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Articles by V. Vaithianathan
Total Records ( 2 ) for V. Vaithianathan
  K.J. Jegadish Kumar , S. Joseph Gladwin , V. Karthick and V. Vaithianathan
  Information security is a major issue in the field of communication systems to avert an intruder who attack the network or steal the information. Researchers are still active in designing various cryptographic algorithms to support resource constrained computing systems. Modern wireless communication channel streams multimedia information like high-quality videos, color still images, audios and requires high-speed microprocessor for fast processing and secure transmission over insecure channels. Consequently, design of high-speed processing security algorithm emerged to give solutions to Wireless Multimedia Sensor Network. Hence, this study discusses a fast image encryption by AES modified with reversible cellular automata based S-Box.
  A. Claude , V. Vaithianathan , R. Bairava Ganesh , R. Sathyalakshmi and P. Ramasamy
  Potassium Di-hydrogen Phosphate (KDP), crystal is a good nonlinear optic material having Second Harmonic Generation property (SHG). These KDP crystal is grown with bimetallic dopants Nikel-Magnesium (Ni3+, Mg2+) to form Nikel-Magnesium Di-hydrogen Phosphate (NMKDP). The grown crystals were analysed for structural and optical characteristics and compared with pure KDP. FTIR analysis explains the inclusion of the metallic impurities which extends the transmission region visibly. High resolution XRD confirms the order of crystallinity of the material which is found to be superior in the pure form than the bimetallic form thereby conforming the inclusion of the bimetals. The conversion efficiency and verification of SHG generation of the grown crystals were also confirmed by Kurtz method.
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