ClearKey Server

ClearKey server that can be used to test DRM functionality in a SYE installation.

Requests are passed to the server using HTTP POST. Requests and responses are JSON objects.

The server support rotation of the encryption keys. Default key period is 60 seconds.

Install

npm install

Start server

Start the ClearKey server on port 8000

node index.js

API

There are two public APIs in the server: get_content_key() and get_license().

Get Content Key

This API is typically used by the SYE Ingress in order to get encryption keys for a channel.

Request

{
    "contentId": "svt1"
}

Response

{
    "contentId": "svt1",
    "ttlSeconds": 44,
    "kid": "NGEyZTY2MmYzNTQ3YTNhZQ==",
    "key": "OTExY2I4NTFjODk3ZDg1NA==",
    "drm": [{
        "systemID": "1077efec-c0b2-4d02-ace3-3c1e52e2fb4b",
        "pssh": "AAAAVHBzc2gBAAAAEHfv7MCyTQKs4zweUuL7SwAAAAM4NjJlYTgxYmMxOTczYjhlNGEyZTY2MmYzNTQ3YTNhZTE1YjJlZTMzMjMyYzU3YWYAAAAA"
    }]
}

cURL example

curl -i -d '{"contentId": "svt1"}' -H "Content-Type: application/json" http://localhost:8000/get_content_key

Get License

This API is typically used by a CDM within a client application and follow w3.org example: https://www.w3.org/TR/encrypted-media/

Request

{
    "kids": [
        "NTdhNzlhZmM0NmEyMzcxMA==",
        "MjEwNzhiN2EwNjYxZTE4Yg=="
    ]
}

Response

{
    "keys": [{
        "kid": "NTdhNzlhZmM0NmEyMzcxMA==",
        "k": "ZDBlMzE3OWFhN2QyMTg5Yg==",
        "kty": "oct"
    }, {
        "kid": "MjEwNzhiN2EwNjYxZTE4Yg==",
        "k": "M2VhNDc3M2Q3M2IxY2NiYg==",
        "kty": "oct"
    }]
}

cURL example

curl -i -d '{"kids": ["NTdhNzlhZmM0NmEyMzcxMA==", "MjEwNzhiN2EwNjYxZTE4Yg=="]}' -H "Content-Type: application/json" http://localhost:8000/get_license