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<p><b>JAB Code (Just Another Barcode)</b> is a colour 2D matrix symbology made of colour squares arranged in either square or rectangle grids. It was developed by Fraunhofer Institute for Secure Information Technology SIT.<sup id="cite_ref-JAB_code_project_website_(2019)_1-0" class="reference"><a href="#cite_note-JAB_code_project_website_(2019)-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>
</p><p>The code contains one primary symbol and optionally multiple secondary symbols. The primary symbol contains four finder patterns located at the corners of the symbol.<sup id="cite_ref-JAB_code_specification_website_(2019)_2-0" class="reference"><a href="#cite_note-JAB_code_specification_website_(2019)-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>
</p><p>The code uses either four or eight colours.<sup id="cite_ref-JAB_press_release_3-0" class="reference"><a href="#cite_note-JAB_press_release-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> The four basic colours (cyan, magenta, yellow, and black) are the four primary colours of the subtractive <a href="CMYK_color_model" title="CMYK color model">CMYK colour model</a>, which is the most widely used system in the industry for colour printing on a white base such as paper. The other four colours (blue, red, green, and white) are secondary colours of the CMYK model and each originates as an equal mixture of a pair of basic colours.
</p><p>The barcode is not subject to licensing and was submitted to ISO/IEC standardization as ISO/IEC 23634 expected to be approved at the beginning of 2021<sup id="cite_ref-JAB_ISO_progress_4-0" class="reference"><a href="#cite_note-JAB_ISO_progress-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> and finalized in 2022.<sup id="cite_ref-JAB_press_release_3-1" class="reference"><a href="#cite_note-JAB_press_release-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> The software is <a href="Open-source_software" title="Open-source software">open source</a> and published under the <a href="GNU_Lesser_General_Public_License" title="GNU Lesser General Public License">LGPL</a> v2.1 license.<sup id="cite_ref-JAB_code_source_code_(2019)_5-0" class="reference"><a href="#cite_note-JAB_code_source_code_(2019)-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> The specification is freely available.<sup id="cite_ref-JAB_code_specification_website_(2019)_2-1" class="reference"><a href="#cite_note-JAB_code_specification_website_(2019)-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>
</p><p>Because the colour adds a third dimension to the two-dimensional matrix, a JAB Code can contain more information in the same area than two-colour (black and white) codes; a four-colour code doubles the amount of data that can be stored, and an eight-colour code triples it. This increases the chances the barcode can store an entire message, rather than just partial data with a reference to a full message somewhere else (such as a link to a website), which would eliminate the need for additional always-available infrastructure beyond the printed barcode itself. It may be used to <a href="Digital_signature" title="Digital signature">digitally sign</a> encrypted digital versions of printed legal documents, contracts, certificates (e.g., diplomas, training), and medical prescriptions or to provide product authenticity assurance, increasing protection against counterfeits.<sup id="cite_ref-JAB_press_release_3-2" class="reference"><a href="#cite_note-JAB_press_release-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup>
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<div class="mw-heading mw-heading2"><h2 id="References">References</h2></div>
<div class="mw-references-wrap"><ol class="references">
<li id="cite_note-JAB_code_project_website_(2019)-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-JAB_code_project_website_(2019)_1-0">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">
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</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://jabcode.org/">"JAB Code website"</a>. <i>jabcode.org</i>. 2019. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20190523200618/https://jabcode.org/">Archived</a> from the original on 23 May 2019<span class="reference-accessdate">. Retrieved <span class="nowrap">13 October</span> 2019</span>.</cite></span>
</li>
