Can I generate an SSL certificate myself? Introduction to the process of applying for an SSL certificate by myself
DomainCn
Nowadays, in order to protect user data, most companies have installed standardized SSL certificates on their websites. To obtain a certificate, website operators need to contact a certification body. These organizations have the right to issue SSL certificates, but usually charge for their services. Therefore, many companies choose to generate SSL certificates themselves due to cost reasons.
1. Can I generate an SSL certificate myself?
You can generate an SSL certificate yourself. You can create an SSL certificate yourself through tools such as OpenSSL's Keytool, Adobe Reader, and Apple's keychain. Although there are still many users using self-generated SSL certificates, it is not recommended from a security perspective.
2. What is the process for individuals to apply for SSL certificates?
① Create a root certificate key file (do it yourself CA) root.key; create a root certificate application file root.csr; create a root certificate root.crt that is valid for ten years from the current date.
② Create a server certificate key server.key; create a server certificate application file server.csr; create a server certificate server.crt that is valid for two years from the current date.
③Create a client certificate key file client.key; create a client certificate application file client.csr; create a client certificate client.crt that is valid for two years from the current date.
④Merge the client certificate file client.crt and the client certificate key file client.key into a client certificate installation package client.pfx; save the generated files for future use, where server.crt and server.key are the certificate files required for configuring one-way SSL, client.crt is the certificate file required for configuring two-way SSL, and client.pfx is the certificate file that needs to be installed on the client when configuring two-way SSL.
.crt files and .key can be combined into one file, and the two files can be combined into a .pem file, which can be directly copied.
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