自簽章憑證和不是 CA 簽章的憑證可能未包含所有需要的資料。此外，加密位元可能不足。
業界標準定義了憑證授權單位 (CA) 必須在要保護安全的這些憑證的公開信任 TLS 憑證中，加入的欄位和值。這些欄位和值協助 CA 阻止現有和將來對線上安全的威脅。
DigiCert is the world's leading provider of scalable TLS/SSL, IoT and PKI solutions for identity and encryption. The most innovative companies, including 89% of the Fortune 500 and 97 of the 100 top global banks, choose DigiCert for its expertise in identity and encryption for web servers and Internet of Things devices. DigiCert supports TLS and other digital certificates for PKI deployments at any scale through its certificate lifecycle management solution, CertCentral®. The company is recognized for its enterprise-grade certificate management platform, fast and knowledgeable customer support, and market-leading security solutions. For the latest DigiCert news and updates, visit digicert.com or follow @digicert.
©2020 DigiCert, Inc. All rights reserved. DigiCert, its logo and CertCentral are registered trademarks of DigiCert, Inc. Norton and the Checkmark Logo are trademarks of NortonLifeLock Inc. used under license. Other names may be trademarks of their respective owners.