Describe a simple example of a substitution-based cipher

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Reference no: EM131831964

Problem

1. What are the most common types of access rights?

2. How can auditing be used to protect a computer system from fraudulent use?

3. Describe a simple example of a substitution-based cipher.

4. Describe a simple example of a transposition-based cipher.

5. How can public key cryptography make systems safer?

Reference no: EM131831964

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