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Various cryptographic techniques are used in outsourced database systems to ensure data privacy while allowing for efficient querying. This work proposes a definition and components of a new secure and efficient outsourced database system,…

Cryptography and Security · Computer Science 2022-09-20 Dmytro Bogatov

The Domain Name System (DNS) does not provide query privacy. Query obfuscation schemes have been proposed to overcome this limitation, but, so far, they have not been evaluated in a realistic setting. In this paper we evaluate the security…

Cryptography and Security · Computer Science 2016-03-23 Dominik Herrmann , Max Maaß , Hannes Federrath

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

It is now cost-effective to outsource large dataset and perform query over the cloud. However, in this scenario, there exist serious security and privacy issues that sensitive information contained in the dataset can be leaked. The most…

Databases · Computer Science 2020-02-25 Weiguo Wang , Hui Li , Yanguo Peng , Sourav S Bhowmick , Peng Chen , Xiaofeng Chen , Jiangtao Cui

Code obfuscation is a major tool for protecting software intellectual property from attacks such as reverse engineering or code tampering. Yet, recently proposed (automated) attacks based on Dynamic Symbolic Execution (DSE) shows very…

Cryptography and Security · Computer Science 2019-08-08 Mathilde Ollivier , Sébastien Bardin , Richard Bonichon , Jean-Yves Marion

With the many benefits of cloud computing, an entity may want to outsource its data and their related analytics tasks to a cloud. When data are sensitive, it is in the interest of the entity to outsource encrypted data to the cloud;…

Cryptography and Security · Computer Science 2014-01-17 Bharath K. Samanthula , Wei Jiang , Elisa Bertino

Recently, several practical attacks raised serious concerns over the security of searchable encryption. The attacks have brought emphasis on forward privacy, which is the key concept behind solutions to the adaptive leakage-exploiting…

Cryptography and Security · Computer Science 2017-10-03 Xiangfu Song , Changyu Dong , Dandan Yuan , Qiuliang Xu , Minghao Zhao

Amidst the burgeoning landscape of database architectures, the surge in NoSQL databases has heralded a transformative era, liberating data storage from traditional relational constraints and ushering in unprecedented scalability. As…

Cryptography and Security · Computer Science 2025-01-08 Abraham Itzhak Weinberg

At CCS 2015 Naveed et al. presented first attacks on efficiently searchable encryption, such as deterministic and order-preserving encryption. These plaintext guessing attacks have been further improved in subsequent work, e.g. by Grubbs et…

Cryptography and Security · Computer Science 2017-09-28 Florian Kerschbaum , Anselme Tueno

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

Searchable symmetric encryption (SSE) has been used to protect the confidentiality of genomic data while providing substring search and range queries on a sequence of genomic data, but it has not been studied for protecting single…

Cryptography and Security · Computer Science 2021-07-01 Sara Jafarbeiki , Amin Sakzad , Shabnam Kasra Kermanshahi , Raj Gaire , Ron Steinfeld , Shangqi Lai , Gad Abraham

Searchable symmetric encryption schemes often unintentionally disclose certain sensitive information, such as access, volume, and search patterns. Attackers can exploit such leakages and other available knowledge related to the user's…

Cryptography and Security · Computer Science 2024-03-05 Hao Nie , Wei Wang , Peng Xu , Xianglong Zhang , Laurence T. Yang , Kaitai Liang

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

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

For better data availability and accessibility while ensuring data secrecy, organizations often tend to outsource their encrypted data to the cloud storage servers, thus bringing the challenge of keyword search over encrypted data. In this…

Cryptography and Security · Computer Science 2025-04-17 Nazatul Haque Sultan , Maryline Laurent , Vijay Varadharajan

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

Fully homomorphic encryption (FHE) and trusted execution environments (TEE) are two approaches to provide confidentiality during data processing. Each approach has its own strengths and weaknesses. In certain scenarios, computations can be…

Cryptography and Security · Computer Science 2025-05-28 Romain de Laage

Format Preserving Encryption (FPE) schemes encrypt a plaintext into a ciphertext while preserving its format (e.g., a valid social-security number is encrypted into a valid social-security number), thus allowing encrypted data to be stored…

Cryptography and Security · Computer Science 2015-06-15 Mor Weiss , Boris Rozenberg , Muhammad Barham

Prior research primarily examined differentially-private continual releases against data streams, where entries were immutable after insertion. However, most data is dynamic and housed in databases. Addressing this literature gap, this…

Cryptography and Security · Computer Science 2023-05-09 Mingen Pan

Data Distribution Service (DDS) is an innovative approach towards communication in ICS/IoT infrastructure and robotics. Being based on the cross-platform and cross-language API to be applicable in any computerised device, it offers the…

Machine Learning · Computer Science 2021-06-15 Stanislav Abaimov