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Mathematically-secure cryptographic algorithms leak significant side channel information through their power supplies when implemented on a physical platform. These side channel leakages can be exploited by an attacker to extract the secret…

Cryptography and Security · Computer Science 2020-03-18 Archisman Ghosh , Debayan Das , Shreyas Sen

The family of Information Dispersal Algorithms is applied to distributed systems for secure and reliable storage and transmission. In comparison with perfect secret sharing it achieves a significantly smaller memory overhead and better…

Cryptography and Security · Computer Science 2017-05-30 Katarzyna Kapusta , Gerard Memmi , Hassan Noura

Semiconductor supply chain is increasingly getting exposed to variety of security attacks such as Trojan insertion, cloning, counterfeiting, reverse engineering (RE) and piracy of Intellectual Property (IP) due to involvement of untrusted…

Cryptography and Security · Computer Science 2017-05-09 Jae-Won Jang , Swaroop Ghosh

There is a big gap between theory and practice in quantum key distribution (QKD) because real devices do not satisfy the assumptions required by the security proofs. Here, we close this gap by introducing a simple and practical…

Quantum Physics · Physics 2021-03-31 Álvaro Navarrete , Margarida Pereira , Marcos Curty , Kiyoshi Tamaki

Spectre v1 attacks pose a substantial threat to security-critical software, particularly cryptographic implementations. Existing software mitigations, however, often introduce excessive overhead by indiscriminately hardening instructions…

Cryptography and Security · Computer Science 2025-06-10 Yiming Zhu , Wenchao Huang , Yan Xiong

This paper considers the problem of simultaneously communicating two messages, a high-security message and a low-security message, to a legitimate receiver, referred to as the security embedding problem. An information-theoretic formulation…

Information Theory · Computer Science 2011-02-09 Hung D. Ly , Tie Liu , Yufei Blankenship

In a world heavily loaded by information, there is a great need for keeping specific information secure from adversaries. The rapid growth in the research field of lightweight cryptography can be seen from the list of the number of…

Cryptography and Security · Computer Science 2018-06-27 Sukanya Saha , Krishnendu Rarhi , Abhishek Bhattacharya

Cryptographic protocols are often implemented at upper layers of communication networks, while error-correcting codes are employed at the physical layer. In this paper, we consider utilizing readily-available physical layer functions, such…

Information Theory · Computer Science 2021-01-26 Nasser Aldaghri , Hessam Mahdavifar

3D die stacking and 2.5D interposer design are promising technologies to improve integration density, performance and cost. Current approaches face serious issues in dealing with emerging security challenges such as side channel attacks,…

Cryptography and Security · Computer Science 2025-08-28 Peng Gu , Shuangchen Li , Dylan Stow , Russell Barnes , Liu Liu , Yuan Xie , Eren Kursshan

With the advancement of technology in the last few decades, leading to the widespread availability of miniaturized sensors and internet-connected things (IoT), security of electronic devices has become a top priority. Side-channel attack…

Cryptography and Security · Computer Science 2018-02-14 Debayan Das , Shovan Maity , Saad Bin Nasir , Santosh Ghosh , Arijit Raychowdhury , Shreyas Sen

We are interested in investigating the security of source encryption with a symmetric key under side-channel attacks. In this paper, we propose a general framework of source encryption with a symmetric key under the side-channel attacks,…

Information Theory · Computer Science 2022-05-05 Yasutada Oohama , Bagus Santoso

Modern processors dynamically control their operating frequency to optimize resource utilization, maximize energy savings, and conform to system-defined constraints. If, during the execution of a software workload, the running average of…

Cryptography and Security · Computer Science 2023-05-25 Chen Liu , Abhishek Chakraborty , Nikhil Chawla , Neer Roggel

We present the design of a novel free-space quantum cryptography system, complete with purpose-built software, that can operate in daylight conditions. The transmitter and receiver modules are built using inexpensive off-the-shelf…

Quantum Physics · Physics 2007-05-23 J. L. Duligall , M. S. Godfrey , K. A. Harrison , W. J. Munro , J. G. Rarity

The rise of smart contract systems such as Ethereum has resulted in a proliferation of blockchain-based decentralized applications including applications that store and manage a wide range of data. Current smart contracts are designed to be…

Cryptography and Security · Computer Science 2019-02-26 Chao Li , Balaji Palanisamy , Runhua Xu

This paper proposes a novel power-efficient light-emitting diode (LED) placement algorithm for indoor visible light communication (VLC). In the considered model, the LEDs can be designedly placed for high power efficiency while satisfying…

Signal Processing · Electrical Eng. & Systems 2020-12-30 Yang Yang , Zhiyu Zhu , Caili Guo , Chunyan Feng

The code generation modules inside modern compilers such as GCC and LLVM, which use a limited number of CPU registers to store a large number of program variables, may introduce side-channel leaks even in software equipped with…

Cryptography and Security · Computer Science 2019-02-28 Jingbo Wang , Chungha Sung , Chao Wang

Designing an efficient protocol for avoiding the threat of recording based attack in presence of a powerful eavesdropper remains a challenge for more than two decades. During authentication, the absence of any secure link between the prover…

Cryptography and Security · Computer Science 2017-05-31 Nilesh Chakraborty , Samrat Mondal

Despite encryption, the packet size is still visible, enabling observers to infer private information in the Internet of Things (IoT) environment (e.g., IoT device identification). Packet padding obfuscates packet-length characteristics…

Cryptography and Security · Computer Science 2023-09-13 Mnassar Alyami , Abdulmajeed Alghamdi , Mohammed Alkhowaiter , Cliff Zou , Yan Solihin

Side-channel attacks impose a serious threat to cryptographic algorithms, including widely employed ones, such as AES and RSA. These attacks take advantage of the algorithm implementation in hardware or software to extract secret…

Cryptography and Security · Computer Science 2022-12-06 Rodothea Myrsini Tsoupidi , Roberto Castañeda Lozano , Elena Troubitsyna , Panagiotis Papadimitratos

In this paper we discuss the ability of channel codes to enhance cryptographic secrecy. Toward that end, we present the secrecy metric of degrees of freedom in an attacker's knowledge of the cryptogram, which is similar to equivocation.…

Cryptography and Security · Computer Science 2015-09-24 W. K. Harrison , J. Almeida , S. W. McLaughlin , J. Barros