Special Issue on Cryptography and Secure Intelligent Systems : Biometrics, Blockchain, Homomorphic Encryption, and FinTech Security

Chirag Joshi, Gaurav Kumawat, Neeraj Kumar Verma, Sarvesh Kumar

In this paper: This special issue titled “Cryptography and Secure Intelligent Systems: Biometrics, Blockchain, Homomorphic Encryption, and FinTech Security” presents cutting-edge research connecting discrete mathema...

Secure vein biometrics authentication based on multimodal artificial template and cryptographic salts

Sarika Khandelwal, Khyati Rami, Harsha Vyawahare, Alok Singh Gahlot, Ruchi Vyas, Gaurav Kumawat

In this paper: Hidden biometrics, due to their resistance to duplication and hacking, offer superior security. This work utilizes vein biometrics for their hidden nature, specifically combining palm and finger vein...

Cryptographic protocols for passwordless systems with enhanced security

Gaurav Kumawat, Tapan Kant, Vivek Bhardwaj, Mukesh Kumar, Abdulnaser Rashid, Mohamed Tahar Ben Othman

In this paper: Password-based authentication systems are vulnerable to a variety of security risks, such as phishing, credential theft, and user fatigue due to complex password requirements. This paper introduces a...

A private key cryptographic framework for preventing replay attacks and digital signature verification in securing blockchain networks 

Govind Murari Upadhyay, Mukesh Joshi, Surabhi Shanker, Anu, Ajay Kumar Phogat, Prashant Vats

In this paper: Blockchain technology is becoming a ground-breaking system for safe, decentralized transactions in a variety of industries. Assuring transaction integrity, validity, and non-repudiation is still a dif...

AI-powered framework for real-time dark web monitoring and cybersecurity threat detection

Amit Kumar Sharma, Nandini Babbar, Prajeeta Pal, Neeraj Kumar Verma, Ravindra Kumar Saini

In this paper: The dark web dating back from the 1970s encompasses an unknown part of the internet that has an abstract and protected layer. Its uses range from the illegal breaching of internet security and drug tr...

Mathematical foundations of secure AI : Homomorphic encryption for distributed learning systems

Nandini Babbar, Amit Kumar Sharma, Ravindra Kumar Saini, Neeraj Kumar Verma

In this paper: Issues concerning the safety and privacy of facts are heightened with the upward push of new disbursed studying structures like federated getting to know. the extent of computation accomplished on enc...

Cybersecurity in FinTech : Strategies for protecting digital finance from cyber threats and ensuring secure transactions

Suresh Kumar Jha, Shraddha Verma, Shivani Gupta, K. Kiran Kumar, Dhiraj Kapila, Smaranika Mohapatra

In this paper: Cybersecurity has become essential in safeguarding digital finance from increasingly sophisticated threats such as data breaches, fraud and regulatory non-compliance. As financial services become more...

Cybersecurity in voice over IP (VoIP) systems : Protecting communication networks from threats, vulnerabilities, and cyber attacks

Ashish Tiwari, Sushanth Chandra Addimulam, Nilesh Dubey, K. Kiran Kumar, Dhiraj Kapila, Kusumlata Jain

In this paper: Voice over Internet Protocol (VoIP) technology facilitates voice communication over IP networks, offering a more affordable and adaptable alternative to traditional phone systems. However, VoIP comes...

Enhancing cybersecurity measures in virtual reality and augmented reality environments : Challenges, risks, and solutions

Shivangi Saxena, Satyajee Srivastava, Deepak Dudeja, C. T. Dora Pravina, Neha Kapila, Preeti Narooka

In this paper: New opportunities for immersive and interactive experiences have been created by the incorporation of Virtual Reality (VR) and Augmented Reality (AR) technology into a variety of industries, including...

Deepfake detection : A new frontier in cybersecurity for protecting digital identities, preventing misinformation, and ensuring data integrity

Preeti Narooka, Dharmendra Sharma, Miriyala Trinath Basu, Varun Kumar, Sushanth Chandra Addimulam, Neha Kapila, Neeraj Kumar Verma

In this paper: Deepfake technology, powered by artificial intelligence (AI), is advancing rapidly and enabling the creation of highly realistic but manipulated audio and video content. While impressive, it presents...

