{"id":5160,"date":"2018-10-04T12:45:46","date_gmt":"2018-10-04T12:45:46","guid":{"rendered":"http:\/\/headendinfo.com\/?p=5160"},"modified":"2018-10-04T15:33:25","modified_gmt":"2018-10-04T15:33:25","slug":"dvb-csa","status":"publish","type":"post","link":"https:\/\/headendinfo.com\/dvb-csa\/","title":{"rendered":"DVB CSA  Digital Video Broadcasting Common Scrambling Algorithm"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"5177\" data-permalink=\"https:\/\/headendinfo.com\/dvb-csa\/dvb-csa-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/headendinfo.com\/wp-content\/uploads\/2018\/10\/dvb-csa.jpg?fit=200%2C200&amp;ssl=1\" data-orig-size=\"200,200\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"dvb csa\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/i0.wp.com\/headendinfo.com\/wp-content\/uploads\/2018\/10\/dvb-csa.jpg?fit=200%2C200&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/headendinfo.com\/wp-content\/uploads\/2018\/10\/dvb-csa.jpg?fit=200%2C200&amp;ssl=1\" class=\"size-full wp-image-5177 aligncenter\" src=\"https:\/\/i0.wp.com\/headendinfo.com\/wp-content\/uploads\/2018\/10\/dvb-csa.jpg?resize=200%2C200&#038;ssl=1\" alt=\"dvb csa\" width=\"200\" height=\"200\" srcset=\"https:\/\/i0.wp.com\/headendinfo.com\/wp-content\/uploads\/2018\/10\/dvb-csa.jpg?w=200&amp;ssl=1 200w, https:\/\/i0.wp.com\/headendinfo.com\/wp-content\/uploads\/2018\/10\/dvb-csa.jpg?resize=65%2C65&amp;ssl=1 65w\" sizes=\"(max-width: 200px) 100vw, 200px\" data-recalc-dims=\"1\" \/><\/p>\n<h2 class=\"BWS\">Introduction Of DVB CSA<\/h2>\n<p style=\"text-align: justify;\">Before reading the article we need to have some basic knowledge of cryptography. Likewise cipher sometimes it is also called cypher. So cipher is an algorithm used for the encryption or decryption. This algorithm is applied to element of data to convert it in code for security.<\/p>\n<p style=\"text-align: justify;\">So now in this article we will discuss about what is DVB CSA and how does DVB CSA works.<\/p>\n<h2 class=\"BWS\">What Is DVB CSA<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"5183\" data-permalink=\"https:\/\/headendinfo.com\/dvb-csa\/cyber-security-3400657_640\/\" data-orig-file=\"https:\/\/i0.wp.com\/headendinfo.com\/wp-content\/uploads\/2018\/10\/cyber-security-3400657_640.jpg?fit=640%2C384&amp;ssl=1\" data-orig-size=\"640,384\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"wha is dvb csa\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/i0.wp.com\/headendinfo.com\/wp-content\/uploads\/2018\/10\/cyber-security-3400657_640.jpg?fit=300%2C180&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/headendinfo.com\/wp-content\/uploads\/2018\/10\/cyber-security-3400657_640.jpg?fit=640%2C384&amp;ssl=1\" class=\"aligncenter wp-image-5183 size-medium\" src=\"https:\/\/i0.wp.com\/headendinfo.com\/wp-content\/uploads\/2018\/10\/cyber-security-3400657_640.jpg?resize=300%2C180&#038;ssl=1\" alt=\"wha is dvb csa\" width=\"300\" height=\"180\" srcset=\"https:\/\/i0.wp.com\/headendinfo.com\/wp-content\/uploads\/2018\/10\/cyber-security-3400657_640.jpg?resize=300%2C180&amp;ssl=1 300w, https:\/\/i0.wp.com\/headendinfo.com\/wp-content\/uploads\/2018\/10\/cyber-security-3400657_640.jpg?w=640&amp;ssl=1 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" data-recalc-dims=\"1\" \/><\/p><div class=\"bba6f1db18961c49ef4d9557fa67f690\" data-index=\"1\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-2973621680462010\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2973621680462010\"\r\n     data-ad-slot=\"4191203823\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n\n<p style=\"text-align: justify;\"><strong>DVB CSA<\/strong> is acronym for <strong>Digital Video Broadcasting Common Scrambling Algorithm<\/strong>.\u00a0Common Scrambling Algorithm was introduced by the <a href=\"https:\/\/en.wikipedia.org\/wiki\/ETSI\" target=\"_blank\" rel=\"noopener nofollow\">ETSI<\/a>. After that it was adopted by the <a href=\"http:\/\/www.dvb.org\" target=\"_blank\" rel=\"noopener nofollow\">DVB<\/a>. DVB CSA is a system used to protect your sensitive data for long period of time.