Patent ID: 9338159
Filing Date: 2016-05-10
CPC Classification: H04L,H04W

Claim Text:
1. A method comprising: determining whether a first mobile terminal possesses one or more first credentials that are configured to be issuable to another mobile terminal, wherein at least one of the one or more first credentials comprise a subscription identifier issued by a server and the at least one of the one or more first credentials is configured to grant access to one or more wireless network subscription services; causing, by a processor, a certificate enrollment procedure to be initiated by the first mobile terminal in an instance in which the first mobile terminal possesses one or more first credentials that are configured to be issuable to the another mobile terminal, wherein the certificate enrollment procedure results in a public key to be transmitted to the first mobile terminal and a first client certificate to be issued to the first mobile terminal that comprises a subscription identifier and a flag indicating whether the first client certificate is able to be shared with the another mobile terminal; receiving at least one second credential that is distinct from the first credential and is in the form of a client certificate generated by the first mobile terminal, the client certificate comprising the public key of the another mobile terminal signed by a private key of the first mobile terminal and having the subscription identifier; and accessing the one or more wireless network subscription services with the client certificate based on a verification of the private key and the subscription identifier.