Data Encryption and Decryption process Using Bit Shifting and Stuffing (BSS) Methodology
Journal Title: International Journal on Computer Science and Engineering - Year 2011, Vol 3, Issue 7
Abstract
Commonly in encryption or decryption process some of the characters are inter changed by using some encryption and decryption algorithms (like DES, IDEA) with key. But in Bit Shifting and Stuffing (BSS) system to represent a printable character it needs only seven bits as per its ASCII value. In computer system to represent a printable character it requires one byte, i.e. 8 bits. So a printable character occupies 7 bits and the last bit value is 0 which is not useful for the character. In BSS method we are stuffing a new bit in the place of unused bit which is shifting from another printable character. So in this BSS methodology after encryption, for every eight bytes of plain text it will generate seven bytes cipher text and in decryption, for every seven bytes of cipher text it will reproduce eight bytes of plain text.
Authors and Affiliations
B. Ravi Kumar , Dr. P. R. K. Murti
Keywords
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