Secure access to data in a device

摘要

The invention concerns secure access to data in an electronic device (3). For this a link is set up with a server (2). The user of the electronic device (3) and/or the electronic device (3) carries out self-authentication in relation to the server (2). In case that the authentication is successful a first key is received from the server (2) at the device (3). The first key serves for decryption of encrypted data stored on the electronic device (3). The decrypted data are intended for a communication of the electronic device (3). Alternatively the first key is together with data stored on the electronic device (3) intended for the communication of the electronic device (3).

主权项

1. Method, carried out at an electronic device, comprising:
setting up a link with a server; authenticating at least one of the user of the electronic device and the electronic device in relation to the server; obtaining a first key from the server upon successful authentication, wherein at least one of the following holds with respect to the first key:
the first key serves for decryption of encrypted data stored on the electronic device to obtain decrypted data intended for a communication of the electronic device, andthe first key together with data stored on the electronic device is intended for the communication of the electronic device;wherein the decrypted data comprises at least one of:
a software for the communication of the electronic device; andat least part of a second key for at least one of authenticating at least one of the electronic device and the user of the electronic device, encrypting the communication of the electronic device, and signing of messages of the electronic device.