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  Published Paper Details:

  Paper Title

CFG BASED CRYPTOSYSTEM FOR ASCII AND BINARY FILES

  Authors

  Manisha Fal Dessai,  Amey D S kerkar

  Keywords

Grammar, Cryptosystem, Symmetric, CFG, Encryption, Decryption, ASCII, Base64

  Abstract


The paper introduces a new symmetric key cryptosystem for ASCII and binary files. This technique makes use of context free grammar because of its cryptographic property which states it is easy to generate and validate strings from a given grammar,however it is difficult to identify a grammar given only the strings generated by it. The proposed idea comprises of following modules: Encode, Encrypt, Decrypt and Decode. Firstly the ASCII/binary file is encoded using the Base64 encode algorithm to obtain an intermediate text. To get the cipher text file the intermediate text is then encrypted using context free grammar along with the secret key, generated using random number generation algorithm. The cipher text file at the receiver side is then decrypted using context free grammar followed by Base64 decode algorithm to obtain the original ASCII/binary file.

  IJCRT's Publication Details

  Unique Identification Number - IJCRT2006578

  Paper ID - 196317

  Page Number(s) - 4230-4235

  Pubished in - Volume 8 | Issue 6 | June 2020

  DOI (Digital Object Identifier) -   

  Publisher Name - IJCRT | www.ijcrt.org | ISSN : 2320-2882

  E-ISSN Number - 2320-2882

  Cite this article

  Manisha Fal Dessai,  Amey D S kerkar,   "CFG BASED CRYPTOSYSTEM FOR ASCII AND BINARY FILES", International Journal of Creative Research Thoughts (IJCRT), ISSN:2320-2882, Volume.8, Issue 6, pp.4230-4235, June 2020, Available at :http://www.ijcrt.org/papers/IJCRT2006578.pdf

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ISSN: 2320-2882
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Journal Starting Year (ESTD) : 2013
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ISSN and 7.97 Impact Factor Details


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ISSN
ISSN: 2320-2882
Impact Factor: 7.97 and ISSN APPROVED
Journal Starting Year (ESTD) : 2013
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