{"id":64192,"date":"2024-05-29T12:11:42","date_gmt":"2024-05-29T08:41:42","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/http3zhi-key-update-nod\/"},"modified":"2024-05-29T12:11:42","modified_gmt":"2024-05-29T08:41:42","slug":"http3zhi-key-update-nod","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/http3zhi-key-update-nod\/","title":{"rendered":"\u0628\u0647\u200c\u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc \u06a9\u0644\u06cc\u062f HTTP3 &#8211; \u0627\u0646\u062c\u0645\u0646 DEV"},"content":{"rendered":"<div data-article-id=\"1868635\" id=\"article-body\">\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter-rtl ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nabfollower.com\/blog\/http3zhi-key-update-nod\/#%D8%B2%D9%85%DB%8C%D9%86%D9%87\" >\u0632\u0645\u06cc\u0646\u0647<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nabfollower.com\/blog\/http3zhi-key-update-nod\/#%D8%A7%D9%86%D8%AC%D8%A7%D9%85_%D8%AF%D9%87%D8%AF\" >\u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u062f<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%D8%B2%D9%85%DB%8C%D9%86%D9%87\"><\/span>\n<p>  \u0632\u0645\u06cc\u0646\u0647<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc \u06a9\u0644\u06cc\u062f \u06cc\u06a9\u06cc \u0627\u0632 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u067e\u0631\u0648\u062a\u06a9\u0644 \u0627\u0646\u062a\u0642\u0627\u0644 (QUIC) \u0627\u0633\u062a \u0648 \u0628\u0627\u06cc\u062f \u067e\u0633 \u0627\u0632 \u0627\u062a\u0645\u0627\u0645 \u062f\u0633\u062a \u062f\u0627\u062f\u0646 \u0627\u0646\u062c\u0627\u0645 \u0634\u0648\u062f.<br \/>\u0628\u0647\u200c\u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc \u06a9\u0644\u06cc\u062f TLS1.3 \u0627\u0632 \u06cc\u06a9 \u067e\u06cc\u0627\u0645 \u062f\u0633\u062a \u062f\u0627\u062f\u0646 \u0648\u06cc\u0698\u0647 \u0628\u0631\u0627\u06cc \u0627\u0637\u0644\u0627\u0639 \u0637\u0631\u0641 \u0645\u0642\u0627\u0628\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u0645 \u06a9\u0644\u06cc\u062f \u062c\u062f\u06cc\u062f \u0631\u0627 \u0628\u0631\u0627\u06cc \u0628\u0631\u0642\u0631\u0627\u0631\u06cc \u0627\u0631\u062a\u0628\u0627\u0637 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u06cc\u0645\u060c \u06a9\u0647 \u0628\u0647 \u0627\u062b\u0631 \u0647\u0645\u06af\u0627\u0645\u200c\u0633\u0627\u0632\u06cc \u06a9\u0644\u06cc\u062f \u0645\u06cc\u200c\u0631\u0633\u062f.<br \/>\u062f\u0631 QUIC-TLS\u060c \u0627\u06cc\u0646\u06a9\u0647 \u0622\u06cc\u0627 \u0628\u06cc\u062a \u0641\u0627\u0632 \u06a9\u0644\u06cc\u062f \u062f\u0631 \u0628\u0633\u062a\u0647 \u0647\u062f\u0631 \u06a9\u0648\u062a\u0627\u0647 \u062a\u063a\u06cc\u06cc\u0631 \u0645\u06cc \u06a9\u0646\u062f \u06cc\u0627 \u0646\u0647\u060c \u0628\u0631\u0627\u06cc \u0627\u0637\u0644\u0627\u0639 \u0631\u0633\u0627\u0646\u06cc \u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc \u06a9\u0644\u06cc\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.  1-\u0645\u0642\u062f\u0627\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u062f\u0631 \u0628\u0633\u062a\u0647 RTT 0 \u0627\u0633\u062a \u06a9\u0647 \u0628\u0627 \u067e\u06cc\u0627\u0645 \u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc \u06a9\u0644\u06cc\u062f TLS1.3 \u0633\u0627\u0632\u06af\u0627\u0631\u06cc \u0646\u062f\u0627\u0631\u062f.