Patent ID: 8219812

Claim:
A method of inserting a first device into a community of at least one device having knowledge of a user's login and password verifier, the method comprising at the first device steps of: receiving the user's login and password; searching for reachable devices; asking each reachable device if it knows the user's login; receiving from at least one responding device a response indicating that the responding device knows the user's login; performing Secure Remote Password (SRP) authentication with each responding device that knows the user's login, the SRP authentication proving the first device's knowledge of the user's password to the responding device and proving the responding device's knowledge of the user's password verifier to the first device; wherein the SRP authentication is repeated for each responding device until at least one SRP authentication is successful; and, when a responding device is successfully authenticated: calculating and storing the user's password verifier; and receiving from the responding device that is successfully authenticated a secret community key and storing the secret community key.