Chiffrement de Playfair Sécurité informatique Partie 2 Cryptographie classique
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=JMkGYoT3-Rw
Cette vidéo présente la première présentation de la partie 2 de la série Sécurité informatique. La deuxième partie présente la cryptographie classique, cette partie est constituée de plusieurs vidéos. Cette vidéo, présente le chiffrement de Playfair","styleRuns":[{"startIndex":0,"length":251,"styleRunExtensions":{"styleRunColorMapExtension":{"colorMap":[{"key":"USER_INTERFACE_THEME_DARK","value":4294967295},{"key":"USER_INTERFACE_THEME_LIGHT","value":4279440147}]}},"fontFamilyName":"Roboto"}]},"headerRuns":[{"startIndex":0,"length":251,"headerMapping":"ATTRIBUTED_STRING_HEADER_MAPPING_UNSPECIFIED"}]}},{"itemSectionRenderer":{"contents":[{"continuationItemRenderer":{"trigger":"CONTINUATION_TRIGGER_ON_ITEM_SHOWN","continuationEndpoint":{"clickTrackingParams":"CLIBELsvGAIiEwizn7L6_KCKAxXMdnoFHQpEHac=","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/next"}},"continuationCommand":{"token":"Eg0SC0pNa0dZb1QzLVJ3GAYyJSIRIgtKTWtHWW9UMy1SdzAAeAJCEGNvbW1lbnRzLXNlY3Rpb24%3D","request":"CONTINUATION_REQUEST_TYPE_WATCH_NEXT"}}}}],"trackingParams":"CLIBELsvGAIiEwizn7L6_KCKAxXMdnoFHQpEHac=","sectionIdentifier":"comment-item-section","targetId":"comments-section"}}],"trackingParams":"CLEBELovIhMIs5-y-vygigMVzHZ6BR0KRB2n"}},"secondaryResults":{"secondaryResults":{"results":[{"compactVideoRenderer":{"videoId":"nd0jfGcDUn8","thumbnail":{"thumbnails":[{"url":"https://i.ytimg.com/vi/nd0jfGcDUn8/hqdefault.jpg?sqp=-oaymwEiCKgBEF5IWvKriqkDFQgBFQAAAAAYASUAAMhCPQCAokN4AQ== rs=AOn4CLDPYu0pPui2YUg63nbrBb-BjRoHrQ","width":168,"height":94},{"url":"https://i.ytimg.com/vi/nd0jfGcDUn8/hqdefault.jpg?sqp=-oaymwEjCNACELwBSFryq4qpAxUIARUAAAAAGAElAADIQj0AgKJDeAE= rs=AOn4CLC2n-4KU2B57_ck8ooRm6ZJVJkcVg","width":336,"height":188}]},"title":{"accessibility":{"accessibilityData":{"label":"Chiffrement par transposition - Sécurité informatique (Partie 2) Cryptographie classique. door Astuces et tutoriels 18.442 weergaven 4 jaar geleden 8 minuten en 25 seconden"}},"simpleText":"Chiffrement par transposition - Sécurité informatique (Partie 2) Cryptographie classique."},"longBylineText":{"runs":[{"text":"Astuces et tutoriels","navigationEndpoint":{"clickTrackingParams":"CKsBEKQwGAAiEwizn7L6_KCKAxXMdnoFHQpEHacyB3JlbGF0ZWQ=","commandMetadata":{"webCommandMetadata":{"url":"/@astucesettutoriels6290","webPageType":"WEB_PAGE_TYPE_CHANNEL","rootVe":3611,"apiUrl":"/youtubei/v1/browse"}},"browseEndpoint":{"browseId":"UC5eP2l1AgnABfIIaIAYBtJg","canonicalBaseUrl":"/@astucesettutoriels6290"}}}]},"publishedTimeText":{"simpleText":"4 jaar geleden"},"viewCountText":{"simpleText":"18.442 weergaven"},"lengthText":{"accessibility":{"accessibilityData":{"label":"8 minuten en 25 seconden"}},"simpleText":"8:25"},"navigationEndpoint":{"clickTrackingParams":"CKsBEKQwGAAiEwizn7L6_KCKAxXMdnoFHQpEHacyB3JlbGF0ZWRInPLfp6jMweQkmgEFCAEQ-B0=","commandMetadata":{"webCommandMetadata":{"url":"/watch?v=nd0jfGcDUn8","webPageType":"WEB_PAGE_TYPE_WATCH","rootVe":3832}},"watchEndpoint":{"videoId":"nd0jfGcDUn8","nofollow":true,"watchEndpointSupportedOnesieConfig":{"html5PlaybackOnesieConfig":{"commonConfig":{"url":"https://rr4---sn-4g5edndk.googlevideo.com/initplayback?source=youtube oeis=1 c=WEB oad=3200 ovd=3200 oaad=11000 oavd=11000 ocs=700 oewis=1 oputc=1 ofpcc=1 msp=1 odepv=1 id=9ddd237c6703527f ip=217.12.208.230 mt=1733961327 oweuc= pxtags=Cg4KAnR4Egg1MTMzNzAwMQ rxtags=Cg4KAnR4Egg1MTMzNjk5OQ%2CCg4KAnR4Egg1MTMzNzAwMA%2CCg4KAnR4Egg1MTMzNzAwMQ"}}}}},"shortBylineText":{"runs":[{"text":"Astuces et tutoriels","navigationEndpoint":{"clickTrackingParams":"CKsBEKQwGAAiEwizn7L6_KCKAxXMdnoFHQpEHacyB3JlbGF0ZWQ=","commandMetadata":{"webCommandMetadata":{"url":"/@astucesettutoriels6290","webPageType":"WEB_PAGE_TYPE_CHANNEL","rootVe":3611,"apiUrl":"/youtubei/v1/browse"}},"browseEndpoint":{"browseId":"UC5eP2l1AgnABfIIaIAYBtJg","canonicalBaseUrl":"/@astucesettutoriels6290"}}}]},"channelThumbnail":{"thumbnails":[{"url":"https://yt3.ggpht.com/ytc/AIdro_lsKeG4yGL02Wy5k-b3tQ0zqeybVWQuFZZVEmpnYMmwgw=s68-c-k-c0x00ffffff-no-rj","width":68,"height":68}]},"trackingParams":"CKsBEKQwGAAiEwizn7L6_KCKAxXMdnoFHQpEHadA_6SNuMbvyO6dAQ==","shortViewCountText":{"accessibility":{"accessibilityData":{"label":"18 