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Which of the following uses a symmetric key and a hashing algorithm?

Which of the following uses a symmetric key and a hashing algorithm?

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A.
HMAC

B.
Triple-DES

C.
ISAKMP-OAKLEY

D.
RSA

Explanation:
A: When an HMAC function is used, a symmetric key is combined with the message, and then that result is put though a hashing algorithm. The result is an HMAC value. HMAC provides data origin authentication and data integrity.

2 Comments on “Which of the following uses a symmetric key and a hashing algorithm?

  1. joe says:

    When an HMAC function is used, a symmetric key is combined with the message, and then that result is put though a hashing algorithm. The result is an HMAC value. HMAC provides data origin authentication and data integrity




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