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# AVContentKey

An object that represents the content key decryptor.

```
class AVContentKey
```

## Topics

### Accessing the specifier

[`contentKeySpecifier`](/documentation/AVFoundation/AVContentKey/contentKeySpecifier)

The content key’s unique identifier.

### Inspecting protection status

[`externalContentProtectionStatus`](/documentation/AVFoundation/AVContentKey/externalContentProtectionStatus)

The external protection status for the content key based on all attached displays.

[`revoke()`](/documentation/AVFoundation/AVContentKey/revoke())


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