1 /* 2 * Copyright (c) 2025-2025 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 OHOS_FORM_FWK_SIGN_TOOLS_H 17 #define OHOS_FORM_FWK_SIGN_TOOLS_H 18 19 #include <string> 20 #include <openssl/rsa.h> 21 22 namespace OHOS { 23 namespace AppExecFwk { 24 class SignTools { 25 public: 26 static bool VerifyFileSign(const std::string &pubKeyPath, const std::string &singPath, 27 const std::string &digestPath); 28 static std::tuple<int, std::string> CalcFileSha256Digest(const std::string &fpath); 29 30 private: 31 static int ForEachFileSegment(const std::string &fpath, std::function<void(char *, size_t)> executor); 32 static void CalcBase64(uint8_t *input, uint32_t inputLen, std::string &encodedStr); 33 static bool VerifyRsa(RSA *rsa, const std::string &digest, const std::string &sign); 34 static std::string GetfileStream(const std::string &filepath); 35 }; 36 } // namespace AppExecFwk 37 } // namespace OHOS 38 #endif // OHOS_FORM_FWK_SIGN_TOOLS_H