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.