Cryptography

Build a baseline of cryptography knowledge as you progress through this course covering essential cryptography concepts and use cases.

13 videos  //  147 minutes of training

Free training week — 1,400+ on-demand courses and hands-on labs

Course description

This course introduces the fundamental concepts of cryptography. It covers the key terminology and common use cases for cryptography. The course also explains symmetric cryptosystems, provides an overview of common hashing algorithms and common implementation concerns.

Course syllabus

Cryptography BasicsDuration: 17:16

In this episode, Mike goes over the goals and methods used in cryptography.

Cryptographic MethodsDuration: 7:29

In this episode, Mike shares various methods used in cryptography, and the various methods used to protect the keys.

Symmetric CryptosystemsDuration: 11:49

In this episode, Mike describes encrypting and decrypting data with the same key.

Symmetric Block ModesDuration: 7:50

In this episode, Mike talks about the usage and benefits of block modes when used in symmetric encryption.

RSA CryptosystemsDuration: 10:23

In this episode, Mike describes encrypting and decrypting data with different keys.

Diffie-HellmanDuration: 6:47

In this episode, learn the Diffie-Hellman key exchange agreement and methods as Mike conceptualizes this very complex algorithm.

PGP/GPGDuration: 9:50

In this episode, Mike works though the ups and downs of the PGP/GPG encryption methods.

HashingDuration: 7:20

In this episode, Mike shows how a hash provides integrity to data.

HMACDuration: 3:51

In this episode, Mike explains how hashing can improve message security.

StenographyDuration: 5:42

In this episode, Mike illustrates that information can be hidden within other data.

Certificates and TrustDuration: 13:51

In this episode, Mike explains certificates and how they are used to establish trust.

Public Key InfastructureDuration: 20:53

In this episode, Mike discusses public key infrastructure (PKI), used to enable commerce and other secure activities over the Internet.

Cryptographic AttacksDuration: 24:18

In this episode, Mike explains how encrypted information is at risk and explores ways to protect it.

Meet the author

Mike Meyers

LinkedIn

Mike Meyers, affectionately called the "Alpha Geek," is the industry's leading authority on CompTIA certifications. He is the president and co-founder of Total Seminars, LLC, a provider of PC and network repair seminars, books, videos and courseware for thousands of organizations throughout the world. Mike has been involved in the computer and network repair industry since 1987 as a technician, instructor, author, consultant and speaker. He has sold over a million IT and certification books, including the best-selling CompTIA A+ Certification All-in-One Exam Guide and CompTIA Network+ Certification All-in-One Exam Guide. He has personally taught thousands of students, including U.S. senators, U.S. Supreme Court Justices, members of the United Nation, every branch of the U.S. Armed Forces, many branches of the Department of Justice, hundreds of corporate clients and academic students at every level.

Plans & pricing

Infosec Skills Personal

  • 190+ role-guided learning paths (e.g., Ethical Hacking, Threat Hunting)
  • 100s of hands-on labs in cloud-hosted cyber ranges
  • Custom certification practice exams (e.g., CISSP, Security+)
  • Skill assessments
  • Infosec peer community support

Infosec Skills Teams

$799 per license / year

Book a Meeting
  • Team administration and reporting
  • Dedicated client success manager
  • Single sign-on (SSO)
    Easily authenticate and manage your learners by connecting to any identity provider that supports the SAML 2.0 standard.
  • Integrations via API
    Retrieve training performance and engagement metrics and integrate learner data into your existing LMS or HRS.
  • 190+ role-guided learning paths and assessments (e.g., Incident Response)
  • 100s of hands-on labs in cloud-hosted cyber ranges
  • Create and assign custom learning paths
  • Custom certification practice exams (e.g., CISSP, CISA)
  • Optional upgrade: Guarantee team certification with live boot camps

Award-winning training that you can trust

IDC MarketScape Leader: U.S. IT Training

IDC MarketScape Leader: U.S. IT Training

Infosec Skills

eLearning Content

eLearning Content

Infosec Skills

Best Product - Cybersecurity Training for Infosec Professionals

Best Product - Cybersecurity Training for Infosec Professionals

Infosec Skills

Security Education & Platform

Security Education & Platform

Infosec Skills

Ranked #52 in Top 100 Global Software Sellers

Ranked #52 in Top 100 Global Software Sellers

Infosec