<\/p>\n<p style=\"text-align: justify;\">There are three versions of CSA available. These versions are <strong>CSA1, CSA2 and CSA3<\/strong>. But CSA1 have been compromised or hacked. While CSA2&#8217;s situation is still not clear. CSA3 is advanced Common Scrambling Algorithm version. CSA3 is used in IPTV system in standard mode.<\/p>\n<h2 class=\"BWS\">Working Of DVB CSA<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"5179\" data-permalink=\"https:\/\/headendinfo.com\/dvb-csa\/dvb-csa-algorithm\/\" data-orig-file=\"https:\/\/i0.wp.com\/headendinfo.com\/wp-content\/uploads\/2018\/10\/dvb-csa-algorithm.jpg?fit=640%2C426&amp;ssl=1\" data-orig-size=\"640,426\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;Canon EOS 5D Mark III&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;4000&quot;,&quot;shutter_speed&quot;:&quot;0.008&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"dvb csa algorithm\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/i0.wp.com\/headendinfo.com\/wp-content\/uploads\/2018\/10\/dvb-csa-algorithm.jpg?fit=300%2C200&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/headendinfo.com\/wp-content\/uploads\/2018\/10\/dvb-csa-algorithm.jpg?fit=640%2C426&amp;ssl=1\" class=\"aligncenter wp-image-5179\" src=\"https:\/\/i0.wp.com\/headendinfo.com\/wp-content\/uploads\/2018\/10\/dvb-csa-algorithm.jpg?resize=500%2C333&#038;ssl=1\" alt=\"dvb csa common scrambling algorithm\" width=\"500\" height=\"333\" srcset=\"https:\/\/i0.wp.com\/headendinfo.com\/wp-content\/uploads\/2018\/10\/dvb-csa-algorithm.jpg?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/headendinfo.com\/wp-content\/uploads\/2018\/10\/dvb-csa-algorithm.jpg?w=640&amp;ssl=1 640w\" sizes=\"(max-width: 500px) 100vw, 500px\" data-recalc-dims=\"1\" \/><\/p>\n<p style=\"text-align: justify;\">DVB CSA Version 3 is a algorithm which can be implemented as hardware or software. There are basically two parts of DVB CSA3 known as <strong>Scrambling Technology<\/strong> &amp; <strong>Descrambling System <\/strong>which forms a DVB CSA3<strong>.\u00a0<\/strong>In Transport Stream scrambling CSA is implemented on payload of data packet.<\/p>\n<p style=\"text-align: justify;\"><strong>CSA1 uses 64 bit key<\/strong> to Encrypt &amp; Decrypt the data blocks. While\u00a0<strong>CSA3 uses 128 bit key<\/strong> to Encrypt &amp; Decrypt the data blocks.<\/p>\n<p style=\"text-align: justify;\">There are two ciphers in CSA named as <strong>Block Cipher<\/strong> &amp; <strong>Stream Cipher<\/strong>. First 64 bit Block Cipher is applied to encrypt the data. After that Stream Cipher is applied. The Block Cipher takes 56 rounds for the processing of 64 bit blocks. While in case of Steram Cipher first 32 rounds are for starting process only which do not gives any output.<\/p>\n<p style=\"text-align: justify;\"><strong>Scrambling Algorithm<\/strong> is cipher algorithm is used to protect the content in stream. There are two types of Scrambling Algorithms,<\/p>\n<h3 style=\"text-align: justify;\">(1) Software Oriented Scrambling Algorithm<\/h3>\n<p style=\"text-align: justify;\">This type of algorithm is easy to use in hardware and software too. Also it gives better results in hardware as well as in software. It should be used primarily in software.<\/p>\n<h3 style=\"text-align: justify;\">(2) Hardware Oriented Scrambling Algorithm<\/h3>\n<p style=\"text-align: justify;\">It is very easy to use in hardware and also gives better performance. While it is hard to use in software. Also it is costly to use in software.<\/p>\n<p>Overall concept is that if there there is Software Oriented Scrambling Algorithm then it mean to use in hardware and software both. On the other hand if there is Hardware Oriented Scrambling Algorithm then it mean to use in Hardware only.