Encryption: Security in the age of technology
Summary :
Table of Contents
- Introduction.
- Encryption, a word associated with mystery and secrecy.
- The introduction of the Internet.
- How DES works.
- Different modes of usage.
- Problems with DES.
- IDEA - the International Data Encryption Algorithm.
- How it works.
- The SKIPJACK algorithm.
- How the Rijindael algorithm works.
- The future of Encryption.
- The use of quantum cryptography.
- Developement from the most simplistic ideas to highly complex algorithms.
- Conclusion.
Abstract
encryption is a word that is associated with mystery and secrecy. For hundreds of years, it is tool that has been used to help protect information. Simply, it is a process that scrambles ordinary textual or written information into something that is illegible and difficult to read or decipher. Private messages, military strategies, and financial data are some examples of things that have utilized encryption. Julius Caesar used a simple form of encryption by switching the letters in his messages so his enemies could not read it. Today it is known as a substitution cipher. Each letter of the alphabet is replaced with a letter three places further down the alphabet.
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