Friday, 10 June 2016

Application of Discrete Mathematics RSA Algorithm Report

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Table of Content


  • Introduction
  • Mathematical Prerequisites
    • Euler's Totient Function
    • Coprime Integers
    • Modular Multiplicative Inverse
    • Euler's Theorem
    • Modulo Congruence
  • Operation
    • Generating Public & Private Keys
    • Encryption
    • Key Distribution
    • Decryption
  • Working Example
  • Alternative Solution
    • Caesar Cipher
  • RSA Reliability & Advantages
    • Prime Generation & Integer Factorization
    • Modular Exponetiation and Roots
    • Advantages of RSA over Caesar Cipher
  • Conclusion

Preview

Introduction


Number theory may be one of the “purest” branches of mathematics, but it has turned out to be one of the most useful when it comes to computer security. For instance, number theory helps to protect sensitive data such as credit card numbers when you shop online. This is the result of some remarkable mathematic research from the 1970s that is now being applied worldwide.

Sensitive data exchanged between a user and a Web site needs to be encrypted to prevent it from being disclosed to or modified by unauthorized parties. The encryption must be done in such a way that decryption is only possible with the knowledge of a secret decryption key. The decryption key should be known by authorized parties.

This is the concept of public-key cryptography. The distinguishing technique used in public-key cryptography is the use of asymmetric key algorithms, where a key used by one party to perform either encryption or decryption is not the same as the key used by another in the counterpart decryption. RSA is one of the asymmetric algorithms.

RSA is one of the first practical public-key cryptosystems and is widely used for secure data transmission. In RSA, this asymmetry is based on the practical difficulty of factoring the two products of two large prime numbers, the factoring problem. RSA is made of the initial letters of the surnames of Ron Rivest, Adi Shamir, and Leonard Adleman, who first publicly described the algorithm in 1977.

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Wednesday, 8 June 2016

Smart Parking System Based On Wireless Sensor Network Report

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Table of Content


  • Abstract
  • Introduction
    • Existing Approach
      • Issue/Problems
      • Absence of Parking Guidance
      • Undetermined Parking Availability
      • Absence of Parking Pricing & Regulations Information
      • Poor Law Enforcement
      • Inconvenient Payment Solution
      • Absence of Parking Analytic Data
  • Solution
    • Mobile Application Solution
    • Wireless Sensor Network
    • Guided Parking Enforcement
    • Mobile Payment Solution
    • Concept Art
  • Network Architecture & Protocol Stack
    • Introduction
    • Sensor Node Structure
    • Architecture
    • Protocol Stack
      • Application Layer
      • Transport Layer
      • Network Layer
      • Data Link Layer
      • Physical Layer
  • Literature Review
    • Parking Guidance & Information Systems (PGIS)
    • Transit-Based Smart Parking System
    • Smart Payment Solution
    • E-Parking
    • Other WSN based Systems
  • Potential Flaws & Ways To Overcome
  • Summary
  • Citation
  • Works Cited

Preview

Introduction


Parking, the most agonizing experience any urban driver can have. The thoughts that come to mind are often quite negative. When it comes to finding a parking space, drivers either rely on their good eyesight where they make move as soon as they lock-on a target or they just simply bet on their instincts where each turn they make hopefully will lead to a jackpot. People can spend up to hours just to find one parking space. Not only does this make the drivers go nuts, it also contributes to traffic congestion and even environmental pollution. However, it isn’t always about the driver. Shops and local businesses are also heavily affected by the parking availability near them. On the other hand, from time to time some portion of the people just doesn’t feel like abiding the rules. This is where parking violations comes in that ruins the parking enforcement laws. As we look at ways to apply technology to tackle some of the most pressing issues facing our cities today, parking is sure ripe for some innovation. Below are some interesting facts provided by Cisco that tells us a little bit more about parking.

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