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发明名称
Multi-step digital signature method and system
摘要
申请公布号
IL118363(A)
申请公布日期
2000.02.17
申请号
IL19960118363
申请日期
1996.05.22
申请人
CERTCO LLC
发明人
分类号
G09C1/00;G06F7/72;G06Q20/00;H04L9/08;H04L9/32;(IPC1-7):H04L9/32
主分类号
G09C1/00
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