<li id="cite_note-JAB_code_specification_website_(2019)-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-JAB_code_specification_website_(2019)_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-JAB_code_specification_website_(2019)_2-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.bsi.bund.de/SharedDocs/Downloads/EN/BSI/Publications/TechGuidelines/TR03137/BSI-TR-03137_Part2.pdf?__blob=publicationFile&v=2">"JAB Code technical specification"</a> <span class="cs1-format">(PDF)</span>. <i>www.bsi.bund.de</i>. 2019. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20200806160909/https://www.bsi.bund.de/SharedDocs/Downloads/EN/BSI/Publications/TechGuidelines/TR03137/BSI-TR-03137_Part2.pdf?__blob=publicationFile&v=2">Archived</a> <span class="cs1-format">(PDF)</span> from the original on 6 August 2020<span class="reference-accessdate">. Retrieved <span class="nowrap">13 October</span> 2019</span>.</cite></span>
</li>
<li id="cite_note-JAB_press_release-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-JAB_press_release_3-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-JAB_press_release_3-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-JAB_press_release_3-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><cite id="CITEREFKüch2020" class="citation pressrelease cs1">Küch, Oliver (2020-06-26). <a rel="nofollow" class="external text" href="https://www.sit.fraunhofer.de/en/news-events/latest/press-releases/details/news-article/show/bunter-barcode-wird-iso-standard/">"Color barcode becomes ISO standard"</a> (Press release). Darmstadt: <a href="Fraunhofer_Society" title="Fraunhofer Society">Fraunhofer Institute for Secure Information Technology</a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20210120042805/https://www.sit.fraunhofer.de/en/news-events/latest/press-releases/details/news-article/show/bunter-barcode-wird-iso-standard/">Archived</a> from the original on 20 January 2021<span class="reference-accessdate">. Retrieved <span class="nowrap">February 17,</span> 2021</span>.</cite></span>
</li>
<li id="cite_note-JAB_ISO_progress-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-JAB_ISO_progress_4-0">^</a></b></span> <span class="reference-text"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.iso.org/standard/76478.html">"ISO/IEC DIS 23634 Information technology — Automatic identification and data capture techniques — JAB Code polychrome bar code symbology specification"</a>. <a href="International_Organization_for_Standardization" title="International Organization for Standardization">ISO</a>/<a href="International_Electrotechnical_Commission" title="International Electrotechnical Commission">IEC</a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20230112193221/https://www.iso.org/standard/76478.html">Archived</a> from the original on 12 January 2023<span class="reference-accessdate">. Retrieved <span class="nowrap">February 17,</span> 2021</span>.</cite></span>
</li>
<li id="cite_note-JAB_code_source_code_(2019)-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-JAB_code_source_code_(2019)_5-0">^</a></b></span> <span class="reference-text"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://github.com/jabcode/jabcode">"jabcode"</a>. <i>GitHub</i>. 2019. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20190526144041/https://github.com/jabcode/jabcode">Archived</a> from the original on 26 May 2019<span class="reference-accessdate">. Retrieved <span class="nowrap">13 October</span> 2019</span>.</cite></span>
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<ul><li><a href="KarTrak" title="KarTrak">Automatic Car Identification</a></li>
<li><a href="Code_11" title="Code 11">Code 11</a></li>
<li><a href="Code_39" title="Code 39">Code 39</a></li>
<li><a href="Code_93" title="Code 93">Code 93</a></li>
<li><a href="Code_128" title="Code 128">Code 128</a></li>
<li><a href="Codabar" title="Codabar">Codabar</a></li>
<li><a href="International_Article_Number" title="International Article Number">European Article Number</a></li>
<li><a href="GS1_DataBar" class="mw-redirect" title="GS1 DataBar">GS1 DataBar</a></li>
<li><a href="Industrial_2_of_5" title="Industrial 2 of 5">Industrial 2 of 5</a></li>
<li><a href="Interleaved_2_of_5" title="Interleaved 2 of 5">Interleaved 2 of 5</a></li>
<li><a href="ITF-14" class="mw-redirect" title="ITF-14">ITF-14</a></li>
<li><a href="Matrix_2_of_5" title="Matrix 2 of 5">Matrix 2 of 5</a></li>
<li><a href="MSI_Barcode" title="MSI Barcode">MSI Barcode</a></li>
<li><a href="Patch_Code" title="Patch Code">Patch Code</a></li>
