// Copyright 2017 Google LLC. All rights reserved.
//
// Description:
//   Remote attestation is used by ChromeOS device to authenticate itself
//   to Widevine services for both licensing and keybox provisioning.

syntax = "proto2";

package video_widevine;

import "chromium_deps/cdm/protos/defs/client_identification.proto";

option optimize_for = LITE_RUNTIME;

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;
}