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What does financial ca mean?
The certificate binds the public key data and the identity information of the corresponding private key owner, and has the digital signature of CA. The certificate also contains the name of the CA (LOIS CA in the figure) so that the relying party can find the public key of the CA and verify the digital signature on the certificate.
A digital certificate is actually a record stored in a computer, and it is a statement issued by a CA, which proves the unique correspondence between the certificate subject (the certificate applicant becomes the certificate subject after owning the certificate) and the public key contained in the certificate. The certificate includes the name and relevant information of the certificate applicant, the applicant's public key, the digital signature of the CA that issued the certificate and the validity period of the certificate. The function of digital certificate is to make the two parties in online transactions verify each other's identities and ensure the security of e-commerce.
CA can be divided into the following categories:
1, industrial CA
Financial CA system, telecom CA system, postal CA system, foreign trade CA,
China Customs CA, China Bank CA, China Industrial and Commercial Bank CA, China Construction.
Bank CA, China Merchants Bank CA, State Planning Commission E-government CA, Nanhai Nature
Human CA(NPCA)
2. regional CA
Cooperation card authentication system (Shanghai CA, Beijing CA, Tianjin CA)
Internet access systems (Guangdong CA, Hainan CA, Hubei CA, Chongqing CA)
3. Independent CA certification center
–Shanxi CA, Jilin CA, Western Ningxia CA, Shaanxi CA, Fujian CA and Black Dragon.
Jiang postal CA, Heilongjiang government CA, Shandong CA, Shenzhen CA, Jilin provincial government
Government CA, Fujian Quanzhou Commercial Bank Online Banking CA, Tianwei Chengxin CA
References:
CA- Baidu encyclopedia
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