Joseph Alan Jose

### Describe your change: * [x] Add an algorithm? * [ ] Fix a bug or typo in an existing algorithm? * [ ] Documentation change? ### Checklist: * [x]...

Fixed some typos in the file diffie_hellman_key_exchange.py

I am creating a pull request for... - [x] New algorithm - [ ] Update to an algorithm - [ ] Fix an error - [ ] Other - *Describe...

Api documentation page not working.

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