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In the present paper the authors have introduced a new combined cryptographic method called TTJSA. Nath et al. have already developed some symmetric key methods. In the present work the authors have used two methods MSA and NJJSAA which were developed by Nath et al. and have developed a new algorithm, generalized modified Vernam Cipher Method. The above three methods are applied in random order on...
In the present work the authors introduced a new symmetric key cryptographic method for encryption as well as decryption of any file such as binary file, text file or any other file. Nath et. al. (1) developed an algorithm called MSA for encryption and decryption of any file using a random key square matrix containing 256 elements. The weak point of MSA algorithm is that if someone applies the brute...
In the present work the authors have introduced a new advanced symmetric key cryptographic method called NJJSAA. The authors introduced new bit manipulation method for data encryption and decryption of any file. Nath et al already developed some symmetric key methods[1,2,3,4] where they have used some randomized key matrix for encryption and decryption methods. In the present work the authors have...
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