{"id":7272,"date":"2015-05-30T22:55:38","date_gmt":"2015-05-31T03:55:38","guid":{"rendered":"httpss:\/\/www.powenko.com\/wordpress\/?p=7272"},"modified":"2015-05-30T23:13:47","modified_gmt":"2015-05-31T04:13:47","slug":"oma-drm-1-0-%e4%bb%8b%e7%b4%b9","status":"publish","type":"post","link":"https:\/\/www.powenko.com\/wordpress\/?p=7272","title":{"rendered":"OMA DRM 1.0 \u4ecb\u7d39"},"content":{"rendered":"<p><a href=\"httpss:\/\/www.powenko.com\/wordpress\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-31-at-11.54.31-AM.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-7273\" src=\"httpss:\/\/www.powenko.com\/wordpress\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-31-at-11.54.31-AM.jpg\" alt=\"Screen Shot 2015-05-31 at 11.54.31 AM\" width=\"150\" height=\"61\" srcset=\"https:\/\/www.powenko.com\/wordpress\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-31-at-11.54.31-AM.jpg 150w, https:\/\/www.powenko.com\/wordpress\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-31-at-11.54.31-AM-120x49.jpg 120w, https:\/\/www.powenko.com\/wordpress\/wp-content\/uploads\/2015\/05\/Screen-Shot-2015-05-31-at-11.54.31-AM-140x57.jpg 140w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/a><\/p>\n<p>\u5728OMA DRM1.0\u6a19\u6e96\u767c\u5e03\u65bc2002\u5e749\u6708\uff0c\u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u8a31\u591a\u79fb\u52d5\u8a2d\u5099\u3002\u5b83\u5b9a\u7fa9\u4e86\u4e09\u7a2e\u61c9\u7528\u6a21\u5f0f\uff1a<\/p>\n<ol>\n<li>Forward-lock\u3000\u8f49\u767c\u9396\u5b9a<\/li>\n<li>Combined Delivery\u3000\u5408\u4f75\u50b3\u9001<\/li>\n<li>Separate Delivery\u55ae\u7368\u50b3\u9001<\/li>\n<\/ol>\n<h2>Forward-lock\u3000\u8f49\u767c\u9396\u5b9a<\/h2>\n<p>\u8f49\u767c\u9396\u7d93\u5e38\u7528\u65bc\u9234\u8072\u548c\u58c1\u7d19\u7684\u4fdd\u8b77\uff0c\u4e26\u80fd\u6709\u6548\u9632\u6b62\u975e\u6cd5\u8907\u88fd\u6587\u4ef6\u3002\u5728\u8f49\u767c\u9396\u6a21\u5f0f\u4e2d\uff0c\u5167\u5bb9\u88ab\u6253\u5305\u4e26\u4e14\u767c\u9001\u5230\u79fb\u52d5\u7d42\u7aef\u4f5c\u70ba DRM message\u6d88\u606f\u3002\u800c\u8a72\u79fb\u52d5\u7d42\u7aef\u53ef\u4ee5\u4f7f\u7528\u7684\u5167\u5bb9\uff0c\u4f46\u4e0d\u80fd\u5c07\u5176\u8f49\u767c\u7d66\u5176\u4ed6\u88dd\u7f6e\u6216\u5c0d\u5176\u9032\u884c\u4fee\u6539\u3002<\/p>\n<p>\u8a72\u6a94\u6848\u7684\u526f\u6a94\u540d\u662f.dm\uff0c\u5167\u5bb9\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>header <span style=\"font-family: 'Arial Unicode MS';\">\u8868\u982d<\/span><\/li>\n<li>encoded <span style=\"font-family: 'Arial Unicode MS';\">\u7de8\u78bc\uff08\u4f46\u4e0d\u52a0\u5bc6\uff09\u3002<\/span><\/li>\n<\/ul>\n<h2>\u3000Combined Delivery\u3000\u3000\u5408\u4f75\u50b3\u9001<\/h2>\n<p>\u300cCombined Delivery\u5408\u4f75\u50b3\u9001\u300d\u662f\u300cForward-lock\u8f49\u767c\u9396\u5b9a\u300d\u7684\u5ef6\u7e8c\u3002\u5728\u300c\u7d44\u5408\u50b3\u9001\u300d\u6a21\u5f0f\u4e0b\uff0c\u300cdigital rights \u6578\u5b57\u6b0a\u5229\u300d\u662f\u88ab\u6253\u5305\u5728\u300cDRM message \u4fe1\u606f\u300dcontent object \u5167\u5bb9\u5c0d\u8c61\u4e2d\u3002<\/p>\n<p>\u7528\u6236\u53ef\u4ee5\u4f7f\u7528\u7684\u5167\u5bb9\uff0c\u5b9a\u7fa9\u7684\u300c rights object\u6b0a\u5229\u5c0d\u8c61\u300d\uff0c\u4f46\u4e0d\u80fd\u4fee\u6539\u3002\u300c