{"id":67,"date":"2008-04-16T14:50:57","date_gmt":"2008-04-16T18:50:57","guid":{"rendered":"http:\/\/jianmingli.com\/wp\/?p=67"},"modified":"2008-04-17T11:22:55","modified_gmt":"2008-04-17T15:22:55","slug":"asn1","status":"publish","type":"post","link":"https:\/\/jianmingli.com\/wp\/?p=67","title":{"rendered":"ASN.1"},"content":{"rendered":"<p><strong>Tag Octet<\/strong><\/p>\n<pre>\r\n87654321\r\n00: Universal\r\n01: Application\r\n10: Context-specific\r\n11: Private\r\n   0: Primitive type\r\n   1: Construct type\r\n     xxxxx: Tag number\r\n<\/pre>\n<p><strong>Length Octet<\/strong><br \/>\nLength < 128\n\n\n<pre>\r\n87654321\r\n0: Length < 128\r\n xxxxxxxx: Length\r\n<\/pre>\n<p>Length >= 128<\/p>\n<pre>\r\n87654321\r\n1: Length >= 128\r\n xxxxxxxx: Length of length\r\n87654321 87654321 ...\r\n              xxxxxxxxx ...: Actual length\r\n<\/pre>\n<p><strong>References<\/strong><\/p>\n<ul>\n<li><a href=\"http:\/\/www.obj-sys.com\/asn1tutorial\/node124.html\">Listing of Universal Tags<\/a><\/li>\n<li><a href=\"http:\/\/www.w3.org\/Protocols\/HTTP-NG\/asn1.html\">Introduction to ASN.1 and the Packed Encoding Rules<\/a><\/li>\n<li><a href=\"http:\/\/luca.ntop.org\/Teaching\/Appunti\/asn1.html\">A Layman&#8217;s Guide to a Subset of ASN.1, BER, and DER<\/a><\/li>\n<li><a href=\"http:\/\/www.codeproject.com\/KB\/cs\/asn1editor.aspx\">ASN.1 Editor<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Tag Octet 87654321 00: Universal 01: Application 10: Context-specific 11: Private 0: Primitive type 1: Construct type xxxxx: Tag number Length Octet Length < 128 87654321 0: Length < 128 xxxxxxxx: Length Length >= 128 87654321 1: Length >= 128 &hellip; <a href=\"https:\/\/jianmingli.com\/wp\/?p=67\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_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":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[12],"tags":[],"class_list":["post-67","post","type-post","status-publish","format-standard","hentry","category-architecture"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/s8cRUO-asn1","_links":{"self":[{"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/67","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=67"}],"version-history":[{"count":0,"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/67\/revisions"}],"wp:attachment":[{"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=67"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=67"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=67"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}