PlayReadyEncryptionAlgorithm Enum
Definition
Important
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Indicates the type of encryption algorithm specified in a PlayReady content header.
public enum class PlayReadyEncryptionAlgorithm/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
enum class PlayReadyEncryptionAlgorithm[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
public enum PlayReadyEncryptionAlgorithmvar value = Windows.Media.Protection.PlayReady.PlayReadyEncryptionAlgorithm.unprotectedPublic Enum PlayReadyEncryptionAlgorithm- Inheritance
-
PlayReadyEncryptionAlgorithm
- Attributes
Windows requirements
| Device family |
Windows 10 (introduced in 10.0.10240.0)
|
| API contract |
Windows.Foundation.UniversalApiContract (introduced in v1.0)
|
Fields
| Name | Value | Description |
|---|---|---|
| Unprotected | 0 | Content is not encrypted. |
| Aes128Ctr | 1 | AES-128 Counter-mode encryption. |
| Cocktail | 4 | Cocktail encryption. |
| Aes128Cbc | 5 | AES128CBC encryption. |
| Unspecified | 65535 | The encryption method is unspecified. |
| Uninitialized | 2147483647 | The encryption method has not been set. |
Remarks
Starting with Windows 10, version 1709, this enumeration supports the values Aes128Cbc and Unspecified. On previous versions of Windows 10, some PlayReady APIs will thrown an exception if these values are used. For this reason, you should check for the presence of the enumeration value by calling ApiInformationIsApiContractPresent and specifying major contract version 5 before using the new enum values. For more information, see PlayReadyContentHeader and PlayReadyStatics.CheckSupportedHardware.
Version history
| Windows version | SDK version | Value added |
|---|---|---|
| 1709 | 16299 | Aes128Cbc |
| 1709 | 16299 | Unspecified |