{"id":335,"date":"2021-01-18T00:03:18","date_gmt":"2021-01-18T00:03:18","guid":{"rendered":"https:\/\/www.cybermosaic.co.uk\/?p=335"},"modified":"2021-01-21T00:06:46","modified_gmt":"2021-01-21T00:06:46","slug":"your-safety-number-has-changed-everyone-is-joining-signal","status":"publish","type":"post","link":"https:\/\/www.cybermosaic.co.uk\/?p=335","title":{"rendered":"Your Safety Number Has Changed. Everyone is Joining Signal!"},"content":{"rendered":"<p>With the recent rush of people joining alternative messaging services, following the WhatsApp privacy policy update, I thought I&#8217;d take a look at how the signal protocol works. Luckily I didn&#8217;t need to look far as the good folks at Computerfile have already created some excellent explanatory videos.<\/p>\n<p>It provides the answers to the questions:<\/p>\n<p>How does end to end encryption work even when the message recipient isn&#8217;t online?<br \/>\nWhat does it mean when I get &#8220;your safety number has changed&#8221; from a trusted contact?<br \/>\nHow do group chats preserve security?<\/p>\n<p><iframe title=\"How Signal Instant Messaging Protocol Works (&amp; WhatsApp etc) - Computerphile\" width=\"840\" height=\"473\" src=\"https:\/\/www.youtube.com\/embed\/DXv1boalsDI?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>The rest of the story&#8230;<\/p>\n<p><iframe title=\"Double Ratchet Messaging Encryption - Computerphile\" width=\"840\" height=\"473\" src=\"https:\/\/www.youtube.com\/embed\/9sO2qdTci-s?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>And group messaging&#8230;..<\/p>\n<p><iframe title=\"What&#039;s Up With Group Messaging? - Computerphile\" width=\"840\" height=\"473\" src=\"https:\/\/www.youtube.com\/embed\/Q0_lcKrUdWg?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>With the recent rush of people joining alternative messaging services, following the WhatsApp privacy policy update, I thought I&#8217;d take a look at how the signal protocol works. Luckily I didn&#8217;t need to look far as the good folks at Computerfile have already created some excellent explanatory videos. It provides the answers to the questions: [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[6],"tags":[18,17],"class_list":["post-335","post","type-post","status-publish","format-standard","hentry","category-sec","tag-encryption","tag-signal"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.cybermosaic.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/335","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cybermosaic.co.uk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cybermosaic.co.uk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cybermosaic.co.uk\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cybermosaic.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=335"}],"version-history":[{"count":1,"href":"https:\/\/www.cybermosaic.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/335\/revisions"}],"predecessor-version":[{"id":336,"href":"https:\/\/www.cybermosaic.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/335\/revisions\/336"}],"wp:attachment":[{"href":"https:\/\/www.cybermosaic.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=335"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cybermosaic.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=335"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cybermosaic.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=335"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}