proto/thumbnail_assertion.proto

// Copyright 2026 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

edition = "2024";

package credentio;

// See
// https://spec.c2pa.org/specifications/specifications/2.4/specs/C2PA_Specification.html#thumbnail_assertion
// for more details.
message ThumbnailAssertion {
  // The media type of the thumbnail file. Required.
  string media_type = 1;
  // The bits of the thumbnail file. Required.
  bytes data = 2;
  // An optional name of the thumbnail file.
  string file_name = 3;
}