// Copyright 2026 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

syntax = "proto2";

option java_multiple_files = true;
option java_package = "org.chromium.components.sync.protocol";

option optimize_for = LITE_RUNTIME;

package sync_pb;

import "components/sync/protocol/nigori_specifics.proto";

message AgileSymmetricKey {
  message Aes256GcmKey {
    optional bytes key = 1;
  }

  message Chacha20Poly1305Key {
    optional bytes key = 1;
  }

  oneof key_type {
    NigoriKey legacy_nigori = 1;
    Aes256GcmKey aes_256_gcm = 2;
    Chacha20Poly1305Key chacha20_poly1305 = 3;
  }
}

message AgileSymmetricKeySet {
  message Key {
    optional AgileSymmetricKey key_data = 1;
    optional uint32 key_id = 2;
  }

  optional uint32 primary_key_id = 1;
  repeated Key key = 2;
}