| 摘要 |
<p>The invention relates to a method (20) for authenticating two entities, a first entity (34) sending to a second entity (32) a first message (36) comprising at least one authentication information item, as a first authentication information item, said first authentication information item depending on at least a first nonce value. According to the invention, said second entity sends (38) to said first entity a second message, as a response to said first message, said second message comprising a second nonce value to be used by said first entity to determine another authentication information item, as a second authentication information item. The invention relates also to a corresponding electronic device (12) for authenticating an external device (14) and a system (10) comprising one portable device (14) for authenticating a host device (12) and said host device cooperating with said portable device.</p> |
