The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 28, 2013
Filed:
Apr. 27, 2011
Wu Jiang, Beijing, CN;
Wu Jiang, Beijing, CN;
Chengdu Huawei Symantec Technologies Co., Ltd., Chengdu, CN;
Abstract
A network authentication method, a method for a client to request authentication, a client, and a device are provided. The method includes: receiving synchronize (SYN) data sent by a client, where the SYN data includes a sequence number SEQand a network parameter; sending synchronize acknowledge (SYN_ACK) data to the client in response to the SYN data, where the SYN_ACK data includes an acknowledgment number ACK, and the value of ACKis a value obtained by carrying out a function transformation according to the network parameter of the SYN data; receiving RESET (RST) data sent by the client in response to the SYN_ACK data, where the RST data includes a sequence number SEQor an acknowledgment number ACK, and the value of SEQor ACKis the same as that of ACK, and the RST data further includes a network parameter the same as that of the SYN data; carrying out the function transformation according to the network parameter of the RST data to obtain a check value CHK; and passing the authentication of the client if CHK matches SEQor ACK. Therefore, the occupation of storage resources is reduced.