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Performance Analysis of Hybrid Cryptography and Steganography for Sustainable Cybersecurity and Data Protection | ||
| Al-Noor Journal for Information Technology and Cybersecurity | ||
| Article 4, Volume 2, Issue 2, December 2025, Pages 25-30 PDF (568.5 K) | ||
| Document Type: Research paper | ||
| DOI: 10.69513/jncs.v2.i2.a4 | ||
| Author | ||
| Mohammed Y Alhayani* | ||
| Iraq/Mosul/The left coast / Al-Sukkar neighborhood | ||
| Abstract | ||
| This study combines block and hybrid encryption techniques with steganography to defend textual content documents and conceal them in inner photos, supplying two-layer security in opposition to cyberattacks. The proposed method integrates Advanced Encryption Standard (AES), Rivest–Shamir–Adleman (RSA), and Least Significant Bit (LSB) embedding to acquire robust cryptographic safety and imperceptible data hiding. Experimental outcomes reveal that the system achieves a 100% image matching charge with an encryption satisfaction of 99.6%, indicating high compatibility between encryption and steganography methods. Histogram analysis confirms uniform pixel intensity distribution without an observable distinction between natural and stego images. Peak Signal-to-Noise Ratio (PSNR) values reached up to 100.53 dB for medium-sized pics, displaying minimal distortion. NPCR consequences for encrypted snapshots were 99.60%, confirming sturdy sensitivity to pixel modifications, at the same time as NPCR for stego pix remained close to 0.003%, proving imperceptibility. UACI values for encrypted pix ranged between 34.20% and 46.89%, validating exceptional encryption, at the same time as UACI for stego snapshots remained negligible, confirming concealment performance. These results highlight the originality of the proposed hybrid version in combining AES, RSA, and LSB to concurrently attain high-speed encryption, stable key control, and undetectable information hiding. | ||
| Keywords | ||
| Cybersecurity; AES Encryption; PSNR; NPCR&UACI; Histogram | ||
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