duizend weergaven"}},"simpleText":"18K weergaven"},"menu":{"menuRenderer":{"items":[{"menuServiceItemRenderer":{"text":{"runs":[{"text":"Toevoegen aan wachtrij"}]},"icon":{"iconType":"ADD_TO_QUEUE_TAIL"},"serviceEndpoint":{"clickTrackingParams":"CK8BEP6YBBgFIhMIs5-y-vygigMVzHZ6BR0KRB2n","commandMetadata":{"webCommandMetadata":{"sendPost":true}},"signalServiceEndpoint":{"signal":"CLIENT_SIGNAL","actions":[{"clickTrackingParams":"CK8BEP6YBBgFIhMIs5-y-vygigMVzHZ6BR0KRB2n","addToPlaylistCommand":{"openMiniplayer":false,"openListPanel":true,"videoId":"nd0jfGcDUn8","listType":"PLAYLIST_EDIT_LIST_TYPE_QUEUE","onCreateListCommand":{"clickTrackingParams":"CK8BEP6YBBgFIhMIs5-y-vygigMVzHZ6BR0KRB2n","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/playlist/create"}},"createPlaylistServiceEndpoint":{"videoIds":["nd0jfGcDUn8"],"params":"CAQ%3D"}},"videoIds":["nd0jfGcDUn8"]}},{"clickTrackingParams":"CK8BEP6YBBgFIhMIs5-y-vygigMVzHZ6BR0KRB2n","openPopupAction":{"popup":{"notificationActionRenderer":{"responseText":{"simpleText":"Toegevoegd aan wachtrij"},"trackingParams":"CLABELlqIhMIs5-y-vygigMVzHZ6BR0KRB2n"}},"popupType":"TOAST"}}]}},"trackingParams":"CK8BEP6YBBgFIhMIs5-y-vygigMVzHZ6BR0KRB2n"}},{"menuServiceItemRenderer":{"text":{"runs":[{"text":"Delen"}]},"icon":{"iconType":"SHARE"},"serviceEndpoint":{"clickTrackingParams":"CKsBEKQwGAAiEwizn7L6_KCKAxXMdnoFHQpEHac=","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/share/get_share_panel"}},"shareEntityServiceEndpoint":{"serializedShareEntity":"CgtuZDBqZkdjRFVuOA%3D%3D","commands":[{"clickTrackingParams":"CKsBEKQwGAAiEwizn7L6_KCKAxXMdnoFHQpEHac=","openPopupAction":{"popup":{"unifiedSharePanelRenderer":{"trackingParams":"CK4BEI5iIhMIs5-y-vygigMVzHZ6BR0KRB2n","showLoadingSpinner":true}},"popupType":"DIALOG","beReused":true}}]}},"trackingParams":"CKsBEKQwGAAiEwizn7L6_KCKAxXMdnoFHQpEHac=","hasSeparator":true}}],"trackingParams":"CKsBEKQwGAAiEwizn7L6_KCKAxXMdnoFHQpEHac=","accessibility":{"accessibilityData":{"label":"Actiemenu"}},"targetId":"watch-related-menu-button"}},"thumbnailOverlays":[{"thumbnailOverlayTimeStatusRenderer":{"text":{"accessibility":{"accessibilityData":{"label":"8 minuten en 25 seconden"}},"simpleText":"8:25"},"style":"DEFAULT"}},{"thumbnailOverlayToggleButtonRenderer":{"isToggled":false,"untoggledIcon":{"iconType":"WATCH_LATER"},"toggledIcon":{"iconType":"CHECK"},"untoggledTooltip":"Later bekijken","toggledTooltip":"Toegevoegd","untoggledServiceEndpoint":{"clickTrackingParams":"CK0BEPnnAxgBIhMIs5-y-vygigMVzHZ6BR0KRB2n","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/browse/edit_playlist"}},"playlistEditEndpoint":{"playlistId":"WL","actions":[{"addedVideoId":"nd0jfGcDUn8","action":"ACTION_ADD_VIDEO"}]}},"toggledServiceEndpoint":{"clickTrackingParams":"CK0BEPnnAxgBIhMIs5-y-vygigMVzHZ6BR0KRB2n","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/browse/edit_playlist"}},"playlistEditEndpoint":{"playlistId":"WL","actions":[{"action":"ACTION_REMOVE_VIDEO_BY_VIDEO_ID","removedVideoId":"nd0jfGcDUn8"}]}},"untoggledAccessibility":{"accessibilityData":{"label":"Later bekijken"}},"toggledAccessibility":{"accessibilityData":{"label":"Toegevoegd"}},"trackingParams":"CK0BEPnnAxgBIhMIs5-y-vygigMVzHZ6BR0KRB2n"}},{"thumbnailOverlayToggleButtonRenderer":{"untoggledIcon":{"iconType":"ADD_TO_QUEUE_TAIL"},"toggledIcon":{"iconType":"PLAYLIST_ADD_CHECK"},"untoggledTooltip":"Toevoegen aan