ACCESS TO SERVICES IN A TELECOMMUNICATIONS NETWORK

摘要

A method and arrangement is disclosed for providing a user, not previousl y having an individual subscription with a network operator, with credential s for secure access to network services. The arrangement includes a gateway, associated with a subscription for network services, having means for gener ating and exporting to a user entity personalized user security data derived from security data related to the subscription. !n particular, the derivati on of credentials is based on a function that is shared between network and gateway and further conveniently makes use of bootstrapping on keying materi a! from the subscription authentication. Pre-registered user identities are assigned trusted users who, thereafter, can download credentials and authent icate for service access. The invention may be implemented at a public place for providing temporary visitors network access whereby trust may exemplary be established by presenting a credit card.