x509 and open ssl

 中華憑證

https://publicca.hinet.net/download/SSL/Lighttpd_INSTALL.pdf

https://justry.io/%E5%A6%82%E4%BD%95%E5%9C%A8apache%E5%AE%89%E8%A3%9Dssl%E6%86%91%E8%AD%89/

SSL 憑證製作與匯入/ 中繼憑證/根憑證

https://ithelp.ithome.com.tw/m/articles/10282250

https://www.sslbuyer.com/index.php?option=com_content&view=article&id=183:what-is-certificate-chain&catid=25&Itemid=4031

x509

https://zh.wikipedia.org/zh-tw/X.509

https://www.researchgate.net/figure/X509-SSL-certificate-format-46_fig3_321580115

憑證學習

https://blog.dexiang.me/zh-tw/technologies/x509/

https://haway.30cm.gg/ssl-key-csr-crt-pem/

憑證名稱欄

https://stellvia7.pixnet.net/blog/post/117141052-%5B%E8%BD%89%E8%B2%BC%5D-%E6%86%91%E8%AD%89%E7%9A%84%E9%81%8B%E4%BD%9C%E6%96%B9%E5%BC%8F-%28x.509%29

工具

＃csr check https://www.sslshopper.com/csr-decoder.html

https://support.qacafe.com/knowledge-base/how-do-i-display-the-contents-of-a-ssl-certificate/

https://www.sslshopper.com/article-most-common-openssl-commands.html

https://knowledge.digicert.com/solution/SO29559.html