CGA PUBLIC KEY IDENTIFICATION, CGA PUBLIC KEY DETERMINATION METHOD, SYSTEM AND DEVICE,申请号WO2009CN71335-传众专利搜索

CGA PUBLIC KEY IDENTIFICATION, CGA PUBLIC KEY DETERMINATION METHOD, SYSTEM AND DEVICE

申请公布号：WO2010054542(A1)

申请号：WO2009CN71335

申请日期：2009.04.17

申请公布日期：2010.05.20

申请人：

HUAWEI TECHNOLOGIES CO., LTD.;SHEN, SHUO;JIANG, SHENG

发明人：SHEN, SHUO;JIANG, SHENG

分类号：H04L29/06

主分类号：H04L29/06

摘要：<p>A CGA public key identification, CGA public key determination method, system and device are provided. Wherein, the CGA public key identification method comprises: the receiving node receives the first message protected by the public key sent from the sending node; the type of the public key is obtained according to the first message. The CGA public key determination method comprises: the receiving node receives the first message protected by the public key sent from the sending node, and obtains the type of the public key to be determined according to the first message, and then judges if the public key to be determined is the public key supported by itself according to the type of the public key to be determined, if the judgment result is yes, determines the public key to be determined is the public key supported by itself. The invention resolves the problems of the public key identification and the public key determination in the CGA signature authentication process supporting the multiple public keys.</p>