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How to purchase SSL Certificate and its precautions

SSL certificate can establish an encrypted connection between browser and server, which can authenticate and encrypt information transmission. SSL certificates are the most important tool for protecting customer sensitive data and ensuring that your website is trustworthy. Now, millions of websites choose to buy SSL certificates to ensure the security and reliability of their websites. As a domestic authoritative and high-quality certificate authority (CA), Digital Times provides a series of reliable SSL certificates to protect your website. Today, we will teach you how to buy SSL certificates.

Matters needing attention in purchasing SSL certificates

You need to be very careful when purchasing a SSL certificate, as it is directly related to the security of the website. The following factors need to be considered when purchasing:

1. Clearly understand the three levels of certificate verification: domain name type (DV), enterprise type (OV) and enhanced type (EV), and make choices accordingly.

two。 According to your requirements, determine the type of SSL certificate you need to purchase, such as single domain name SSL certificate, wildcard SSL certificate or multi-domain name SSL certificate.

3. Choose the correct CA organization. The qualification, reputation and service ability of certification authorities are very important. High-quality CA institutions can provide quality products and services.

Second, how to choose and buy SSL certificates?

If you are a personal and small and medium-sized business site, it is recommended to purchase a DV SSL certificate to provide basic security encryption. If you are an e-commerce, small and medium-sized business site, it is recommended to buy OV SSL certificate, the encryption level is stronger. If you are a bank, finance, government platform, large and medium-sized enterprise site, it is recommended to buy the highest level of security EV SSL certificate, and will also display a green address bar with the company name.

For multiple websites or subdomains, multiple domain name SSL certificates and wildcard SSL certificates are recommended. Multi-domain name SSL certificate, which allows multiple fully qualified domain names (FQDN) to be protected on one certificate. The wildcard SSL certificate can protect any second-level subdomain under a primary domain name, saving a lot of time and money.

Digital era provides DV/OV/EV SSL certificate, as well as multi-domain SSL certificate and wildcard SSL certificate. Brands can choose GDCA, Symantec, GeoTrust, Globalsign and so on. There is always a website suitable for you!

Third, why buy SSL certificate from the era of Digital Amplification?

At present, there are only 3 CA institutions that have passed WebTrust international certification in China. GDCA, as one of them, has become the top certificate authority in China. Digital era has more than 20 core qualifications, such as electronic authentication service password license, and won more than 10 awards such as the Asian PKI Innovation Award. The SSL certificate provided by Digital'an Times occupies a high share in the market and has been unanimously favored by customers. Therefore, it is a very wise choice to buy SSL certificates from the digital amps era.

It is more advantageous to buy SSL certificates in the era of digital amps:

1. The root certificate of the digital amps era has been placed in the Windows, Mozilla Firefox and Google Chrome certificate stores and is trusted by 99.9% browsers and operating systems.

two。 Digital amps SSL certificate uses SHA-2 encryption, 148256-bit encryption, key length of 2048 bits, providing super-powerful encryption.

3. Round-the-clock customer service support, 7 × 24 hours timely response to customer needs.

4. The security guarantee of up to one million yuan is safe and carefree.

IV. The process of purchasing SSL certificates

Generally speaking, there are several important steps in purchasing a SSL certificate: fill in the information, generate the CSR file, verify the domain name, and download the SSL certificate. Let's focus on the following:

1. Fill in the application materials

Open the official website of GDCA, https://www.trustauth.cn/, register and enter the e-mall, select the SSL certificate you need to purchase, and fill in the relevant information. (customer service can also be asked to assist in placing an order)

2. Generate CSR file

After the payment is completed, the CSR file needs to be submitted. Download the CSR generation tool, such as the following figure, select "RSA-2048" for the length of the private key, and click "generate CSR".

After generation, paste the csr file into the following figure, and save the file with the suffix key (that is, the private key), which is needed when installing the SSL certificate.

3. Domain name verification

To verify the domain name after completing the previous step, you can select Email email verification, DNS verification and File file verification. You only need to select one of the following methods.

For example, Email email verification: after receiving the email, click Verify domain in the email, and then click Verify to prompt successful, indicating that the verification is successful. The operation of other verification methods is slightly more complicated. Please refer to the customer service guidelines for details.

4. Download the SSL certificate after approval

If you pass the examination, you will successfully apply for the SSL certificate. Go to the certificate download page and click "download certificate" to download and install SSL certificate.

Finally, digital times provides free installation and deployment services, and professional technicians install SSL certificates remotely from one to one, eliminating worries. After the installation is complete, you can use the SSL certificate to open https access.

Please click on the official website of GDCA to inquire about the details of SSL certificate, which insists on providing users with international, standardized and specialized electronic authentication services. Go and buy SSL certificate!

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