Security

Design and Implementation of Secure Stream Cipher Based on Elliptic Curves on Time Shared Basis

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Executive Summary

In this paper, the authors propose the implementation of an Elliptic Curve (EC) cryptosystem which is aimed to provide secure stream ciphers, hash functions and key exchange in a time shared manner. The design of hardware efficient stream cipher based on elliptic curves proposes the use of point multiplication block on a time sharing basis for providing secure stream ciphers, hash generation and key exchange. The EC point multiplication uses the Gaussian normal bases for field arithmetic. The designs were implemented using Verilog language and the hardware implementation was done using a Field Programmable Gate Array (FPGA) device.

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