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Side-channel information leakage is a known limitation of SGX. Researchers have demonstrated that secret-dependent information can be extracted from enclave execution through page-fault access patterns. Consequently, various recent research…

Cryptography and Security · Computer Science 2017-02-27 Ferdinand Brasser , Urs Müller , Alexandra Dmitrienko , Kari Kostiainen , Srdjan Capkun , Ahmad-Reza Sadeghi

Due to increasing cache sizes and large leakage consumption of SRAM device, conventional SRAM caches contribute significantly to the processor power consumption. Recently researchers have used non-volatile memory devices to design caches,…

Hardware Architecture · Computer Science 2014-05-01 Sparsh Mittal

Consider a set-associative cache with $p^n$ sets and $p^n$ ways where $p$ is prime and $n>0$. Furthermore, assume that the cache may be shared among $p^n$ mutually distrusting principals that may use the Prime+Probe side-channel attack…

Cryptography and Security · Computer Science 2021-10-01 Scott Constable , Thomas Unterluggauer

Caching aims to store data locally in some nodes within the network to be able to retrieve the contents in shorter time periods. However, caching in the network did not always consider secure storage (due to the compromise between time…

Information Theory · Computer Science 2017-09-04 Mohsen Karimzadeh Kiskani , Hamid Sadjadpour

In-network caching is one of the fundamental operations of Information-centric networks (ICN). The default caching strategy taken by most of the current ICN proposals is caching along--default--path, which makes popular objects to be cached…

Networking and Internet Architecture · Computer Science 2015-02-10 Sumanta Saha , Andrey Lukyanenko , Antti Ylä-Jääski

Edge caching (EC) decreases the average access delay of the end-users through caching popular content at the edge network, however, it increases the leakage probability of valuable information such as users preferences. Most of the existing…

Networking and Internet Architecture · Computer Science 2023-03-28 Seyedeh Bahereh Hassanpour , Ahmad Khonsari , Masoumeh Moradian , Seyed Pooya Shariatpanahi

Cache prefetcher greatly eliminates compulsory cache misses, by fetching data from slower memory to faster cache before it is actually required by processors. Sophisticated prefetchers predict next use cache line by repeating program's…

Hardware Architecture · Computer Science 2017-12-05 Haoyuan Wang , Zhiwei Luo

We consider a basic cache network, in which a single server is connected to multiple users via a shared bottleneck link. The server has a database of files (content). Each user has an isolated memory that can be used to cache content in a…

Information Theory · Computer Science 2019-02-19 Qian Yu , Mohammad Ali Maddah-Ali , A. Salman Avestimehr

Timing channels in cache hierarchies are an important enabler in many microarchitectural attacks. ScatterCache (USENIX 2019) is a protected cache architecture that randomizes the address-to-index mapping with a keyed cryptographic function,…

Cryptography and Security · Computer Science 2019-08-12 Antoon Purnal , Ingrid Verbauwhede

Cache attacks exploit memory access patterns of cryptographic implementations. Constant-Time implementation techniques have become an indispensable tool in fighting cache timing attacks. These techniques engineer the memory accesses of…

Cryptography and Security · Computer Science 2018-11-20 Ahmad Moghimi , Thomas Eisenbarth , Berk Sunar

We consider content caching between a service provider and multiple cache-enabled users, using the recently proposed modified coded caching scheme (MCCS) that provides an improved delivery strategy for random user requests. We develop the…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-05-20 Yong Deng , Min Dong

Network slicing in 5G and the future 6G networks will enable the creation of multiple virtualized networks on a shared physical infrastructure. This innovative approach enables the provision of tailored networks to accommodate specific…

Cryptography and Security · Computer Science 2024-09-18 Wei Shao , Chandra Thapa , Rayne Holland , Sarah Ali Siddiqui , Seyit Camtepe

Caching at base stations (BSs) is a promising approach for supporting the tremendous traffic growth of content delivery over future small-cell wireless networks with limited backhaul. This paper considers exploiting spatial caching…

Signal Processing · Electrical Eng. & Systems 2018-08-09 Wei Han , An Liu , Wei Yu , Vincent K. N. Lau

The tradeoff between the user's memory size and the worst-case download time in the $(H,r,M,N)$ combination network is studied, where a central server communicates with $K$ users through $H$ immediate relays, and each user has local cache…

Information Theory · Computer Science 2018-03-01 Kai Wan , Daniela Tuninetti , Mingyue Ji , Pablo Piantanida

We propose a new decentralized coded caching scheme for a two-phase caching network, where the data placed in user caches in the prefetching phase are random portions of a maximal distance separable (MDS) coded version of the original…

Information Theory · Computer Science 2018-06-27 Yi-Peng Wei , Sennur Ulukus

We present a software approach to mitigate access-driven side-channel attacks that leverage last-level caches (LLCs) shared across cores to leak information between security domains (e.g., tenants in a cloud). Our approach dynamically…

Cryptography and Security · Computer Science 2016-03-18 Ziqiao Zhou , Michael K. Reiter , Yinqian Zhang

Performance metrics-driven context caching has a profound impact on throughput and response time in distributed context management systems for real-time context queries. This paper proposes a reinforcement learning based approach to…

Systems and Control · Electrical Eng. & Systems 2023-02-10 Shakthi Weerasinghe , Arkady Zaslavsky , Seng W. Loke , Amin Abken , Alireza Hassani

Cache side-channel attacks lead to severe security threats to the settings that a CPU is shared across users, e.g., in the cloud. The existing attacks rely on sensing the micro-architectural state changes made by victims, and this…

Cryptography and Security · Computer Science 2021-03-09 Junpeng Wan , Yanxiang Bi , Zhe Zhou , Zhou Li

With an ever increasing demand for the delivery of internet video service, the service providers are facing a huge challenge to deliver ultra-HD (2k/4k) video at sub-second latency. The multi-access edge computing (MEC) platform actually…

Networking and Internet Architecture · Computer Science 2022-04-07 Suvadip Batabyal

The multiaccess coded caching (MACC) system, as formulated by Hachem {\it et al.}, consists of a central server with a library of $N$ files, connected to $K$ cache-less users via an error-free shared link, and $K$ cache nodes, each equipped…

Information Theory · Computer Science 2026-01-19 Wenbo Huang , Minquan Cheng , Kai Wan , Xiaojun Li , Robert Caiming Qiu , Giuseppe Caire