Secure Chat Room Application Using AES-GCM Encryption and SHA-256

This study introduces the Counter-Offset mode, a novel advancement in block cipher encryption techniques designed to enhance the traditional Counter mode’s resistance to differential cryptanalysis. By integrating a unique input transformation mechanism, the Counter-Offset mode significantly improves upon the security features of the conventional Counter mode without compromising its efficiency and ability to process data blocks in parallel. Through a rigorous security analysis, we demonstrate that this innovative mode not only maintains the essential advantages of its predecessor—including parallelizability and low overhead—but also offers increased protection against cryptanalytic attacks. Our findings suggest that the Counter-Offset mode presents a compelling solution for applications requiring high security without the expense of reduced performance. This work lays the groundwork for future investigations into its application across various cryptographic systems, highlighting its potential to address emerging security challenges in the digital age.

show abstract

Beyond Current Cryptography

Pappachan,

Rahaman,

Sreerakuvandana

et al. 2024

Advances in Information Security, Privacy, and Ethics

View full text Add to dashboard Cite

Cryptography has evolved significantly, from simple ancient ciphers to sophisticated algorithms to secure modern digital communications. The advent of quantum computing and increasing cyber threats represents a paradigm shift, challenging traditional cryptographic methods and necessitating the development of quantum-resistant algorithms. The chapter discusses this advancement by focusing on core principles such as superposition, entanglement, and the no-cloning theorem, which provide improved security measures. It investigates several quantum key distribution protocols and novel solutions, including quantum secure direct communication and deterministic secure quantum communication. This chapter also addresses the challenges posed by quantum computing to existing cryptographic systems by investigating post-quantum cryptographic algorithms and emphasizes technological and ethical considerations in the practical implementation of quantum cryptography The chapter concludes by emphasizing the importance of striking a balance between innovation and ethical responsibility.

show abstract

Secure Chat Room Application Using AES-GCM Encryption and SHA-256

Cited by 3 publications

References 12 publications

Vault-PMS: A Vault-Based Password Management System for Secure Offline Data Storage

Vault-PMS: A Vault-Based Password Management System for Secure Offline Data Storage

Counter-Offset mode: A new paradigm in resisting differential cryptanalysis

Beyond Current Cryptography

Contact Info

Product

Resources

About