DESIGN AND IMPLEMENTATION OF A COMPUTERIZED DATA SECURITY SYSTEM A CASE STUDY OF LEECON FINANCE AND INVESTMENT LTD

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ABSTRACT

Having discovered the importance of computers in al ranks and aspects of life, computer system is applicable to almost all human activities and has been employed to automats most activities especially in areas were management data is of outmost importance.

Due to unauthorized access to data in database, repose disclosure or modification will invade individual process, computers have been produced with an encipher and decipher package in various computer language like C++, paschal, Fortran, visual basic etc. voting modified from or RSA cipher encryption, the package is two keys are required. The two keys are public key and secret key respectively.

The project is aimed at developing a computer data security system using data, encryption know as cryptography to LEECOM FINANCE AND INVESTMENT LTD. it also takes a look at the present data security of LEECOM FINANCE AND INVESTMENT LTD, identifying the problems encountered in carrying out these process.

TABLE OF CONTENTS

Title Page

Certification

Dedication

Acknowledgement

Organization of work

Table of content

Abstract

CHAPTER ONE

1.1INTRODUCTION

1.2Background of the Study

1.3Statement of the Problem

1.4Purpose of Study

1.5Importance of Significance of the Study

1.6Scope and Delimitation

1.7Limitation

1.8Assumption

1.9Definition of Term

CHAPTER TWO

2.1LITERATURE REVIEW

CHAPTER THREE

3.1Description and Analysis of the Existing System

3.2Facts Findings Methods Used

3.3Objectives of the Existing System

3.4Organizational Structure

3.5Input, Process and Output Analysis

3.6Information Flow Diagram

3.7Problem of the Existing System

3.8Justification for the New System

CHAPTER FOUR

4.1Design of the New System

4.2Input Specification and Design

4.3Output Specification and Design

4.4File Design

4.5Production Chart

4.6System Flow Chart

4.7System requirements

CHAPTER FIVE

IMPLEMENTATIONS

5.1Program Design

5.2Program Flow Chart

5.3Pseudo Code

5.4Source Program

5.5Test Run

CHAPTER SIX

DOCUMENTATION

CHAPTER SEVEN

RECOMMENDATION AND CONCLUSION

7.1Recommendation

7.2Conclusion

REFERENCE

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DESIGN AND IMPLEMENTATION OF A COMPUTERIZED DATA SECURITY SYSTEM A CASE STUDY OF LEECON FINANCE AND INVESTMENT LTD

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