# HLS output with Verimatrix
<a name="drm-hls-verimatrix"></a>

Encryption mode: Always AES CTR (AES-128)

Supported client players: Consult with the key provider (DRM implementer) for supported players.


| Description | DRM technology provider | Key provider (DRM implementer) | Version of server API from DRM implementer | Client player | Encryption mode | Key rotation | 
| --- | --- | --- | --- | --- | --- | --- | 
| The customer uses the Verimatrix VCAS DRM solution for protecting HLS output. This solution uses the Verimatrix-proprietary DRM technology. The end user plays the content on a Verimatrix-approved player. |  Verimatrix Content Authority System (VCAS)  | Verimatrix | VCAS for Internet TV 4.2 Integration Guide | Verimatrix-approved player |  AES CBC (AES-128)  | Static, Rotating |