1 /* 2 * Copyright 2018 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 ANDROID_HARDWARE_KEYMASTER_BUFFER_H 18 #define ANDROID_HARDWARE_KEYMASTER_BUFFER_H 19 20 #include <android/hardware/keymaster/4.0/IKeymasterDevice.h> 21 22 #include <Keymaster.client.h> 23 24 using ::nugget::app::keymaster::BeginOperationResponse; 25 26 namespace android { 27 namespace hardware { 28 namespace keymaster { 29 30 // HAL 31 using ::android::hardware::keymaster::V4_0::Algorithm; 32 using ::android::hardware::keymaster::V4_0::ErrorCode; 33 34 size_t buffer_remaining(uint64_t handle); 35 ErrorCode buffer_begin(uint64_t handle, Algorithm algorithm); 36 ErrorCode buffer_append(uint64_t handle, 37 const hidl_vec<uint8_t>& input, 38 uint32_t *consumed); 39 ErrorCode buffer_peek(uint64_t handle, 40 hidl_vec<uint8_t> *data); 41 ErrorCode buffer_advance(uint64_t handle, size_t count); 42 ErrorCode buffer_final(uint64_t handle, 43 hidl_vec<uint8_t> *data); 44 ErrorCode buffer_algorithm(uint64_t handle, 45 Algorithm *algorithm); 46 47 } // namespace keymaster 48 } // hardware 49 } // android 50 51 #endif // ANDROID_HARDWARE_KEYMASTER_IMPORT_KEY_H 52