<\/p>\n<p style=\"text-align: justify;\">The manufactures of scrambler needs to have license of CSA3 Descrambling System. After selling these scramblers from manufactures to service providers they need to provide them a sub license for using these scramblers.<\/p>\n<p><a href=\"https:\/\/headendinfo.com\/headend-info-books\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"4060\" data-permalink=\"https:\/\/headendinfo.com\/headend-info-books\/headend-info-edition-1-paper-book-front\/\" data-orig-file=\"https:\/\/i0.wp.com\/headendinfo.com\/wp-content\/uploads\/2018\/05\/headend-info-edition-1-paper-book-front.png?fit=212%2C300&amp;ssl=1\" data-orig-size=\"212,300\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"headend info edition 1 paper book front\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/i0.wp.com\/headendinfo.com\/wp-content\/uploads\/2018\/05\/headend-info-edition-1-paper-book-front.png?fit=212%2C300&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/headendinfo.com\/wp-content\/uploads\/2018\/05\/headend-info-edition-1-paper-book-front.png?fit=212%2C300&amp;ssl=1\" class=\"aligncenter wp-image-4060 size-full\" src=\"https:\/\/i0.wp.com\/headendinfo.com\/wp-content\/uploads\/2018\/05\/headend-info-edition-1-paper-book-front.png?resize=212%2C300&#038;ssl=1\" alt=\"\" width=\"212\" height=\"300\" data-recalc-dims=\"1\" \/><\/a><\/p>\n<h3 class=\"BWS\">Conclusion Of DVB CSA<\/h3>\n<p style=\"text-align: justify;\"><em>Digital Video Broadcasting Common Scrambling Algorithm<\/em> is used to encrypt the DVB stream. Three versions have launched of <strong>DVB CSA<\/strong> as <strong>DVB CSA1, DVB CSA2 <\/strong>and<strong> DVB CSA3<\/strong>. Right now it is not recommended to for CSA1\u00a0 because it was made to give security for at least one decade that have elapsed.<\/p>\n<p style=\"text-align: justify;\">If you want to go for IPTV system then you should use CSA version 3 because it will provides better security to your system.<\/p>\n<h3 class=\"info\">Know More About\u00a0 \u00a0<span style=\"color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"https:\/\/headendinfo.com\/dvb-s-dvb-s2-dvbs-dvs2\/\" target=\"_blank\" rel=\"noopener\">What is Difference Between DVBS &amp; DVBS2<\/a><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"1432\" data-permalink=\"https:\/\/headendinfo.com\/hd-encoder-digital-headend-system\/headend-info-logo-dark-small-1\/\" data-orig-file=\"https:\/\/i0.wp.com\/headendinfo.com\/wp-content\/uploads\/2017\/08\/Headend-INFO-Logo-Dark-SMALL-1.png?fit=118%2C128&amp;ssl=1\" data-orig-size=\"118,128\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Headend INFO Logo Dark SMALL 1\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/i0.wp.com\/headendinfo.com\/wp-content\/uploads\/2017\/08\/Headend-INFO-Logo-Dark-SMALL-1.png?fit=118%2C128&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/headendinfo.com\/wp-content\/uploads\/2017\/08\/Headend-INFO-Logo-Dark-SMALL-1.png?fit=118%2C128&amp;ssl=1\" class=\"size-full wp-image-1432 aligncenter\" src=\"https:\/\/i0.wp.com\/headendinfo.com\/wp-content\/uploads\/2017\/08\/Headend-INFO-Logo-Dark-SMALL-1.png?resize=118%2C128&#038;ssl=1\" alt=\"headend info\" width=\"118\" height=\"128\" data-recalc-dims=\"1\" \/><\/p>\n\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Introduction Of DVB CSA Before reading the article we need to have some basic knowledge of cryptography. Likewise cipher sometimes it is also called cypher. So cipher is an algorithm used for the encryption or decryption. This algorithm is applied to element of data to convert it in code for security. So now in this [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5177,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[9],"tags":[305,304],"jetpack_publicize_connections":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>DVB CSA Digital Video Broadcasting Common Scrambling Algorithm<\/title>\n<meta name=\"description\" content=\"Introduction Of DVB CSA Before reading the article we need to have some basic knowledge of cryptography. 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