1、创建私钥

 openssl genrsa  -out server.key 2048

2、 创建签名请求文件

 openssl req -new -key server.key -out server.csr

注意，需要输入域名(Common Name (e.g. server FQDN or YOUR name))：

Country Name (2 letter code) [AU]:cn
State or Province Name (full name) [Some-State]:gd
Locality Name (eg, city) []:sz
Organization Name (eg, company) [Internet Widgits Pty Ltd]:company
Organizational Unit Name (eg, section) []:section
Common Name (e.g. server FQDN or YOUR name) []:zlm.com
Email Address []:xiachu@qq.com

Please enter the following 'extra' attributes
to be sent with your certificate request
A challenge password []:
An optional company name []:zlm

3、自签名，生成公钥（10年有效期）

openssl x509 -req -days 3650 -in server.csr -signkey server.key -out server.crt

执行该命令会打印以下信息：

Signature ok
subject=/C=cn/ST=gd/L=sz/O=company/OU=section/CN=zlm.com/emailAddress=xiachu@qq.com
Getting Private key

4、合并公钥私钥

cat server.crt server.key > ./ssl.pem

5、加载证书

./MediaServer -s ./ssl.pem

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