Data Compression and Encryption with Coding

Loo, Kim Yang (2016) Data Compression and Encryption with Coding. Final Year Project (Bachelor), Tunku Abdul Rahman University College.

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Abstract

This project focuses on Data Compression, Modern and Classical Cryptography, the combination of two in modern application and user program for Cryptography. Beginning with the notion that a link could exist due to the similar structure of the general methods, chapters individually explore the processes. A simple analysis of classical cryptography starts in the classical age and describes methods used until World War II. Meanwhile, creating a user program for testing to more understanding how the classical cipher work. Shifting to the modern computer implementations, the call for the National standards introduced a new generation of consumer computer based cryptographic methods that required to be sufficiently strong for world-wide use. Moving focus to data compression, compression methods from the 1950s through present day are explored and demonstrated. Finally, the combination of two processes brings benefit, when used in series: compression then encryption, the compression adds to the overall security of the data and yields a smaller encrypted file.