SY0-301 · Question #665
Which of the following cryptographic algorithms is MOST often used with IPSec?
The correct answer is D. HMAC. IPSec relies on HMAC (Hash-based Message Authentication Code) for data integrity and authentication of packets within its Authentication Header (AH) and Encapsulating Security Payload (ESP) protocols. HMAC-SHA1 and HMAC-SHA256 are standard components of IPSec implementations to…
Question
Which of the following cryptographic algorithms is MOST often used with IPSec?
Options
- ABlowfish
- BTwofish
- CRC4
- DHMAC
How the community answered
(48 responses)- A4% (2)
- C2% (1)
- D94% (45)
Explanation
IPSec relies on HMAC (Hash-based Message Authentication Code) for data integrity and authentication of packets within its Authentication Header (AH) and Encapsulating Security Payload (ESP) protocols. HMAC-SHA1 and HMAC-SHA256 are standard components of IPSec implementations to verify that packets have not been tampered with and originate from a trusted source. Blowfish and Twofish are symmetric encryption ciphers not commonly associated with IPSec. RC4 is a stream cipher that is largely deprecated and not a standard IPSec algorithm.
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