183 DNA Base Data Hiding Algorithm Mohammad Reza Abbasy, Pour ya Nikfard, Ali Ordi, and Mohammad Reza Najaf Torkaman Advanced Informatics School (AIS), International Campus, Universiti Teknologi Malaysia (UTM), Kuala Lumpur. {ramohammad2, npourya2, oali2, rntmohammad2}@live.utm.my ABSTRACT Proposing an algorithm by using software point of view for the purpose of implementing data hiding based on DNA sequences to increase the complexity is the main target of this paper. The implementation of algorithm is applicable because of some interesting characteristics of DNA sequences. Both of DNA’s features and Binary Coding Technology beside Complementary Pairing Rules are explained through the paper. Since, both of a secret message (M) and DNA reference sequence is needed. Data hiding is started by applying three different and separate steps to prepare M´´´. The receiver will apply the process of identifying and extracting the original message (M) which had been hidden in DNA reference sequence. As the security of the algorithm is crucial part, it will appear in security issue’s section. KEYWORDS DNA sequence; data hiding; DNA base pairing rules; compleme ntary pairing rule s; DNA bina ry coding. 1 INTRODUCTION In order to protect data through the unsecure networks like the Internet, using various types of data protection is necessary. One of the famous ways to protect data through the Internet is data hiding. Because of the increasing number of Internet users, utilizing data hiding or Steganographic techniques is inevitable. Eliminating the role of the intruder and authorizing the receiver, are eventual goals of these techniques. Thus, the role of data hiding has become more eminent nowada ys. Before employing biological properties of DNA sequences, usually embedding a secret message into the host images was the traditional way of data hiding [1, 2, 3, 4, and 5]. Unfortunately, this had some liabilities. The most important ones was the detection of the distortions of the image when the host image changed to some degrees. This spot was the best spot to start the wholly detection of the secret message through the image. With advent of biological aspects of DNA sequences to the computing areas, new data hiding methods have been proposed by researchers, based on DNA sequences [6, 7, 8, 9, and 10]. The key portion of their work is, utilizing biological characteristics of DNA sequences. In order to convert binary data into amino acids as a DNA sequence, the base pairing rules must be used. Synthesizing nucleotides in real environment (biology) is done in constant rules: International Journal on New Computer Architectures and Their Applications (IJNCAA) 2(1): 183-192 The Society of Digital Information and Wireless Communications, 2012 (ISSN: 2220-9085)
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