METHOD AND DEVICE FOR GUARANTEEING A USER TO A SERVICE PROVIDER

The invention concerns a method and a device for transferring data through a client software of a telecommunication terminal to guarantee a user of the telecommunication terminal to a service provider, the client software being connected to the service provider via a telecommunication network, an identity supplier being accessible via a software accessing inter alia the identity supplier of the telecommunication terminal via a telecommunication network. The method consists in generating a message addressed to the software accessing inter alia the identity supplier to obtain a guarantee from the identity supplier, in obtaining a guarantee from the identity supplier through the software accessing inter alia the identity supplier of the telecommunication terminal and in generating at least one message addressed to the service provider, the message comprising at least data concerning the guarantee obtained.