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