1 /* 2 * Copyright (c) 2025 Huawei Device Co., Ltd. 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 * http://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 */ 15 16 #ifndef DLP_COMMON_FUNC_H 17 #define DLP_COMMON_FUNC_H 18 19 #include "alg_common_type.h" 20 #include "alg_utils.h" 21 22 namespace OHOS { 23 namespace Security { 24 namespace DlpPermission { 25 26 int32_t GetHMACValue(const HMACSrcParams *hmacSrcParams, 27 uint8_t **hmacValue, uint32_t *hmacValueSize, const BlobData *aliasBlob); 28 29 int32_t WriteHMACAndBufToFile(const HMACSrcParams *hmacSrcParams, const char *keyAlias, const char *filePath); 30 31 int32_t ReadBufFromFile(uint8_t **fileBuffer, uint32_t *fileSize, const char *filePath); 32 33 int32_t CompareHMACValue(const HMACSrcParams *hmacSrcParams, uint8_t **buffer, uint32_t *bufLen, const char *keyAlias); 34 35 } // namespace DlpPermission 36 } // namespace Security 37 } // namespace OHOS 38 #endif // DLP_COMMON_FUNC_H