| Name | Description | |
|---|---|---|
 | CopyFrom | Overridden. Initializes the extension from ASN.1 encoded data. |
| Format | Overridden. Returns a formatted version of the Authority Key Identifier as a string. |
| GetKeyIdentifier | The identifier for the key as a byte array. |
| GetSerialNumber | The serial number of the authority key as a byte array in little endian order. |