For SSL certificate to be recognized by browsers as trusted it has to be issued by Certificate Authority (CA). CAs are the companies that have right to issue digital certificates. Certificate Authority not only generates certificates, it also verifies identity and legitimacy of company or individual that request certificates. Only if the verification is successful, CA signs a certificate.
為什麼從證書驗證機構購買 SSL 證書？
- SSL 網站安全證書
- 更新 2019年2月13日