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2.2.2.3 DRM Version 1 License Format

A Digital Rights Management (DRM) version 1 license response is a base64-encoded CERTIFIED_LICENSE structure.

The CERTIFIED_LICENSE structure consists of two certificates and a license. The first certificate represents the Microsoft signing certificate. The second certificate represents the signing certificate of the server issuing the content license.

The Digital Rights Management version 1 license format contains the following top-level structures.

Structure

Description

CERT

Defines the certificate component of a DRM version 1 certified license.

CERTDATA

Defines the data block of a certificate, including the public key, serial number, and certificate issuer.

CERTIFIED_LICENSE

Defines a version 1 certified license before it is encoded with base64 encoding.

LICENSE

Defines the license portion of a version 1 certified license.

LICENSEDATA

Defines the data portion of a version 1 license, including the rights and security settings.