Modular Encryption Algorithm for Secure Data Transmission
Keywords:
Cryptanalysis, Cryptography, Deciphering, Enciphering, Intruder, Tri-modular matrixAbstract
Information is a strategic resource. Information technology and business transactions are becoming inextricably interwoven, where security for the data and concealed data transmission are made mandatory. Cryptography can be considered as the principle means of providing the data security. In this paper authors have proposed a new symmetric block cipher named Modular Encryption Algorithm with an acronym MEA which uses tri-modular matrix for its key generation, a set of operations on a matrix, Permutations and Substitutions for its encryption and decryption. As part of operations required in MEA authors have proposed M-Box, the functionality is described in this paper. The multilevel cipher rounds used in this algorithm can enhance the security such that even an intruder intercepts the message, it could be difficult to decipher the message. The strength of this algorithm has been analyzed over differential cryptanalysis. This algorithm undoubtedly follows the Strict Plaintext Avalanche Criterion (SPAC) and Strict Key Avalanche Criterion (SKAC) - the Shannon’s property of “Confusion” and “Diffusion”, the results are tabulated in this paper.
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