Key Diffusion Approach for AVK based Cryptosystem
Shaligram Prajapat, Ramjeevan Singh Thakur · 2016
The strength of any symmetric key based cryptosystem is characterized by strength of algorithm and key size used by cryptic algorithm. Common trend to ensure this strength is achieved by controlling the key-size. The easiest way of ensuring security is using the larger-key-size of symmetric key based cryptosystem. In order to optimize the computation-time and effort required to encipher or decipher the original-text and guessing the actual-key increases AVK approach is claimed to be better alternative, It attempts to keep key-size constant and recommends to changes entire key in successive sessions. For moving information source with sending and receiving equipment, location based AVK scheme [1] has been extended in this paper with higher order realization and analysis of from theoretical perspectives. The compact representation of sparse space have been proposed with key variability using location information based (i, j) automatic variable key for moving transmitter and receiver has been presented for sharing information using symmetric key based cryptosystem. The parameters only used without exchanging entire key and the parameters have been diffused for key-construction using parameters only. The benefit of location information for encryption or decryption of information will find it's applicability in moving low power gadgets, IOT components and auditing of cryptosystems.