FB2 Compression & Selective Encryption on DNA Sequence

International Journal of Computer Trends and Technology (IJCTT)          
© 2016 by IJCTT Journal
Volume-36 Number-4
Year of Publication : 2016
Authors : Syed Mahamud Hossein, Pradeep Kumar Das Mohapatra, Debashis De


Syed Mahamud Hossein, Pradeep Kumar Das Mohapatra, Debashis De "FB2 Compression & Selective Encryption on DNA Sequence". International Journal of Computer Trends and Technology (IJCTT) V36(4):204-212 June 2016. ISSN:2231-2803. www.ijcttjournal.org. Published by Seventh Sense Research Group.

Abstract -
A lossless compression algorithm, for genetic sequences, based on exact Four Bases Block(FB2) conversion, each bases are define by a single decimal/binary value, convert each block of base into equivalent number of decimal value, the range of decimal value is vary from 0 to 255 and each decimal equivalent value are encoded by corresponding ASCII code. Each base define as a=0, t=1, g=2 & c=3 in case of decimal coded and a=00, t=01, g=10 & c=11 in case of binary coded, this values are user specified for better security. It can provide the data security, the exact coded value are necessary for decoding time by using only exact coded value provided by encoded time, this proposed method protect the data by using ASCII code, this types of data security in tier one. In tier two, use selective encryption techniques for better securities. Speed of compression and security levels are two important measurements for evaluating any encryption-compression system. This method are use only particular available ASCII code for compression purpose and pattern are use for selective encryption purpose. The running time of this algorithm is very few second, varies linearly with the size of the source file to be compressed and the complexity is O(n). The algorithm can approach a compression rate of 2.00002 bits/base.

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Biology, genetics, Data compaction, compression, FB2 and Security.