The depender graph trust model has good redundancy, and weakening the security of single CA will have not effect on the whole trust architecture seriously.
依赖图信任模型具有很好的冗余性，单个CA安全性的削弱对整个信任体系不会造成很大影响。
The depender graph trust model has good redundancy, and weakening the security of single CA will have not effect on the whole trust architecture seriously.
依赖图信任模型具有很好的冗余性，单个CA安全性的削弱对整个信任体系不会造成很大影响。
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