wachtrij","toggledTooltip":"Toegevoegd","untoggledServiceEndpoint":{"clickTrackingParams":"CKwBEMfsBBgCIhMIs5-y-vygigMVzHZ6BR0KRB2n","commandMetadata":{"webCommandMetadata":{"sendPost":true}},"signalServiceEndpoint":{"signal":"CLIENT_SIGNAL","actions":[{"clickTrackingParams":"CKwBEMfsBBgCIhMIs5-y-vygigMVzHZ6BR0KRB2n","addToPlaylistCommand":{"openMiniplayer":false,"openListPanel":true,"videoId":"nd0jfGcDUn8","listType":"PLAYLIST_EDIT_LIST_TYPE_QUEUE","onCreateListCommand":{"clickTrackingParams":"CKwBEMfsBBgCIhMIs5-y-vygigMVzHZ6BR0KRB2n","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/playlist/create"}},"createPlaylistServiceEndpoint":{"videoIds":["nd0jfGcDUn8"],"params":"CAQ%3D"}},"videoIds":["nd0jfGcDUn8"]}}]}},"untoggledAccessibility":{"accessibilityData":{"label":"Toevoegen aan wachtrij"}},"toggledAccessibility":{"accessibilityData":{"label":"Toegevoegd"}},"trackingParams":"CKwBEMfsBBgCIhMIs5-y-vygigMVzHZ6BR0KRB2n"}},{"thumbnailOverlayNowPlayingRenderer":{"text":{"runs":[{"text":"Wordt nu afgespeeld"}]}}}],"accessibility":{"accessibilityData":{"label":"Chiffrement par transposition - Sécurité informatique (Partie 2) Cryptographie classique. - 8 minuten en 25 seconden - Naar kanaal gaan - Astuces et tutoriels - 18K weergaven - 4 jaar geleden - video afspelen"}}}},{"compactVideoRenderer":{"videoId":"Lx4SFPr-Dr4","thumbnail":{"thumbnails":[{"url":"https://i.ytimg.com/vi/Lx4SFPr-Dr4/hqdefault.jpg?sqp=-oaymwEiCKgBEF5IWvKriqkDFQgBFQAAAAAYASUAAMhCPQCAokN4AQ== rs=AOn4CLA7iJCClLK2vkmWapSaelYsv1lITg","width":168,"height":94},{"url":"https://i.ytimg.com/vi/Lx4SFPr-Dr4/hqdefault.jpg?sqp=-oaymwEjCNACELwBSFryq4qpAxUIARUAAAAAGAElAADIQj0AgKJDeAE= rs=AOn4CLDDGQ9HJNBJJal6HRTts1SXKM0crg","width":336,"height":188}]},"title":{"accessibility":{"accessibilityData":{"label":"Chiffrement de Hill door Prashenjit Saha 1.413 weergaven 1 jaar geleden 27 minuten"}},"simpleText":"Chiffrement de Hill"},"longBylineText":{"runs":[{"text":"Prashenjit Saha","navigationEndpoint":{"clickTrackingParams":"CKUBEKQwGAEiEwizn7L6_KCKAxXMdnoFHQpEHacyB3JlbGF0ZWQ=","commandMetadata":{"webCommandMetadata":{"url":"/@prashenjitsaha1675","webPageType":"WEB_PAGE_TYPE_CHANNEL","rootVe":3611,"apiUrl":"/youtubei/v1/browse"}},"browseEndpoint":{"browseId":"UCmF6PqBMZMjH09aFpttWDQA","canonicalBaseUrl":"/@prashenjitsaha1675"}}}]},"publishedTimeText":{"simpleText":"1 jaar geleden"},"viewCountText":{"simpleText":"1.413 weergaven"},"lengthText":{"accessibility":{"accessibilityData":{"label":"27 minuten en 3 seconden"}},"simpleText":"27:03"},"navigationEndpoint":{"clickTrackingParams":"CKUBEKQwGAEiEwizn7L6_KCKAxXMdnoFHQpEHacyB3JlbGF0ZWRInPLfp6jMweQkmgEFCAEQ-B0=","commandMetadata":{"webCommandMetadata":{"url":"/watch?v=Lx4SFPr-Dr4","webPageType":"WEB_PAGE_TYPE_WATCH","rootVe":3832}},"watchEndpoint":{"videoId":"Lx4SFPr-Dr4","nofollow":true,"watchEndpointSupportedOnesieConfig":{"html5PlaybackOnesieConfig":{"commonConfig":{"url":"https://rr4---sn-4g5edndr.googlevideo.com/initplayback?source=youtube oeis=1 c=WEB oad=3200 ovd=3200 oaad=11000 oavd=11000 ocs=700 oewis=1 oputc=1 ofpcc=1 msp=1 odepv=1 id=2f1e1214fafe0ebe ip=217.12.208.230 mt=1733961327 oweuc= pxtags=Cg4KAnR4Egg1MTMzNzAwMQ rxtags=Cg4KAnR4Egg1MTMzNjk5OQ%2CCg4KAnR4Egg1MTMzNzAwMA%2CCg4KAnR4Egg1MTMzNzAwMQ"}}}}},"shortBylineText":{"runs":[{"text":"Prashenjit Saha","navigationEndpoint":{"clickTrackingParams":"CKUBEKQwGAEiEwizn7L6_KCKAxXMdnoFHQpEHacyB3JlbGF0ZWQ=","commandMetadata":{"webCommandMetadata":{"url":"/@prashenjitsaha1675","webPageType":"WEB_PAGE_TYPE_CHANNEL","rootVe":3611,"apiUrl":"/youtubei/v1/browse"}},"browseEndpoint":{"browseId":"UCmF6PqBMZMjH09aFpttWDQA","canonicalBaseUrl":"/@prashenjitsaha1675"}}}]},"channelThumbnail":{"thumbnails":[{"url":"https://yt3.ggpht.com/ytc/AIdro_mPDoG_5utetUujrT_OpUCTQBMiwYp3PHTSxq3KpyB3CQ=s68-c-k-c0x00ffffff-no-rj","width":68,"height":68}]},"trackingParams":"CKUBEKQwGAEiEwizn7L6_KCKAxXMdnoFHQpEHadAvp3418_ChI8v","shortViewCountText":{"accessibility":{"accessibilityData":{"label":"1,4 duizend weergaven"}},"simpleText":"1,4K weergaven"},"menu":{"menuRenderer":{"items":[{"menuServiceItemRenderer":{"text":{"runs":[{"text":"Toevoegen aan