In this paper we have investigated the security of different variants the golden cryptography, and showed that all the variants of the cryptosystem are not secure against chosen-plaintext attack.Int. J. Contemp. Math. Sciences, Vol. 7, 2012, no. 7, 327 - 335 On the Security of Golden Cryptosystems M. Tahghighi1, S. Turaev1, A. Jaafar1, R. Mahmod1an

An axisymmetric vibration analysis of an isotropic circular plate with a piezoceramic annular plate attached to it is presented. The annular plate is attached at the circular plate edge so that the radius of the circular plate is the inner radius of the annular plate. The piezoceramic annular plate is used as the radial in-plane load source. A free

The purpose of this research was to evaluate the quality of Safeer portal. “Safeer” is a portal through which a student can apply for any of the 86 available academic, administrative and financial services. It was launched on Sunday 29th of January 2009; to link the Saudi ministry of higher education to Saudi cultural missions around the world.

This paper discusses traffic problems in the world and emphasizes on Kuwait city as case study. Many of these problems can be solve by building a Traffic Management System based on a Wireless Sensor Network (WSN). TMS is an innovative design for the road that saves time and money for the driver. This solution creates a city of intelligence, which c

A web application is an application that utilizes web and [web] browser technologies to accomplish one or more tasks over a network. Some researches uncovered that web applications or web-based tools, if effectively deployed, could enhance students learning experiences. This study aims to examine the awareness, level of usage and perceived usefulne

The significance for measuring the accurate flow rate of gases in pipelines has been ever-increasing in the industrialized regions. There arises the need for gross measurements of gas-flow at some points while more accurate measurements of gas-flow are needed at some other points in an industry. Moreover, as the industry develops it undergoes chang

Due to the growth of computer networks, the word routing protocol has spread with a notice able speed making a huge impact through the world of networking. Various types of routing protocols have been used in lots of fields; each field uses the protocols that suit its needs with consideration to several metrics such as power and bandwidth consumpti

The advancement of magnetic sensors in biomedical sector has led toward an immense range of applications. Inductive coupling link has been validated as the most suitable and efficient means for wireless transfer of signal where coupling coefficient plays a crucial role to determine the strength of the transmission in power transfer. In view of that

Demand feeding is one of the feeding methods in aquaculture. In this system, the fish turn on the switch of the feeder to get feed (Furukawa, 2001). This feeding method can improve fish growth and decrease feed losses (Azzaydi et al., 1998). The current most urgent issue facing the aquaculture industry in Malaysia is the seed production (Hussin et

Book Description: Since the development of linear elastic fracture mechanics (LEFM) decades ago, its limitations have been discussed extensively. Methods of manipulation on how to overcome the problems have been proposed by many enthusiasts. This book also highlights the limitation and at the same time proposes solutions. The effect of fracture on