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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

Computation outsourcing is an integral part of cloud computing. It enables end-users to outsource their computational tasks to the cloud and utilize the shared cloud resources in a pay-per-use manner. However, once the tasks are outsourced,…

Cryptography and Security · Computer Science 2015-11-10 Kai Zhou , Jian Ren

In this paper, we consider secure outsourced growing databases that support view-based query answering. These databases allow untrusted servers to privately maintain a materialized view, such that they can use only the materialized view to…

Databases · Computer Science 2022-03-11 Chenghong Wang , Johes Bater , Kartik Nayak , Ashwin Machanavajjhala

Over the past two decades, biometric recognition has exploded into a plethora of different applications around the globe. This proliferation can be attributed to the high levels of authentication accuracy and user convenience that biometric…

Computer Vision and Pattern Recognition · Computer Science 2021-06-01 Anil K. Jain , Debayan Deb , Joshua J. Engelsma

The problem we address is the following: how can a user employ a predictive model that is held by a third party, without compromising private information. For example, a hospital may wish to use a cloud service to predict the readmission…

Machine Learning · Computer Science 2014-12-25 Pengtao Xie , Misha Bilenko , Tom Finley , Ran Gilad-Bachrach , Kristin Lauter , Michael Naehrig

Outsourced computation for neural networks allows users access to state of the art models without needing to invest in specialized hardware and know-how. The problem is that the users lose control over potentially privacy sensitive data.…

Cryptography and Security · Computer Science 2022-01-04 Robert Podschwadt , Daniel Takabi , Peizhao Hu

Algorithms for oblivious random access machine (ORAM) simulation allow a client, Alice, to obfuscate a pattern of data accesses with a server, Bob, who is maintaining Alice's outsourced data while trying to learn information about her data.…

Cryptography and Security · Computer Science 2017-09-20 Michael T. Goodrich

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

Databases · Computer Science 2018-12-24 Sharad Mehrotra , Shantanu Sharma , Jeffrey D. Ullman , Anurag Mishra

In this paper we analyze different biometric authentication protocols considering an internal adversary. Our contribution takes place at two levels. On the one hand, we introduce a new comprehensive framework that encompasses the various…

Cryptography and Security · Computer Science 2015-03-17 Koen Simoens , Julien Bringer , Hervé Chabanne , Stefaan Seys

In this paper, we attempt to provide a privacy-preserving and efficient solution for the "similar patient search" problem among several parties (e.g., hospitals) by addressing the shortcomings of previous attempts. We consider a scenario in…

Cryptography and Security · Computer Science 2020-02-04 Xiaojie Zhu , Erman Ayday , Roman Vitenberg , Narasimha Raghavan Veeraragavan

Database users have started moving toward the use of cloud computing as a service because it provides computation and storage needs at affordable prices. However, for most of the users, the concern of privacy plays a major role as they…

Databases · Computer Science 2020-01-13 Sultan Almakdi , Brajendra Panda

Role-Based Access Control (RBAC) is a popular model which maps roles to access permissions for resources and then roles to the users to provide access control. Role-Based Encryption (RBE) is a cryptographic form of RBAC model that…

Cryptography and Security · Computer Science 2025-04-17 Nazatul Haque Sultan , Vijay Varadharajan , Lan Zhou , Ferdous Ahmed Barbhuiya

Privacy of the outsourced data is one of the major challenge.Insecurity of the network environment and untrustworthiness of the service providers are obstacles of making the database as a service.Collection and storage of personally…

Cryptography and Security · Computer Science 2015-03-02 Divya G. Nair , V. P. Binu , G. Santhosh Kumar

The use of biometrics to authenticate users and control access to secure areas has become extremely popular in recent years, and biometric access control systems are frequently used by both governments and private corporations. However,…

Cryptography and Security · Computer Science 2023-12-04 Justin Spencer , Deborah Lawrence , Prosenjit Chatterjee , Kaushik Roy , Albert Esterline , Jung-Hee Kim

Generative AI has revolutionized modern machine learning by providing unprecedented realism, diversity, and efficiency in data generation. This technology holds immense potential for biometrics, including for securing sensitive and…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Babak Poorebrahim Gilkalaye , Shubhabrata Mukherjee , Reza Derakhshani

In this thesis, a multimodal biometric, secure encrypted data and encrypted biometric encoded into the QR code-based biometric-passport authentication method is proposed for national security applications. Firstly, using the Extended…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Ziaul Haque Choudhury

Recently, with the support of mobile cloud computing, a large number of health related data collected from various body sensor networks can be managed efficiently. However, to ensure data security and data privacy in cloud-integrated body…

Cryptography and Security · Computer Science 2018-11-20 Zhitao Guan , Tingting Yang , Xiaojiang Du , Mohsen Guizani

A decision tree is an easy-to-understand tool that has been widely used for classification tasks. On the one hand, due to privacy concerns, there has been an urgent need to create privacy-preserving classifiers that conceal the user's input…

Cryptography and Security · Computer Science 2025-05-06 Andrew Quijano , Spyros T. Halkidis , Kevin Gallagher , Kemal Akkaya , Nikolaos Samaras

Recently, inference privacy has attracted increasing attention. The inference privacy concern arises most notably in the widely deployed edge-cloud video analytics systems, where the cloud needs the videos captured from the edge. The video…

Cryptography and Security · Computer Science 2023-05-26 Siping Shi , Bihai Zhang , Dan Wang

In several settings of practical interest, two parties seek to collaboratively perform inference on their private data using a public machine learning model. For instance, several hospitals might wish to share patient medical records for…

Cryptography and Security · Computer Science 2018-12-05 Siddharth Garg , Zahra Ghodsi , Carmit Hazay , Yuval Ishai , Antonio Marcedone , Muthuramakrishnan Venkitasubramaniam