Mercurial > hg > orthanc-stone
diff Resources/Orthanc/Core/DicomFormat/DicomInstanceHasher.h @ 200:03afbee0cc7b
integration of Orthanc core into Stone
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 23 Mar 2018 11:04:03 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Resources/Orthanc/Core/DicomFormat/DicomInstanceHasher.h Fri Mar 23 11:04:03 2018 +0100 @@ -0,0 +1,107 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017-2018 Osimis S.A., Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#pragma once + +#include "DicomMap.h" + +namespace Orthanc +{ + /** + * This class implements the hashing mechanism that is used to + * convert DICOM unique identifiers to Orthanc identifiers. Any + * Orthanc identifier for a DICOM resource corresponds to the SHA-1 + * hash of the DICOM identifiers. + + * \note SHA-1 hash is used because it is less sensitive to + * collision attacks than MD5. <a + * href="http://en.wikipedia.org/wiki/SHA-256#Comparison_of_SHA_functions">[Reference]</a> + **/ + class DicomInstanceHasher + { + private: + std::string patientId_; + std::string studyUid_; + std::string seriesUid_; + std::string instanceUid_; + + std::string patientHash_; + std::string studyHash_; + std::string seriesHash_; + std::string instanceHash_; + + void Setup(const std::string& patientId, + const std::string& studyUid, + const std::string& seriesUid, + const std::string& instanceUid); + + public: + DicomInstanceHasher(const DicomMap& instance); + + DicomInstanceHasher(const std::string& patientId, + const std::string& studyUid, + const std::string& seriesUid, + const std::string& instanceUid) + { + Setup(patientId, studyUid, seriesUid, instanceUid); + } + + const std::string& GetPatientId() const + { + return patientId_; + } + + const std::string& GetStudyUid() const + { + return studyUid_; + } + + const std::string& GetSeriesUid() const + { + return seriesUid_; + } + + const std::string& GetInstanceUid() const + { + return instanceUid_; + } + + const std::string& HashPatient(); + + const std::string& HashStudy(); + + const std::string& HashSeries(); + + const std::string& HashInstance(); + }; +}