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ISSN: 2321-9653
Estd : 2013

Ijraset Journal For Research in Applied Science and Engineering Technology

Hybrid Secure Data Concealment with Blockchain-Based Integrity Verification

Authors: P. Charan Satya Prakash, U. Raju, P. Venkateswarlu, Y. Asish Rahul, SK. Shakeel Ahmed

DOI Link: https://doi.org/10.22214/ijraset.2026.79174

Certificate: View Certificate

Abstract

This paper presents a hybrid secure data concealment system that enhances data security by integrating cryptography, steganography, and blockchain-based integrity verification. The system uses Advanced Encryption Standard (AES) and Rivest–Shamir–Adleman (RSA) algorithms to encrypt sensitive data before embedding it into digital images using Least Significant Bit (LSB) steganography. To ensure data integrity, a SHA-256 hash of the concealed data is generated and stored in a blockchain-inspired append-only ledger. During verification, the extracted data is compared with the stored hash to detect tampering. Experimental results demonstrate that the proposed system ensures strong security, minimal image distortion, and reliable tamper detection. The system provides a secure and efficient solution for confidential data transmission.

Introduction

The proposed Hybrid Secure Data Concealment System enhances data security by integrating cryptography, steganography, hashing, and blockchain-based verification into a unified framework. Sensitive information is first encrypted using AES and RSA, then concealed within an image using Least Significant Bit (LSB) steganography, making the data both protected and hidden from unauthorized users. A SHA-256 hash is generated to create a unique digital fingerprint of the encrypted data, and the hash is stored in a blockchain-based ledger to ensure integrity and detect tampering. At the receiver's end, the hidden data is extracted, decrypted, and verified by comparing the newly generated hash with the blockchain record, allowing the system to classify the data as SAFE or TAMPERED. The modular architecture consists of input, encryption, steganography, hash generation, blockchain ledger, and verification modules, providing confidentiality, concealment, and integrity in a single workflow. Compared with traditional security approaches that rely on individual techniques, the proposed hybrid model offers stronger protection against unauthorized access and data modification, making it well suited for secure communication, banking, military, and other sensitive applications.

Conclusion

This paper presents a hybrid secure data concealment system that combines steganography, cryptography, and blockchain-based verification techniques. By integrating these methods, the system effectively ensures data confidentiality, hides sensitive information within images, and enables reliable detection of any tampering.The results show that the proposed approach performs efficiently and can be applied in real-world scenarios where secure and trustworthy communication is required.

References

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ijraset79174

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Paper Id : IJRASET79174

Publish Date : 2026-03-31

ISSN : 2321-9653

Publisher Name : IJRASET

DOI Link : Click Here

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