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Erasure coding techniques are used to increase the reliability of distributed storage systems while minimizing storage overhead. Also of interest is minimization of the bandwidth required to repair the system following a node failure. In a…

信息论 · 计算机科学 2009-10-06 K. V. Rashmi , Nihar B. Shah , P. Vijay Kumar , Kannan Ramchandran

The problem of securing data against eavesdropping in distributed storage systems is studied. The focus is on systems that use linear codes and implement exact repair to recover from node failures.The maximum file size that can be stored…

信息论 · 计算机科学 2013-04-15 Sreechakra Goparaju , Salim El Rouayheb , Robert Calderbank , H. Vincent Poor

Modern computer architectures rely on caches to reduce the latency gap between the CPU and main memory. While indispensable for performance, caches pose a serious threat to security because they leak information about memory access patterns…

密码学与安全 · 计算机科学 2023-06-22 Pablo Cañones , Boris Köpf , Jan Reineke

In a distributed storage systems (DSS), regenerating codes are used to optimize bandwidth in the repair process of a failed node. To optimize other DSS parameters such as computation and disk I/O, Distributed Replication-based Simple…

信息论 · 计算机科学 2013-03-28 Srijan Anil , Manish K. Gupta , T. Aaron Gulliver

In this paper, we investigate the advanced circuit features such as wordline- (WL) underdrive (prevents retention failure) and overdrive (assists write) employed in the peripherals of Dynamic RAM (DRAM) memories from a security perspective.…

硬件体系结构 · 计算机科学 2020-01-06 Karthikeyan Nagarajan , Asmit De , Mohammad Nasim Imtiaz Khan , Swaroop Ghosh

This article provides a tool for analyzing mechanisms that aim to achieve resilience against stealthy, or undetectable, attacks on cyber-physical systems (CPSs). We consider attackers who are able to corrupt all of the inputs and outputs of…

系统与控制 · 电气工程与系统科学 2022-05-03 Paul Griffioen , Bruce H. Krogh , Bruno Sinopoli

This letter investigates the secrecy performance of wireless communication systems assisted by a fluid reconfigurable intelligent surface (FRIS). Unlike conventional reconfigurable intelligent surfaces (RISs) with fixed geometries, FRISs…

Sequence models, such as Large Language Models (LLMs) and autoregressive image generators, have a tendency to memorize and inadvertently leak sensitive information. While this tendency has critical legal implications, existing tools are…

密码学与安全 · 计算机科学 2025-06-06 Lorenzo Rossi , Michael Aerni , Jie Zhang , Florian Tramèr

Consider the problem of storing data in a distributed manner over $T$ servers. Specifically, the data needs to (i) be recoverable from any $\tau$ servers, and (ii) remain private from any $z$ colluding servers, where privacy is quantified…

信息论 · 计算机科学 2024-03-19 Remi A. Chou , Joerg Kliewer

In this paper, we present a new family of fountain codes which overcome adversarial errors. That is, we consider the possibility that some portion of the arriving packets of a rateless erasure code are corrupted in an undetectable fashion.…

信息论 · 计算机科学 2011-11-29 Asaf Cohen , Shlomi Dolev , Nir Tzachar

Zero-shot document re-ranking with Large Language Models (LLMs) has evolved from Pointwise methods to Listwise and Setwise approaches that optimize computational efficiency. Despite their success, these methods predominantly rely on…

信息检索 · 计算机科学 2026-04-28 Haodong Chen , Shengyao Zhuang , Zheng Yao , Guido Zuccon , Teerapong Leelanupab

We propose SANSCrypt, a novel sequential logic encryption scheme to protect integrated circuits against reverse engineering. Previous sequential encryption methods focus on modifying the circuit state machine such that the correct…

密码学与安全 · 计算机科学 2021-02-12 Yinghua Hu , Kaixin Yang , Shahin Nazarian , Pierluigi Nuzzo

Persistent memory provides high-performance data persistence at main memory. Memory writes need to be performed in strict order to satisfy storage consistency requirements and enable correct recovery from system crashes. Unfortunately,…

硬件体系结构 · 计算机科学 2017-05-11 Youyou Lu , Jiwu Shu , Long Sun , Onur Mutlu

CPUs provide isolation mechanisms like virtualization and privilege levels to protect software. Yet these focus on architectural isolation while typically overlooking microarchitectural side channels, exemplified by Meltdown and Foreshadow.…

密码学与安全 · 计算机科学 2025-07-09 Oleksii Oleksenko , Flavien Solt , Cédric Fournet , Jana Hofmann , Boris Köpf , Stavros Volos

Lattice based encryption schemes and linear code based encryption schemes have received extensive attention in recent years since they have been considered as post-quantum candidate encryption schemes. Though LLL reduction algorithm has…

密码学与安全 · 计算机科学 2015-12-29 Yongge Wang

Many emerging Web services, such as email, photo sharing, and web site archives, need to preserve large amounts of quickly-accessible data indefinitely into the future. In this paper, we make the case that these applications' demands on…

数字图书馆 · 计算机科学 2007-05-23 Mary Baker , Mehul Shah , David S. H. Rosenthal , Mema Roussopoulos , Petros Maniatis , TJ Giuli , Prashanth Bungale

It has been pointed out that current protocols for device independent quantum key distribution can leak key to the adversary when devices are used repeatedly and that this issue has not been addressed. We introduce the notion of an…

量子物理 · 物理学 2013-04-16 Matthew McKague , Lana Sheridan

Content storage at the network edge is a promising solution to mitigate the excessive traffic load due to on-demand streaming applications as well as to reduce the streaming delay. To this end, cache-enabled cellular architectures can be…

网络与互联网体系结构 · 计算机科学 2019-02-26 Mehdi Salehi Heydar Abad , Emre Ozfatura , Ozgur Ercetin , Deniz Gunduz

Secure aggregation promises a heightened level of privacy in federated learning, maintaining that a server only has access to a decrypted aggregate update. Within this setting, linear layer leakage methods are the only data reconstruction…

Modern high-performance as well as power-constrained System-on-Chips (SoC) are increasingly using hardware accelerated encryption engines to secure computation, memory access, and communication operations. The electromagnetic (EM) emission…

密码学与安全 · 计算机科学 2018-02-27 Monodeep Kar , Arvind Singh , Sanu Mathew , Santosh Ghosh , Anand Rajan , Vivek De , Raheem Beyah , Saibal Mukhopadhyay