实践中往往是自己作为CA角色，进行签名。本文采用openssl软件进行密钥及证书的生成操作。
一、CA证书生成
1.创建私钥 ：
openssl genrsa -out ca/ca-key.pem 1024
2.创建证书请求 ：
openssl req -new -out ca/ca-req.csr -key ca/ca-key.pem
交互内容：
Country Name (2 letter code) [AU]:cn
State or Province Name (full name) [Some-State]:zhejiang
Locality Name (eg, city) []:hangzhou
Organization Name (eg, company) [Internet Widgits Pty Ltd]:skyvision
Organizational Unit Name (eg, section) []:test
Common Name (eg, YOUR name) []:root
Email Address []:sky
3.生成自签署证书 ：
openssl x509 -req -in ca/ca-req.csr -out ca/ca-cert.pem -signkey ca/ca-key.pem -days 3650 openssl x509 -req -in ca/ca-req.csr -out ca/ca-cert.pem -signkey ca/ca-key.pem -days 3650
4.将证书导出成浏览器支持的.p12格式:
openssl pkcs12 -export -clcerts -in ca/ca-cert.pem -inkey ca/ca-key.pem -out ca/ca.p12
密码：changeit
二.生成server证书。
1.创建私钥 ：
openssl genrsa -out server/server-key.pem 1024
2.创建证书请求 ：
openssl req -new -out server/server-req.csr -key server/server-key.pem
交互内容：
Country Name (2 letter code) [AU]:cn
State or Province Name (full name) [Some-State]:zhejiang
Locality Name (eg, city) []:hangzhou
Organization Name (eg, company) [Internet Widgits Pty Ltd]:skyvision
Organizational Unit Name (eg, section) []:test
Common Name (eg, YOUR name) []:192.168.1.246 注释：一定要写服务器所在的ip地址
Email Address []:sky
3.自签署证书 ：
openssl x509 -req -in server/server-req.csr -out server/server-cert.pem -signkey server/server-key.pem -CA ca/ca-cert.pem -CAkey ca/ca-key.pem -CAcreateserial -days 3650
4.将证书导出成浏览器支持的.p12格式 ：
openssl pkcs12 -export -clcerts -in server/server-cert.pem -inkey server/server-key.pem -out server/server.p12
密码：changeit
三、生成client证书。
1.创建私钥 ：
openssl genrsa -out client/client-key.pem 1024
2.创建证书请求 ：
openssl req -new -out client/client-req.csr -key client/client-key.pem
Country Name (2 letter code) [AU]:cn
State or Province Name (full name) [Some-State]:zhejiang
Locality Name (eg, city) []:hangzhou
Organization Name (eg, company) [Internet Widgits Pty Ltd]:skyvision
Organizational Unit Name (eg, section) []:test
Common Name (eg, YOUR name) []:sky
Email Address []:sky 注释：就是登入中心的用户（本来用户名应该是Common Name，但是中山公安的不知道为什么使用的Email Address，其他版本没有测试）
Please enter the following ‘extra’ attributes
to be sent with your certificate request
A challenge password []:123456
An optional company name []:tsing
3.自签署证书 ：
openssl x509 -req -in client/client-req.csr -out client/client-cert.pem -signkey client/client-key.pem -CA ca/ca-cert.pem -CAkey ca/ca-key.pem -CAcreateserial -days 3650
4.将证书导出成浏览器支持的.p12格式 ：
openssl pkcs12 -export -clcerts -in client/client-cert.pem -inkey client/client-key.pem -out client/client.p12
密码：changeit