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Vol. 6 No. 2 (2025) • Articles
Open Access

Improving DES Robustness for Text Encryption via Blum-Blum-Shub Key Generation

Omega Joel Patria Moata
Universitas Nusa Mandiri
Andicha Vebiyatama
Universitas Nusa Mandiri
Muhamad Indra
Universitas Nusa Mandiri
Published: May 10, 2025 Pages: 1139-1153
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Abstract

The security vulnerabilities of the Data Encryption Standard (DES) require innovative enhancements to ensure data protection against modern threats. This study integrates the Blum-Blum-Shub (BBS) pseudorandom number generator with DES to enhance encryption robustness. By leveraging BBS’s randomness, the proposed method strengthens the 16-round block cipher structure of DES, improving security while maintaining computational efficiency. A Java-based desktop application is developed to implement this approach, ensuring data security without cloud reliance. Feasibility testing confirms successful encryption with an average processing time of 2 seconds, demonstrating both security improvements and practical applicability. Comparative analysis reveals that BBS integration enhances unpredictability, making decryption more challenging. The findings suggest that combining DES with BBS provides a viable solution to DES’s limitations. Future research may explore scalability, adaptation to diverse data types, and further optimizations to enhance encryption strategies against evolving cybersecurity challenges.

Keywords:
Pseudorandom Sequence Blum Blum Shub Generators Data Encryption Standard Generators Computational Complexity
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Author Biographies
Omega Joel Patria Moata Universitas Nusa Mandiri

Computer Science Study Program, Faculty of Information Technology, Universitas Nusa Mandiri, Central Jakarta City, Special Capital Region of Jakarta, Indonesia.

Andicha Vebiyatama Universitas Nusa Mandiri

Computer Science Study Program, Faculty of Information Technology, Universitas Nusa Mandiri, Central Jakarta City, Special Capital Region of Jakarta, Indonesia.

Muhamad Indra Universitas Nusa Mandiri

Computer Science Study Program, Faculty of Information Technology, Universitas Nusa Mandiri, Central Jakarta City, Special Capital Region of Jakarta, Indonesia.

How to Cite
Moata, O. J. P., Vebiyatama, A., & Indra, M. (2025). Improving DES Robustness for Text Encryption via Blum-Blum-Shub Key Generation. Jurnal Indonesia : Manajemen Informatika Dan Komunikasi, 6(2), 1139-1153. https://doi.org/10.63447/jimik.v6i2.1385
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References
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