Mercurial > hg > orthanc
view Core/DicomFormat/DicomInstanceHasher.h @ 1261:ef74281b2ffa
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 08 Jan 2015 15:45:20 +0100 |
parents | 2d0a347e8cfc |
children | 6e7e5ed91c2d |
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/** * Orthanc - A Lightweight, RESTful DICOM Store * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege, * 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(); }; }