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What is provided by the Secure Hash Algorithm in a VPN?

A.

integrity

Answers
A.

integrity

B.

key exchange

Answers
B.

key exchange

C.

encryption

Answers
C.

encryption

D.

authentication

Answers
D.

authentication

Suggested answer: A

Explanation:

The HMAC-SHA-1-96 (also known as HMAC-SHA-1) encryption technique is used by IPSec to ensure that a message has not been altered. (-> Therefore answer "integrity" is the best choice). HMACSHA- 1 uses the SHA-1 specified in

FIPS-190-1, combined with HMAC (as per RFC 2104), and is described in RFC 2404.

Reference: https://www.ciscopress.com/articles/article.asp?p=24833&seqNum=4

asked 10/10/2024
Allen J Tyson
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