{"id":4664,"date":"2021-07-14T16:08:24","date_gmt":"2021-07-14T16:08:24","guid":{"rendered":"https:\/\/knowhowprod.wpengine.com\/?p=4664"},"modified":"2021-11-23T14:45:35","modified_gmt":"2021-11-23T14:45:35","slug":"lessor-du-code-qr","status":"publish","type":"post","link":"https:\/\/knowhow.distrelec.com\/fr\/informatique-et-technologie-numerique\/lessor-du-code-qr\/","title":{"rendered":"L&rsquo;essor du code QR"},"content":{"rendered":"\n<p>\u00c0 une \u00e9poque o\u00f9 tout le monde, des enfants de l&rsquo;\u00e9cole primaire aux retrait\u00e9s, poss\u00e8de un t\u00e9l\u00e9phone portable, les applications de ces appareils et la mani\u00e8re dont ils nous aident \u00e0 interagir avec notre monde sont en constante \u00e9volution. Une application qui a connu une r\u00e9surgence r\u00e9cente pendant la pand\u00e9mie de Covid-19 est le code QR.<\/p>\n\n\n\n<div class=\"cnvs-block-toc cnvs-block-toc-1623072592158\" >\n\t<\/div>\n\n\n\n<h2 id=\"que-sont-les-codes-qr\" class=\"wp-block-heading\">Que sont les codes QR ?<\/h2>\n\n\n\n<div class=\"wp-block-media-text alignwide has-media-on-the-right is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"235\"  height=\"400\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAOsAAAGQAQMAAAB1VgUgAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAACNJREFUaN7twTEBAAAAwqD1T+1tB6AAAAAAAAAAAAAAAADeADBwAAGYsi9oAAAAAElFTkSuQmCC\"  alt=\"\"  class=\"wp-image-2669 size-full pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 235px) 100vw, 235px\"  data-pk-src=\"https:\/\/knowhowprod.wpengine.com\/wp-content\/uploads\/2021\/06\/qrcode-img2.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/qrcode-img2.jpg 235w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/qrcode-img2.jpg?resize=176,300 176w\" ><\/figure><div class=\"wp-block-media-text__content\">\n<p>Les codes QR, aussi appel\u00e9 QR code (de l&rsquo;anglais : quick response code, \u00ab code \u00e0 r\u00e9ponse rapide \u00bb), sont des carr\u00e9s noirs dispos\u00e9s en grille sur un fond blanc qui fonctionnent comme des codes scannables. Ils peuvent \u00eatre lus par la plupart des appareils photo des smartphones et sont ensuite trait\u00e9s sur l&rsquo;appareil.<\/p>\n\n\n\n<p>Un code QR stocke des informations, qui s&rsquo;affichent sur le dispositif de lecture apr\u00e8s traitement. Parmi les types de destinations courantes dans les codes QR figurent les liens internet, les brouillons d&rsquo;e-mails, les t\u00e9l\u00e9chargements d&rsquo;applications et le lancement d&rsquo;appels t\u00e9l\u00e9phoniques, bien qu&rsquo;ils ne soient pas limit\u00e9s \u00e0 ces seuls \u00e9l\u00e9ments. Cette lecture et ce traitement s&rsquo;effectuent par le biais d&rsquo;un dispositif d&rsquo;imagerie et d&rsquo;un code correcteur Reed-Solomon ult\u00e9rieure, un type de code partag\u00e9 par de nombreuses technologies populaires telles que les CD et les disques Blu-ray.<\/p>\n<\/div><\/div>\n\n\n\n<h2 id=\"lhistoire-des-codes-qr\" class=\"wp-block-heading\">L&rsquo;histoire des codes QR<\/h2>\n\n\n\n<p><br>Les codes QR ont \u00e9t\u00e9 con\u00e7us pour la premi\u00e8re fois en 1994 pour \u00eatre utilis\u00e9s dans l&rsquo;industrie automobile japonaise. Masahiro Hara, qui travaillait pour Denso Wave, cherchait un moyen de suivre les v\u00e9hicules pendant la fabrication qui permettrait de scanner les composants \u00e0 grande vitesse. Le style noir et blanc des codes a \u00e9t\u00e9 influenc\u00e9 par les pi\u00e8ces d&rsquo;un plateau de jeu de Go, et tout comme le jeu de soci\u00e9t\u00e9 populaire, les codes QR ont rapidement gagn\u00e9 en popularit\u00e9.<\/p>\n\n\n\n<p>La diffusion des codes QR est en grande partie li\u00e9e \u00e0 la technologie des t\u00e9l\u00e9phones portables qui permet de les scanner. En 2002, le premier t\u00e9l\u00e9phone mobile capable de scanner et de traiter les codes QR a \u00e9t\u00e9 mis sur le march\u00e9, et le grand public a pu b\u00e9n\u00e9ficier de cette technologie pratique pour la premi\u00e8re fois. Pourtant, l&rsquo;adoption par le public a \u00e9t\u00e9 relativement lente et limit\u00e9e aux adeptes les plus d\u00e9vou\u00e9s. \u00c0 l&rsquo;\u00e9poque, il \u00e9tait encore n\u00e9cessaire de t\u00e9l\u00e9charger une application distincte pour pouvoir scanner les nouveaux codes. Cela a chang\u00e9 en 2017 avec la sortie d&rsquo;iOS 11, une nouvelle mise \u00e0 jour du logiciel de l&rsquo;iPhone. Sur le nouveau syst\u00e8me d&rsquo;exploitation, l&rsquo;application appareil photo de l&rsquo;iPhone est capable de scanner les codes QR &#8211; plus besoin d&rsquo;applications tierces.