DigiCert High Assurance EV Root CA
DigiCert の root 証明書、中間証明書 - SSL サーバ証明書
【外部リンク】
https://www.digicert.com/ssl.htm
What Is SSL?
SSL (Secure Sockets Layer) is a standard security technology for establishing an encrypted link between a server and a client—typically a web server (website) and a browser, or a mail server and a mail client (e.g., Outlook).