Key distribution method and system

专利名称：Key distribution method and system发明人：Jingwang Ma,Qian Jia,Wantao Yu申请号：US13125872申请日：20090812公开号：US08781131B2公开日：20140715

专利附图：

摘要：The present invention discloses a key distribution method and system, and themethod includes: a card issuer management platform generating initial keys of asupplementary security domain corresponding to an application provider, importing theinitial keys and a Trust Point's public key for external authentication to the

supplementary security domain, and sending the information of the supplementarysecurity domain and the initial keys to the application provider management platform ();the application provider management platform receiving the information of thesupplementary security domain and the initial keys, and selecting the supplementarysecurity domain of the smart card by a service terminal according to the information ofthe supplementary security domain and the initial keys (); the application providermanagement platform generating a public key and a private key of the supplementarysecurity domain as well as a certificate of the supplementary security domain, andencrypting the public key and the private key as well as the certificate of the

supplementary security domain and then sending them to the supplementary securitydomain (). Through the above processing, the security of the key distribution for thesupplementary security domain can be improved.

申请人：Jingwang Ma,Qian Jia,Wantao Yu

地址：Shenzhen CN,Shenzhen CN,Shenzhen CN

国籍：CN,CN,CN

代理机构：Scully, Scott, Murphy & Presser, P.C.

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