Papers by Keyword: AES

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Authors: Xing Wang, Qiang Zhang, Xiao Peng Wei
Abstract: AES is one of the most widely used cryptographic systems. DNA computing has the high efficiency to solve some NP-problems. Therefore many scientists try to combine DNA computing with cryptography. In this paper, an algorithm is designed to simulate a plaintext encrypted by DNA biotechnology and modern cryptography. After mapping the plaintext information as DNA chain and handling the base chain with biological genetic technology, we can get the gene codes form, then using the Rijndael algorithm to deal with the biological chain with cryptography and get the final result. It makes the DNA-based cryptography more effective and more security.
Authors: René Le Gall, Guy Saindrenan, D. Roptin
Authors: Dong Jin Kim, Hyuk Chul Kwon, Seong Sik Hwang, Hong Pyo Kim
Abstract: Alloy 600(74wt% Ni, 15wt% Cr, 9wt% Fe) is used as a material for steam generator tubing in pressurized water reactors(PWR) due to its high corrosion resistance under a PWR environment whose primary side and secondary side are operated under 340oC, 150bar and 290oC, 50bar, respectively. However, in spite of its outstanding corrosion resistance, a stress corrosion cracking(SCC) which has been one of the most important degradation issues, has occurred occasionally owing to the severe high temperature and pressure condition of a PWR. It is expected that a SCC is deeply related to an electrochemical property of a passive film formed under a high temperature and pressure condition. Therefore an understanding of the basic electrochemical behaviors regarding an anodic dissolution and a passivation of the bare surface of metals and alloys provides important information about a SCC mechanism and control. In the present work, the passive oxide films on Alloy 600 were investigated as a function of the dissolved oxygen content and the pH by using a potentiodynamic polarization, electrochemical impedance spectroscopy(EIS) and a depth profiling by Auger electron spectroscopy(AES). For this purpose, 0.5M H3BO3, 0.5M Na2SO4 and 0.1M NaOH aqueous solutions with/without dissolved oxygen at 300oC were used as the test solutions. The resistance of an oxide formed in an aerated solution was smaller than that in a deaerated solution while the oxide film in the aerated solution was thicker than the oxide film in the deaerated solution.
Authors: K. Vetrivel, S.P. Shantharajah
Abstract: Modern encryption algorithms will focus on transforming rendered text block into a non-rendered block of symbols. The objective is to make the cipher block more non-interpretable. Distinguisher attack algorithm is used to distinguish cipher text from random permutation and other related algorithms. Currently, a cipher has been design to concentrate on distinguisher attack. In this research work, we have attempted to distinguish the cipher blocks of AES-128 (Advanced Encryption Standard) and AES-256 symmetric block cipher algorithms using an artificial neural network based classifier.
Authors: Tomohiro Aoyama, Yoshiyuki Hisada, Shinichi Mukainakano, Ayahiko Ichimiya
Authors: D. Jishiashvili, R. Dzhanelidze, Z. Shiolashvili, I. Nakhutsrishvili
Authors: Zs. Tôkei, Dezső L. Beke, Jean Bernardini, Andree Rolland
Authors: Kenneth A. Jones, K. Xie, D.W. Eckart, M.C. Wood, V. Talyansky, R.D. Vispute, T. Venkatesan, K. Wongchotigul, Michael G. Spencer
Authors: Wei Wang, Fei Xu, Jun Yin
Abstract: Partial reconfiguration of FPGAs requires loading partial bitstream. But loading a faulty or corrupted partial bitstream might cause some errors when undergoing reprogramming; what’s more, it may damage the FPGA device. A encrypt method based on cyclic redundancy check (CRC) before loading them into the device is introduced. The encrypt method of partial bitstream can realize the data integrity and security of FPGA Partial Reconfiguration.
Authors: M. Siad, Samira Abdelli-Messaci, Tahar Kerdja, Slimane Lafane, M. Abdesselam
Abstract: Carbon nitride films were synthesized by pulsed laser ablation of graphite target under nitrogen ambience. The third harmonic of a pulsed Nd-YAG laser of 355 nm wavelength and 7 ns pulse duration was focused onto a rotating target at an incidence angle of 45°. The laser fluence at the target surface was set at 30 J/cm2. The carbon nitride films were deposited on (100) silicon substrate kept at room temperature and placed at a distance of 40 mm from the target surface. The CNx films were grown under N2 gas in the pressure range of 5×10-3 to 4×10-1 mbar. The deposited films composition was investigated by different techniques RBS, NRA and AES. We found an N/C ratio equal to 0.4 in the pressure range cited above.
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