Author : Kalasagarvarma.K 1
Date of Publication :7th July 2016
Abstract: Data encryption is widely used to ensure security in Open networks such as the internet and wireless communications. Any security method used for protecting data should be more robust and highly difficult to break. Advances in technology have made the conventional security algorithms such as AES kind leading to sense of insecurity in using the channel itself. The Wellknown public-key cryptography algorithms RSA, El-Gamal, and DSA (Digital Signature algorithm) are highly secured but have a constraint of higher key sizes. Elliptical curve cryptography (ECC) is an efficient technique in public-key cryptographic methods, which has overcome the limitations of the current crypto systems in terms of security and the key sizes. But ECC cannot be directly implemented in encryption and decryption operations such as real time operations; it can be used standalone to encrypt and decrypt the public keys. A novel method, “Elliptical Curve Intermediate-Key Method” is proposed in the paper to addresses the direct implementation of elliptical curve cryptography in the context of encryption and decryption. This paper shows the implementation of the method and results with respect to 192 and 256 bit prime fields.
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