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1) prepare down the functions that are used to produce the authenticator?

2) Determine the block size of MD5 and how many bits are produced as the message digest?

3) What do you understand by hash function?

4) prepare down the difference between MAC and Hash function.

5) prepare down any three hash algorithm. describe them with suitable ex.

6) describe the requirements of the hash function in detail with suitable ex.

7) What is the function of compression function in hash function?

8) prepare down the difference between direct and arbitrated digital signature?

9) What do you mean by Birthday attack? describe it with suitable ex.

10) What do you mean by weak collision property of a hash function?

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