183     DigestAlgorithm::DigestAlgorithmPtr algorithm = nullptr;  in LoadPackage()  local
187     int32_t ret = ReadUpgradePkgHeader(buffer, parsedLen, algorithm);  in LoadPackage()
190     ret = ReadComponents(buffer, parsedLen, algorithm, fileNames);  in LoadPackage()
212     algorithm->Update(buffer, UPGRADE_RESERVE_LEN + GetUpgradeSignatureLen());  in LoadPackage()
216     return Verify(parsedLen, algorithm, verifier, signData);  in LoadPackage()
219 int32_t UpgradePkgFile::Verify(size_t start, DigestAlgorithm::DigestAlgorithmPtr algorithm,  in Verify()  argument
235         algorithm->Update(buffer, readBytes);  in Verify()
240     algorithm->Final(digest);  in Verify()
247     DigestAlgorithm::DigestAlgorithmPtr algorithm, std::vector<std::string> &fileNames)  in ReadComponents()  argument
257     algorithm->Update(buffer, sizeof(PkgTlv)); // tlv generate digest  in ReadComponents()
287         algorithm->Update(signBuffer, decodeLen); // Generate digest for components  in ReadComponents()
302     DigestAlgorithm::DigestAlgorithmPtr &algorithm)  in ReadUpgradePkgHeader()  argument
329     algorithm = PkgAlgorithmFactory::GetDigestAlgorithm(pkgInfo_.pkgInfo.digestMethod);  in ReadUpgradePkgHeader()
330     PKG_CHECK(algorithm != nullptr, return PKG_NOT_EXIST_ALGORITHM,  in ReadUpgradePkgHeader()
332     algorithm->Init();  in ReadUpgradePkgHeader()
336         algorithm->Update(buffer, realLen);  in ReadUpgradePkgHeader()
356     algorithm->Update(buffer, currLen); // Generate digest  in ReadUpgradePkgHeader()
398 …  PkgAlgorithm::PkgAlgorithmPtr algorithm = PkgAlgorithmFactory::GetAlgorithm(&fileInfo_.fileInfo);  in Pack()  local
400 …PKG_CHECK(algorithm != nullptr && outStream != nullptr && inStream != nullptr, return PKG_INVALID_…  in Pack()
410     int32_t ret = algorithm->Pack(inStream, outStream, context);  in Pack()
459 …  PkgAlgorithm::PkgAlgorithmPtr algorithm = PkgAlgorithmFactory::GetAlgorithm(&fileInfo_.fileInfo);  in Unpack()  local
460 …PKG_CHECK(algorithm != nullptr, return PKG_INVALID_PARAM, "can not algorithm for %s", fileName_.c_…  in Unpack()
472     ret = algorithm->Unpack(inStream, outStream, context);  in Unpack()