| 摘要 |
<p>The invention concerns a method and a system for authenticating, in a data transmission network, a transaction performed from an IP-run application upon transmission of a message (M) between a transmission equipment (1) and a reception equipment (2), wherein the transmission equipment is designed to access the network via an access supplier. The invention uses an authentication entity (5) interposed in the network between the transmission equipment and the reception equipment, designed to receive from the transmission equipment data related to the transaction, retransmit said data to the access supplier, generate a time stamping (C) of the beginning and the end of the transaction, generate a signature (SA) comprising a unique serial number encrypted and unencrypted related to the transaction and save the data concerning the transaction, the time stamping and the signature, the transaction being indexed with the unique serial number.</p> |