wachtrij"}]},"icon":{"iconType":"ADD_TO_QUEUE_TAIL"},"serviceEndpoint":{"clickTrackingParams":"CKkBEP6YBBgFIhMIs5-y-vygigMVzHZ6BR0KRB2n","commandMetadata":{"webCommandMetadata":{"sendPost":true}},"signalServiceEndpoint":{"signal":"CLIENT_SIGNAL","actions":[{"clickTrackingParams":"CKkBEP6YBBgFIhMIs5-y-vygigMVzHZ6BR0KRB2n","addToPlaylistCommand":{"openMiniplayer":false,"openListPanel":true,"videoId":"Lx4SFPr-Dr4","listType":"PLAYLIST_EDIT_LIST_TYPE_QUEUE","onCreateListCommand":{"clickTrackingParams":"CKkBEP6YBBgFIhMIs5-y-vygigMVzHZ6BR0KRB2n","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/playlist/create"}},"createPlaylistServiceEndpoint":{"videoIds":["Lx4SFPr-Dr4"],"params":"CAQ%3D"}},"videoIds":["Lx4SFPr-Dr4"]}},{"clickTrackingParams":"CKkBEP6YBBgFIhMIs5-y-vygigMVzHZ6BR0KRB2n","openPopupAction":{"popup":{"notificationActionRenderer":{"responseText":{"simpleText":"Toegevoegd aan wachtrij"},"trackingParams":"CKoBELlqIhMIs5-y-vygigMVzHZ6BR0KRB2n"}},"popupType":"TOAST"}}]}},"trackingParams":"CKkBEP6YBBgFIhMIs5-y-vygigMVzHZ6BR0KRB2n"}},{"menuServiceItemRenderer":{"text":{"runs":[{"text":"Delen"}]},"icon":{"iconType":"SHARE"},"serviceEndpoint":{"clickTrackingParams":"CKUBEKQwGAEiEwizn7L6_KCKAxXMdnoFHQpEHac=","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/share/get_share_panel"}},"shareEntityServiceEndpoint":{"serializedShareEntity":"CgtMeDRTRlByLURyNA%3D%3D","commands":[{"clickTrackingParams":"CKUBEKQwGAEiEwizn7L6_KCKAxXMdnoFHQpEHac=","openPopupAction":{"popup":{"unifiedSharePanelRenderer":{"trackingParams":"CKgBEI5iIhMIs5-y-vygigMVzHZ6BR0KRB2n","showLoadingSpinner":true}},"popupType":"DIALOG","beReused":true}}]}},"trackingParams":"CKUBEKQwGAEiEwizn7L6_KCKAxXMdnoFHQpEHac=","hasSeparator":true}}],"trackingParams":"CKUBEKQwGAEiEwizn7L6_KCKAxXMdnoFHQpEHac=","accessibility":{"accessibilityData":{"label":"Actiemenu"}}}},"thumbnailOverlays":[{"thumbnailOverlayTimeStatusRenderer":{"text":{"accessibility":{"accessibilityData":{"label":"27 minuten en 3 seconden"}},"simpleText":"27:03"},"style":"DEFAULT"}},{"thumbnailOverlayToggleButtonRenderer":{"isToggled":false,"untoggledIcon":{"iconType":"WATCH_LATER"},"toggledIcon":{"iconType":"CHECK"},"untoggledTooltip":"Later bekijken","toggledTooltip":"Toegevoegd","untoggledServiceEndpoint":{"clickTrackingParams":"CKcBEPnnAxgBIhMIs5-y-vygigMVzHZ6BR0KRB2n","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/browse/edit_playlist"}},"playlistEditEndpoint":{"playlistId":"WL","actions":[{"addedVideoId":"Lx4SFPr-Dr4","action":"ACTION_ADD_VIDEO"}]}},"toggledServiceEndpoint":{"clickTrackingParams":"CKcBEPnnAxgBIhMIs5-y-vygigMVzHZ6BR0KRB2n","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/browse/edit_playlist"}},"playlistEditEndpoint":{"playlistId":"WL","actions":[{"action":"ACTION_REMOVE_VIDEO_BY_VIDEO_ID","removedVideoId":"Lx4SFPr-Dr4"}]}},"untoggledAccessibility":{"accessibilityData":{"label":"Later bekijken"}},"toggledAccessibility":{"accessibilityData":{"label":"Toegevoegd"}},"trackingParams":"CKcBEPnnAxgBIhMIs5-y-vygigMVzHZ6BR0KRB2n"}},{"thumbnailOverlayToggleButtonRenderer":{"untoggledIcon":{"iconType":"ADD_TO_QUEUE_TAIL"},"toggledIcon":{"iconType":"PLAYLIST_ADD_CHECK"},"untoggledTooltip":"Toevoegen aan wachtrij","toggledTooltip":"Toegevoegd","untoggledServiceEndpoint":{"clickTrackingParams":"CKYBEMfsBBgCIhMIs5-y-vygigMVzHZ6BR0KRB2n","commandMetadata":{"webCommandMetadata":{"sendPost":true}},"signalServiceEndpoint":{"signal":"CLIENT_SIGNAL","actions":[{"clickTrackingParams":"CKYBEMfsBBgCIhMIs5-y-vygigMVzHZ6BR0KRB2n","addToPlaylistCommand":{"openMiniplayer":false,"openListPanel":true,"videoId":"Lx4SFPr-Dr4","listType":"PLAYLIST_EDIT_LIST_TYPE_QUEUE","onCreateListCommand":{"clickTrackingParams":"CKYBEMfsBBgCIhMIs5-y-vygigMVzHZ6BR0KRB2n","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/playlist/create"}},"createPlaylistServiceEndpoint":{"videoIds":["Lx4SFPr-Dr4"],"params":"CAQ%3D"}},"videoIds":["Lx4SFPr-Dr4"]}}]}},"untoggledAccessibility":{"accessibilityData":{"label":"Toevoegen aan wachtrij"}},"toggledAccessibility":{"accessibilityData":{"label":"Toegevoegd"}},"trackingParams":"CKYBEMfsBBgCIhMIs5-y-vygigMVzHZ6BR0KRB2n"}},{"thumbnailOverlayNowPlayingRenderer":{"text":{"runs":[{"text":"Wordt nu afgespeeld"}]}}}],"accessibility":{"accessibilityData":{"label":"Chiffrement de Hill - 27 minuten - Naar kanaal gaan - Prashenjit Saha - 