Secure chaotic cryptography for optical image encryption in pervasive devices using Lorenz-based DRPE, hybrid RSA-AES, and blockchain trust anchoring

Anshika Malsaria, Chirag Joshi, Shatabdi Basu, Nandani Sharma

In this paper: In this paper, we propose a secure and scalable optical image encryption framework for pervasive computing environments by integrating chaotic cryptography, hybrid RSA-AES encryption, and blockchain-b...

Cryptographic modeling and discrete structures for intrusion detection in Ethereum smart contracts

Vaibhav Pratap Singh, Siddhartha Sankar Biswas, Bhavya Alankar, Safdar Tanweer

In this paper: The increasing adoption of smart contracts on Ethereum and similar blockchain platforms has brought new security concerns, particularly regarding code-level vulnerabilities and unauthorized intrusions...

Analysis of the robustness and cryptographic security of a DCT-based image watermarking scheme

Govind Murari Upadhyay, Naveen Tewari, Surabhi Shanker, Ajay Kumar Phogat, Aparna Misra, Timothy Malche

In this paper: Image watermarking is a crucial technique used to protect digital media from unauthorized access and ensure copyright security. In cryptography, image watermarking is the process of encoding visible o...

LCE-AIoT : A lightweight cryptographic algorithm for resource-constrained AIoT devices

Mukesh Kumar, Bilal Ahmed, Mirza Shuja, Kavita Dhiman, Anas Mohammad Ali Quteishat, Ahmed Qtaishat, Vivek Bhardwaj

In this paper: Artificial Intelligence of Things (AIoT) combines Artificial Intelligence (AI) and Internet of Things (IoT) to enable intelligent, real-time decision-making in applications such as healthcare, smart a...

Algebraic graph models for secure distributed networks and cryptographic systems 

Surbhi Sharma, Preeti Rathi, Ranjeeta Kaur Popli, Sushama Tanwar, Prashant Vats

In this paper: The growing complexity of distributed networks and the increasing demand for robust cryptographic systems necessitate advanced mathematical frameworks for ensuring secure communication. This paper pro...

Secure key exchange and digital signatures via elliptic curves and discrete mathematical principles 

Prashant Vats, Sandeep Kumar Budhani, Devesh Kumar Srivastava, Saneh Lata Yadav, Shashi Kant Gupta, Ashok Kumar Saini

In this paper: A strong framework for creating safe and effective cryptographic systems, elliptic curve cryptography (ECC) is especially useful for digital signature and key exchange protocols. Based on the principl...

Quantum-resistant hierarchical consensus protocol (QRHCP) for enhanced security in blockchain networks

Neha Sharma, Sagar Soni

In this paper: Blockchain networks face escalating security challenges, including quantum computing threats, Sybil attacks, and scalability bottlenecks. Existing consensus mechanisms like Proof-of-Work (PoW) and Pro...

A PKI-integrated cryptographic framework for deepfake detection via facial micro-expression analysis

Surbhi Sharma, Priti Sharma, Surabhi Shanker, Parimala Veluvali, Sushama Tanwar, Prashant Vats

In this paper: The rise of deepfake generation techniques poses a critical challenge to information authenticity and online trust. Conventional detection strategies often fail against advanced generative models that...

Combinatorial algebra and cryptographic graph structures for cluster-based hybrid intrusion detection in IoT networks

Ashok Kumar Saini, Manoj Wadhwa, Ranjeeta Kaur Popli, Madan Lal Saini, Sanjay Kumar, Prashant Vats

In this paper: The rapid growth of Internet of Things (IoT) environments has led to significant security challenges due to their dispersed, resource-limited, and constantly evolving characteristics. This study intro...

Post quantum cryptography for blockchain security using CRYSTALS-Dilithium authentication

Amit Chaurasia, Amit Kumar Sharma, Sandeep Kumar Sharma

In this paper: This paper provides an overview of post quantum cryptographic primitives as well as a discussion on some of the challenges of deploying them within decentralized ledger architectures for security of b...

Index of Volume 28 (2025)

In this paper: