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Institution

Sir Padampat Singhania University

EducationUdaipur, India
About: Sir Padampat Singhania University is a education organization based out in Udaipur, India. It is known for research contribution in the topics: Encryption & Diesel fuel. The organization has 124 authors who have published 228 publications receiving 2066 citations. The organization is also known as: SPSU.


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Book ChapterDOI
14 Jul 2018
TL;DR: This work applies a fractional Fourier transform for double image encryption, as fractional orders provide randomness and serve as secret key and the simulation results give testimony to the acquired randomness in the encrypted data.
Abstract: Secure transmission of sensitive data over open networks is a challenge in the present scenario of digital signal transmissions. Especially in 2D image signals, the adjacent pixel correlation is high which makes it a challenge to encrypt or hide the information from being fraudulently interpreted. Optical signal processing is preferred for image encryption owing to its high speed parallel processing. Fractional transforms are used for the digital implementation of the optical processing due to the fact that fractional orders enable to analyze a time variant signal where each fractional order correspond to an arbitrary angle of rotation. In this work, we apply a fractional Fourier transform for double image encryption, as fractional orders provide randomness and serve as secret key. The complex outcome of transform becomes a limitation due to requirement of double memory for storage and transmission besides computational complexity. To overcome this issue, a reality preserving scheme is applied to obtain real output from transform. A piecewise nonlinear chaotic map is used to introduce chaotic blending in the double image data. The larger key space of PWNCA based blending offers yet another security layer to the optical transform based encryption. The simulation results give testimony to the acquired randomness in the encrypted data. The proposed scheme is quite sensitive to keys and is robust against potential attacks.

2 citations

Journal ArticleDOI
TL;DR: In this paper, low energy electron impact single ionization triple differential cross section (TDCS) results are reported for the helium atoms in the threshold regime at 1 eV, 3 eV and 5 eV excess energy.

2 citations

Book ChapterDOI
20 Apr 2018
TL;DR: A novel approach to achieve reliable privacy preservation along with an efficient method for reverse engineering is proposed, which optimizes the use of memory, reduces response time and shows high privacy level.
Abstract: The rapid development in current information explosion has led to huge growth in data over time. Increase in internet and communication technology has resulted into generation of data streams. Due to its dynamic nature, the traditional techniques are not sufficient for privacy preservation of data streams. Researchers have been exploring alternative algorithms to achieve improved privacy of data streams. This paper proposes a novel approach to achieve reliable privacy preservation along with an efficient method for reverse engineering. The hashing based privacy preservation proposed in this paper optimizes the use of memory, reduces response time and shows high privacy level. Further the classification of the secured data obtained from this technique has also been analysed for the future behaviour of the data stream using appropriate tools.

2 citations

Proceedings ArticleDOI
04 Mar 2016
TL;DR: This work proposes a mechanism that relies on unicast unicast broadcast (UUB) variant of fixed sequencers atomic broadcast in order to build moving sequencer atomic broadcast.
Abstract: This article investigates a new mechanism to design moving sequencer based atomic broadcast in distributed systems. There are two very crucial observations have been drawn from [1], (i) fixed sequencer based atomic broadcast mechanisms are build upon either unicast broadcast (UB) or broadcast broadcast (BB) or unicast unicast broadcast (UUB) variant and (ii) moving sequencer based atomic broadcast can also be designed with the help of any of three variants (UB, BB or UUB). The various mechanisms given for moving sequencer based atomic broadcast like RMP [2], DTP [3] and Pin Wheel [4] are based on broadcast broadcast (BB) variant of fixed sequencer atomic broadcast. While mechanism proposed in [5] is based on unicast broadcast (UB) variant of fixed sequencer atomic broadcast. This work proposes a mechanism that relies on unicast unicast broadcast (UUB) variant of fixed sequencer atomic broadcast in order to build moving sequencer atomic broadcast. This work does not give any comparison with other mechanisms but it presents a new way to design moving sequencer atomic broadcast. B formal method [6] has been used to design different models for atomic broadcast and ProB [7] model animator and checker tool has been used to verify it.

2 citations

Book ChapterDOI
01 Jan 2015
TL;DR: In this article, the ground motion is modeled as a uniformly modulated stationary Gaussian random process with zero-mean, and the response of two adjacent single degree-of-freedom (SDOF) structures connected by viscous damper under base excitation, modeled as non-stationary random process is investigated.
Abstract: The response of two adjacent single degree-of-freedom (SDOF) structures connected by viscous damper under base excitation, modeled as non-stationary random process is investigated. To study the effect of amplitude non-stationary characteristics of earthquake excitation, the ground motion is modeled as a uniformly modulated stationary Gaussian random process with zero-mean. The non-stationary response of coupled structure is obtained for modulating function having different strong motion duration and compared with the corresponding stationary response. The peak value of root mean square (RMS) response of the connected structures for other model of earthquake excitation such as Kanai-Tajimi and white noise is compared for stationary and tow non-stationary conditions. It is observed that stationary response is achieved in a very short time. The peak value of RMS response under non-stationary ground motion is nearly same as that of the stationary response. The result indicates that the peak value of responses for stationary and two non-stationary cases is quite comparable with each other. Thus, the random response of coupled structure can be obtained by considering stationary model of earthquake ground motion.

2 citations


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Performance
Metrics
No. of papers from the Institution in previous years
YearPapers
20239
202210
202134
202037
201934
201818