<\/p>\n\n\n\n<p>Pascal Keller, chef d&rsquo;\u00e9quipe support technique chez Distrelec Suisse, se souvient de la lenteur de la propagation des codes QR :<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><em><em>Je pense qu&rsquo;ils sont devenus plus populaires vers 2015 &#8211; il \u00e9tait quasiment in\u00e9vitable d&rsquo;avoir une application de lecture sur son t\u00e9l\u00e9phone, et je me souviens avoir scann\u00e9 un code QR sur un prospectus \u00e0 l&rsquo;\u00e9poque pour t\u00e9l\u00e9charger quelque chose. \u00c0 partir de ce moment-l\u00e0, de plus en plus d&rsquo;applications ont \u00e9t\u00e9 ajout\u00e9es. Par exemple, lors de l&rsquo;achat d&rsquo;un nouvel appareil, l&#8217;emballage comportait un code QR qui permettait d&rsquo;acc\u00e9der au manuel disponible sur l&rsquo;internet. Depuis lors, ils sont bien \u00e9tablis en Suisse !<\/em><\/em><\/p><cite><strong><em><strong><em>Pascal Keller, Distrelec Suisse<\/em><\/strong><br><br><\/em><\/strong><\/cite><\/blockquote>\n\n\n\n<h2 id=\"les-codes-qr-pendant-la-pandemie-de-covid-19\" class=\"wp-block-heading\">Les codes QR pendant la pand\u00e9mie de Covid-19<\/h2>\n\n\n\n<p><br>Fin 2019, les codes QR ont continu\u00e9 \u00e0 \u00eatre utiles dans des secteurs comme le marketing, le commerce, l&rsquo;\u00e9ducation et les organismes \u00e0 but non lucratif. Cependant, au cours de la lutte contre le Covid-19 \u00e0 partir de 2020, ils ont \u00e9t\u00e9 en mesure de fournir une fonctionnalit\u00e9 vraiment unique qui aide tout le monde \u00e0 rester en s\u00e9curit\u00e9.<\/p>\n\n\n\n<p>Erik Skogly, directeur national des ventes chez Elfa Distrelec Norv\u00e8ge, a remarqu\u00e9 cette nouvelle tendance :<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><em><em>Pour ma part, du moins jusqu&rsquo;\u00e0 il y a quelques ann\u00e9es, les codes QR n&rsquo;\u00e9taient pas utilis\u00e9s par les Norv\u00e9giens. Mais en f\u00e9vrier 2020, alors que la pand\u00e9mie mondiale commen\u00e7ait \u00e0 prendre de l&rsquo;ampleur, les entreprises, les m\u00e9decins, les h\u00f4pitaux et bien d&rsquo;autres ont commenc\u00e9 \u00e0 les adopter comme moyen sans contact de fournir des informations. Je les ai vus utilis\u00e9s dans des restaurants pour remplacer les menus et pour s&rsquo;enregistrer \u00e0 des fins de suivi, dans des h\u00f4pitaux et chez des m\u00e9decins pour enregistrer votre visite &#8211; l&rsquo;utilisation pratique et facile du code QR en fait un outil formidable pour tout le monde. Il sera tr\u00e8s int\u00e9ressant de voir o\u00f9 ces codes se retrouveront ensuite !<\/em><\/em><\/p><cite><strong><em><strong><em>Erik Skogly, Elfa Distrelec Norv\u00e8ge<\/em><\/strong><br><\/em><\/strong><\/cite><\/blockquote>\n\n\n\n<p>Et en effet, les applications des codes QR pendant la pand\u00e9mie ont \u00e9t\u00e9 vari\u00e9es. Au Canada, la galerie d&rsquo;art de Vancouver les utilise pour&nbsp;<a href=\"https:\/\/www.vancouverisawesome.com\/vancouver-news\/visit-vancouver-art-gallery-look-like-summer-2415286\" target=\"_blank\" rel=\"noreferrer noopener\">fournir des copies du guide touristique de la galerie,&nbsp;<\/a>Shanghai adopte les codes QR pour&nbsp;<a href=\"https:\/\/www.shine.cn\/news\/metro\/2007031414\/\" target=\"_blank\" rel=\"noreferrer noopener\">am\u00e9liorer la s\u00e9curit\u00e9 et faciliter le traitement des urgences dans les ascenseurs,<\/a>&nbsp;et aux \u00c9tats-Unis, Walmart&nbsp;<a href=\"https:\/\/corporate.walmart.com\/newsroom\/2020\/03\/27\/were-making-key-services-completely-contact-free\" target=\"_blank\" rel=\"noreferrer noopener\">autorise les paiements par code QR<\/a>. Ils ont contribu\u00e9 \u00e0 la distanciation sociale, en aidant les gens \u00e0 \u00e9viter les contacts inutiles avec les autres et en minimisant les contacts avec les surfaces partag\u00e9es.