Do you recall when superman gets locked in a phantom zone? It's a weird concept where superman can hear and observe things outside the zone but no one can see superman. Well this is what Phantom is about. With Phantom you and your friends can port yourselves to the phantom zone, play games, have conversations, perform any arbitrary compute and only remember the things that you pre-conditioned yourselves to remember when you're back. Think of it as a computer that erases itself off of the face of earth (with cryptographic security) after it returns the output.
"Phantom zone" is similar to the zone in which superman gets locked, but it's not meant to lock anyone. It's meant to be a new zone that in parallel to reality. It's the zone to which you port yourself, with others, to, and take arbitrary actions but only remember the things you preconditioned yourself to rememeber when you are back. Think of the zone as a computer that erases itself off of the face of the earth after it returns the output, leaving behind no trace.
More formally, Phantom is a experimental multi-party computation library that uses fully homomorphic encryption to compute arbitrary functions on private inputs from several parties.
More formally, phantom-zone is a experimental multi-party computation library that uses fully homomorphic encryption to compute arbitrary functions on private inputs from several parties.
At the moment Phantom is pretty limited in its functionality. It offers to write circuits with encrypted 8 bit unsigned integers (referred to as FheUint8). You can work with FheUint8 like any normal Uint8 with a few exceptions mentioned below. We don't plan to just stick with 8 bit types and have plans to extend the APIs to more unsigned / signed types.
At the moment phantom-zone is pretty limited in its functionality. It offers to write circuits with encrypted 8 bit unsigned integers (referred to as FheUint8). You can work with FheUint8 like any normal Uint8 with a few exceptions mentioned below. We don't plan to just stick with 8 bit types and have plans to extend the APIs to more unsigned / signed types.
We provide two types of multi-party protocols, both only differ in key-generation procedure. First is non-interactive multi-party protocol, which requires a single shot message from the clients to the server after which the server can evaluate any arbitrary function on encrypted client inputs. Second is interactive multi-party protocol. It is a 2 round protocol where in the first round clients interact to generate collective public key and in the second round clients send their server key share to the server, after which server can evaluate any arbitrary function on encrypted client inputs.
Janmajaya Mall
9 months ago