Paper Topic:

Encryption

Encryption

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I . Introduction

Every individual has its secrets , secrets that do not need to be divulged . Even organization-especially the business companies- has confidential dealings , confidential information that make its organization productive and competitive . And because of this confidential information , companies choose to have encryption . What is encryption then ? Encryption is defined as the process of obscuring information to make it unreadable without special knowledge (see

Encryption . Wikipedia , the free encyclopedia . Nov . 26 , 2006 . This would mean that through encryption , confidential information is continuously keep and protected over the years . For several years now encryption has been utilized to safeguard confidential communications however , encryption is only applied for those individuals and associations having an exceptional and remarkable need for secrecy have applied this kind of process . Encryption is used by government agencies that have intention to preserve secrets from the public during the time of 1970s and is presently utilized to safeguard commonly utilized systems like the mobile telephone networks , bank automatic teller machines and e-commerce . Moreover , this kind of process is utilized to safeguard confidentiality but there are still different techniques that are needed to make the communications protected specifically to confirm and substantiate the reliability and legitimacy of a communication . In addition , encryption is also called as software code obfuscation ' and is utilized in software copy protection in contradiction to reverse engineering , cracks and software imitation that is utilized in various obfuscating software (see Encryption Wikipedia , the free encyclopedia . Nov . 26 , 2006

Furthermore , computer encryption is derived from the science of cryptography that has been utilized through the years . Before the time embraces the advanced technology like the digital age , most users of the encryption are from the government agencies specifically for the military purposes . In encryption , the messages are coded even during the Roman Empire . However , most methods of encryption in use these days depend on computers it is because a human-based code ' is very simple for a computer to crack . Majority of the computer encryption systems belong in one of the two groups and these are the symmetric-key encryption and public-key encryption (see Tyson , Jeff . Encryption Systems

The intents of this are to (1 ) understand what encryption really is (2 ) know the recent trend in encryption (3 ) realize the importance of encryption (4 ) recognize on how encryption works (5 ) be aware of its etymology and (6 ) figure out the types of cipher

II . Background

A . What is encryption

Encryption is used to keep the secrecy of a against numerous threats to security of an intranet (see How Encryption Works Chapter 17 . There is always a risk in sending data if people intercept information sent across an intranet or from the intranet through the Internet (see How Encryption Works ' Chapter 17 . Intercepting confidential information - like credit card information - that is transmitted through Internet is one of the dilemmas in the Internet world . The confidential...

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