1 /* 2 * Copyright (c) 2024-2024 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 #ifndef SIGNATRUETOOLS_BYTEBUFFER_DATASOURCE_H 16 #define SIGNATRUETOOLS_BYTEBUFFER_DATASOURCE_H 17 18 #include "data_source.h" 19 #include "export_define.h" 20 #include "byte_buffer.h" 21 #include "digest_parameter.h" 22 23 namespace OHOS { 24 namespace SignatureTools { 25 26 class ByteBufferDataSource : public DataSource { 27 public: 28 DLL_EXPORT ByteBufferDataSource(ByteBuffer& hapBuffer); 29 DLL_EXPORT ~ByteBufferDataSource(); 30 bool HasRemaining() const override; 31 int64_t Remaining() const override; 32 void Reset() override; 33 bool ReadDataAndDigestUpdate(const DigestParameter& digestParam, int32_t chunkSize) override; GetByteBuffer()34 ByteBuffer& GetByteBuffer() 35 { 36 return bytebuffer; 37 } 38 39 private: 40 ByteBuffer& bytebuffer; 41 }; 42 } // namespace SignatureTools 43 } // namespace OHOS 44 #endif // SIGNATRUETOOLS_BYTEBUFFER_DATASOURCE_H 45