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In this paper a session based symmetric key encryption system has been proposed and is termed as Permutated Cipher Technique (PCT). This technique is more fast, suitable and secure for larger files. In this technique the input file is broken down into blocks of various sizes (of 2^n order) and encrypted by shifting the position of each bit by a certain(More)
In this paper, we propose a session based bit level symmetric key cryptographic technique and it is termed as Spiral Matrix Based Bit Orientation Technique (SMBBOT). SMBBOT consider the input plain text as binary bit stream. During encryption this stream is chopped into manageable sized blocks with variable lengths. Bits of these blocks are taken from MSB(More)
An optimal algorithm for scheduling interval ordered tasks with communication on n processors. a maximum cardinality matching in a bipartite graph in time O(n 1.5 m/ log n). equal-length tasks under treelike precedence constraints to minimize maximum lateness. A polynomial algorithm to optimally schedule tasks on a virtual distributed system under tree-like(More)
In this technical paper a session based symmetric key cryptographic technique, termed as SBSKCT, has been proposed. This proposed technique is very secure and suitable for encryption of large files of any type. SBSKCT considers the plain text as a string with finite no. of binary bits. This input binary string is broken down into blocks of various sizes (of(More)
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