Question: Compute te Secret Key 11- A simple method to calculate a message digest value is to break the message into 128-bitblock, treat each block as

Compute te Secret Key 11- A simple method to calculate a message digest value is to break the message into 128-bitblock, treat each block as a 128-bit integer, and sum them. Would this be an effective message digest algorithm? Why or why not? 12- Suppose Alice already has Bob's public key. Show how Alice can authenticate

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