Crucial Exams

Certified Ethical Hacker (CEH) Practice Question

During a secure code audit you discover that a custom cipher's source code will remain proprietary, and the developer claims this secrecy makes brute-forcing the key impractical. As an ethical hacker, which fundamental cryptography concept should you reference to explain why depending on a hidden algorithm does not provide real security?

  • Key stretching

  • Principle of least privilege

  • Kerckhoffs's Principle

  • Perfect forward secrecy

Certified Ethical Hacker (CEH)
Cryptography
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