////////////////////////////////////////////////////////////////////////////////
// Copyright 2017 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:
//   Remote attestation is used by ChromeOS device to authenticate itself
//   to Widevine services for both licensing and keybox provisioning.

syntax = "proto2";

package widevine;

import "protos/public/client_identification.proto";

option java_package = "com.google.video.widevine.protos";

message RemoteAttestation {
  // Encrypted ClientIdentification message containing the device remote
  // attestation certificate. Required.
  optional EncryptedClientIdentification certificate = 1;
  // Bytes of salt which were added to the remote attestation challenge prior to
  // signing it. Required.
  optional bytes salt = 2;
  // Signed remote attestation challenge + salt. Required.
  optional bytes signature = 3;
}