What are the classifications of SSL certificates? How to choose the appropriate SSL certificate?

To protect website data and user information , Many enterprises begin to install SSL certificate , Effectively improve the security of the website . that SSL What are the classifications of certificates ？ How to choose the right one SSL certificate ？

One 、SSL What are the classifications of certificates ？

1. According to the encryption level , Can be divided into DV、OV and EV certificate Three .

DV Certificate is the most basic certificate type , It can play the function of encrypted transmission , But it can't prove the authenticity of the website .

OV The certificate verifies the identity of the applicant , It can achieve the double effects of encrypted transmission and authentication .

EV Certificate is OV Enhanced version of certificate , and OV Certificates work the same . The main difference is installation EV Certificate website , In addition to displaying the small lock sign , Some browsers also display green company names and URL.

2. According to the number of supported domain names , It can be divided into single domain names 、 Multi domain name and wildcard certificate .

Single domain name certificate , Only one domain name is supported .

Multi domain certificate , Support multiple domain names , It includes multiple primary domain names and multiple subdomains under a primary domain name .

Wildcard Certificate , Only multiple subdomains under a primary domain name are supported .

3. By brand , Can be divided into domestic CFCA And abroad digicert、GlobalSign Brands such as .

Two 、 How to choose the right one SSL certificate ？

1. Certificate level

If it is a personal website or a small and medium-sized enterprise ,DV certificate To meet the needs ;

If it is a large and medium-sized enterprise , Want to get a higher level of security , Suggested choice OV certificate ;

If it is e-commerce 、 The media 、 Finance 、 Government official website and other industries that are extremely sensitive to data requirements , It is recommended to use the enhanced version EV certificate .

2. Support the number of domain names

If there is only one website , A single domain name certificate is enough ;

If you have multiple primary domain names , It is recommended to purchase multi domain name certificate ;

If the company has multiple businesses , Use multiple subdomains under the same primary domain name , Installing wildcard certificates is more affordable .

3. Certificate brand

No matter what kind of certificate at home and abroad , Can meet users' requirements for data encryption , Different brands may have different encryption algorithms , Among them, domestic CFCA Adopt national secrets SM2, Encryption technology is higher , At present, many domestic financial 、 Adopted by the government website , It can better meet the security needs of domestic government and enterprise websites .

3、 ... and 、 How to choose the right certificate platform ？

1. See service

SSL certificate From issuance to installation , It is a professional and tedious process , Therefore, the certificate proxy platform is required to respond to the problems encountered in a timely manner , But many platforms just sign , After that, no other technical support will be provided , It will cause great inconvenience for users to install and use certificates . So choose a certificate platform , First of all, it depends on the type of services it provides and the timeliness of services . Provided by China and Kuwait 7*24 One hour one-on-one service , Issued from 、 It provides users with timely and professional services from installation to use SSL Certificate technical support .

2. Look at the product

Different industries and companies have different requirements for certificate types , Even the same company has different requirements for certificates in different periods and scenarios , Therefore, choosing a certificate platform depends on whether the brands and types of certificates it can provide can meet the needs of the website . Many small platforms , Often only a small number of certificate brands and types can be provided , This makes the selection of certificates very limited . The three parties of China and Kuwait and the top enterprises at home and abroad CA Institutional Cooperation , Provide multi brand and multi type SSL certificate , It can meet the business needs of different enterprises in different scenarios .