{"id":835,"date":"2020-09-07T06:34:43","date_gmt":"2020-09-07T06:34:43","guid":{"rendered":"http:\/\/learnlearn.uk\/alevelcs\/?page_id=835"},"modified":"2021-02-02T15:48:49","modified_gmt":"2021-02-02T15:48:49","slug":"protocols-a-level","status":"publish","type":"page","link":"https:\/\/learnlearn.uk\/alevelcs\/protocols-a-level\/","title":{"rendered":"Protocols ( A Level)"},"content":{"rendered":"<div class=\"responsive-tabs\">\n<h2 class=\"tabtitle\">SSL<\/h2>\n<div class=\"tabcontent\">\n\n<h3>Secure Sockets Layer<\/h3>\n<p>Developed by Netscape for their browser<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n\n<\/div><h2 class=\"tabtitle\">TLS<\/h2>\n<div class=\"tabcontent\">\n\n<h3>Transport Layer Security<\/h3>\n<p>Developed by a working group, based on SSL Version 3.1<\/p>\n<p>Cryptographic Protocol used for HTTP and non-HTTP traffic.<\/p>\n<p><strong>TLS Video<\/strong><\/p>\n<div class=\"nv-iframe-embed\">\n<div class=\"container-lazyload preview-lazyload container-youtube js-lazyload--not-loaded\"><a href=\"https:\/\/www.youtube.com\/watch?v=0TLDTodL7Lc\" class=\"lazy-load-youtube preview-lazyload preview-youtube\" data-video-title=\"Transport Layer Security (TLS) - Computerphile\" title=\"Play video &quot;Transport Layer Security (TLS) - Computerphile&quot;\">https:\/\/www.youtube.com\/watch?v=0TLDTodL7Lc<\/a><noscript>Video can&#8217;t be loaded because JavaScript is disabled: <a href=\"https:\/\/www.youtube.com\/watch?v=0TLDTodL7Lc\" title=\"Transport Layer Security (TLS) - Computerphile\">Transport Layer Security (TLS) &#8211; Computerphile (https:\/\/www.youtube.com\/watch?v=0TLDTodL7Lc)<\/a><\/noscript><\/div>\n<\/div>\n<p><strong>TLS Handshake<\/strong><\/p>\n<div class=\"nv-iframe-embed\">\n<div class=\"container-lazyload preview-lazyload container-youtube js-lazyload--not-loaded\"><a href=\"https:\/\/www.youtube.com\/watch?v=86cQJ0MMses\" class=\"lazy-load-youtube preview-lazyload preview-youtube\" data-video-title=\"TLS Handshake Explained - Computerphile\" title=\"Play video &quot;TLS Handshake Explained - Computerphile&quot;\">https:\/\/www.youtube.com\/watch?v=86cQJ0MMses<\/a><noscript>Video can&#8217;t be loaded because JavaScript is disabled: <a href=\"https:\/\/www.youtube.com\/watch?v=86cQJ0MMses\" title=\"TLS Handshake Explained - Computerphile\">TLS Handshake Explained &#8211; Computerphile (https:\/\/www.youtube.com\/watch?v=86cQJ0MMses)<\/a><\/noscript><\/div>\n<\/div>\n\n<\/div><h2 class=\"tabtitle\">SSL Certificates<\/h2>\n<div class=\"tabcontent\">\n\n<h3>SSL Certificates<\/h3>\n<div class=\"nv-iframe-embed\">\n<div class=\"container-lazyload preview-lazyload container-youtube js-lazyload--not-loaded\"><a href=\"https:\/\/youtu.be\/33VYnE7Bzpk\" class=\"lazy-load-youtube preview-lazyload preview-youtube\" data-video-title=\"How SSL certificate works?\" title=\"Play video &quot;How SSL certificate works?&quot;\">https:\/\/youtu.be\/33VYnE7Bzpk<\/a><noscript>Video can&#8217;t be loaded because JavaScript is disabled: <a href=\"https:\/\/youtu.be\/33VYnE7Bzpk\" title=\"How SSL certificate works?\">How SSL certificate works? (https:\/\/youtu.be\/33VYnE7Bzpk)<\/a><\/noscript><\/div>\n<\/div>\n<p><a href=\"https:\/\/www.ssl.com\/article\/browsers-and-certificate-validation\/\">Detailed process\u00a0<\/a><\/p>\n\n<\/div><h2 class=\"tabtitle\">Digital Signatures<\/h2>\n<div class=\"tabcontent\">\n\n<p>&nbsp;<\/p>\n<p>Digital certificates are not just used for SSL encryption, they can also be used to verify emails and documents sent from person to person through the use of a digital signature.