CISSP Essentials

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CISSP training video: Cryptography algorithms and encryption keys

In this CISSP Essentials Security School presentation, Shon Harris explains the basics of the Cryptography domain, including definitions, cryptography algorithms, encryption keys and more.

The Certified Information Systems Security Professional Cryptography domain within the Common Body of Knowledge (CBK) is often considered the hardest of all the CISSP domains in the entire program, yet it remains one of the most critical. Sensitive data must be protected during transit; cryptography is imperative to achieving this.

In this special multimedia presentation from SearchSecurity's CISSP Essentials Security School, expert CISSP exam trainer Shon Harris, CEO and founder of Logical Security, offers a comprehensive overview of the complex cryptography section of the CBK.

Harris begins by explaining what cryptography is, including its goals, services and functionality within the information security industry. She continues by explaining numerous cryptography definitions -- including plaintext, ciphertext and cryptology -- and discusses what a cryptosystem is and how to calculate its strength.

The presentation also offers an in-depth explanation of asymmetric vs. symmetric cryptography and defines a number of cryptography algorithms, including the DES, Blowfish, AES, Diffie-Hellman, RSA and ECC. Harris concludes by explaining the topics of encryption key management and digital envelopes.

Watch the video

This multimedia presentation features not only seminar-style instruction, but also interactive components students can use to reinforce the most critical topics within the domain. Throughout the video, there are sections where students must pause to explore additional domain concepts. The volume can be adjusted on the lower left-hand corner of the video screen; controls to go back to view previous slides or skip ahead can be found on the lower right-hand corner of the video screen.

Video length: Approx. 45 minutes

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CISSP® is a registered certification mark of the International Information Systems Security Certification Consortium, Inc., also known as (ISC)2.

Next Steps

NEXT: Watch the next presentation in this domain on PKI and digital certificates

BACK: Read the spotlight article on the cryptography domain

RETURN to the main page of SearchSecurity's CISSP Essentials Security School

This was last published in October 2014

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