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Many fabless semiconductor companies outsource their designs to third-party fabrication houses. As trustworthiness of chain after outsourcing including fabrication houses is not established, any adversary in between, with malicious intent…

硬件体系结构 · 计算机科学 2022-01-25 Ramakrishna Vaikuntapu , Vineet Sahula , Lava Bhargava

The power consumption of a microprocessor is a huge channel for information leakage. While the most popular exploitation of this channel is to recover cryptographic keys from embedded devices, other applications such as mobile app…

密码学与安全 · 计算机科学 2021-08-27 Muhammad Arsath K F , Vinod Ganesan , Rahul Bodduna , Chester Rebeiro

Circuit compilation, a crucial process for adapting quantum algorithms to hardware constraints, often operates as a ``black box,'' with limited visibility into the optimization techniques used by proprietary systems or advanced open-source…

量子物理 · 物理学 2025-04-29 Satwik Kundu , Swaroop Ghosh

Performance improvement has been among the foci of all previous amendments of IEEE 802.11 protocol. In addition, the draft high efficiency (HE) amendment IEEE 802.11ax, proposed by TGax, aims at increasing network performance. One of the…

网络与互联网体系结构 · 计算机科学 2019-08-07 M. Zulfiker Ali , Jelena Mišić , Vojislav B. Mišić

Coherent gate errors are a concern in many proposed quantum computing architectures. These errors can be effectively handled through composite pulse sequences for single-qubit gates, however, such techniques are less feasible for entangling…

Semiconductor design houses are increasingly becoming dependent on third party vendors to procure intellectual property (IP) and meet time-to-market constraints. However, these third party IPs cannot be trusted as hardware Trojans can be…

密码学与安全 · 计算机科学 2018-03-13 Adib Nahiyan , Mehdi Sadi , Rahul Vittal , Gustavo Contreras , Domenic Forte , Mark Tehranipoor

A core technique used by popular proxy-based circumvention systems like Tor, Psiphon, and Lantern is to secretly share the IP addresses of circumvention proxies with the censored clients for them to be able to use such systems. For…

密码学与安全 · 计算机科学 2017-09-14 Milad Nasr , Sadegh Farhang , Amir Houmansadr , Jens Grossklags

In wireless communication adversarial scenarios, signals are easily intercepted by non-cooperative parties, exposing the transmission of confidential information. This paper proposes a true-and-false (T/F) frequency multiplexing based…

系统与控制 · 电气工程与系统科学 2025-06-03 Zhisheng Yin , Nan Cheng , Mingjie Wang , Changle Li , Wei Xiang

Since the inception of the Integrated Circuit (IC), the size of the transistors used to construct them has continually shrunk. While this advancement significantly improves computing capability, fabrication costs have skyrocketed. As a…

密码学与安全 · 计算机科学 2020-10-29 Timothy Trippel , Kang G. Shin , Kevin B. Bush , Matthew Hicks

This paper proposes a method to completely hide the functionality of a digital standard cell. This is accomplished by a differential threshold logic gate (TLG). A TLG with $n$ inputs implements a subset of Boolean functions of $n$ variables…

密码学与安全 · 计算机科学 2016-03-25 Joseph Davis , Niranjan Kulkarni , Jinghua Yang , Aykut Dengi , Sarma Vrudhula

Gate camouflaging is a known security enhancement technique that tries to thwart reverse engineering by hiding the functions of gates or the connections between them. A number of works on SAT-based attacks have shown that it is often…

密码学与安全 · 计算机科学 2018-02-27 Shahrzad Keshavarz , Falk Schellenberg , Bastian Richter , Christof Paar , Daniel Holcomb

Readout chips of hybrid pixel detectors use a low power amplifier and threshold discrimination to process charge deposited in semiconductor sensors. Due to transistor mismatch each pixel circuit needs to be calibrated individually to…

仪器与探测器 · 物理学 2017-08-23 Timon Heim , Maurice Garcia-Sciveres

Existing countermeasures for hardware IP protection, such as obfuscation, camouflaging, and redaction, aim to defend against confidentiality and integrity attacks. However, within the current threat model, these techniques overlook the…

密码学与安全 · 计算机科学 2025-01-22 Aritra Dasgupta , Sudipta Paria , Christopher Sozio , Andrew Lukefahr , Swarup Bhunia

{Robust transceiver design against unresolvable system uncertainties is of crucial importance for reliable communication. We consider a MIMO multi-hop system, where the source, the relay, and the destination are equipped with multiple…

信息论 · 计算机科学 2022-08-05 Hosesin Esmaeili , Ali Kariminezhad , Aydin Sezgin

In this work, using 3D device simulation, we perform an extensive gate to source/drain underlap optimization for the recently proposed hybrid transistor, HFinFET, to show that the underlap lengths can be suitably tuned to improve the on-off…

介观与纳米尺度物理 · 物理学 2015-05-27 Kausik Majumdar , Rajaram S. Konjady , Raj Tejas S. , Navakanta Bhat

In this article, we proposed a Variable threshold MOSFET(VTMOS)approach which is realized from Dynamic Threshold MOSFET(DTMOS), suitable for sub-threshold digital circuit operation. Basically the principle of sub- threshold logics is…

其他计算机科学 · 计算机科学 2010-07-15 K. Ragini , M. Satyam , B. C. Jinaga

The globalization of semiconductor supply chains has exposed Network-on-Chip (NoC) interconnects in System-on-Chip (SoC) architectures to critical security risks, including reverse engineering and IP theft. To address these threats, this…

密码学与安全 · 计算机科学 2025-03-10 Dipal Halder

Split manufacturing is a promising technique to defend against fab-based malicious activities such as IP piracy, overbuilding, and insertion of hardware Trojans. However, a network flow-based proximity attack, proposed by Wang et al.…

密码学与安全 · 计算机科学 2017-12-21 Abhrajit Sengupta , Satwik Patnaik , Johann Knechtel , Mohammed Ashraf , Siddharth Garg , Ozgur Sinanoglu

In this paper, we propose a new secure machine learning inference platform assisted by a small dedicated security processor, which will be easier to protect and deploy compared to today's TEEs integrated into high-performance processors.…

密码学与安全 · 计算机科学 2024-10-30 Pengzhi Huang , Thang Hoang , Yueying Li , Elaine Shi , G. Edward Suh

In this work, we propose a new Stepped Oxide Hetero-Material Trench (SOHMT) power MOSFET with three sections in the trench gate (an N+ poly gate sandwiched between two P+ poly gates) and having different gate oxide thicknesses (increasing…

材料科学 · 物理学 2010-08-19 Raghvendra S. Saxena , M. Jagadesh Kumar