<\/p>\n\n\n\n<p>Leur utilisation accrue a \u00e9t\u00e9 \u00e9vidente : dans une&nbsp;<a href=\"https:\/\/www.mobileiron.com\/sites\/default\/files\/Datasheets\/qr-codes\/QR-Code-Sentiment-Data.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">\u00e9tude r\u00e9alis\u00e9e par MobileIron<\/a>, 47 % des personnes interrog\u00e9es ont constat\u00e9 une augmentation de l&rsquo;utilisation des codes QR pendant la pand\u00e9mie. Toutefois, ce recours accru aux codes QR soul\u00e8ve certaines questions quant \u00e0 leur s\u00e9curit\u00e9.<\/p>\n\n\n\n<h2 id=\"la-securite-des-codes-qr\" class=\"wp-block-heading\">La s\u00e9curit\u00e9 des codes QR<\/h2>\n\n\n\n<p><br>Comme nous le savons, un code QR est compos\u00e9 d&rsquo;une matrice carr\u00e9e de points pixellis\u00e9s. Cela signifie qu&rsquo;un code QR, une fois cr\u00e9\u00e9, ne peut pas \u00eatre pirat\u00e9 ; la technologie du code QR ne constitue pas un risque de s\u00e9curit\u00e9 en soi. Toutefois, comme tout site web ou toute technologie, les codes QR peuvent \u00eatre dangereux lorsqu&rsquo;ils ne proviennent pas d&rsquo;un auteur de confiance. MobileIron a constat\u00e9 que, bien que 69 % des personnes interrog\u00e9es soient s\u00fbres de pouvoir distinguer une URL malveillante, seules 37 % d&rsquo;entre elles pensaient \u00eatre capables de distinguer un code QR malveillant. Les utilisateurs sont ainsi expos\u00e9s \u00e0 trois grands types de cyberattaques : le hame\u00e7onnage, la distribution de logiciels malveillants et le renvoi vers des sites web dangereux. Ces attaques sont principalement men\u00e9es en cr\u00e9ant de fausses affiches comprenant des codes QR ou en collant des autocollants de codes QR malveillants sur les codes QR l\u00e9gitimes trouv\u00e9s sur les affiches dans les lieux publics.<\/p>\n\n\n\n<p>Les utilisateurs peuvent se prot\u00e9ger au mieux contre ces types d&rsquo;attaques en \u00e9tant vigilants : v\u00e9rifiez les codes QR autocollants, ne donnez pas d&rsquo;informations personnelles ou de connexion pour \u00e9viter le hame\u00e7onnage, et regardez les URL avant de poursuivre. Il existe \u00e9galement des applications de s\u00e9curit\u00e9 pour les codes QR, comme Norton Snap, qui agissent comme des lecteurs de codes QR avec des fonctions de s\u00e9curit\u00e9 int\u00e9gr\u00e9es, vous prot\u00e9geant ainsi de tous les types de cyber-attaques par code QR.<\/p>\n\n\n\n<h2 id=\"lavenir-des-codes-qr\" class=\"wp-block-heading\">L&rsquo;avenir des codes QR<\/h2>\n\n\n\n<p><br>Bien que les codes QR existent depuis de nombreuses ann\u00e9es, la pand\u00e9mie de Covid-19 a mis en \u00e9vidence l&rsquo;utilit\u00e9 de cette technologie dans la vie quotidienne. Dans l&rsquo;\u00e9tude r\u00e9alis\u00e9e par MobileIron, plus de 58 % des personnes interrog\u00e9es souhaitent que les codes QR soient utilis\u00e9s plus largement \u00e0 l&rsquo;avenir, et les autorit\u00e9s comme les entreprises se sont jet\u00e9es sur cette technologie pratique. \u00c0 mesure que nos t\u00e9l\u00e9phones portables et autres appareils \u00e9voluent, nous pouvons nous attendre \u00e0 de nombreuses applications nouvelles et innovantes pour les codes QR.<\/p>\n","protected":false},"excerpt":{"rendered":"\u00c0 une \u00e9poque o\u00f9 tout le monde, des enfants de l&rsquo;\u00e9cole primaire aux retrait\u00e9s, poss\u00e8de un t\u00e9l\u00e9phone portable,&hellip;\n","protected":false},"author":5,"featured_media":10740,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_singular_sidebar":"","csco_page_header_type":"","csco_appearance_grid":"","csco_page_load_nextpost":"","csco_post_video_location":[],"csco_post_video_location_hash":"","csco_post_video_url":"","csco_post_video_bg_start_time":0,"csco_post_video_bg_end_time":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[183],"tags":[],"coauthors":[],"class_list":{"0":"post-4664","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-informatique-et-technologie-numerique","8":"cs-entry","9":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - 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