1,4K weergaven - 1 jaar geleden - video afspelen"}}}},{"compactVideoRenderer":{"videoId":"-KjFbTK1IIw","thumbnail":{"thumbnails":[{"url":"https://i.ytimg.com/vi/-KjFbTK1IIw/hqdefault.jpg?sqp=-oaymwEiCKgBEF5IWvKriqkDFQgBFQAAAAAYASUAAMhCPQCAokN4AQ== rs=AOn4CLDq9s9K5kVWmWRtUzk8xorc9kjmYw","width":168,"height":94},{"url":"https://i.ytimg.com/vi/-KjFbTK1IIw/hqdefault.jpg?sqp=-oaymwEjCNACELwBSFryq4qpAxUIARUAAAAAGAElAADIQj0AgKJDeAE= rs=AOn4CLDZYEk3X7nSnpsStW7bg1UegNGytg","width":336,"height":188}]},"title":{"accessibility":{"accessibilityData":{"label":"Playfair Cipher door Videos By Kevin 192.471 weergaven 6 jaar geleden 19 minuten"}},"simpleText":"Playfair Cipher"},"longBylineText":{"runs":[{"text":"Videos By Kevin","navigationEndpoint":{"clickTrackingParams":"CJ8BEKQwGAIiEwizn7L6_KCKAxXMdnoFHQpEHacyB3JlbGF0ZWQ=","commandMetadata":{"webCommandMetadata":{"url":"/@videosbykevin2938","webPageType":"WEB_PAGE_TYPE_CHANNEL","rootVe":3611,"apiUrl":"/youtubei/v1/browse"}},"browseEndpoint":{"browseId":"UCZliC69ghCkIa7nJ24_qT-w","canonicalBaseUrl":"/@videosbykevin2938"}}}]},"publishedTimeText":{"simpleText":"6 jaar geleden"},"viewCountText":{"simpleText":"192.471 weergaven"},"lengthText":{"accessibility":{"accessibilityData":{"label":"19 minuten en 18 seconden"}},"simpleText":"19:18"},"navigationEndpoint":{"clickTrackingParams":"CJ8BEKQwGAIiEwizn7L6_KCKAxXMdnoFHQpEHacyB3JlbGF0ZWRInPLfp6jMweQkmgEFCAEQ-B0=","commandMetadata":{"webCommandMetadata":{"url":"/watch?v=-KjFbTK1IIw","webPageType":"WEB_PAGE_TYPE_WATCH","rootVe":3832}},"watchEndpoint":{"videoId":"-KjFbTK1IIw","nofollow":true,"watchEndpointSupportedOnesieConfig":{"html5PlaybackOnesieConfig":{"commonConfig":{"url":"https://rr1---sn-4g5ednsz.googlevideo.com/initplayback?source=youtube oeis=1 c=WEB oad=3200 ovd=3200 oaad=11000 oavd=11000 ocs=700 oewis=1 oputc=1 ofpcc=1 msp=1 odepv=1 id=f8a8c56d32b5208c ip=217.12.208.230 mt=1733961327 oweuc= pxtags=Cg4KAnR4Egg1MTMzNzAwMQ rxtags=Cg4KAnR4Egg1MTMzNjk5OQ%2CCg4KAnR4Egg1MTMzNzAwMA%2CCg4KAnR4Egg1MTMzNzAwMQ"}}}}},"shortBylineText":{"runs":[{"text":"Videos By Kevin","navigationEndpoint":{"clickTrackingParams":"CJ8BEKQwGAIiEwizn7L6_KCKAxXMdnoFHQpEHacyB3JlbGF0ZWQ=","commandMetadata":{"webCommandMetadata":{"url":"/@videosbykevin2938","webPageType":"WEB_PAGE_TYPE_CHANNEL","rootVe":3611,"apiUrl":"/youtubei/v1/browse"}},"browseEndpoint":{"browseId":"UCZliC69ghCkIa7nJ24_qT-w","canonicalBaseUrl":"/@videosbykevin2938"}}}]},"channelThumbnail":{"thumbnails":[{"url":"https://yt3.ggpht.com/ytc/AIdro_mvCAU3scD-EjQsH2lwA5MCX6VfALLLRylkCIzjUV3vPg=s68-c-k-c0x00ffffff-no-rj","width":68,"height":68}]},"trackingParams":"CJ8BEKQwGAIiEwizn7L6_KCKAxXMdnoFHQpEHadAjMHUldOtsdT4AQ==","shortViewCountText":{"accessibility":{"accessibilityData":{"label":"192 duizend weergaven"}},"simpleText":"192K weergaven"},"menu":{"menuRenderer":{"items":[{"menuServiceItemRenderer":{"text":{"runs":[{"text":"Toevoegen aan wachtrij"}]},"icon":{"iconType":"ADD_TO_QUEUE_TAIL"},"serviceEndpoint":{"clickTrackingParams":"CKMBEP6YBBgFIhMIs5-y-vygigMVzHZ6BR0KRB2n","commandMetadata":{"webCommandMetadata":{"sendPost":true}},"signalServiceEndpoint":{"signal":"CLIENT_SIGNAL","actions":[{"clickTrackingParams":"CKMBEP6YBBgFIhMIs5-y-vygigMVzHZ6BR0KRB2n","addToPlaylistCommand":{"openMiniplayer":false,"openListPanel":true,"videoId":"-KjFbTK1IIw","listType":"PLAYLIST_EDIT_LIST_TYPE_QUEUE","onCreateListCommand":{"clickTrackingParams":"CKMBEP6YBBgFIhMIs5-y-vygigMVzHZ6BR0KRB2n","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/playlist/create"}},"createPlaylistServiceEndpoint":{"videoIds":["-KjFbTK1IIw"],"params":"CAQ%3D"}},"videoIds":["-KjFbTK1IIw"]}},{"clickTrackingParams":"CKMBEP6YBBgFIhMIs5-y-vygigMVzHZ6BR0KRB2n","openPopupAction":{"popup":{"notificationActionRenderer":{"responseText":{"simpleText":"Toegevoegd aan