trained model parameters or prediction can pose serious privacy leakage. To address these…

Cryptography and Security · Computer Science 2020-09-04 Lingjuan Lyu , Yee Wei Law , Kee Siong Ng , Shibei Xue , Jun Zhao , Mengmeng Yang , Lei Liu

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