Ultra-Secure Secret Communication by Crypto Stegano Techniques for Defence Applications
European Journal of Molecular & Clinical Medicine,
2020, Volume 7, Issue 4, Pages 376-384
AbstractThis research paper proposes the communication devices in defence sectors shares secret information dynamically and it is vulnerable to hackers as they steal, corrupt or destroy the data. Though existing system uses different cryptographic techniques, yet suffers from various cyber-attacks. In order to communicate secretly, we propose novel optimized crypto stegano system with the cryptographic process implemented by Elgamal cryptosystem with secure key exchange, then steganographic process using quantum LSB image steganography by hiding the encrypted data into the randomly chosen image, also cover image is optimized using eagle strategy particle swarm optimization algorithm for high embedded efficiency. Then the data embedded in image is retrieved using steganographic retrieval technique and it is decrypted at receiver by Elgamal decryption using private key. Based on results, various parameters such as MSE, PSNR, embedded efficiency and carrier capacity are calculated and related with existing methods, thereby higher performance metrics are achieved in our proposed work.
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