| 摘要 |
<p>A method, a device and a system for authentication. The method comprises: receiving a second authentication information sent by an application server when a first authentication process is successful; sending the second authentication information to the corresponding terminal through a telecommunication network; receiving an identifier and the second authentication verifying information sent by the terminal through the telecommunication network, where the said identifier is used for identifying the terminal; conducting a second authentication based on the identifier and the second authentication verifying information, or transferring the identifier and the second authentication verifying information to the application server, so that the application server to conduct a second authentication. The above embodiment conducts a second authentication through the identifier and the second authentication verifying information transferred by the telecommunication network, avoiding transferring the identifier and the second authentication verifying information through the data communication network channel, and improving the security of the second authentication, namely the third party authentication and the security of network service.</p> |
