Patent ID: 6868408

Claim:
A method for an electronic module to sign-on to a network having a network server that links said electronic module to a security server, comprising the steps of: said electronic module sending its certificate to said network server; said network server generating a random key and a random verification number, and sending an encrypted message including said certificate, said random key, and said random verification number to said security server; said security server decrypting said encrypted message, storing said random key and random verification number, and verifying the validity of said certificate; said security server establishing a secure communication session with said electronic module; said security server sending updated security information, that is digitally signed by a cryptographic key of said security server, to said electronic module; said electronic module verifying the validity of said digitally signed updated security information, and updating stored security information with said updated security information; said security server sending said random key, and said random verification number to said electronic module, and ending said secure communication session; said electronic module generating a destination message by encrypting said random verification number and a destination with said random key, and sending said destination message to said network server; said network server decrypting said message and verifying said random verification number; and said network server establishing a link to said destination.