Update to support OEMCrypto v16 with ODK

protos/public/external_license.proto

@@ -0,0 +1,81 @@
+////////////////////////////////////////////////////////////////////////////////
+// Copyright 2019 Google LLC.
+//
+// This software is licensed under the terms defined in the Widevine Master
+// License Agreement. For a copy of this agreement, please contact
+// widevine-licensing@google.com.
+////////////////////////////////////////////////////////////////////////////////
+//
+// Description:
+//   Definitions of the protocol buffer messages used in the Widevine license
+//   exchange protocol to support DRM systems native to a device other than
+//   Widevine.
+
+syntax = "proto2";
+
+package widevine;
+
+import "protos/public/client_identification.proto";
+import "protos/public/license_protocol.proto";
+
+option java_package = "com.google.video.widevine.externallicense";
+option java_multiple_files = true;
+
+
+enum ExternalLicenseType {
+  EXTERNAL_LICENSE_TYPE_UNDEFINED = 0;
+  PLAYREADY_LICENSE_NEW = 1;
+  PLAYREADY_LICENSE_RENEWAL = 2;
+  PLAYREADY_LICENSE_RELEASE = 3;
+}
+
+message EncryptedLicenseRequest {
+  // Provider ID for which the license request is encrypted (owner of
+  // service certificate).
+  optional string provider_id = 1;
+  // Serial number for the service certificate for which license_request is
+  // encrypted.
+  optional bytes service_certificate_serial_number = 2;
+  // Serialized license request message, encrypted with the privacy key
+  // using AES-128-CBC with PKCS#5 padding.
+  optional bytes encrypted_license_request = 3;
+  // Initialization vector needed to decrypt encrypted_license_request.
+  optional bytes encrypted_license_request_iv = 4;
+  // AES-128 privacy key, encrypted with the service public key using RSA-OAEP.
+  optional bytes encrypted_privacy_key = 5;
+}
+
+message ExternalLicenseRequest {
+  optional ExternalLicenseType request_type = 1;
+  // The license request.
+  oneof clear_or_encrypted_request {
+    // License request from the client.
+    bytes request = 2;
+    // Encrypted request from the client.
+    EncryptedLicenseRequest encrypted_request = 7;
+  }
+  oneof clear_or_encrypted_client_id {
+    // Information about the device.
+    ClientIdentification client_id = 3;
+    // Encrypted ClientIdentification message, used for privacy purposes.
+    EncryptedClientIdentification encrypted_client_id = 4;
+  }
+  // Information about the content, including the PSSH data.
+  optional LicenseRequest.ContentIdentification content_id = 5;
+  // Time of the request in seconds (UTC) as set by the client.
+  optional int64 request_time = 6;
+}
+
+message ExternalLicense {
+  optional ExternalLicenseType license_type = 1;
+  // The license representing the license type.
+  optional bytes license = 2;
+  // Widevine specific policy for renewals and expiry.
+  optional License.Policy policy = 3;
+  // Time of the request in seconds (UTC) as set in
+  // LicenseRequest.request_time.  If this time is not set in the request,
+  // the local time at the license service is used in this field.
+  optional int64 license_start_time = 4;
+  // List of key Identifiers associated with this license.
+  repeated bytes key_id = 5;
+}