Method for downloading subscriptions in secure elements and for packaging subscriptions to be downloaded later into secure elements

摘要

The invention concerns a method for downloading subscriptions in secure elements (10), each secure element (10) cooperating with a telecommunication terminal.;According to the invention, the method consists in:a- Ciphering at the level of a manufacturer unit of the secure element, the subscriptions with a manufacturer key and a unique first AID;b- Transferring the ciphered subscriptions to a Subscription Manager Data Preparation unit (SM-DP) along with the manufacturer key and the unique first AID;c- At the occurrence of a request for downloading one of these subscriptions in one secure element, generating a second AID by a Subscription Manager Secure Routing unit (SM-SR) in order to be able to address the content of the subscription later on through the second AID.d- Transmitting one ciphered subscription to this secure element (10), along with the manufacturer key and the unique first AID;e- Deciphering in the secure element (10) the subscription with the manufacturer key and the first unique AID and installing the subscription in the secure element (10).