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Related papers: Delegated-Query Oblivious Transfer and its Practic…

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Most heavy computation occurs on servers owned by a second party. This reduces data privacy, resulting in interest in data-oblivious computation, which typically severely degrades performance. Secure and fast delegated computation is…

Cryptography and Security · Computer Science 2025-10-08 Mark Braverman , Stephen Newman

Graph encryption schemes play a crucial role in facilitating secure queries on encrypted graphs hosted on untrusted servers. With applications spanning navigation systems, network topology, and social networks, the need to safeguard…

Cryptography and Security · Computer Science 2024-05-30 Seyni Kane , Anis Bkakria

Thanks to the widespread deployment of TLS, users can access private data over channels with end-to-end confidentiality and integrity. What they cannot do, however, is prove to third parties the {\em provenance} of such data, i.e., that it…

Cryptography and Security · Computer Science 2024-08-06 Fan Zhang , Sai Krishna Deepak Maram , Harjasleen Malvai , Steven Goldfeder , Ari Juels

Distributed quantum computing is a promising computational paradigm for performing computations that are beyond the reach of individual quantum devices. Privacy in distributed quantum computing is critical for maintaining confidentiality…

Providing a provable privacy guarantees while maintaining the utility of data is a challenging task in many real-world applications. Recently, a new framework called One-Sided Differential Privacy (OSDP) was introduced that extends existing…

Cryptography and Security · Computer Science 2021-12-21 Phillip Lee , Kevin Smith

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…

Databases · Computer Science 2013-03-05 Dr. Anwar Pasha Deshmukh , Dr. Riyazuddin Qureshi

Federated Learning and Analytics (FLA) have seen widespread adoption by technology platforms for processing sensitive on-device data. However, basic FLA systems have privacy limitations: they do not necessarily require anonymization…

We present a new template for building oblivious transfer from quantum information that we call the "fixed basis" framework. Our framework departs from prior work (eg., Crepeau and Kilian, FOCS '88) by fixing the correct choice of…

Quantum Physics · Physics 2022-09-13 Amit Agarwal , James Bartusek , Dakshita Khurana , Nishant Kumar

This study investigates the privacy risks associated with text embeddings, focusing on the scenario where attackers cannot access the original embedding model. Contrary to previous research requiring direct model access, we explore a more…

Cryptography and Security · Computer Science 2025-01-15 Yu-Hsiang Huang , Yuche Tsai , Hsiang Hsiao , Hong-Yi Lin , Shou-De Lin

There is an increasing trend for businesses to migrate their systems towards the cloud. Security concerns that arise when outsourcing data and computation to the cloud include data confidentiality and privacy. Given that a tremendous amount…

Cryptography and Security · Computer Science 2012-10-03 Tien Tuan Anh Dinh , Anwitaman Datta

The Internet of Things (IoT) has become increasingly popular in people's daily lives. The pervasive IoT devices are encouraged to share data with each other in order to better serve the users. However, users are reluctant to share sensitive…

Cryptography and Security · Computer Science 2018-07-03 Longfei Wu , Xiaojiang Du , Jie Wu , Jingwei Liu , Eduard C. Dragut

Privacy in form of anonymous communication could be comparably both faster and harder to break in optical routers than in today's anonymous IP networks based on The Onion Routing (Tor). Implementing the practical privacy…

Cryptography and Security · Computer Science 2016-10-31 Anna Engelmann , Admela Jukan

The growth in the number of devices connected to the Internet of Things (IoT) poses major challenges in security. The integrity and trustworthiness of data and data analytics are increasingly important concerns in IoT applications. These…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-10-17 Yuan Chen , Soummya Kar , José M. F. Moura

Diffusion Models have gained significant popularity due to their remarkable capabilities in image generation, albeit at the cost of intensive computation requirement. Meanwhile, despite their widespread deployment in inference services such…

Cryptography and Security · Computer Science 2025-10-07 Haoqi Wu , Wei Dai , Ming Xu , Li Wang , Qiang Yan

The rapid increase in the adoption of Internet-of-Things (IoT) devices raises critical privacy concerns as these devices can access a variety of sensitive data. The current status quo of relying on manufacturers' cloud services to process…

Cryptography and Security · Computer Science 2022-05-10 Dohyun Kim , Prasoon Patidar , Han Zhang , Abhijith Anilkumar , Yuvraj Agarwal

We present simple protocols for oblivious transfer and password-based identification which are secure against general attacks in the noisy-quantum-storage model as defined in [KWW09]. We argue that a technical tool from [KWW09] suffices to…

Quantum Physics · Physics 2015-03-13 Christian Schaffner

Quantum technologies hold the promise of not only faster algorithmic processing of data, via quantum computation, but also of more secure communications, in the form of quantum cryptography. In recent years, a number of protocols have…

Quantum Physics · Physics 2016-12-01 Joseph F. Fitzsimons

Differential private (DP) query and response mechanisms have been widely adopted in various applications based on Internet of Things (IoT) to leverage variety of benefits through data analysis. The protection of sensitive information is…

Cryptography and Security · Computer Science 2022-12-09 Muhammad Islam , Mubashir Husain Rehmani , Jinjun Chen

This paper proposes Concurrent-Access Obfuscated Store (CAOS), a construction for remote data storage that provides access-pattern obfuscation in a honest-but-curious adversarial model, while allowing for low bandwidth overhead and client…

Cryptography and Security · Computer Science 2019-06-04 Mihai Ordean , Mark Ryan , David Galindo

Quantum private query (QPQ) is a kind of quantum protocols to protect both users' privacy in their communication. There is an interesting example, that is, Alice wants to buy one item from Bob's database, which is composed of a quantity of…

Quantum Physics · Physics 2014-10-09 Fei Gao , Bin Liu , Wei Huang , Qiao-Yan Wen