20095
2
3
5
6
7
8
9
Simple Electronic Signatures (SES) Advanced Electronic Signature (AdES) Qualified Electronic Signature (QES) 10
11
12
13
14
15
16
17
18
USBKey 19
20
21
1 2SOA 22
23
24
25
26
27
28
linxueyan@bjca.org.cn 010-82031677-8199