Liehuang Zhu

Certificate-aware encrypted traffic classification using Second-Order Markov Chain

2016

With the prosperity of network applications, traffic classification serves as a crucial role in network management and malicious attack detection. The widely used encryption transmission protocols, such as the Secure Socket Layer/Transport Layer Security (SSL/TLS) …

Effective and Robust Physical-World Attacks on Deep Learning Face Recognition Systems

2021 · IEEE Transactions on Information Forensics and Security

Deep neural networks (DNNs) have been increasingly used in face recognition (FR) systems. Recent studies, however, show that DNNs are vulnerable to adversarial examples, which potentially mislead DNN-based FR systems in the physical world. Existing …

Toward Reliable and Confidential Release for Smart Contract via ID-Based TRE

2021 · IEEE Internet of Things Journal

The concept of time release provides a new mode of sending information to the future, where the message will be available after a certainly specified period. Time-release encryption (TRE), as a promising approach, has a …

Report When Malicious: Deniable and Accountable Searchable Message-Moderation System

2022 · IEEE Transactions on Information Forensics and Security

Encrypted retrieval ensures the secure retrieval over the encrypted data without sacrificing the confidentiality. Its applications in the database systems have brought this primitive under the spotlight. Once the malicious sender sends the wrong message, …

A Novel Covert Timing Channel Based on Bitcoin Messages

2023 · IEEE Transactions on Computers

Covert channels serve the construction of cyberspace security. By realizing the secure transmission of data, it is widely used in political and financial fields. Blockchain covert channels have higher reliability and concealment compared to traditional …

A Comparative Evaluation of Automated Analysis Tools for Solidity Smart Contracts

2023 · arXiv (Cornell University)

Blockchain smart contracts have emerged as a transformative force in the digital realm, spawning a diverse range of compelling applications. Since solidity smart contracts across various domains manage trillions of dollars in virtual coins, they …

Bitwise Mixture Differential Cryptanalysis and Its Application to SIMON

2024 · IEEE Internet of Things Journal

With the proliferation of IoT devices today, the need to strengthen the security of these devices is becoming increasingly urgent, particularly the need to review the security of lightweight block ciphers. SIMON is a lightweight …

Low-Latency and Area-Efficient Elliptic Curve Point Multiplication Architectures Over Koblitz Curves

2025 · IEEE Internet of Things Journal

Point multiplication is the core operation in elliptic curve cryptography. Koblitz curves are a special class of curves that can utilize the Frobenius mapping to accelerate the implementation of point multiplication operations. For point multiplication …