Mercurial > hg > orthanc
annotate Core/DicomFormat/DicomInstanceHasher.h @ 2016:0ae26237569a
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 13 Jun 2016 15:26:20 +0200 |
parents | b1291df2f780 |
children | a3a65de1840f |
rev | line source |
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178 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
1900 | 3 * Copyright (C) 2012-2016 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 } |