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Public Key Ecryption

Explore the fundamentals of public key encryption and how it differs from symmetric key encryption. Understand key management challenges, the mathematical basis of asymmetric keys, and common encryption algorithms. This lesson explains how these concepts relate to network security and cryptography, providing a foundational understanding useful for enhancing secure communications.

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For completeness we discuss the public key encryption in this lesson but you may skip this lesson as it doesn’t directly relate to Kerberos. However, bear in mind that Kerberos uses private/symmetric key encryption which is opposite of public/asymmetric key encryption in its theory and implementation.

Cryptographic algorithms can be classified as Symmetric and Asymmetric based on the number keys they use. The former use a secret key and the latter use a combination of secret and public keys.

Symmetric cryptographic algorithms use the same secret key to ...