| 摘要 |
According to an embodiment of the present invention, provided is a method for authenticating network access of a dynamic host configuration protocol (DHCP) client. The method of the present invention comprises the following steps: storing an encryption key which is the same as an encryption key stored in a DHCP server, and used for encoding/decoding an additional authentication key; generating a first additional authentication key, and encoding the first additional authentication key by using the encryption key to transmit the encoded first additional authentication key to the DHCP server; generating a second additional authentication key by changing the first additional authentication key according to a predetermined change rule, and encoding the second additional authentication key by using the encryption key to transmit the encoded second additional authentication key to the DHCP server; and receiving an authentication result according to the changed additional authentication key. |
