Encoding And Decoding of a Message in the Implementation of Elliptic Curve Cryptography using Koblitz’s Method
Journal Title: International Journal on Computer Science and Engineering - Year 2010, Vol 2, Issue 5
Abstract
Elliptic Curve Cryptography recently gained a lot of attention in industry. The principal attraction of ECC compared to RSA is that it offers equal security for a smaller bit size, thereby educing processing overhead. ECC is ideal for constrained nvironment such as pager, PDAs, cellular phones and smart cards. For the implementation of elliptic curve cryptography ECC) the plaintext encoding should be done before encryption and decoding should be done after decryption. ECC Encryption and Decryption methods can only encrypt and decrypt a point on the curve and not messages. The Encoding(converting message to a point) and Decoding (converting a point to a message) are important functions in Encryption and Decryption in ECC. The paper iscusses Koblitz’s method to represent a message to a point and viceversa. The paper also describes implementation results of Koblitz’s Encoding and Decoding methods.
Authors and Affiliations
Padma Bh , D. Chandravathi , P. Prapoorna Roja
Keywords
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