Question:
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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