发明名称 |
METHOD FOR CONSTRUCTING KEY GRAPH FOR MULTI-GROUP MULTI-CASTING SERVICE AND MANAGING KEY |
摘要 |
Provided is a method for constructing a key graph for multi-group multi-casting service and managing a key. The method includes: searching for a user group set (common group set) having the same access right to each resource combination comprising multiple resource selected from resources for a service and non-overlapping with other resource combinations by using an access right relations between user groups and the resource; and constructing a key graph by interconnecting a user group key and a resource key using the access right relation, where user groups pertaining to the searched common group set are connected to corresponding resources via intermediate nodes.
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申请公布号 |
US2009125545(A1) |
申请公布日期 |
2009.05.14 |
申请号 |
US20080167392 |
申请日期 |
2008.07.03 |
申请人 |
KOO HAN-SEUNG;SONG YUN-JEONG;LEE SOO-IN |
发明人 |
KOO HAN-SEUNG;SONG YUN-JEONG;LEE SOO-IN |
分类号 |
G06F7/00;G06F17/30 |
主分类号 |
G06F7/00 |
代理机构 |
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地址 |
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