Implementation of Symmetric Stream Cipher for Text Encryption Using Key Sequence of Cyclic Elliptical Curve Points Based on PRNG
Journal Title: International Journal of Research in Computer and Communication Technology - Year 2015, Vol 4, Issue 3
Abstract
In this paper, cyclic elliptic curves of the form y2 = x 3 + ax + b mod p € E(Fp) with order N is considered in the design of a symmetric key text Encryption Scheme with Key Sequence derived from random sequence of cyclic elliptic Curve points. P with co-ordinates (xP ; yP ) which satisfy the elliptic curve equation is called a point on elliptic curve. Random sequence {ki} of integers is generated using Linear Feedback Shift Register (LFSR) and cubic equation. Every element in key– sequence and character is mapped to {kip} and {AiP}which is a point on cyclic elliptic Curve with co-ordinates say (xi; yi).These sequence find application in Stream cipher system. The encryption procedure and results of this algorithm has been discussed in this paper.
Authors and Affiliations
Karthik G, Rakesh B N, Ganesh Aithal
Keywords
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