A Comparative Study of some Traditional and Modern Cryptographic Techniques.
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Date
2017
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Publisher
International Journal of Engineering & Management Research
Abstract
In the era of Internet and networks applications with the attendant prevalence of virus attacks, and intrusion of various kinds and intensities, information security has become a major challenge. There is a demand for stronger encryption techniques which are very hard to crack. The role of cryptography in the field of network security has become very pivotal. There are a wide range of cryptographic algorithms that are used for securing
networks. There are also continuous research efforts to formulate new cryptographic algorithms aimed at evolving more advanced techniques for more secured ommunication. This work analyses some cryptographic techniques based on programming approaches and performances using certain criteria such as the block size, key length, and encryption time and security issues. Blowfish technique was found to offer a better performance compared to AES and RSA in terms of average encryption time. However, DES and Blowfish share the smallest block size of 64 bit while DES has the least key length of 56 bits.
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Keywords
Encryption, Cryptography, Algorithm, Block size, key length