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经营范围
发明名称
Revoking Direct Anonymous Attestation credentials by updating group public/private key pair and only updating valid credentials
摘要
申请公布号
GB2457671(A)
申请公布日期
2009.08.26
申请号
GB20080003053
申请日期
2008.02.20
申请人
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
发明人
LIQUN CHEN
分类号
H04L9/32
主分类号
H04L9/32
代理机构
代理人
主权项
地址
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