wachtrij"},"trackingParams":"CKQBELlqIhMIs5-y-vygigMVzHZ6BR0KRB2n"}},"popupType":"TOAST"}}]}},"trackingParams":"CKMBEP6YBBgFIhMIs5-y-vygigMVzHZ6BR0KRB2n"}},{"menuServiceItemRenderer":{"text":{"runs":[{"text":"Delen"}]},"icon":{"iconType":"SHARE"},"serviceEndpoint":{"clickTrackingParams":"CJ8BEKQwGAIiEwizn7L6_KCKAxXMdnoFHQpEHac=","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/share/get_share_panel"}},"shareEntityServiceEndpoint":{"serializedShareEntity":"CgstS2pGYlRLMUlJdw%3D%3D","commands":[{"clickTrackingParams":"CJ8BEKQwGAIiEwizn7L6_KCKAxXMdnoFHQpEHac=","openPopupAction":{"popup":{"unifiedSharePanelRenderer":{"trackingParams":"CKIBEI5iIhMIs5-y-vygigMVzHZ6BR0KRB2n","showLoadingSpinner":true}},"popupType":"DIALOG","beReused":true}}]}},"trackingParams":"CJ8BEKQwGAIiEwizn7L6_KCKAxXMdnoFHQpEHac=","hasSeparator":true}}],"trackingParams":"CJ8BEKQwGAIiEwizn7L6_KCKAxXMdnoFHQpEHac=","accessibility":{"accessibilityData":{"label":"Actiemenu"}}}},"thumbnailOverlays":[{"thumbnailOverlayTimeStatusRenderer":{"text":{"accessibility":{"accessibilityData":{"label":"19 minuten en 18 seconden"}},"simpleText":"19:18"},"style":"DEFAULT"}},{"thumbnailOverlayToggleButtonRenderer":{"isToggled":false,"untoggledIcon":{"iconType":"WATCH_LATER"},"toggledIcon":{"iconType":"CHECK"},"untoggledTooltip":"Later bekijken","toggledTooltip":"Toegevoegd","untoggledServiceEndpoint":{"clickTrackingParams":"CKEBEPnnAxgBIhMIs5-y-vygigMVzHZ6BR0KRB2n","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/browse/edit_playlist"}},"playlistEditEndpoint":{"playlistId":"WL","actions":[{"addedVideoId":"-KjFbTK1IIw","action":"ACTION_ADD_VIDEO"}]}},"toggledServiceEndpoint":{"clickTrackingParams":"CKEBEPnnAxgBIhMIs5-y-vygigMVzHZ6BR0KRB2n","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/browse/edit_playlist"}},"playlistEditEndpoint":{"playlistId":"WL","actions":[{"action":"ACTION_REMOVE_VIDEO_BY_VIDEO_ID","removedVideoId":"-KjFbTK1IIw"}]}},"untoggledAccessibility":{"accessibilityData":{"label":"Later bekijken"}},"toggledAccessibility":{"accessibilityData":{"label":"Toegevoegd"}},"trackingParams":"CKEBEPnnAxgBIhMIs5-y-vygigMVzHZ6BR0KRB2n"}},{"thumbnailOverlayToggleButtonRenderer":{"untoggledIcon":{"iconType":"ADD_TO_QUEUE_TAIL"},"toggledIcon":{"iconType":"PLAYLIST_ADD_CHECK"},"untoggledTooltip":"Toevoegen aan wachtrij","toggledTooltip":"Toegevoegd","untoggledServiceEndpoint":{"clickTrackingParams":"CKABEMfsBBgCIhMIs5-y-vygigMVzHZ6BR0KRB2n","commandMetadata":{"webCommandMetadata":{"sendPost":true}},"signalServiceEndpoint":{"signal":"CLIENT_SIGNAL","actions":[{"clickTrackingParams":"CKABEMfsBBgCIhMIs5-y-vygigMVzHZ6BR0KRB2n","addToPlaylistCommand":{"openMiniplayer":false,"openListPanel":true,"videoId":"-KjFbTK1IIw","listType":"PLAYLIST_EDIT_LIST_TYPE_QUEUE","onCreateListCommand":{"clickTrackingParams":"CKABEMfsBBgCIhMIs5-y-vygigMVzHZ6BR0KRB2n","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/playlist/create"}},"createPlaylistServiceEndpoint":{"videoIds":["-KjFbTK1IIw"],"params":"CAQ%3D"}},"videoIds":["-KjFbTK1IIw"]}}]}},"untoggledAccessibility":{"accessibilityData":{"label":"Toevoegen aan wachtrij"}},"toggledAccessibility":{"accessibilityData":{"label":"Toegevoegd"}},"trackingParams":"CKABEMfsBBgCIhMIs5-y-vygigMVzHZ6BR0KRB2n"}},{"thumbnailOverlayNowPlayingRenderer":{"text":{"runs":[{"text":"Wordt nu afgespeeld"}]}}}],"accessibility":{"accessibilityData":{"label":"Playfair Cipher - 19 minuten - Naar kanaal gaan - Videos By Kevin - 192K weergaven - 6 jaar geleden - video afspelen"}}}},{"compactVideoRenderer":{"videoId":"INhO_hNckt0","thumbnail":{"thumbnails":[{"url":"https://i.ytimg.com/vi/INhO_hNckt0/hqdefault.jpg?sqp=-oaymwEiCKgBEF5IWvKriqkDFQgBFQAAAAAYASUAAMhCPQCAokN4AQ== rs=AOn4CLBxKWIRRTxrOi756q3zThk2StO3dw","width":168,"height":94},{"url":"https://i.ytimg.com/vi/INhO_hNckt0/hqdefault.jpg?sqp=-oaymwEjCNACELwBSFryq4qpAxUIARUAAAAAGAElAADIQj0AgKJDeAE= rs=AOn4CLBa3r_tHHHJYOyUam8zKKGR_skhkA","width":336,"height":188}]},"title":{"accessibility":{"accessibilityData":{"label":"chiffrement de César - Sécurité informatique (partie 2) Cryptographie classique door Astuces et tutoriels 26.541 weergaven 4 jaar geleden 8 minuten en 5 seconden"}},"simpleText":"chiffrement de César - Sécurité informatique (partie 2) Cryptographie classique"},"longBylineText":{"runs":[{"text":"Astuces