Manage system for personnel authorizationcertificate, stamp and signature;
管理人员授权证书，印章和签署；
2
The third part is the case annex that includes appendix, reference documents and authorizationcertificate for case use.
第三部分为案例附件，包括了附录，参考文献和案例使用授权书。
3
SPKI is a sort of distributed authorization mechanism, which combines authorizationcertificate and name certificate to realize identity validation and authorization management.