rights object \u6b0a\u5229\u5c0d\u8c61\u300d\u662f\u5b9a\u7fa9\u7684\uff0c\u8a72\u5167\u5bb9\u53ef\u4ee5\u4f7f\u7528\u7684\u7684\u6b21\u6578\u548c\u6642\u9593\u3002<\/p>\n<p>\u8a72\u6a94\u6848\u7684\u526f\u6a94\u540d\u4e5f\u662f.dm\uff0c\u5167\u5bb9\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>header \u8868\u982d<\/li>\n<li>rights object\u6b0a\u5229\u5c0d\u8c61<\/li>\n<li>encoded \u7de8\u78bc\uff08\u52a0\u5bc6\uff09\u3002<\/li>\n<\/ul>\n<h2>\u3000Separate Delivery\u3000\u55ae\u7368\u50b3\u9001<\/h2>\n<pre><\/pre>\n<p>\u5728\u55ae\u7368\u50b3\u9001\u6a21\u5f0f\u4e2d\uff0c\u5167\u5bb9\u548c\u6b0a\u5229\u662f\u5206\u958b\u548c\u50b3\u9001\u7684\u3002\u5167\u5bb9\u662f\u4f7f\u7528\u5c0d\u7a31\u5bc6\u78bc\u5b78\u65b9\u6cd5\u52a0\u5bc6\u6210DRM\u5167\u5bb9\u683c\u5f0f\uff08DCF\uff1aDRM Content Format \uff09\uff0c\u4e26\u4e14\u53ef\u4ee5\u5728\u4e00\u500b\u4e0d\u5b89\u5168\u7684\u65b9\u5f0f\uff0c\u5982\u85cd\u7259\u3001\u7d05\u5916\u7dda\u3001\u96fb\u5b50\u90f5\u4ef6\u50b3\u9001\u3002<br \/>\nRights Object \u6b0a\u5229\u5c0d\u8c61\uff08RO\uff09\uff0c\u548c\u5167\u5bb9\u52a0\u5bc6\u5bc6\u9470\uff08CEK\uff1a Content Encryption Key\uff09\u4ee5\u5b89\u5168\u65b9\u5f0f\u50b3\u9001\uff0c\u7d42\u7aef\u88dd\u7f6e\u4f8b\u5982\u624b\u6a5f\uff0c\u88ab\u5141\u8a31\u5c07\u5c08\u767c\u5167\u5bb9\uff0c\u4f46\u4e0d\u80fd\u8f49\u767c\u3000rights message \uff08\u6b0a\u5229\u6d88\u606f\uff09\u3002\u767c\u5e03\u8005\u662f\u52fb\u8a31\u6578\u5b57\u5167\u5bb9\u9032\u884c\u81ea\u7531\u8f49\u8b93\uff0c\u53ef\u4ee5\u7528\u5728\u4e00\u822c\u7684\u516c\u5171\u983b\u9053\u7684\u5927\u91cf\u7684\u50b3\u9001\uff0c\u4f46\u5167\u5bb9\u63a5\u6536\u65b9\u9700\u8981\u6709\u7372\u5f97\u300crights object \u6b0a\u5229\u5c0d\u8c61\u300d\uff0c\u4e26\u4f7f\u7528CEK\u9810\u89bd\u5167\u5bb9\u3002<\/p>\n<ul>\n<li>\u52a0\u5bc6\u7684\u5167\u5bb9\u7684\u6587\u4ef6\u526f\u6a94\u540d\u662f.dcf\uff08\u3000DRM\u3000\u5167\u5bb9\u683c\u5f0f\uff09<\/li>\n<li>rights object \u6587\u4ef6\u526f\u6a94\u540d\u662f\u6b0a.dr \u6216.drc<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u5728OMA DRM1.0\u6a19\u6e96\u767c\u5e03\u65bc2002\u5e749\u6708\uff0c\u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u8a31\u591a\u79fb\u52d5\u8a2d\u5099\u3002\u5b83\u5b9a\u7fa9\u4e86\u4e09\u7a2e\u61c9\u7528\u6a21\u5f0f\uff1a Forwar [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":7273,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[259],"tags":[],"class_list":["post-7272","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ch30-drm"],"_links":{"self":[{"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/7272"}],"collection":[{"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7272"}],"version-history":[{"count":7,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/7272\/revisions"}],"predecessor-version":[{"id":7280,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/7272\/revisions\/7280"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/media\/7273"}],"wp:attachment":[{"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7272"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7272"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7272"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}