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class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/PIN_Pad" title="PIN Pad – Polish" lang="pl" hreflang="pl" data-title="PIN Pad" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Pin_pad" title="Pin pad – Portuguese" lang="pt" hreflang="pt" data-title="Pin pad" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q1340113#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div 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class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Appearance</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Device for financial transactions</div> <style data-mw-deduplicate="TemplateStyles:r1251242444">.mw-parser-output .ambox{border:1px solid #a2a9b1;border-left:10px solid #36c;background-color:#fbfbfb;box-sizing:border-box}.mw-parser-output .ambox+link+.ambox,.mw-parser-output .ambox+link+style+.ambox,.mw-parser-output .ambox+link+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+style+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+link+.ambox{margin-top:-1px}html body.mediawiki .mw-parser-output .ambox.mbox-small-left{margin:4px 1em 4px 0;overflow:hidden;width:238px;border-collapse:collapse;font-size:88%;line-height:1.25em}.mw-parser-output .ambox-speedy{border-left:10px solid #b32424;background-color:#fee7e6}.mw-parser-output .ambox-delete{border-left:10px solid #b32424}.mw-parser-output .ambox-content{border-left:10px solid #f28500}.mw-parser-output .ambox-style{border-left:10px solid #fc3}.mw-parser-output .ambox-move{border-left:10px solid #9932cc}.mw-parser-output .ambox-protection{border-left:10px solid #a2a9b1}.mw-parser-output .ambox .mbox-text{border:none;padding:0.25em 0.5em;width:100%}.mw-parser-output .ambox .mbox-image{border:none;padding:2px 0 2px 0.5em;text-align:center}.mw-parser-output .ambox .mbox-imageright{border:none;padding:2px 0.5em 2px 0;text-align:center}.mw-parser-output .ambox .mbox-empty-cell{border:none;padding:0;width:1px}.mw-parser-output .ambox .mbox-image-div{width:52px}@media(min-width:720px){.mw-parser-output .ambox{margin:0 10%}}@media print{body.ns-0 .mw-parser-output .ambox{display:none!important}}</style><table class="box-More_citations_needed plainlinks metadata ambox ambox-content ambox-Refimprove" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/File:Question_book-new.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/75px-Question_book-new.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/100px-Question_book-new.svg.png 2x" data-file-width="512" data-file-height="399" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">This article <b>needs additional citations for <a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability">verification</a></b>.<span class="hide-when-compact"> Please help <a href="/wiki/Special:EditPage/PIN_pad" title="Special:EditPage/PIN pad">improve this article</a> by <a href="/wiki/Help:Referencing_for_beginners" title="Help:Referencing for beginners">adding citations to reliable sources</a>. Unsourced material may be challenged and removed.<br /><small><span class="plainlinks"><i>Find sources:</i> <a rel="nofollow" class="external text" href="https://www.google.com/search?as_eq=wikipedia&q=%22PIN+pad%22">"PIN pad"</a> – <a rel="nofollow" class="external text" href="https://www.google.com/search?tbm=nws&q=%22PIN+pad%22+-wikipedia&tbs=ar:1">news</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?&q=%22PIN+pad%22&tbs=bkt:s&tbm=bks">newspapers</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?tbs=bks:1&q=%22PIN+pad%22+-wikipedia">books</a> <b>·</b> <a rel="nofollow" class="external text" href="https://scholar.google.com/scholar?q=%22PIN+pad%22">scholar</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.jstor.org/action/doBasicSearch?Query=%22PIN+pad%22&acc=on&wc=on">JSTOR</a></span></small></span> <span class="date-container"><i>(<span class="date">August 2012</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Um_dos_PinPADs_mais_utilizados._PPC930.png" class="mw-file-description"><img alt="PinPad" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bf/Um_dos_PinPADs_mais_utilizados._PPC930.png/250px-Um_dos_PinPADs_mais_utilizados._PPC930.png" decoding="async" width="220" height="320" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bf/Um_dos_PinPADs_mais_utilizados._PPC930.png/330px-Um_dos_PinPADs_mais_utilizados._PPC930.png 1.5x, //upload.wikimedia.org/wikipedia/commons/b/bf/Um_dos_PinPADs_mais_utilizados._PPC930.png 2x" data-file-width="340" data-file-height="495" /></a><figcaption>PIN pad (Brazil) used for secure payment.