python - Diffie-Hellman Parameters and safety -

i want create own safe connection voip app.

now looking key exchange seems more tricky encrypting/decrypting.

are there better approaches diffie-hellman in practice ?

i understand concept of diffie-hellman think needs right values safe since natural numbers guessed. how can values using python, , safe key guessing?

please me background informations / inspiring.

diffie-hellman key exchange, called exponential key exchange, method of digital encryption uses numbers raised specific powers produce decryption keys on basis of components never directly transmitted, making task of would-be code breaker mathematically overwhelming.

the serious limitation of diffie-hellman in basic or "pure" form lack of authentication. communications using diffie-hellman vulnerable man in middle attacks. ideally, diffie-hellman should used in conjunction recognized authentication method such digital signatures verify identities of users on public communications medium.

more light on topic available below:

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