Zend\Crypt\PublicKey\DiffieHellman::generatePrivateKey
In the event a private number/key has not been set by the user, or generated by ext/openssl, a best attempt will be made to generate a random key. Having a random number generator installed on linux/bsd is highly recommended! The alternative is not recommended for production unless without any other option.
Signature
protected function generatePrivateKey()
Returns
- string