This tutorial covers the fundamentals of the science of cryptography. It clarifies how computer operator and network specialists can use cryptography to uphold the privacy of computer data. Starting with the origins of cryptography, it moves on to clarify cryptosystems, several traditional and modern ciphers, public key encryption, data integration, message authentication, and digital signatures.
This tutorial is expected for students of computer science who seek to learn the fundamentals of cryptography. It will be beneficial for networking specialists as well who would like to join various cryptographic algorithms to confirm secure data communication over their networks.
This tutorial has been organized with the view to make it useful for almost anybody who is interested about cryptography. A elementary knowledge of computer science and a secondary level of mathematics information is adequate to make the most of this lecture.
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