Notifications
Clear all
Topic starter
What is Kerchoff's principle?
- A . A minimum of 15 rounds is needed for a Feistel cipher to be secure
B. Only the key needs to be secret, not the actual algorithm
C. Both algorithm and key should be kept secret
D. A minimum key size of 256 bits is necessary for security
Suggested Answer: B
Explanation:
Only the key needs to be secret, not the actual algorithm https://en.wikipedia.org/wiki/Kerckhoffs%27s_principle
Kerckhoffs's principle of cryptography was stated by Netherlands born cryptographer Auguste Kerckhoffs in the 19th century: A cryptosystem should be secure even if everything about the system, except the key, is public knowledge.
Explanation:
Only the key needs to be secret, not the actual algorithm https://en.wikipedia.org/wiki/Kerckhoffs%27s_principle
Kerckhoffs's principle of cryptography was stated by Netherlands born cryptographer Auguste Kerckhoffs in the 19th century: A cryptosystem should be secure even if everything about the system, except the key, is public knowledge.
Posted : 22/10/2022 6:51 pm