Model checking for Securing E-commerce transaction

ABSTRACT

The rapid growth of electronic commerce (e-commerce) has necessitated the development of e-commerce protocols. These protocols ensure the confidentiality and integrity of information exchanged. In addition, researchers have identified other desirable properties, such as, money atomicity, goods atomicity and validated receipt that must be satisfied by e-commerce protocols. This seminar shows how model checking can be used to obtain an assurance about the existence of these properties in an e-commerce protocol. It is essential that these desirable properties be satisfied, even in the presence of site or communication failure. Using the model checker we evaluate which failures cause the violation of one or more of the properties. The results of the analysis are then used to propose a mechanism that handles the failures to make the protocol failure resilient.

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Embedded Systems Security

ABSTRACT

The paper discusses the hardware and software security requirements in an embedded device that are involved in the transfer of secure digital data. The paper gives an overview on the security processes like encryption/decryption, key agreement, digital signatures and digital certificates that are used to achieve data protection during data transfer. The paper also discusses the security requirements in the device to prevent possible physical attacks to expose the secure data such as secret keys from the device. The paper also briefs on the security enforced in a device by the use of proprietary security technology and also discusses the security measures taken during the production of the device.

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HDD Embedded DSR

ABSTRACT


This paper presents a new design and implementation of HDD (Hard Disk Drive) embedded DSR (Digital Satellite Receiver). The digital broadcasting technology enables multimedia access via broadcasting system. The amount of digital data to be processed is increased as compared to the previous broadcasting environment. In this paper’ a method is proposed to provide storage ability of a DSR to cope with these changes. Efficient digital data storage and management technology is also discussed. The real data recording and playing back are the most important function of the proposed system. The trick modes such as fast forward and fast backward support are the other important factors of the proposed system as compared to the previous analog recorders. The above-mentioned functions are the main evolution criteria for the system performance. The DSR uses new file system that is designed by considering disk cluster size and limited memory in the system, which is more appropriate than that of the general personal computer. This system enables us to watch broadcasting and to manage multimedia data efficiently.



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