1 /* 2 * Copyright 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef GATEKEEPER_PASSWORD_HANDLE_H_ 18 #define GATEKEEPER_PASSWORD_HANDLE_H_ 19 20 #define HANDLE_FLAG_THROTTLE_SECURE 1 21 22 #define HANDLE_VERSION_THROTTLE 2 23 24 namespace gatekeeper { 25 26 typedef uint64_t secure_id_t; 27 typedef uint64_t salt_t; 28 /** 29 * structure for easy serialization 30 * and deserialization of password handles. 31 */ 32 static const uint8_t HANDLE_VERSION = 2; 33 struct __attribute__ ((__packed__)) password_handle_t { 34 // fields included in signature 35 uint8_t version; 36 secure_id_t user_id; 37 uint64_t flags; 38 39 // fields not included in signature 40 salt_t salt; 41 uint8_t signature[32]; 42 43 bool hardware_backed; 44 }; 45 } 46 47 #endif // GATEKEEPER_PASSWORD_HANDLE_H_ 48
