I'm not a cryptographer, much less from the cryptography community, but I think what you're looking for is known as Fully Homomorphic Encryption. Check it out a

I'm not a cryptographer, much less from the cryptography community, but I think what you're looking for is known as Fully Homomorphic Encryption. Check it out at https://en.wikipedia.org/wiki/Homomorphic_encryption https://en.wikipedia.org/wiki/Homomorphic_encryption What is SMP?