What is the function of the Hashed Message Authentication Code (HMAC) algorithm in setting up an IPsec VPN?

Last Updated: May 11, 2021
IT Exam Items Repository › Category: CCNA Security › What is the function of the Hashed Message Authentication Code (HMAC) algorithm in setting up an IPsec VPN?

What is the function of the Hashed Message Authentication Code (HMAC) algorithm in setting up an IPsec VPN?

  • protects IPsec keys during session negotiation
  • authenticates the IPsec peers
  • creates a secure channel for key negotiation
  • guarantees message integrity

Explanation: The IPsec framework uses various protocols and algorithms to provide data confidentiality, data integrity, authentication, and secure key exchange. The Hashed Message Authentication Code (HMAC) is a data integrity algorithm that uses a hash value to guarantee the integrity of a message.

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