Symmetric Key Cryptography Using Dynamic Key and Linear Congruential Generator (LCG)

Provided by: International Journal of Computer Applications
Topic: Security
Format: PDF
This paper deals with a new symmetric key cryptographic method using dynamic key. The demand for adequate security to electronic data system grows high over the decades. In this paper, the authors have used the Linear Congruential Generator (LCG) for generating key. This is a block cipher technique. The advantage of the present method is that for every pair of encryption & decryption operation a new dynamic key is generated thus the process is very hard to break. The cryptography no longer relies on long term shared keys which are vulnerable under cryptanalysis attacks. It is impossible to detect patterns with which to perform cryptanalysis on the dynamic key. In this paper, the authors have introduced concept of dynamic key with symmetric cryptography.

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