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Based on the principle of symmetric key encryption we present a new method of symmetric block encryption using indices called Index-Based Symmetric Block Encryption. Instead of going through a number of tedious rounds while encrypting the data, the data can be encrypted in just two rounds. Also, no two identical data blocks have the same ciphers. i.e. if a single block has been encrypted twice we...
In this paper, we propose a new and efficient cryptographic hash function based on random Latin squares and non-linear transformations. The developed scheme satisfies basic as well as desirable properties of an ideal hash function. Use of repeated lookup on Latin squares, non-linear transformations and complex shift operations further increase the strength of our cryptographic hash function at a low...
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