et tutoriels","navigationEndpoint":{"clickTrackingParams":"CJkBEKQwGAMiEwizn7L6_KCKAxXMdnoFHQpEHacyB3JlbGF0ZWQ=","commandMetadata":{"webCommandMetadata":{"url":"/@astucesettutoriels6290","webPageType":"WEB_PAGE_TYPE_CHANNEL","rootVe":3611,"apiUrl":"/youtubei/v1/browse"}},"browseEndpoint":{"browseId":"UC5eP2l1AgnABfIIaIAYBtJg","canonicalBaseUrl":"/@astucesettutoriels6290"}}}]},"publishedTimeText":{"simpleText":"4 jaar geleden"},"viewCountText":{"simpleText":"26.541 weergaven"},"lengthText":{"accessibility":{"accessibilityData":{"label":"8 minuten en 5 seconden"}},"simpleText":"8:05"},"navigationEndpoint":{"clickTrackingParams":"CJkBEKQwGAMiEwizn7L6_KCKAxXMdnoFHQpEHacyB3JlbGF0ZWRInPLfp6jMweQkmgEFCAEQ-B0=","commandMetadata":{"webCommandMetadata":{"url":"/watch?v=INhO_hNckt0","webPageType":"WEB_PAGE_TYPE_WATCH","rootVe":3832}},"watchEndpoint":{"videoId":"INhO_hNckt0","nofollow":true,"watchEndpointSupportedOnesieConfig":{"html5PlaybackOnesieConfig":{"commonConfig":{"url":"https://rr3---sn-4g5edndz.googlevideo.com/initplayback?source=youtube oeis=1 c=WEB oad=3200 ovd=3200 oaad=11000 oavd=11000 ocs=700 oewis=1 oputc=1 ofpcc=1 msp=1 odepv=1 id=20d84efe135c92dd ip=217.12.208.230 mt=1733961327 oweuc= pxtags=Cg4KAnR4Egg1MTMzNzAwMQ rxtags=Cg4KAnR4Egg1MTMzNjk5OQ%2CCg4KAnR4Egg1MTMzNzAwMA%2CCg4KAnR4Egg1MTMzNzAwMQ"}}}}},"shortBylineText":{"runs":[{"text":"Astuces et tutoriels","navigationEndpoint":{"clickTrackingParams":"CJkBEKQwGAMiEwizn7L6_KCKAxXMdnoFHQpEHacyB3JlbGF0ZWQ=","commandMetadata":{"webCommandMetadata":{"url":"/@astucesettutoriels6290","webPageType":"WEB_PAGE_TYPE_CHANNEL","rootVe":3611,"apiUrl":"/youtubei/v1/browse"}},"browseEndpoint":{"browseId":"UC5eP2l1AgnABfIIaIAYBtJg","canonicalBaseUrl":"/@astucesettutoriels6290"}}}]},"channelThumbnail":{"thumbnails":[{"url":"https://yt3.ggpht.com/ytc/AIdro_lsKeG4yGL02Wy5k-b3tQ0zqeybVWQuFZZVEmpnYMmwgw=s68-c-k-c0x00ffffff-no-rj","width":68,"height":68}]},"trackingParams":"CJkBEKQwGAMiEwizn7L6_KCKAxXMdnoFHQpEHadA3aXymuHfk-wg","shortViewCountText":{"accessibility":{"accessibilityData":{"label":"26 duizend weergaven"}},"simpleText":"26K weergaven"},"menu":{"menuRenderer":{"items":[{"menuServiceItemRenderer":{"text":{"runs":[{"text":"Toevoegen aan wachtrij"}]},"icon":{"iconType":"ADD_TO_QUEUE_TAIL"},"serviceEndpoint":{"clickTrackingParams":"CJ0BEP6YBBgFIhMIs5-y-vygigMVzHZ6BR0KRB2n","commandMetadata":{"webCommandMetadata":{"sendPost":true}},"signalServiceEndpoint":{"signal":"CLIENT_SIGNAL","actions":[{"clickTrackingParams":"CJ0BEP6YBBgFIhMIs5-y-vygigMVzHZ6BR0KRB2n","addToPlaylistCommand":{"openMiniplayer":false,"openListPanel":true,"videoId":"INhO_hNckt0","listType":"PLAYLIST_EDIT_LIST_TYPE_QUEUE","onCreateListCommand":{"clickTrackingParams":"CJ0BEP6YBBgFIhMIs5-y-vygigMVzHZ6BR0KRB2n","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/playlist/create"}},"createPlaylistServiceEndpoint":{"videoIds":["INhO_hNckt0"],"params":"CAQ%3D"}},"videoIds":["INhO_hNckt0"]}},{"clickTrackingParams":"CJ0BEP6YBBgFIhMIs5-y-vygigMVzHZ6BR0KRB2n","openPopupAction":{"popup":{"notificationActionRenderer":{"responseText":{"simpleText":"Toegevoegd aan wachtrij"},"trackingParams":"CJ4BELlqIhMIs5-y-vygigMVzHZ6BR0KRB2n"}},"popupType":"TOAST"}}]}},"trackingParams":"CJ0BEP6YBBgFIhMIs5-y-vygigMVzHZ6BR0KRB2n"}},{"menuServiceItemRenderer":{"text":{"runs":[{"text":"Delen"}]},"icon":{"iconType":"SHARE"},"serviceEndpoint":{"clickTrackingParams":"CJkBEKQwGAMiEwizn7L6_KCKAxXMdnoFHQpEHac=","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/share/get_share_panel"}},"shareEntityServiceEndpoint":{"serializedShareEntity":"CgtJTmhPX2hOY2t0MA%3D%3D","commands":[{"clickTrackingParams":"CJkBEKQwGAMiEwizn7L6_KCKAxXMdnoFHQpEHac=","openPopupAction":{"popup":{"unifiedSharePanelRenderer":{"trackingParams":"CJwBEI5iIhMIs5-y-vygigMVzHZ6BR0KRB2n","showLoadingSpinner":true}},"popupType":"DIALOG","beReused":true}}]}},"trackingParams":"CJkBEKQwGAMiEwizn7L6_KCKAxXMdnoFHQpEHac=","hasSeparator":true}}],"trackingParams":"CJkBEKQwGAMiEwizn7L6_KCKAxXMdnoFHQpEHac=","accessibility":{"accessibilityData":{"label":"Actiemenu"}}}},"thumbnailOverlays":[{"thumbnailOverlayTimeStatusRenderer":{"text":{"accessibility":{"accessibilityData":{"label":"8 