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By carefully measuring the amount of time required to perform private key operations, attackers may be able to find fixed Diffie-Hellman exponents, factor RSA keys, and break other cryptosystems.Against a vulnerable system, the attack is computationally inexpensive and often requires only known ciphertext. Actual systems are potentially at risk, including cryptographic tokens, network-based cryptosystems, and other applications where attackers can make reasonably accurate timing measurements. Techniques for preventing the attack for RSA and Dif ....etc

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ABSTRACT
STEPS INVOLVED IN SOFTWARE DEVELOPMENT LIFE CYCLE(SDLC)



Preject identification and selection
Project initialisation and planning
Requirement anaysis
Design
Coding
Testing
Implementation
Maintainance


PROJECT IDENTIFICATION AND SELECTION

This identifies the need for a new system or enhance system.
Information need of an organisation as who ....etc

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Public key cryptosystems were invented in the late 1970's, with some help from the development of complexity theory around that time. It was observed that based on a problem so difficult that it would need thousands of years to solve, and with some luck, a cryptosystem could be developed which would have two keys, a secret key and a public key. With the public key one could encrypt messages, and decrypt them with the private key. Thus the owner of the private key would be the only one who could decrypt the messages, but anyone knowing the publ ....etc

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Using SDLC Checklists and Reviews to Avert Security Flaws


Do you know?

75% of attacks today happen at the Application (Gartner). Desktop augmented by Network and then Web Application Security.

Many “easy hacking recipes” published on web.

3 out of 4 vendor apps we tested had serious SQL Injection bugs!

“The cost of correcting code in production increases up to 100 times as compared to in development...”
(1) MSDN (November, 2005) � ....etc

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The problem of factoring a large number into the constituent primes is a time old one and many a scientists have dedicated their time and effort for developing a compact and efficient factoring algorithm. The RSA encryption algorithm developed by Rivest, Shamir and Adelman based on primality testing and prime factoring is one of the best encryption algorithms in use today.
Here we discuss some of the recent developments in the field of primality testing and also a comparison study with the primality testing algorithm of the IIT?ians is also gi ....etc

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1.INTRODUCTION
This document describes the Software Development LifeCycle (SDLC) for small to medium database application development efforts This chapter presents an overview of the SDLC, alternate lifecycle models, and associated references. The following chapter describes the internal processes that are common across all stages of the SDLC, and the third chapter describes the inputs, outputs, and processes of each stage. Finally, the conclusion describes the four core concepts that form the basis of this SDLC.
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In general , which sdlc should be used for online shopping system ?

please help. ....etc

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i want the sdlc followed by most of the intrusion detection systems
....etc

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i want system development life cycle of online voting ....etc

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