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Asymmetric Cryptography

This course provides an introduction to asymmetric encryption algorithms.

6 videos  //  36 minutes of training

Course description

Asymmetric encryption algorithms take a very different approach to encryption. This course discusses the mathematical principles that are the basis of asymmetric encryption, the ways that RSA and Diffie-Hellman work, how asymmetric cryptography provides more than just confidentiality, and the benefits of elliptic curve cryptography.

Course syllabus

Course IntroductionDuration: 1:21

This video introduces the Asymmetric Cryptography course.

Introduction to Asymmetric CryptographyDuration: 13:41

This video introduces asymmetric cryptography and the mathematical operations that it is based on.

Rivest-Shamir-Adleman (RSA)Duration: 5:55

This video introduces the Rivest-Shamir-Adleman (RSA) encryption algorithm.

Diffie-Hellman Key ExchangeDuration: 4:21

This video introduces the DIffie-Hellman algorithm for developing a shared secret key over an untrusted channel.

Digital SignaturesDuration: 7:38

This video introduces digital signatures and their role in providing authentication, integrity and non-repudiation.

Elliptic Curve CryptographyDuration: 3:30

This video introduces how elliptic curve cryptography provides an alternative to integer-based asymmetric cryptography.

Meet the author

Howard Poston


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 or via his website at

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Plans and pricing





$599 / license

Annually. Includes all content plus team admin and reporting.