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We examine the security of a cloud storage service that makes very strong claims about the ``trustless'' nature of its security. We find that, although stored files are end-to-end encrypted, the encryption method allows for effective…

Cryptography and Security · Computer Science 2025-04-01 Vanessa Teague , Arash Mirzaei

Memory safety is a cornerstone of secure and robust software systems, as it prevents a wide range of vulnerabilities and exploitation techniques. Among these, we focus on Return-Oriented Programming (ROP). ROP works as such: the attacker…

Cryptography and Security · Computer Science 2023-11-03 Federico Cassano , Charles Bershatsky , Jacob Ginesin , Sasha Bashenko

In recent year, the write-heavy applications is more and more prevalent. How to efficiently handle this sort of workload is one of intensive research direction in the field of database system. The overhead caused by write operation is…

Databases · Computer Science 2019-04-18 Huaibing Jian , Yuean Zhu , Yongchao Long , Bin Li , Shu Wang , Xiliang Wu , Zhichu Zhong

This study focuses on the creation and implementation of ransomware for educational purposes that leverages Python's native cryptographic APIs in a controlled environment. Additionally, an Android version of the framework is implemented…

Cryptography and Security · Computer Science 2025-08-19 James Gu , Ahmed Sartaj , Mohammed Akram Taher Khan , Rashid Hussain Khokhar

Current trends in technology, such as cloud computing, allow outsourcing the storage, backup, and archiving of data. This provides efficiency and flexibility, but also poses new risks for data security. It in particular became crucial to…

Cryptography and Security · Computer Science 2017-08-08 Christian Weinert , Denise Demirel , Martín Vigil , Matthias Geihs , Johannes Buchmann

This paper presents DAEDALUS, a software diversity-based framework designed to resist ROP attacks on Linux-based IoT devices. DAEDALUS generates unique, semantically equivalent but syntactically different rewrites of IoT firmware,…

Cryptography and Security · Computer Science 2024-01-30 Islam Obaidat , Meera Sridhar , Fatemeh Tavakoli

In the context of asynchronous concurrent shared-memory systems, a snapshot algorithm allows failure-prone processes to concurrently and atomically write on the entries of a shared array MEM , and also atomically read the whole array.…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-02-20 Armando Castañeda , Braulio Ramses Hernández Martínez

As cloud computing continues to advance and become an integral part of modern IT infrastructure, container security has emerged as a critical factor in ensuring the smooth operation of cloud-native applications. An attacker can attack the…

Cryptography and Security · Computer Science 2025-09-22 Kai Tan , Dongyang Zhan , Lin Ye , Hongli Zhang , Binxing Fang , Zhihong Tian

Adversaries with physical access to a target platform can perform cold boot or DMA attacks to extract sensitive data from the RAM. In response, several main-memory encryption schemes have been proposed to prevent such attacks. Also hardware…

Cryptography and Security · Computer Science 2016-12-13 Robert Buhren , Shay Gueron , Jan Nordholz , Jean-Pierre Seifert , Julian Vetter

Reliable storage emulations from fault-prone components have established themselves as an algorithmic foundation of modern storage services and applications. Most existing reliable storage emulations are built from storage services…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-08-18 Gregory Chockler , Dan Dobre , Alexander Shraer , Alexander Spiegelman

With web applications becoming a preferred method of presenting graphical user interfaces to users, software vulnerabilities affecting web applications are becoming more and more prevalent and devastating. Some of these vulnerabilities,…

Cryptography and Security · Computer Science 2019-08-14 Michael Flanders

Shared folders are still a common practice for granting third parties access to data files, regardless of the advances in data sharing technologies. Services like Google Drive, Dropbox, Box, and others, provide infrastructures and…

Cryptography and Security · Computer Science 2021-09-01 Stefano Braghin , Marco Simioni , Mathieu Sinn

In typical software, many comparisons and subsequent branch operations are highly critical in terms of security. Examples include password checks, signature checks, secure boot, and user privilege checks. For embedded devices, these…

Cryptography and Security · Computer Science 2018-03-23 Robert Schilling , Mario Werner , Stefan Mangard

Data breaches-mass leakage of stored information-are a major security concern. Encryption can provide confidentiality, but encryption depends on a key which, if compromised, allows the attacker to decrypt everything, effectively instantly.…

Cryptography and Security · Computer Science 2020-10-15 Moe Sabry , Reza Samavi , Douglas Stebila

Detecting encryption-driven cyber threats remains a large challenge due to the evolving techniques employed to evade traditional detection mechanisms. An entropy-based computational framework was introduced to analyze multi-domain system…

Cryptography and Security · Computer Science 2025-03-27 Michael Mannon , Evan Statham , Quentin Featherstone , Sebastian Arkwright , Clive Fenwick , Gareth Willoughby

More-versatile memory is strongly desired for end-users to protect their information in the information era. In particular, bit-level switchable memory, from rewritable to read-only function, allows end-users to prevent any important data…

Applied Physics · Physics 2022-08-01 Yu Sheng , Weiyang Wang , Yongcheng Deng , Yang Ji , Houzhi Zheng , Kaiyou Wang

Crypto-ransomware remains a significant threat to governments and companies alike, with high-profile cyber security incidents regularly making headlines. Many different detection systems have been proposed as solutions to the ever-changing…

Cryptography and Security · Computer Science 2023-05-31 Simon R Davies , Richard Macfarlane , William J Buchanan

Network processing elements in virtual machines, also known as Network Function Virtualization (NFV) often face CPU bottlenecks at the virtualization interface. Even highly optimized paravirtual device interfaces fall short of the…

Operating Systems · Computer Science 2016-09-23 Piyus Kedia , Sorav Bansal

Software vulnerabilities remain a significant risk factor in achieving security objectives within software development organizations. This is especially true where either proprietary or open-source software (OSS) is included in the…

Software Engineering · Computer Science 2025-09-23 James J. Cusick

CapsuleFS (CFS) is the first filesystem to integrate multi-credential functionality within a POSIX-compliant framework, utilizing DataCapsule as the storage provider. This innovative system is established based on the Global Data Plane in…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-10 Qingyang Hu , Yucheng Huang , Manshi Yang