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Article · Journal of Cryptography and Network Security Design and Codes · January 1, 2025

A Study on Cryptographic Algorithms for Data Confidentiality and Integrity

C. Nandini, Arpitha Vasudev, Vijay Suprith S, Syed Suhail, Sai Sireesh G T, Praveen Kumar

Praveen Kumar
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Abstract

In today’s digital landscape, safeguarding sensitive information during transactions has become increasingly critical. This project focuses on developing a secure data exchange framework by integrating cryptographic techniques, blockchain technology, and steganography. Inspired by blockchain-based asset management systems and decentralized transaction models, the study employs cryptographic methods like SHA-256 hashing, Proof of Work (PoW), and Proof of Stake (PoS) to ensure data integrity, authenticity, and confidentiality. To further enhance security, the project incorporates multimodal steganography and Least Significant Bit (LSB) techniques for embedding sensitive information within digital media. The combined strengths of blockchain’s immutable ledger and the covert nature of steganography create a system that prioritizes end-to-end security, privacy, and resistance to tampering. The methodology involves creating a decentralized peer-to-peer network for validating transactions, using advanced encryption techniques, and applying steganographic methods to conceal data within multimedia formats. Testing demonstrates the system’s ability to prevent data breaches, support secure transactions, and withstand cyberattacks. This innovative hybrid model offers a reliable solution for secured digital communications and transactions across finance, healthcare, and e-commerce domains. Future advancements could explore quantum-resistant cryptographic approaches and AI-driven mechanisms to detect and mitigate fraud.

Blockchain Technology Applications and SecurityAdvanced Steganography and Watermarking TechniquesCryptography and Data Securitycryptographic algorithmsdata confidentialitydata integrity

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