Encryption algorithms all do the same job but can do it in very different ways. However, some features can be found across multiple families of cryptosystems. This course discusses some of the mathematical operations and structural design elements that can be found in many different cryptographic algorithms.
Course IntroductionDuration: 1:11
This video introduces the Fundamentals of Cryptography course.
Mathematics of CrpytographyDuration: 7:40
This video describes some of the mathematical operations most used in cryptography.
Structures of CryptographyDuration: 12:01
This video describes Feistel networks and the use of separated encryption algorithms and key expansion protocols in ciphers.
Meet the author
Howard Poston is a cybersecurity researcher with a background in blockchain, cryptography and malware analysis. He has a master's degree in Cyber Operations from the Air Force Institute of Technology and two years of experience in cybersecurity research and development at Sandia National Labs.
He currently works as a freelance consultant providing training and content creation for cyber and blockchain security. He can be reached by email at email@example.com or via his website at https://www.howardposton.com.
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