Symmetric Cryptography Course

This course provides an introduction to symmetric encryption algorithms.

46 minutes

Course description

Symmetric cryptography is one of the two major classifications of cryptographic algorithms. This course describes the main features of a symmetric algorithm and the two main subcategories of symmetric ciphers: block and stream. AES and RC4 are discussed as common examples of a block and a stream cipher.

Syllabus

Rivest Cipher 4 (RC4)

Video - 00:05:00
This video introduces RC4 and its security.
Stream Ciphers

Video - 00:06:00
This video introduces stream ciphers, the one-time pad and bit-flipping attacks.
The Advanced Encryption Standard (AES)

Video - 00:12:00
This video provides an introduction to the AES and its security.
Block Ciphers

Video - 00:15:00
This video introduces block ciphers and block cipher modes of operations.
Fundamentals of Symmetric Cryptography

Video - 00:05:00
This video describes symmetric ciphers and the main classifications of symmetric ciphers.
Course Introduction

Video - 00:02:00
This video introduces the Symmetric Cryptography course.

Meet the author

Howard Poston

Howard Poston is a copywriter, author, and course developer with experience in cybersecurity and blockchain security, cryptography, and malware analysis. He has an MS in Cyber Operations, a decade of experience in cybersecurity, and over five years of experience as a freelance consultant providing training and content creation for cyber and blockchain security. He is also the creator of over a dozen cybersecurity courses, has authored two books, and has spoken at numerous cybersecurity conferences. He can be reached by email at howard@howardposton.com or via his website at https://www.howardposton.com.
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