minuten en 5 seconden"}},"simpleText":"8:05"},"style":"DEFAULT"}},{"thumbnailOverlayToggleButtonRenderer":{"isToggled":false,"untoggledIcon":{"iconType":"WATCH_LATER"},"toggledIcon":{"iconType":"CHECK"},"untoggledTooltip":"Later bekijken","toggledTooltip":"Toegevoegd","untoggledServiceEndpoint":{"clickTrackingParams":"CJsBEPnnAxgBIhMIs5-y-vygigMVzHZ6BR0KRB2n","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/browse/edit_playlist"}},"playlistEditEndpoint":{"playlistId":"WL","actions":[{"addedVideoId":"INhO_hNckt0","action":"ACTION_ADD_VIDEO"}]}},"toggledServiceEndpoint":{"clickTrackingParams":"CJsBEPnnAxgBIhMIs5-y-vygigMVzHZ6BR0KRB2n","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/browse/edit_playlist"}},"playlistEditEndpoint":{"playlistId":"WL","actions":[{"action":"ACTION_REMOVE_VIDEO_BY_VIDEO_ID","removedVideoId":"INhO_hNckt0"}]}},"untoggledAccessibility":{"accessibilityData":{"label":"Later bekijken"}},"toggledAccessibility":{"accessibilityData":{"label":"Toegevoegd"}},"trackingParams":"CJsBEPnnAxgBIhMIs5-y-vygigMVzHZ6BR0KRB2n"}},{"thumbnailOverlayToggleButtonRenderer":{"untoggledIcon":{"iconType":"ADD_TO_QUEUE_TAIL"},"toggledIcon":{"iconType":"PLAYLIST_ADD_CHECK"},"untoggledTooltip":"Toevoegen aan wachtrij","toggledTooltip":"Toegevoegd","untoggledServiceEndpoint":{"clickTrackingParams":"CJoBEMfsBBgCIhMIs5-y-vygigMVzHZ6BR0KRB2n","commandMetadata":{"webCommandMetadata":{"sendPost":true}},"signalServiceEndpoint":{"signal":"CLIENT_SIGNAL","actions":[{"clickTrackingParams":"CJoBEMfsBBgCIhMIs5-y-vygigMVzHZ6BR0KRB2n","addToPlaylistCommand":{"openMiniplayer":false,"openListPanel":true,"videoId":"INhO_hNckt0","listType":"PLAYLIST_EDIT_LIST_TYPE_QUEUE","onCreateListCommand":{"clickTrackingParams":"CJoBEMfsBBgCIhMIs5-y-vygigMVzHZ6BR0KRB2n","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/playlist/create"}},"createPlaylistServiceEndpoint":{"videoIds":["INhO_hNckt0"],"params":"CAQ%3D"}},"videoIds":["INhO_hNckt0"]}}]}},"untoggledAccessibility":{"accessibilityData":{"label":"Toevoegen aan wachtrij"}},"toggledAccessibility":{"accessibilityData":{"label":"Toegevoegd"}},"trackingParams":"CJoBEMfsBBgCIhMIs5-y-vygigMVzHZ6BR0KRB2n"}},{"thumbnailOverlayNowPlayingRenderer":{"text":{"runs":[{"text":"Wordt nu afgespeeld"}]}}}],"accessibility":{"accessibilityData":{"label":"chiffrement de César - Sécurité informatique (partie 2) Cryptographie classique - 8 minuten en 5 seconden - Naar kanaal gaan - Astuces et tutoriels - 26K weergaven - 4 jaar geleden - video afspelen"}}}},{"lockupViewModel":{"contentImage":{"collectionThumbnailViewModel":{"primaryThumbnail":{"thumbnailViewModel":{"image":{"sources":[{"url":"https://i.ytimg.com/vi/GzYOZdDRIPw/hqdefault.jpg?sqp=-oaymwEWCKgBEF5IWvKriqkDCQgBFQAAiEIYAQ== rs=AOn4CLDQBfXJeNA-NHZfX1AgZGyKanOnpw","width":168,"height":94},{"url":"https://i.ytimg.com/vi/GzYOZdDRIPw/hqdefault.jpg?sqp=-oaymwEXCNACELwBSFryq4qpAwkIARUAAIhCGAE= rs=AOn4CLBSR_LEl5Z6YV4ud-tXbVi6Zhw4nw","width":336,"height":188}]},"overlays":[{"thumbnailOverlayBadgeViewModel":{"thumbnailBadges":[{"thumbnailBadgeViewModel":{"icon":{"sources":[{"clientResource":{"imageName":"PLAYLISTS"}}]},"text":"8 video's","badgeStyle":"THUMBNAIL_OVERLAY_BADGE_STYLE_DEFAULT","backgroundColor":{"lightTheme":661555,"darkTheme":661555}}}],"position":"THUMBNAIL_OVERLAY_BADGE_POSITION_BOTTOM_END"}},{"thumbnailHoverOverlayViewModel":{"icon":{"sources":[{"clientResource":{"imageName":"PLAY_ALL"}}]},"text":{"content":"Alles afspelen","styleRuns":[{"startIndex":0,"length":14}]},"style":"THUMBNAIL_HOVER_OVERLAY_STYLE_COVER"}}],"backgroundColor":{"lightTheme":1190745,"darkTheme":1190745}}},"stackColor":{"lightTheme":7043993,"darkTheme":7766163}}},"metadata":{"lockupMetadataViewModel":{"title":{"content":"Sécurité informatique Partie 2"},"metadata":{"contentMetadataViewModel":{"metadataRows":[{"metadataParts":[{"text":{"content":"Astuces et tutoriels
#############################