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This paper presents circuit-based approaches to SIMPL Systems (SIMulation Possible, but Laborious Systems), which could be regarded as a "public-key" version of Physical Unclonable Functions. The use of these systems can help us to avoid some of the potential vulnerabilities of conventional cryptography, such as its dependency on secret binary keys. Two specially designed circuits for SIMPL systems are discussed: "skew" memories and massively parallel analog processor arrays known as Cellular Nonlinear Networks. We argue that these circuits are able to serve as SIMPL systems in practice, and discuss their security against numerical and physical attacks.

Businesses are on a perpetual quest to increase purchase intention to increase product sales. Currently, this study is also an effort in a similar context where consumers’ perception of product assortment, internet of things, order fulfillment, green packaging, and green design are comprehended. Besides, the research entails understating the assistance given to the customers for product purchases, followed by the signaling effect of these factors on the brand’s shopping assistance. The impact of shopping assistance is empirically analyzed on purchase intention to grasp the phenomena. Data were gathered using an online survey form, and analysis was done using PLS-SEM. The empirical testing suggests that product assortment, internet of things, order fulfillment, green packaging, and green design on shopping assistance support purchase intention. The result also confirms meditation of shopping assistance in the proposed model.

Environmental pollution and energy consumption caused by automobiles have facilitated green design technology. The key step of green design is to conduct the scientific assessment of its consequent effects. Based on the method of Life Cycle Assessment (LCA), the comprehensive assessment model developed in this paper aims to save energy and reduce emission. Two design schemes of dust-proof covers in the automobile steering system were evaluated by using the developed model. The results demonstrate that the scheme of the plastic dust-proof cover is better than the rubber type. This research is useful for guiding the implementation of the green design in the automobile enterprises in China.