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annotate Core/DicomFormat/DicomInstanceHasher.h @ 1777:0f5c416969dc
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Fri, 13 Nov 2015 11:51:19 +0100 |
| parents | 6e7e5ed91c2d |
| children | b1291df2f780 |
| rev | line source |
|---|---|
| 178 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
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Sebastien Jodogne <s.jodogne@gmail.com>
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3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics |
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Sebastien Jodogne <s.jodogne@gmail.com>
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4 * Department, University Hospital of Liege, Belgium |
| 178 | 5 * |
| 6 * This program is free software: you can redistribute it and/or | |
| 7 * modify it under the terms of the GNU General Public License as | |
| 8 * published by the Free Software Foundation, either version 3 of the | |
| 9 * License, or (at your option) any later version. | |
| 10 * | |
| 11 * In addition, as a special exception, the copyright holders of this | |
| 12 * program give permission to link the code of its release with the | |
| 13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 14 * that use the same license as the "OpenSSL" library), and distribute | |
| 15 * the linked executables. You must obey the GNU General Public License | |
| 16 * in all respects for all of the code used other than "OpenSSL". If you | |
| 17 * modify file(s) with this exception, you may extend this exception to | |
| 18 * your version of the file(s), but you are not obligated to do so. If | |
| 19 * you do not wish to do so, delete this exception statement from your | |
| 20 * version. If you delete this exception statement from all source files | |
| 21 * in the program, then also delete it here. | |
| 22 * | |
| 23 * This program is distributed in the hope that it will be useful, but | |
| 24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 26 * General Public License for more details. | |
| 27 * | |
| 28 * You should have received a copy of the GNU General Public License | |
| 29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 30 **/ | |
| 31 | |
| 32 | |
| 33 #pragma once | |
| 34 | |
| 35 #include "DicomMap.h" | |
| 36 | |
| 37 namespace Orthanc | |
| 38 { | |
| 39 /** | |
| 40 * This class implements the hashing mechanism that is used to | |
| 41 * convert DICOM unique identifiers to Orthanc identifiers. Any | |
| 42 * Orthanc identifier for a DICOM resource corresponds to the SHA-1 | |
| 43 * hash of the DICOM identifiers. | |
| 44 | |
| 45 * \note SHA-1 hash is used because it is less sensitive to | |
| 46 * collision attacks than MD5. <a | |
| 47 * href="http://en.wikipedia.org/wiki/SHA-256#Comparison_of_SHA_functions">[Reference]</a> | |
| 48 **/ | |
| 49 class DicomInstanceHasher | |
| 50 { | |
| 51 private: | |
| 52 std::string patientId_; | |
| 179 | 53 std::string studyUid_; |
| 178 | 54 std::string seriesUid_; |
| 179 | 55 std::string instanceUid_; |
| 56 | |
| 57 std::string patientHash_; | |
| 58 std::string studyHash_; | |
| 59 std::string seriesHash_; | |
| 60 std::string instanceHash_; | |
| 178 | 61 |
| 315 | 62 void Setup(const std::string& patientId, |
| 63 const std::string& studyUid, | |
| 64 const std::string& seriesUid, | |
| 65 const std::string& instanceUid); | |
| 66 | |
| 178 | 67 public: |
| 68 DicomInstanceHasher(const DicomMap& instance); | |
| 69 | |
| 315 | 70 DicomInstanceHasher(const std::string& patientId, |
| 71 const std::string& studyUid, | |
| 72 const std::string& seriesUid, | |
| 73 const std::string& instanceUid) | |
| 74 { | |
| 75 Setup(patientId, studyUid, seriesUid, instanceUid); | |
| 76 } | |
| 77 | |
| 178 | 78 const std::string& GetPatientId() const |
| 79 { | |
| 80 return patientId_; | |
| 81 } | |
| 82 | |
| 179 | 83 const std::string& GetStudyUid() const |
| 178 | 84 { |
| 179 | 85 return studyUid_; |
| 178 | 86 } |
| 87 | |
| 88 const std::string& GetSeriesUid() const | |
| 89 { | |
| 90 return seriesUid_; | |
| 91 } | |
| 92 | |
| 179 | 93 const std::string& GetInstanceUid() const |
| 178 | 94 { |
| 179 | 95 return instanceUid_; |
| 178 | 96 } |
| 97 | |
| 179 | 98 const std::string& HashPatient(); |
| 178 | 99 |
| 179 | 100 const std::string& HashStudy(); |
| 178 | 101 |
| 179 | 102 const std::string& HashSeries(); |
| 178 | 103 |
| 179 | 104 const std::string& HashInstance(); |
| 178 | 105 }; |
| 106 } |