What is the challenge that must be overcome with symmetric key cryptography?
- choosing the encryption algorithm to ensure the secure transfer of the key
- having the sender and receiver agree on the same secret key without anyone intercepting it
- identifying the strength of the symmetric keys for implementation
- selecting a central authority to manage the symmetric key
Explanation: With symmetric key encryption, the problem is getting the sender and receiver to agree on the same secret key without anyone else finding out. Because all keys in a secret-key cryptosystem must remain secret, the challenge has been with providing secure key management
Exam with this question: IoT Sec 1.1 Fundamentals: IoT Security Final Exam Answers
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