| 摘要 |
<p>The invention concerns a method for authentication between a portable object (10) provided with an identifier (MSISDN) and a public access terminal (20) comprising: allocating to said portable object (10) a key (Kme); installing an authenticating server (30) capable of determining the key from said identifier (MSISDN); transmitting the identifier (MSISDN) to the authenticating server (30); determination by the server (30) of the key (Kme); allocation by the server (30) to a computing unit (30) the key (Kme); calculation by the computing unit (30) of a session key (Ksession) form said key (Kme); allocating the key (Ksession) to the public access terminal (20); transmission by the terminal (20) to the portable object (10) of a first signed message using the key (Ksession); acquisition from the key (Ksession) by the portable object (10) and authentication of the terminal (20) by the portable object (10); transmission by the portable object (10) to the terminal (20) of a second message, signed with the key (Ksession); and authentication of the portable object (10) by the terminal.</p> |
