activity
20232026
collaborators

12 papers

cs.CR2026

Beyond the Trust Boundary: A Critical Reassessment of the FIDO2 Threat Model

Aditya Mitra, Kolluru Sai Abhiram, Sibi Chakkaravarthy Sethuraman +1

FIDO2/WebAuthn has been widely deployed as a phishing-resistant authentication scheme. Because FIDO2 relies on public-key cryptography and hardware-backed authenticators, its secur…

cs.CR2026

SSHafe: A Real-Time SSH Brute Force Attack Detection and Novel Credential Rotation Standard

Aditya Mitra, Amar Kumar Mandal, Amaan Rais Shah +3

SSH remains a critical yet heavily targeted protocol for remote system administration, with password-based authentication exposing servers to large-scale brute-force, dictionary, a…

cs.CR2026

SFDS: Selective File Disclosure System

Aditya Mitra, Quazi Fariha Tasnim, Hristina Mihajloska Trpcheska

Access control to networked resources has been a longstanding challenge. The conventional solution relies on authentication mechanisms, which introduce additional complexities asso…

cs.ET2026

BIDO: A Biometric Identity Online Authentication Framework

Aditya Mithra, Sibi Chakkaravarthy S, Srinivas Kankanala

Security systems demand continuous, cryptograph- ically robust identity verification without requiring subjects to carry physical tokens, smart cards, or dedicated hardware authent…

cs.CR2025

Verifiable Passkey: The Decentralized Authentication Standard

Aditya Mitra, Sibi Chakkaravarthy Sethuraman

Passwordless authentication has revolutionized the way we authenticate across various websites and services. FIDO2 Passkeys, is one of the most-widely adopted standards of password…

cs.CR2025

CAHICHA: Computer Automated Hardware Interaction test to tell Computer and Humans Apart

Aditya Mitra, Sibi Chakkaravarthy Sethuraman, Devi Priya V S

As automation bot technology and Artificial Intelligence is evolving rapidly, conventional human verification techniques like voice CAPTCHAs and knowledge-based authentication are…

cs.CR2025

The Qey: Implementation and performance study of post quantum cryptography in FIDO2

Aditya Mitra, Sibi Chakkaravarthy Sethuraman

Authentication systems have evolved a lot since the 1960s when Fernando Corbato first proposed the password-based authentication. In 2013, the FIDO Alliance proposed using secure h…

cs.ET2025

Blind Eye: Motion and Obstacle Detection Leveraging Wi-Fi

Aditya Mitra, Anisha Ghosh, Sibi Chakkaravarthy S +1

Wireless Fidelity or Wi-Fi, has completely transfigured wireless networking by offering a smooth connection to the internet and networks, particularly when dealing with enclosed en…

cs.CR2024

Colaboot: A Cloud-based Diskless PC Booting Mechanism

Aditya Mitra, Anisha Ghosh, Sibi Chakkaravarthy Sethuraman +1

Recent increases in endpoint-based security events and threats compelled enterprise operations to switch to virtual desktop infrastructure and web-based applications. In addition t…

cs.CR2024

Conceptual Design and Implementation of FIDO2 compatible Smart Card for Decentralized Financial Transaction System

Anisha Ghosh, Aditya Mitra, Sibi Chakkaravarthy Sethuraman +1

With challenges and limitations associated with security in the fintech industry, the rise to the need for data protection increases. However, the current existing passwordless and…

cs.HC2024

MERP: Metaverse Extended Realtiy Portal

Anisha Ghosh, Aditya Mitra, Anik Saha +2

A standardized control system called Metaverse Extended Reality Portal (MERP) is presented as a solution to the issues with conventional VR eyewear. The MERP system improves user a…

cs.CR2023

TUSH-Key: Transferable User Secrets on Hardware Key

Aditya Mitra, Anisha Ghosh, Sibi Chakkaravarthy Sethuraman

Passwordless authentication was first tested for seamless and secure merchant payments without the use of passwords or pins. It opened a whole new world of authentications giving u…