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Principal ingredients of public-key cryptosystem

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Reference no: EM132899423

1. List three approaches to message authentication.

2. What is a message authentication code?

4. What properties must a hash function have to be useful for message authentication?

5. In the context of a hash function, what is a compression function?

6. What are the principal ingredients of a public-key cryptosystem?

7. List and briefly define three uses of a public-key cryptosystem.

8. What is the difference between a private key and a secret key?

9. What is a digital signature?

Reference no: EM132899423

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