Optional ReadonlyivThe initialization vector for decryption as a hexadecimal string (IV).
Optional ReadonlykeyThe format of the key in the response (KEYFORMAT). Identifies the DRM system, e.g. FairPlay.
Optional ReadonlykeyA slash-separated list of integers indicating compatible key format versions (KEYFORMATVERSIONS).
ReadonlymethodThe encryption method applied to media segments (METHOD).
Optional ReadonlyuriThe URI for obtaining the decryption key (URI). Required unless method is NONE.
Encryption key metadata for an HLS media segment (EXT-X-KEY).
Specifies how media segments are encrypted and provides the information needed to decrypt them.
See
https://datatracker.ietf.org/doc/html/rfc8216#section-4.3.2.4