Patent ID: 9426654
Filing Date: 2016-08-23
CPC Classification: H04L,H04W

Claim Text:
1. A method for forming a trust relationship between an embedded Universal Integrated Circuit Card (eUICC) and a Subscription Manager-Secure Routing (SM-SR) connected to the eUICC via a network, the method comprising: a verification information generating step of generating, by the eUICC, a first verification information based on a first trust information that is transferred or shared; a verification information exchanging step of transmitting, by the eUICC, the first verification information to the SM-SR as information to be used by the SM-SR to authenticate the eUICC based on the first trust information, and receiving a second verification information from the SM-SR, the second verification information being generated by the SM-SR based on a second trust information that is transferred or shared; and a verification information verifying step of authenticating, by the eUICC, the SM-SR by verifying the second verification information received from the SM-SR based on the second trust information.