What question did this study set out to answer?

The aim is to enhance the efficiency of the BGH cryptosystem while ensuring the anonymity of its users.

April 22, 2026Open Access

An Improvement on the BGH Cryptosystem

Puntos clave

The aim is to enhance the efficiency of the BGH cryptosystem while ensuring the anonymity of its users.
Introduced a variant of the BGH cryptosystem based on previous work by Jhanwar and Barua.
Reduced complexities for encryption and decryption algorithms were developed and analyzed.
Demonstrated significant improvements in the efficiency of encryption and decryption processes.
Maintained the essential feature of receiver's anonymity throughout the enhancements.

Resumen

The three main IBE schemes, i.e., Boneh–Franklin, Cocks and Boneh–Gentry–Hamburg present both strengths and weaknesses. In this paper, we introduce a more efficient variant of BGH (while preserving receiver’s anonymity) based on the work of Jhanwar and Barua. More precisely, we provide the reader with a scheme with reduced complexities for encryption and decryption algorithms and present a new perspective on the initial set of solutions.

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