1// Copyright 2020 Google LLC
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     https://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15syntax = "proto2";
16
17package securegcm;
18
19option optimize_for = LITE_RUNTIME;
20option java_package = "com.google.security.cryptauth.lib.securegcm";
21option java_outer_classname = "SecureGcmPasswordlessAuthProto";
22option objc_class_prefix = "SGCM";
23
24message IdentityAssertion {
25  // Browser data contains the challenge, origin, etc.
26  optional bytes browser_data_hash = 1;
27
28  // A counter that we expect to increase.
29  optional int64 counter = 2;
30
31  // An integer encoding whether the user actively approved this assertion,
32  // or whether the phone auto-issued the assertion.
33  // Possible values are:
34  // 1: User explicitly approved the login.
35  // 0: Phone approved login without consulting the user.
36  optional int32 user_approval = 3;
37}
38