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Title

A Variable Length Data Encryption Technique using Square Grid Transposition with Key Wrapping

Author

Allam Appa Rao, M. Shashi, P. Pandarinath, Sai Pradeep Chakka

Citation

Vol. 10  No. 5  pp. 295-304

Abstract

This paper has a new approach for encryption of various file formats like text, image, audio and video with key wrapping is proposed. The binary data of file is divided into equal sized blocks called as grids. The bit stream of each grid is taken and Square grid transposition is applied. A variable length key based on the grid size considered, say 160 bits for 32-sized grid, 384 bits for 64-sized grid is generated. The key is wrapped up with some public key algorithm say RSA for secret key transposition so that intruder cannot identify. For decryption the reverse grid transposition and private key is required. The included session key is obtained by decrypting the wrapped key with receiver’s private key.

Keywords

Cryptography, Cipher Methodology, Grid Transposition, Circle generation, key wrapping

URL

http://paper.ijcsns.org/07_book/201005/20100542.pdf