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International Journal of Cyber Threat Intelligence and Secure Networking

Open Access Peer Review International
Open Access

OPTIMIZING CRYPTOGRAPHIC HASH FUNCTION PERFORMANCE THROUGH AN EXTENDED SECURE HASH ALGORITHM (2080-BIT VARIANT)

DOI https://doi.org/10.55640/ijctisn-v02i06-02
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Dr. Nisha Verma 1 , Vinay Rajan 1 ,
4 Centre For Information Security Research, Indian Statistical Institute, Kolkata, India
4 School Of Computer And Systems Sciences, Jawaharlal Nehru University, New Delhi, India

Abstract

Cryptographic hash functions are fundamental to ensuring data integrity, authentication, and security in digital systems. This paper introduces and evaluates an extended 2080-bit variant of the Secure Hash Algorithm, designed to enhance resistance against collision, preimage, and length-extension attacks while maintaining computational efficiency. The proposed algorithm incorporates dynamic message expansion, multi-stage compression, and parallel processing techniques to optimize performance across diverse hardware architectures. Benchmarking results reveal that the 2080-bit variant outperforms conventional SHA families in both throughput and cryptographic strength, making it suitable for high-security applications such as blockchain, digital forensics, and secure communications. This study advances the development of robust, scalable hash functions for future-proof security systems.

Keywords

Cryptographic hash function, secure hash algorithm, SHA-2080, data integrity

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