get_shared_public python function in Private class #33
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Some applications may need to obtain, from a public key g^x and a private key y, the shared secret as a group element g^xy, instead of getting directly the hashed value as method get_shared_key does. I added a very simple method to the Private python class that does this.
I am using your library for an implementation of the Sphinx mixnet protocol (Danezis, George, and Ian Goldberg. "Sphinx: A compact and provably secure mix format." Security and Privacy, 2009 30th IEEE Symposium on. IEEE, 2009), for which this functionality is needed. Please let me know if I can improve the code in any way.
Best
Daniele