GIAC
GSLC · Question #43
GSLC Question #43: Real Exam Question with Answer & Explanation
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Question
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?
Options
- AMan-in-the-middle attack
- BKnown plaintext attack
- CReplay attack
- DCiphertext only attack
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