FIELD: computing.
SUBSTANCE: technical solution relates to the field of computing. The effect is achieved by implementing a method for summing data about objects, using methods for joint confidential calculations and methods for sharing a secret, containing the following stages: an external customer or one of the suppliers submits a request to the orchestrator to calculate the sum of values; the orchestrator sends a request to all vendors to calculate secrets; each supplier divides his secret into shares; each supplier transfers one share of the secret to all other suppliers, and keeps one for himself; each supplier receives from all other suppliers their shares of the secret and calculates their sum with its own retained share, and then transfers the share of the secret of the result to the orchestrator; the orchestrator sums up the result secret shares received from all providers, containing the full set of secret shares for each operator; as a result, the orchestrator receives a sum of confidential data from suppliers without disclosing information about a separate term.
EFFECT: using the method for joint confidential computation and methods for secret sharing to hide the individual values of each individual participant.
4 cl, 2 dwg
