Bitwise Operations Based Encryption and Decryption
Journal Title: International Journal on Computer Science and Engineering - Year 2011, Vol 3, Issue 1
Abstract
In this paper, variable block length based character/bit level ransformation has been proposed for encryption and cryption, where a block of characters /few bits has taken into account. he originated text is transformed into decimal values and assed to encoder module. In this module values are cluttered sing binary operations present in most systems with keys. This routine is based on feistel iteration using large umber of rounds for security justification to certain intensity and passed to the security module. This module performs conversion of values into octal base values and then padded ith a vector. When compared with other encryption schemes it provides more security even though keys are revealed. Since, one parameter namely vector ai alone been kept secret. The receiver passes the received cipher text to security module and yields the cipher decimal values. These values are transformed into a form of originated text.
Authors and Affiliations
K. Naveen Kumar , K. T. Praveen kumar , G. V. S. Raj Kumar , P. Chandra Sekhar
Keywords
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