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Biometric authentication involves various technologies to identify individuals by exploiting their unique, measurable physiological and behavioral characteristics. However, traditional biometric authentication systems (e.g., face…

Machine Learning · Computer Science 2019-05-28 Xiang Zhang , Lina Yao , Chaoran Huang , Tao Gu , Zheng Yang , Yunhao Liu

We propose a novel quantum-resistant mutual authentication scheme for radio-frequency identification (RFID) systems. Our scheme uses lattice-based cryptography and, in particular, achieves quantum-resistance by leveraging the hardness of…

Cryptography and Security · Computer Science 2026-04-01 Vaibhav Kumar , Kaiwalya Joshi , Bhavya Dixit , Gaurav S. Kasbekar

Fully Homomorphic Encryption (FHE) enables privacy-preserving Transformer inference, but long-sequence encrypted Transformers quickly exceed single-GPU memory capacity because encoded weights are already large and encrypted activations grow…

Cryptography and Security · Computer Science 2026-04-07 Zhaoting Gong , Ran Ran , Fan Yao , Wujie Wen

In this work we investigate the problem of simultaneous privacy and integrity protection in cryptographic circuits. We consider a white-box scenario with a powerful, yet limited attacker. A concise metric for the level of probing and fault…

Cryptography and Security · Computer Science 2009-07-27 Berndt M. Gammel , Stefan Mangard

Customer Identity and Access Management (CIAM) systems play a pivotal role in securing enterprise infrastructures. However, the complexity of implementing these systems requires careful architectural planning to ensure positive Return on…

Cryptography and Security · Computer Science 2025-01-06 Shivom Aggarwal , Shourya Mehra , Safeer Sathar

Though not yet widely deployed, password-authenticated key exchange (PAKE) protocols have been the subject of several recent standardization efforts, partly because of their resistance against various guessing attacks, but also because they…

Cryptography and Security · Computer Science 2026-02-10 Eloise Christian , Tejas Gadwalkar , Arthur Azevedo de Amorim , Edward V. Zieglar

Pairing-based inner product functional encryption provides an efficient theoretical construction for privacy-preserving edge computing secured by widely deployed elliptic curve cryptography. In this work, an efficient software…

Cryptography and Security · Computer Science 2025-04-04 Utsav Banerjee

A continuous aperture array (CAPA)-based secure communication system is investigated, where a base station equipped with a CAPA transmits signals to a legitimate user under the existence of an eavesdropper. For improving the secrecy…

Signal Processing · Electrical Eng. & Systems 2025-04-16 Jingjing Zhao , Haowen Song , Xidong Mu , Kaiquan Cai , Yanbo Zhu , Yuanwei Liu

FIDO2 and the WebAuthn standard offer phishing-resistant, public-key based authentication but traditionally rely on device-bound cryptographic keys that are not naturally portable across user devices. Recent passkey deployments address this…

Cryptography and Security · Computer Science 2026-01-13 Kemal Bicakci , Fatih Mehmet Varli , Muhammet Emir Korkmaz , Yusuf Uzunay

Many parallel data frameworks have been proposed in recent years that let sequential programs access parallel processing. To capitalize on the benefits of such frameworks, existing code must often be rewritten to the domain-specific…

Programming Languages · Computer Science 2016-11-24 Maaz Bin Safeer Ahmad , Alvin Cheung

Online services commonly attempt to verify the legitimacy of users with CAPTCHAs. However, CAPTCHAs are annoying for users, often difficult for users to solve, and can be defeated using cheap labor or, increasingly, with improved…

Cryptography and Security · Computer Science 2017-11-07 Ben Doyle , Patrick Korth , Kyle Nekritz , Zane Salem

Public Key Infrastructures (PKIs) with their trusted Certificate Authorities (CAs) provide the trust backbone for the Internet: CAs sign certificates which prove the identity of servers, applications, or users. To be trusted by operating…

Cryptography and Security · Computer Science 2020-09-21 Jens Hiller , Johanna Amann , Oliver Hohlfeld

Authentication in TLS is predominately carried out with X.509 digital certificates issued by certificate authorities (CA). The centralized nature of current public key infrastructures, however, comes along with severe risks, such as single…

Cryptography and Security · Computer Science 2025-01-14 Sandro Rodriguez Garzon , Dennis Natusch , Artur Philipp , Axel Küpper , Hans Joachim Einsiedler , Daniela Schneider

OpenClaw has rapidly established itself as a leading open-source autonomous agent runtime, offering powerful capabilities including tool integration, local file access, and shell command execution. However, these broad operational…

Cryptography and Security · Computer Science 2026-03-26 Songyang Liu , Chaozhuo Li , Chenxu Wang , Jinyu Hou , Zejian Chen , Litian Zhang , Zheng Liu , Qiwei Ye , Yiming Hei , Xi Zhang , Zhongyuan Wang

The exponential growth of Internet of Things (IoT) applications has intensified the demand for efficient, high-throughput, and energy-efficient data processing at the edge. Conventional CPU-centric encryption methods suffer from performance…

Cryptography and Security · Computer Science 2025-06-19 Rasha Karakchi , Rye Stahle-Smith , Nishant Chinnasami , Tiffany Yu

Previous studies have demonstrated that commonly studied (vanilla) touch-based continuous authentication systems (V-TCAS) are susceptible to population attack. This paper proposes a novel Generative Adversarial Network assisted TCAS…

Cryptography and Security · Computer Science 2021-06-16 Mohit Agrawal , Pragyan Mehrotra , Rajesh Kumar , Rajiv Ratn Shah

In an open network environment, privacy of group communication and integrity of the communication data are the two major issues related to secured information exchange. The required level of security may be achieved by authenticating a…

Cryptography and Security · Computer Science 2014-10-16 Dipak Kumar Kole , Subhadip Basu

The Model Context Protocol (MCP) is an open and standardized interface that enables large language models (LLMs) to interact with external tools and services, and is increasingly adopted by AI agents. However, the security of MCP-based…

Cryptography and Security · Computer Science 2026-03-10 Yuhang Huang , Boyang Ma , Biwei Yan , Xuelong Dai , Yechao Zhang , Minghui Xu , Kaidi Xu , Yue Zhang

The existing authentication system has two entry points (i.e., username and password fields) to interact with the outside, but neither of them has a gatekeeper, making the system vulnerable to cyberattacks. In order to ensure the…

Cryptography and Security · Computer Science 2024-09-26 Suyun Borjigin

Current authentication methods on the Web have serious weaknesses. First, services heavily rely on the traditional password paradigm, which diminishes the end-users' security and usability. Second, the lack of attribute-based authentication…