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While storing documents on the cloud can be attractive, the question remains whether cloud providers can be trusted with storing private documents. Even if trusted, data breaches are ubiquitous. To prevent information leakage one can store…

密码学与安全 · 计算机科学 2023-07-04 Marco Dijkslag , Marc Damie , Florian Hahn , Andreas Peter

Recently, Yang et al. introduced an efficient searchable encryption scheme titled "Dynamic Consensus Committee-Based for Secure Data Sharing With Authorized Multi-Receiver Searchable Encryption (DCC-SE)," published in IEEE Transactions on…

密码学与安全 · 计算机科学 2023-11-16 Zi-Yuan Liu , Raylin Tso

Searchable Symmetric Encryption (SSE) enables efficient search capabilities over encrypted data, allowing users to maintain privacy while utilizing cloud storage. However, SSE schemes are vulnerable to leakage attacks that exploit access…

密码学与安全 · 计算机科学 2025-04-30 Joshua Chiu , Partha Protim Paul , Zahin Wahab

Outsourcing encrypted data to the cloud creates a fundamental tension between data privacy and functional searchability. Current Searchable Symmetric Encryption (SSE) solutions frequently have significant limitations, such as excessive…

密码学与安全 · 计算机科学 2026-03-11 Seydina Ousmane Diallo , Maryline Laurent , Nesrine Kaaniche

Multi-user multi-keyword ranked search scheme in arbitrary language is a novel multi-keyword rank searchable encryption (MRSE) framework based on Paillier Cryptosystem with Threshold Decryption (PCTD). Compared to previous MRSE schemes…

密码学与安全 · 计算机科学 2019-02-12 Xueyan Liu , Zhitao Guan , Longfei Wu , Zain Ul Abedin , Mohsen Guizani

Dynamic Searchable Symmetric Encryption (DSSE) allows secure searches over a dynamic encrypted database but suffers from inherent information leakage. Existing passive attacks against DSSE rely on persistent leakage monitoring to infer…

密码学与安全 · 计算机科学 2025-09-05 Hao Nie , Wei Wang , Peng Xu , Wei Chen , Laurence T. Yang , Mauro Conti , Kaitai Liang

Substring-searchable symmetric encryption (substring-SSE) has become increasingly critical for privacy-preserving applications in cloud systems. However, existing schemes remain vulnerable to information leakage during search operations,…

密码学与安全 · 计算机科学 2025-11-04 Xijie Ba , Qin Liu , Xiaohong Li , Jianting Ning

The widespread adoption of cloud infrastructures has revolutionised data storage and access. However, it has also raised concerns regarding the privacy of sensitive data stored in the cloud. To address these concerns, encryption techniques…

密码学与安全 · 计算机科学 2024-07-12 Ivone Amorim , Ivan Costa

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…

密码学与安全 · 计算机科学 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…

密码学与安全 · 计算机科学 2024-03-05 Hao Nie , Wei Wang , Peng Xu , Xianglong Zhang , Laurence T. Yang , Kaitai Liang

Companies and individuals demand more and more storage space and computing power. For this purpose, several new technologies have been designed and implemented, such as the cloud computing. This technology provides its users with storage…

密码学与安全 · 计算机科学 2020-02-25 Fateh Boucenna

Searchable Symmetric Encryption (SSE) allows users to search over encrypted data stored on untrusted servers, like cloud providers. While SSE hides the content of queries and documents, it still leaks patterns, such as how often a query is…

密码学与安全 · 计算机科学 2026-03-10 Chinecherem Dimobi

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,…

密码学与安全 · 计算机科学 2022-09-20 Dmytro Bogatov

Protecting the privacy of keywords in the field of search over outsourced cloud data is a challenging task. In IEEE Transactions on Services Computing (Vol. 17 No. 2, March/April 2024), Li et al. proposed PRMKR: efficient privacy-preserving…

密码学与安全 · 计算机科学 2024-08-13 Uma Sankararao Varri

In this article, we tackle for the first time the problem of dynamic memory-efficient Searchable Symmetric Encryption (SSE). In the term "memory-efficient" SSE, we encompass both the goals of local SSE, and page-efficient SSE. The…

密码学与安全 · 计算机科学 2022-01-14 Brice Minaud , Michael Reichle

Searchable Encryption (SE) enables users to query outsourced encrypted data while preserving data confidentiality. However, most efficient schemes still leak the search pattern and access pattern, which may allow an honest-but-curious cloud…

密码学与安全 · 计算机科学 2026-04-10 Jing Zhang , Ganxuan Yang , Yifei Yang , Siqi Wen , Zhengyang Qiu

Nowadays, huge amount of documents are increasingly transferred to the remote servers due to the appealing features of cloud computing. On the other hand, privacy and security of the sensitive information in untrusted cloud environment is a…

密码学与安全 · 计算机科学 2014-08-26 Mehmet Kuzu , Mohammad Saiful Islam , Murat Kantarcioglu

Cloud computing has become a potential resource for businesses and individuals to outsource their data to remote but highly accessible servers. However, potentials of the cloud services have not been fully unleashed due to users' concerns…

密码学与安全 · 计算机科学 2018-11-27 Hoang Pham , Jason Woodworth , Mohsen Amini Salehi

In the use of a cloud storage, sharing of data with efficient access control is an important requirement in addition to data security and privacy. Cui et al. (IEEE Trans. on Comp. 2016) proposed \textit{key-aggregate searchable encryption…

密码学与安全 · 计算机科学 2020-02-13 Masahiro Kamimura , Naoto Yanai , Shingo Okamura , Jason Paul Cruz

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…

密码学与安全 · 计算机科学 2025-04-17 Nazatul Haque Sultan , Maryline Laurent , Vijay Varadharajan