webRequest.CertificateInfo

An object describing a single X.509 certificate.

The SecurityInfo object returned from the the webRequest.getSecurityInfo() API includes a certificates property which is an array of these objects.

Type

Values of this type are objects. They contain the following properties:

fingerprint

Object. An object with the following properties:

sha1
String. SHA-1 hash of the certificate's DER encoding.
sha256
String. SHA-256 hash of the certificate's DER encoding.
isBuiltInRoot

Boolean. true if the certificate is one of the trust roots installed in the browser, false otherwise.

issuer
String. Name of the organization that issued this certificate, represented as a Distinguished Name and formatted as a comma-separated list of Relative Distinguished Names, each of the form "type=value".
For example: "CN=DigiCert SHA2 Secure Server CA,O=DigiCert Inc,C=US".
rawDER
Array of Number. If webRequest.getSecurityInfo() was called with the rawDER option present and set to true, this will contain the DER encoding of the certificate.
serialNumber
String. The certificate's serial number.
subject
String. Name of the organization that issued this certificate, represented as a Distinguished Name and formatted as a comma-separated list of Relative Distinguished Names, each of the form "type=value".
For example: "CN=*.cdn.mozilla.net,O=Mozilla Corporation,L=Mountain View,ST=California,C=US".
subjectPublicKeyInfoDigest

Object. An object containing the following properties:

sha256
String. Base64 encoded SHA-256 hash of the DER-encoded public key info.
validity

Object. Validity period for the certificate. An object containing the following properties:

start
Number. The start of the certificate's validity period, in milliseconds since the epoch.
end
Number. The end of the certificate's validity period, in milliseconds since the epoch.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxOperaFirefox for Android
Basic supportChrome No support NoEdge No support NoFirefox Full support 62Opera No support NoFirefox Android Full support 62

Legend

Full support  
Full support
No support  
No support

Document Tags and Contributors

Contributors to this page: wbamberg
Last updated by: wbamberg,