<\/p>\n<p>TLS \/ SSL certificate<\/p>\n<p>Email Certificate<\/p>\n<p>Digital Signature<\/p>\n<p>Code Signing Certificate<\/p>\n\n<\/div><h2 class=\"tabtitle\">Resources<\/h2>\n<div class=\"tabcontent\">\n\n<h3>Resources<\/h3>\n<p><a href=\"https:\/\/www.cambridgeinternational.org\/Images\/285023-topic-3.2.1-protocols-9608-.pdf\">CIE Resource<\/a><\/p>\n<p><a href=\"https:\/\/www.youtube.com\/watch?v=1dOCHwf8zVQ\">Heartbleed Bug<\/a><\/p>\n<p><a href=\"https:\/\/docs.google.com\/presentation\/d\/1CUKe1cctmW3YDoky9KnJlrkFEeWM494KCfDvzPFA5nw\/edit?usp=sharing\">Teacher Presentation<\/a><\/p>\n<p><strong>Past Paper Questions<\/strong><\/p>\n<p>S16 31 Qn 2<\/p>\n<p>N16 31 Qn 6<\/p>\n<p>S17 31 Qn 2c<\/p>\n<p>N17 31 Qn 4<\/p>\n<p>M19 31 Qn5<\/p>\n<p>N19 31 Qn 8<\/p>\n<p>S20 Qn8<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Secure Sockets Layer Developed by Netscape for their browser &nbsp; &nbsp; &nbsp; Transport Layer Security Developed by a working group, based on SSL Version 3.1 Cryptographic Protocol used for HTTP and non-HTTP traffic. TLS Video https:\/\/www.youtube.com\/watch?v=0TLDTodL7LcVideo can&#8217;t be loaded because JavaScript is disabled: Transport Layer Security (TLS) &#8211; Computerphile (https:\/\/www.youtube.com\/watch?v=0TLDTodL7Lc) TLS Handshake https:\/\/www.youtube.com\/watch?v=86cQJ0MMsesVideo can&#8217;t be&hellip;&nbsp;<a href=\"https:\/\/learnlearn.uk\/alevelcs\/protocols-a-level\/\" class=\"\" rel=\"bookmark\">Read More &raquo;<span class=\"screen-reader-text\">Protocols ( A Level)<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":70,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Protocols ( A Level) - A Level Computer Science<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/learnlearn.uk\/alevelcs\/protocols-a-level\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Protocols ( A Level) - A Level Computer Science\" \/>\n<meta property=\"og:description\" content=\"Secure Sockets Layer Developed by Netscape for their browser &nbsp; &nbsp; &nbsp; Transport Layer Security Developed by a working group, based on SSL Version 3.1 Cryptographic Protocol used for HTTP and non-HTTP traffic. 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TLS Video https:\/\/www.youtube.com\/watch?v=0TLDTodL7LcVideo can&#8217;t be loaded because JavaScript is disabled: Transport Layer Security (TLS) &#8211; Computerphile (https:\/\/www.youtube.com\/watch?v=0TLDTodL7Lc) TLS Handshake https:\/\/www.youtube.com\/watch?v=86cQJ0MMsesVideo can&#8217;t be&hellip;&nbsp;Read&hellip;","_links":{"self":[{"href":"https:\/\/learnlearn.uk\/alevelcs\/wp-json\/wp\/v2\/pages\/835"}],"collection":[{"href":"https:\/\/learnlearn.uk\/alevelcs\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/learnlearn.uk\/alevelcs\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/learnlearn.uk\/alevelcs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/learnlearn.uk\/alevelcs\/wp-json\/wp\/v2\/comments?post=835"}],"version-history":[{"count":7,"href":"https:\/\/learnlearn.uk\/alevelcs\/wp-json\/wp\/v2\/pages\/835\/revisions"}],"predecessor-version":[{"id":1496,"href":"https:\/\/learnlearn.uk\/alevelcs\/wp-json\/wp\/v2\/pages\/835\/revisions\/1496"}],"wp:attachment":[{"href":"https:\/\/learnlearn.uk\/alevelcs\/wp-json\/wp\/v2\/media?parent=835"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}