CRYPTOSYSTEM for Text Files Using CFG

Provided by: Academic Science
Topic: Data Management
Format: PDF
Context free grammars present the desirable cryptographic property that it is easy to generate and validate strings from a given grammar; however it is hard to identify a grammar given only the strings generated by it. Because of this property of CFG the proposed idea is developing a cryptosystem using context free grammar for the text files. It is a symmetric key encryption technique. There is no theoretical study which states given a set of strings from a language how difficult it is to generate another string which belongs to the same language.

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