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Attribute-Based Encryption (ABE) is a promising solution for access control in cloud services. However, the heavy decryption overhead hinders its widespread adoption. A general approach to address this issue is to outsource decryption to…

密码学与安全 · 计算机科学 2024-11-07 Dongliang Cai , Borui Chen , Liang Zhang , Kexin Li , Haibin Kan

Homomorphic encryption, which enables the execution of arithmetic operations directly on ciphertexts, is a promising solution for protecting privacy of cloud-delegated computations on sensitive data. However, the correctness of the…

密码学与安全 · 计算机科学 2025-11-20 Sylvain Chatel , Christian Knabenhans , Apostolos Pyrgelis , Carmela Troncoso , Jean-Pierre Hubaux

The database community, at least for the last decade, has been grappling with querying encrypted data, which would enable secure database as a service solutions. A recent breakthrough in the cryptographic community (in 2009) related to…

数据库 · 计算机科学 2013-02-13 Murali Mani , Kinnari Shah , Manikanta Gunda

This paper investigates compression of data encrypted with block ciphers, such as the Advanced Encryption Standard (AES). It is shown that such data can be feasibly compressed without knowledge of the secret key. Block ciphers operating in…

信息论 · 计算机科学 2010-09-10 Demijan Klinc , Carmit Hazay , Ashish Jagmohan , Hugo Krawczyk , Tal Rabin

Secure cloud storage is an issue of paramount importance that both businesses and end-users should take into consideration before moving their data to, potentially, untrusted clouds. Migrating data to the cloud raises multiple privacy…

密码学与安全 · 计算机科学 2022-05-09 Alexandros Bakas , Antonis Michalas

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…

密码学与安全 · 计算机科学 2012-10-03 Tien Tuan Anh Dinh , Anwitaman Datta

Searchable encrypted (SE) indexing systems are a useful tool for utilizing cloud services to store and manage sensitive information. However, much of the work on SE systems to date has remained theoretical. In order to make them of…

密码学与安全 · 计算机科学 2023-08-28 Steven Willoughby

As machine learning (ML) models become increasingly deployed through cloud infrastructures, the confidentiality of user data during inference poses a significant security challenge. Homomorphic Encryption (HE) has emerged as a compelling…

密码学与安全 · 计算机科学 2025-10-29 Tejaswini Bollikonda

Quantum computers create new security risks for today's encryption systems. This paper presents an improved version of the Advanced Encryption Standard (AES) that uses quantum technology to strengthen protection. Our approach offers two…

量子物理 · 物理学 2025-10-02 Albert Nieto-Morales , Arit Kumar Bishwas , Joel Jacob Varghese

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…

密码学与安全 · 计算机科学 2025-05-28 Romain de Laage

Homomorphic encryption (HE) is a promising cryptographic technique for enabling secure collaborative machine learning in the cloud. However, support for homomorphic computation on ciphertexts under multiple keys is inefficient. Current…

密码学与安全 · 计算机科学 2019-11-12 Asma Aloufi , Peizhao Hu

The trend towards delegating data processing to a remote party raises major concerns related to privacy violations for both end-users and service providers. These concerns have attracted the attention of the research community, and several…

密码学与安全 · 计算机科学 2015-12-15 Youssef Gahi , Mouhcine Guennoun , Zouhair Guennoun , Khalil El-khatib

We investigate the feasibility of high performance scientific computation using cloud computers as an alternative to traditional computational tools. The availability of these large, virtualized pools of compute resources raises the…

材料科学 · 物理学 2009-01-05 J. J. Rehr , J. P. Gardner , M. Prange , L. Svec , F. Vila

With the rapid development of artificial intelligence and the advent of the 5G era, deep learning has received extensive attention from researchers. Broad Learning System (BLS) is a new deep learning model proposed recently, which shows its…

密码学与安全 · 计算机科学 2021-01-11 Haiyang Liu , Hanlin Zhang , Li Guo , Jia Yu , Jie Lin

Searchable Encryption (SE) is a technique that allows Cloud Service Providers (CSPs) to search over encrypted datasets without learning the content of queries and records. In recent years, many SE schemes have been proposed to protect…

密码学与安全 · 计算机科学 2019-09-27 Shujie Cui , Xiangfu Song , Muhammad Rizwan Asghar , Steven D Galbraith , Giovanni Russello

Authenticated data storage on an untrusted platform is an important computing paradigm for cloud applications ranging from big-data outsourcing, to cryptocurrency and certificate transparency log. These modern applications increasingly…

密码学与安全 · 计算机科学 2019-11-11 Yuzhe Tang , Ju Chen , Kai Li , Jianliang Xu , Qi Zhang

Ensuring data correctness over partitioned distributed database systems is a classical problem. Classical solutions proposed to solve this problem are mainly adopting locking or blocking techniques. These techniques are not suitable for…

分布式、并行与集群计算 · 计算机科学 2013-06-04 Islam Elgedawy

Context: The efficient processing of Big Data is a challenging task for SQL and NoSQL Databases, where competent software architecture plays a vital role. The SQL Databases are designed for structuring data and supporting vertical…

数据库 · 计算机科学 2022-09-16 Wisal Khan , Teerath Kumar , Zhang Cheng , Kislay Raj , Arunabha M Roy , Bin Luo

Cloud service providers have launched Machine-Learning-as-a-Service (MLaaS) platforms to allow users to access large-scale cloudbased models via APIs. In addition to prediction outputs, these APIs can also provide other information in a…

密码学与安全 · 计算机科学 2022-05-16 Yongjie Wang , Hangwei Qian , Chunyan Miao

As an important type of cloud data, digital provenance is arousing increasing attention on improving system performance. Currently, provenance has been employed to provide cues regarding access control and to estimate data quality. However,…

密码学与安全 · 计算机科学 2020-01-08 Xinyu Fan , Faen Zhang , Jiahong Wu , Jingming Guo