GIAC Penetration Tester GPEN Question # 101 Topic 11 Discussion

GIAC Penetration Tester GPEN Question # 101 Topic 11 Discussion

GPEN Exam Topic 11 Question 101 Discussion:
Question #: 101
Topic #: 11

GSM uses either A5/1 or A5/2 stream cipher for ensuring over-the-air voice privacy. Which of the following cryptographic attacks can be used to break both ciphers?


A.

Man-in-the-middle attack


B.

Ciphertext only attack


C.

Known plaintext attack


D.

Replay attack


Get Premium GPEN Questions

Contribute your Thoughts:


Chosen Answer:
This is a voting comment (?). It is better to Upvote an existing comment if you don't have anything to add.