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Related papers: Security Analysis of Encrypted Virtual Machines

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Virtualization, after having found widespread adoption in the server and desktop arena, is poised to change the architecture of embedded systems as well. The benefits afforded by virtualization - enhanced isolation, manageability,…

Operating Systems · Computer Science 2018-06-05 Janis Danisevskis , Michael Peter , Jan Nordholz

The ever increasing popularity and availability of Trusted Execution Environments (TEEs) had a stark influence on microarchitectural attack research in academia, as their strong attacker model both boosts existing attack vectors and…

Cryptography and Security · Computer Science 2023-07-28 Luca Wilke , Jan Wichelmann , Anja Rabich , Thomas Eisenbarth

The modern semiconductor industry requires memory solutions that can keep pace with the high-speed demands of high-performance computing. Embedded non-volatile memories (eNVMs) address these requirements by offering faster access to stored…

Cryptography and Security · Computer Science 2025-05-26 Zakia Tamanna Tisha , Ujjwal Guin

Modern processors are increasingly featuring multiple cores, as well as support for hardware virtualization. While these processors are common in desktop and server-class computing, they are less prevalent in embedded and real-time systems.…

Operating Systems · Computer Science 2013-10-25 Richard West , Ye Li , Eric Missimer

In this article, virtualization security concerns in the cloud computing domain are reviewed. The focus is toward virtual machine (VM) security where attacks and vulnerabilities such as VM escape, VM hopping, cross-VM side-channel, VM-based…

Cryptography and Security · Computer Science 2014-11-17 Yasir Shoaib , Olivia Das

Virtual memory is an essential mechanism for enforcing security boundaries, but its relaxed-memory concurrency semantics has not previously been investigated in detail. The concurrent systems code managing virtual memory has been left on an…

Hardware Architecture · Computer Science 2022-03-02 Ben Simner , Alasdair Armstrong , Jean Pichon-Pharabod , Christopher Pulte , Richard Grisenthwaite , Peter Sewell

This paper outlines the design of `Quest-V', which is implemented as a collection of separate kernels operating together as a distributed system on a chip. Quest-V uses virtualization techniques to isolate kernels and prevent local faults…

Operating Systems · Computer Science 2011-12-22 Ye Li , Matthew Danish , Richard West

A privacy-preserving support vector machine (SVM) computing scheme is proposed in this paper. Cloud computing has been spreading in many fields. However, the cloud computing has some serious issues for end users, such as the unauthorized…

Cryptography and Security · Computer Science 2020-01-08 Takahiro Maekawa , Ayana Kawamura , Takayuki Nakachi , Hitoshi Kiya

Confidential computing in the public cloud intends to safeguard workload privacy while outsourcing infrastructure management to a cloud provider. This is achieved by executing customer workloads within so called Trusted Execution…

Confidential computing is a key technology for isolating high-assurance applications from the large amounts of untrusted code typical in modern systems. Existing confidential computing systems cannot be certified for use in critical…

Cryptography and Security · Computer Science 2023-11-02 Wojciech Ozga , Guerney D. H. Hunt , Michael V. Le , Elaine R. Palmer , Avraham Shinnar

Trust is of paramount concern for tenants to deploy their security-sensitive services in the cloud. The integrity of VMs in which these services are deployed needs to be ensured even in the presence of powerful adversaries with…

Cryptography and Security · Computer Science 2021-07-07 Wojciech Ozga , Do Le Quoc , Christof Fetzer

Most existing solutions for protecting VMs assume known attack patterns or signatures and focus on detecting malicious manipulations of system files and kernel level memory structures. In this research we develop a system called ferify,…

Cryptography and Security · Computer Science 2020-04-21 Alexis Peppas , Geoffrey G. Xie , Charles Prince

Cloud computing is a ubiquitous solution to handle today's complex computing demands. However, it comes with data privacy concerns, as the cloud service provider has complete access to code and data running on their infrastructure. VM-based…

Cryptography and Security · Computer Science 2024-06-04 Luca Wilke , Gianluca Scopelliti

Confidential Virtual Machines (CVMs) provide isolation guarantees for data in use, but their threat model does not include physical level protection and side-channel attacks. Therefore, current deployments rely on trusted cloud providers to…

Cryptography and Security · Computer Science 2025-06-19 Filip Rezabek , Jonathan Passerat-Palmbach , Moe Mahhouk , Frieder Erdmann , Andrew Miller

With wide spread acceptance of virtualization, virtual machines (VMs) find their presence in various applications such as Network Address Translation (NAT) servers, firewall servers and MapReduce applications. Typically, in these…

Operating Systems · Computer Science 2019-09-27 Shesha Sreenivasamurthy , Ethan Miller

Isolation is a long-standing challenge of software security. Traditional privilege rings and virtual memory are more and more augmented with concepts such as capabilities, protection keys, and powerful enclaves. At the same time, we are…

Cryptography and Security · Computer Science 2021-05-10 Stefan Steinegger , David Schrammel , Samuel Weiser , Pascal Nasahl , Stefan Mangard

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

Virtualization became recently a hot topic once again, after being dormant for more than twenty years. In the meantime, it has been almost forgotten, that virtual machines are not so perfect isolating environments as it seems, when looking…

Operating Systems · Computer Science 2007-05-23 Joachim J. Wlodarz

Hardware-enclaves that target complex CPU designs compromise both security and performance. Programs have little control over micro-architecture, which leads to side-channel leaks, and then have to be transformed to have worst-case control-…

Cryptography and Security · Computer Science 2020-07-16 Sarbartha Banerjee , Prakash Ramrakhyani , Shijia Wei , Mohit Tiwari

Nowadays, industries are looking into virtualization as an effective means to build safe applications, thanks to the isolation it can provide among virtual machines (VMs) running on the same hardware. In this context, a fundamental issue is…

Cryptography and Security · Computer Science 2023-03-24 Carmine Cesarano , Marcello Cinque , Domenico Cotroneo , Luigi De Simone , Giorgio Farina