ssl - 绿色 block 对 SSL 证书意味着什么？ ( Chrome )

Question

为什么我在 SSL 锁定标志前看到一个带有 Twitter Inc 的绿色方 block ，但对于 Facebook 来说只是一个简单的锁定标志？

这些证书有什么区别？还是有其他原因？

Answer 1

绿色条称为扩展验证:

https://en.wikipedia.org/wiki/Extended_Validation_Certificate

An Extended Validation Certificate (EV) is an X.509 public key certificate issued according to a specific set of identity verification criteria. These criteria require extensive verification of the requesting entity's identity by the certificate authority (CA) before a certificate is issued.

这只是一个“更酷”的证书:)

Certificates issued by a CA under the EV guidelines contain a subject with x509 OIDs for jurisdictionOfIncorporationCountryName, businessCategory, and serialNumber, with the serialNumber pointing to the ID at the relevant Secretary of State (US) or national business registrar (outside US), as well as a CA-specific policy identifier so that EV-aware software, such as a web browser, can recognize them.

主要区别:

EV certificates use the same encryption as other types of SSL certificates: the difference is in the validation process as indicated by the policy identifier in the certificate.