# Cryptography : Diffie Helman Key Exchange

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Alice and Bob want to do a Diffie-Helman Key Exhange. The public base is 5 and the public modulus is 11. Suppose Alice chooses a = 2 and Bob Chooses b=3. What common key did they calculate?

What does the security of the Diffie Helman Key exhange depend upon?

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#### Solution Preview

This is the procedure, the public base is g=5 and the public module is p=11.

1. Alice selects a=2

2. Alice sends ...

#### Solution Summary

A commom key is found from a Diffie-Helman key exchange. The solution is detailed.

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