openssl自签名证书

1.生成私钥

$ openssl genrsa -out blog.key 2048

2.生成 CSR (Certificate Signing Request)

$ openssl req 
    -subj "/C=CN/ST=Tianjin/L=Tianjin/O=Mocha/OU=Mocha Software/CN=test1.sslpoc.com/emailAddress=test@mochasoft.com.cn" 
    -new 
    -key blog.key 
    -out blog.csr

3.生成自签名证书

$ openssl x509 
    -req 
    -days 3650 
    -in blog.csr 
    -signkey blog.key 
    -out blog.crt
原文地址:https://www.cnblogs.com/carry00/p/13763396.html