openmined-psi

from openmined_psi import client, server # Setup common inputs client_inputs = ["client@example.com", "client2@example.com", "test@example.com"] server_inputs = ["client@example.com", "server@example.com", "test@example.com"] # --- Server side --- # Create a server instance (e.g., with a new key) server_psi = server.CreateWithNewKey(False) # 'False' means not to reveal the server's key # Create a setup message. The first parameter is the FPR (False Positive Rate), # the second is the number of elements in the server's set. setup_message = server_psi.CreateSetupMessage(0.001, len(server_inputs), server_inputs) # --- Client side --- # Create a client instance client_psi = client.CreateWithNewKey(False) # 'False' means not to reveal the client's key # Create a request message from the client's inputs request = client_psi.CreateRequest(client_inputs) # --- Server side (handling request) --- # Server handles the client's request response = server_psi.HandleRequest(request) # --- Client side (getting intersection size) --- # Client processes the server's response to get the intersection size. # Note: openmined-psi only provides the intersection *size* for privacy reasons, # not the actual elements themselves. intersection_size = client_psi.GetIntersectionSize(response) print(f"Intersection size: {intersection_size}") # Expected: 2 (client@example.com, test@example.com)