產生私鑰 長度2048 檔名ca.key
openssl genrsa -out ca.key 2048
產生配對的公鑰 檔名 ca.crt
openssl req -new -x509 -days 3650 -key ca.key -out ca.crt
Country Name (2 letter code) [AU]:TW //國碼臺灣是 TW
State or Province Name (full name) [Some-State]:Taiwan R.O.C //國名臺灣填 Taiwan
Locality Name (eg, city) []:Taipei //地名
Organization Name (eg, company) [Internet Widgits Pty Ltd]:FreeBSD Personal Reserach //組織單位名稱
Organizational Unit Name (eg, section) []:FreeBSD Personal Reserach //部門名稱
Common Name (eg, YOUR name) []:www.weithenn.org //憑證的名稱 (通常為伺服器 FQDN)
Email Address []:weithenn@weithenn.org //申請單位的聯絡信箱
Please enter the following 'extra' attributes
to be sent with your certificate request
A challenge password []: 按 Enter 直接跳過 //申請書的密碼
An optional company name []: 按 Enter 直接跳過 //憑證代辦公司的名稱