<li><a href="Pharmacode" title="Pharmacode">Pharmacode</a></li>
<li><a href="Plessey_Code" title="Plessey Code">Plessey</a></li>
<li><a href="Telepen" title="Telepen">Telepen</a></li>
<li><a href="Universal_Product_Code" title="Universal Product Code">UPC</a></li></ul>
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<tbody><tr><td><span typeof="mw:File"></span></td>
</tr><tr><td><a href="Universal_Product_Code" title="Universal Product Code">UPC-A</a></td>
</tr><tr><td><span typeof="mw:File"></span></td>
</tr><tr><td><a href="MaxiCode" title="MaxiCode">MaxiCode</a></td>
</tr></tbody></table></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Mail" title="Mail">Post office</a> barcodes</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="CPC_Binary_Barcode" title="CPC Binary Barcode">CPC Binary Barcode</a></li>
<li><a href="Facing_Identification_Mark" title="Facing Identification Mark">Facing Identification Mark</a></li>
<li><a href="PostBar" title="PostBar">PostBar</a></li>
<li><a href="POSTNET" title="POSTNET">POSTNET</a></li>
<li><a href="RM4SCC" title="RM4SCC">RM4SCC</a></li>
<li><a href="Intelligent_Mail_barcode" title="Intelligent Mail barcode">Intelligent Mail barcode</a></li>
<li><a href="Postal_Alpha_Numeric_Encoding_Technique" title="Postal Alpha Numeric Encoding Technique">PLANET</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">2D barcodes (stacked)</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Codablock" title="Codablock">Codablock</a></li>
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<li><a href="MicroPDF417" title="MicroPDF417">MicroPDF417</a></li>
<li><a href="PDF417" title="PDF417">PDF417</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">2D barcodes (<a href="Matrix_(mathematics)" title="Matrix (mathematics)">matrix</a>)</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Aztec_Code" title="Aztec Code">Aztec Code</a></li>
<li><a href="Data_Matrix" title="Data Matrix">Data Matrix</a> (<a href="Semacode" title="Semacode">Semacode</a>)</li>
<li><a href="DotCode" title="DotCode">DotCode</a></li>
<li><a href="Han_Xin_code" title="Han Xin code">Han Xin code</a></li>
<li><a href="MaxiCode" title="MaxiCode">MaxiCode</a></li>
<li><a href="QR_code" title="QR code">QR code</a></li>
<li><a href="Rectangular_Micro_QR_Code" title="Rectangular Micro QR Code">rMQR Code</a></li>
<li><a href="Boxing_barcode" title="Boxing barcode">Boxing</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Polar_coordinate_system" title="Polar coordinate system">Polar coordinate</a> barcodes</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="MaxiCode" title="MaxiCode">MaxiCode</a></li>
<li><a href="ShotCode" title="ShotCode">ShotCode</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="High_Capacity_Color_Barcode" title="High Capacity Color Barcode">High Capacity Color Barcode (Microsoft Tag)</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Technological issues</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Barcode_library" title="Barcode library">Barcode library</a></li>
<li><a href="Barcode_printer" title="Barcode printer">Barcode printer</a></li>
<li><a href="Barcode_reader" title="Barcode reader">Barcode reader</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other data tags</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Radio-frequency_identification" title="Radio-frequency identification">RFID</a></li>
<li><a href="Bokode" title="Bokode">Bokode</a></li></ul>
</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related topics</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">
<ul><li><a href="Supply_chain_management" title="Supply chain management">Supply chain management</a></li>
<li><a href="Object_hyperlinking" title="Object hyperlinking">Object hyperlinking</a></li>
<li><a href="Matrix_(mathematics)" title="Matrix (mathematics)">Matrix</a></li>
<li><a href="Mobile_tagging" title="Mobile tagging">Mobile tagging</a></li>
<li><a href="CueCat" title="CueCat">CueCat</a></li></ul>
</div></td></tr><tr><td class="navbox-abovebelow hlist" colspan="3"><div>
<ul><li><span class="noviewer" typeof="mw:File"><span title="Category"></span></span> Category</li>
<li><span class="noviewer" typeof="mw:File"><span title="Commons page"></span></span> <a href="https://commons.wikimedia.org/wiki/Category:Barcode" class="extiw external" title="commons:Category:Barcode">Commons</a></li></ul>
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