</figcaption></figure> <p>A <b>PIN pad</b> or <b>PIN entry device</b> is an electronic device used in a <a href="/wiki/Debit_card" title="Debit card">debit</a>, <a href="/wiki/Credit_card" title="Credit card">credit</a> or <a href="/wiki/Smart_card" title="Smart card">smart card</a>-based transaction to accept and <a href="/wiki/Encryption" title="Encryption">encrypt</a> the cardholder's <a href="/wiki/Personal_identification_number" title="Personal identification number">personal identification number</a> (PIN). </p><p>PIN pads are normally used with <a href="/wiki/Payment_terminal" title="Payment terminal">payment terminals</a>, <a href="/wiki/Automated_teller_machine" class="mw-redirect" title="Automated teller machine">automated teller machines</a> or integrated <a href="/wiki/Point_of_sale" title="Point of sale">point of sale</a> devices in which an electronic <a href="/wiki/Cash_register" title="Cash register">cash register</a> is responsible for taking the sale amount and initiating/handling the transaction. The PIN pad is required to read the card and allow the PIN to be securely entered and encrypted before it is sent to the bank. In some cases, with <a href="/wiki/Chip_card" class="mw-redirect" title="Chip card">chip cards</a>, the PIN is only transferred from the PIN pad to card and it is verified by the chip card. In this case the PIN does not need to be sent to the bank or card scheme for verification. (This is known as "offline PIN verification".) </p><p>Like some stand-alone point of sale devices, PIN pads are equipped with hardware and software security features to ensure that the encryption <a href="/wiki/Key_(cryptography)" title="Key (cryptography)">keys</a> and the PIN are erased if someone tries to tamper with the device. The PIN is encrypted immediately on entry and an encrypted PIN block is created. This encrypted PIN block is erased as soon as it has been sent from the PIN pad to the attached point of sale device and/or the chip card. PINs are encrypted using a variety of encryption schemes, the most common in 2010 being <a href="/wiki/Triple_DES" title="Triple DES">triple DES</a>. </p><p>PIN pads must be approved to the standards required by the <a href="/wiki/Payment_card_industry" title="Payment card industry">payment card industry</a> to ensure that they provide adequate security at the point of PIN entry and for the PIN encryption process. <a href="/wiki/ISO_9564" title="ISO 9564">ISO 9564</a> is the <a href="/wiki/International_standard" title="International standard">international standard</a> for PIN management and security, and specifies some required and recommended characteristics of PIN entry devices.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>Although PIN pads nominally allow entry of numeric values, some PIN pads also have <a href="/wiki/E.161" title="E.161">letters assigned to most of the digits</a>, to allow use of alphabetic characters or a words as a <a href="/wiki/Mnemonic" title="Mnemonic">mnemonic</a> for the numeric PIN. Not all PIN pads necessarily have the same letters for the same numbers. ISO 9564 does not mandate any particular assignment of letters, and includes two examples that differ in the digits to which Q and Z are assigned.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Certifications">Certifications</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=PIN_pad&action=edit&section=1" title="Edit section: Certifications"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Payment_card_industry" title="Payment card industry">Payment card industry</a></li> <li><a href="/wiki/EMV" title="EMV">EMV</a></li> <li>Abecs<sup class="noprint Inline-Template" style="margin-left:0.1em; white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Please_clarify" title="Wikipedia:Please clarify"><span title="The text near this tag may need clarification or removal of jargon. (March 2019)">clarification needed</span></a></i>]</sup></li> <li>TQM<sup class="noprint Inline-Template" style="margin-left:0.1em; white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Please_clarify" title="Wikipedia:Please clarify"><span title="The text near this tag may need clarification or removal of jargon. (March 2019)">clarification needed</span></a></i>]</sup></li> <li><a href="/wiki/PayPass" class="mw-redirect" title="PayPass">PayPass</a></li> <li><a href="/wiki/PayWave" class="mw-redirect" title="PayWave">PayWave</a></li> <li><a href="/wiki/ExpressPay" class="mw-redirect" title="ExpressPay">ExpressPay</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=PIN_pad&action=edit&section=2" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Payment_terminal" title="Payment terminal">Payment terminal</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=PIN_pad&action=edit&section=3" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.iso.org/iso/home/store/catalogue_tc/catalogue_detail.htm?csnumber=54083">ISO 9564-1:2011</a> <i>Financial services — Personal Identification Number (PIN) management and security — Part 1: Basic principles and requirements for PINs in card-based systems</i>, clause 5 PIN handling devices</span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text">ISO 9564-1:2011, Annex B.4 Alpha-to-numeric mapping</span> </li> </ol></div></div>    </div><noscript><img src="https://auth.wikimedia.org/loginwiki/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=1" alt="" width="1" height="1" style="border: none; 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