1 /* 2 * Copyright (C) 2024 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 #pragma once 18 19 #include <span> 20 #include <vector> 21 22 namespace android::hardware::radio::minimal::sim { 23 24 /* makeTlv and operator+ are a very inefficient (and incomplete) implementation of 25 * BER-TLV encoding. This is fine here, because the data set is very small and used infrequently. 26 * 27 * @tag Tag number (already encoded per ISO 7816 5.2.2.1) 28 */ 29 std::vector<uint8_t> makeTlv(uint32_t tag, std::span<uint8_t const> value); 30 31 namespace tlv_operators { 32 33 std::vector<uint8_t> operator+(std::span<uint8_t const> a, std::span<uint8_t const> b); 34 35 } // namespace tlv_operators 36 37 } // namespace android::hardware::radio::minimal::sim 38