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Vol. 11, Issue 4, Part B (2025)
The evolution of secure communication: Analyzing cryptographic methods from ancient to modern era
The evolution of secure communication: Analyzing cryptographic methods from ancient to modern era
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Abstract
Cryptography has been essential in securing communication and safeguarding sensitive information since ancient times. This paper offers a thorough review of the evolution of cryptographic techniques, tracing their journey from early encryption methods like Egyptian hieroglyphs, the Spartan scytale, and the Caesar cipher, to contemporary advancements in quantum-resistant security. The study emphasizes the shift from classical cryptographic methods, such as substitution and transposition ciphers, to advanced mathematical algorithms like AES, RSA, and ECC, which have significantly enhanced data security in today's digital landscape.
Cryptography has been essential in securing communication and safeguarding sensitive information since ancient times. This paper offers a thorough review of the evolution of cryptographic techniques, tracing their journey from early encryption methods like Egyptian hieroglyphs, the Spartan scytale, and the Caesar cipher, to contemporary advancements in quantum-resistant security. The study emphasizes the shift from classical cryptographic methods, such as substitution and transposition ciphers, to advanced mathematical algorithms like AES, RSA, and ECC, which have significantly enhanced data security in today's digital landscape.
The paper also examines key milestones in the history of cryptography, including the widespread adoption of cryptographic standards in the 20th century, the emergence of public-key cryptography, and the implications of quantum computing on existing security frameworks. Furthermore, it discusses modern cryptographic innovations, such as blockchain technology, homomorphic encryption, post-quantum cryptography, zero-knowledge proofs, and quantum key distribution, which are influencing the future of secure communications.
A comparative analysis of classical, modern, and emerging cryptographic techniques is provided, highlighting their strengths, weaknesses, and applications across various fields like finance, healthcare, and cyber-security. The paper concludes by addressing future directions in cryptographic research, underscoring the necessity for resilient and scalable security solutions to combat evolving cyber threats. This review serves as a valuable resource for researchers, cyber-security professionals, and policymakers looking for insights into the historical development and future direction of cryptographic technologies.
Pages: 128-135 | 65 Views 28 Downloads
How to cite this article:
Laxmi Kumari, Tarun Kumar Mahato. The evolution of secure communication: Analyzing cryptographic methods from ancient to modern era. Int J Appl Res 2025;11(4):128-135. DOI: 10.22271/allresearch.2025.v11.i4b.12468
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