Cryptographic Methods

Beginner
  • 8 Videos | 30m 47s
  • Includes Assessment
  • Earns a Badge
Likes 43 Likes 43
Cryptography uses different methods to protect data. Explore different methods used to protect or transmit data securely, and some of the components that ensure data can be protected.

WHAT YOU WILL LEARN

  • describe how OPT, or one-time pad, cryptography can theoretically provide perfect secrecy but has some significant limitations
    describe and use a substitution cipher and understand the weaknesses that can be exploited by an attacker against these ciphers
    describe and identify the features and use cases for symmetric-key cipher algorithms
    describe and identify the features and use cases for asymmetric-key cipher algorithms
  • describe the use of steganography in encryption products to hide the fact data is even encrypted
    describe the purpose of cryptographic hash functions and how they can be used in cryptography to provide data integrity
    describe a digital signature and how it can be used for authentication and non-repudiation
    identify the cryptographic algorithm to use

IN THIS COURSE

  • Playable
    1. 
    Using a One-time Pad
    3m 47s
    UP NEXT
  • Playable
    2. 
    Describing Substitution Ciphers
    4m 8s
  • Locked
    3. 
    Using Symmetric Algorithms
    2m 34s
  • Locked
    4. 
    Working with Asymmetric Algorithms
    3m 24s
  • Locked
    5. 
    Hiding Data Using Steganography
    4m 20s
  • Locked
    6. 
    Using One-way Hashes
    2m 58s
  • Locked
    7. 
    Describing Digital Signatures
    2m 50s
  • Locked
    8. 
    Exercise: Identify the Cryptographic Algorithm used
    3m 17s

EARN A DIGITAL BADGE WHEN YOU COMPLETE THIS COURSE

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