The data of the extra field.
OptionaloriginalThe compression method stored in the AES extra field.
OptionalstrengthThe encryption strength (1, 2 or 3).
The type (header id) of the extra field.
OptionalvendorThe vendor identifier.
OptionalvendorThe vendor version (1 for AE-1, 2 for AE-2). Entries in AE-1 format store the CRC-32 checksum of the content, entries in AE-2 format store a zeroed value.
Represents the AES extra field record of an entry.