| 摘要 |
<p>A method of distributing through a communications network enciphering keys for a secure communications session via said network between first and second terminals (2a, 2b) corresponding first and second terminal keys (Ka, Kb) comprising: storing said first and second terminal keys (Ka, Kb) remotely to said terminals (2a, 2b); providing a number (RAND); generating first and second corresponding partial keys (Kpa, Kpb) each comprising a corresponding function of said number (RAND) and a corresponding one of said terminal keys (Ka, Kb); and dispatching the first partial key (Kpa) towards the second terminal (2b), and vice versa.</p> |
