| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef HARDWARE_INTERFACES_KEYMASTER_40_SUPPORT_KEYMASTER_UTILS_H_ |
| #define HARDWARE_INTERFACES_KEYMASTER_40_SUPPORT_KEYMASTER_UTILS_H_ |
| |
| #include <android/hardware/keymaster/4.0/types.h> |
| |
| namespace android { |
| namespace hardware { |
| namespace keymaster { |
| namespace V4_0 { |
| |
| /** |
| * Define a lexicographical ordering on HmacSharingParameters. The parameters to |
| * IKeymasterDevice::computeSharedHmac are required to be delivered in the order specified by this |
| * comparison operator. |
| */ |
| bool operator<(const HmacSharingParameters& a, const HmacSharingParameters& b); |
| |
| namespace support { |
| |
| inline static hidl_vec<uint8_t> blob2hidlVec(const uint8_t* data, const size_t length) { |
| hidl_vec<uint8_t> result(data, data + length); |
| return result; |
| } |
| |
| inline static hidl_vec<uint8_t> blob2hidlVec(const std::string& value) { |
| hidl_vec<uint8_t> result(reinterpret_cast<const uint8_t*>(value.data()), |
| reinterpret_cast<const uint8_t*>(value.data()) + value.size()); |
| return result; |
| } |
| |
| inline static hidl_vec<uint8_t> blob2hidlVec(const std::vector<uint8_t>& blob) { |
| hidl_vec<uint8_t> result(blob.data(), blob.data() + static_cast<size_t>(blob.size())); |
| return result; |
| } |
| |
| HardwareAuthToken hidlVec2AuthToken(const hidl_vec<uint8_t>& buffer); |
| hidl_vec<uint8_t> authToken2HidlVec(const HardwareAuthToken& token); |
| |
| } // namespace support |
| } // namespace V4_0 |
| } // namespace keymaster |
| } // namespace hardware |
| } // namespace android |
| |
| #endif // HARDWARE_INTERFACES_KEYMASTER_40_SUPPORT_KEYMASTER_UTILS_H_ |