Challenges of network and computer security

1. List and briefly explain about various security attacks.

2. What are the challenges of network and computer security?

3. What is the difference between symmetric encryption and asymmetric encryption?

4. Give some attacks and its corresponding countermeasures in cryptography.

5. List and briefly explain about different categories of the security services.

1. Explain cryptographic message syntax.

2. Explain briefly about S-HTTP .

3. Explain SSL architecture.

4. Describe the working of SSL. 3. Point out the applications of SSL.

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