Reference Service: Time-based Entitlement

Work with the SEES to see how to enable a time-based entitlement service using ExpressPlay.

The SEES receives an Entitlement Request (see Public API section) from the client. The SEES server looks up the CEK and IV based on the contentID, adds the expirationTime, and forwards the request to the ExpressPlay server. The final ExpressPlay token is time-bound. See the Time Based Entitlement sequence diagram below.

Table 1: License Parameters sent by client

Query Parameter Description Required
contentKey A 16 byte hexadecimal string representation of the content encryption key Yes
iv A 16 byte hexadecimal string representation of the content encryption IV Yes
rentalDuration Duration of the rental in seconds (default = 0) No

Table 2: Token Restriction Parameters added by SEES Server

Query Parameter Description Required?
expirationTime Expiration time of this token. This value must be a string in RFC 3339 date/time format in the 'Z' zone designator ("Zulu time"), or an integer preceded by a '+' sign. An example of an RFC 3339 date/time is 2006-04-14T12:01:10Z.

If the value is a string in RFC 3339 date/time format, then it represents an absolute expiration date/time for the token. If the value is an integer preceded by a '+' sign, then it is interpreted as a relative number of seconds from issuance that the token is valid. For example, +60 specifies one minute. The maximum (and default, if not specified) token lifetime is 30 days. Use the encoded form "%2B" when specifying the '+' sign.

No

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