<br \/>\u0639\u0644\u0627\u0648\u0647 \u0628\u0631 \u0627\u06cc\u0646\u060c QUIC-TLS \u0628\u0647 \u0647\u0631 \u062f\u0648 \u0637\u0631\u0641 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u062f \u06a9\u0647 \u06a9\u0644\u06cc\u062f\u0647\u0627 \u0631\u0627 \u0647\u0645\u0632\u0645\u0627\u0646 \u0628\u0647 \u0631\u0648\u0632 \u06a9\u0646\u0646\u062f\u060c \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 TLS1.3 \u0647\u0631 \u062f\u0648 \u0637\u0631\u0641 \u0631\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0645\u0633\u062a\u0642\u0644 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D8%A7%D9%86%D8%AC%D8%A7%D9%85_%D8%AF%D9%87%D8%AF\"><\/span>\n<p>  \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u062f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 ngtcp2<\/p>\n<ol>\n<li>\u0627\u0628\u062a\u062f\u0627\u060c \u06cc\u06a9 endpoing \u0627\u0632 \u0631\u0627\u0628\u0637 \u0628\u0631\u0627\u06cc \u0645\u0642\u062f\u0627\u0631\u062f\u0647\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0628\u0647\u200c\u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc \u06a9\u0644\u06cc\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f\u060c \u0628\u0647 \u0628\u0631\u0646\u0627\u0645\u0647 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0645\u06cc\u200c\u06af\u0648\u06cc\u062f \u06a9\u0647 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u062f \u06a9\u0644\u06cc\u062f\u0647\u0627 \u0631\u0627 \u0628\u0647\u200c\u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc \u06a9\u0646\u062f\u060c \u0648 \u0628\u0647 \u0637\u0631\u0641 \u062f\u06cc\u06af\u0631 \u0627\u0637\u0644\u0627\u0639 \u0645\u06cc\u200c\u062f\u0647\u062f \u06a9\u0647 \u0628\u0647\u200c\u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc \u06a9\u0644\u06cc\u062f \u0644\u0627\u0632\u0645 \u0627\u0633\u062a.\n<\/li>\n<\/ol>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight c\"><code>    <span class=\"k\">if<\/span> <span class=\"p\">((<\/span><span class=\"n\">res<\/span> <span class=\"o\">=<\/span> <span class=\"n\">ngtcp2_conn_initiate_key_update<\/span><span class=\"p\">(<\/span><span class=\"n\">c<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">conn<\/span><span class=\"p\">,<\/span> <span class=\"n\">timestamp<\/span><span class=\"p\">()))<\/span> <span class=\"o\">!=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">)<\/span>\n    <span class=\"p\">{<\/span>\n        <span class=\"n\">print_debug<\/span><span class=\"p\">(<\/span><span class=\"n\">ERROR<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"ngtcp2_conn_initiate_key_update: %s(The previous key update has not been confirmed yet; or key update is too frequent; or new keys are not available yet.)\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">ngtcp2_strerror<\/span><span class=\"p\">(<\/span><span class=\"n\">res<\/span><span class=\"p\">));<\/span>\n        <span class=\"k\">return<\/span> <span class=\"o\">-<\/span><span class=\"mi\">1<\/span><span class=\"p\">;<\/span>\n    <span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<ol>\n<li>\u0627\u0632 \u067e\u0627\u0633\u062e \u062a\u0645\u0627\u0633 \u0628\u0647\u200c\u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc \u06a9\u0644\u06cc\u062f ngtcp2 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f\u060c \u06a9\u0647 \u062a\u0648\u0633\u0637 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f \u062a\u0627 \u0628\u0647 \u0628\u0631\u0646\u0627\u0645\u0647 \u0628\u06af\u0648\u06cc\u062f \u06a9\u0647 \u0628\u0647 \u0628\u0647\u200c\u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc \u06a9\u0644\u06cc\u062f \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f.\n<\/li>\n<\/ol>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight c\"><code><span class=\"k\">const<\/span> <span class=\"n\">ngtcp2_crypto_ctx<\/span> <span class=\"o\">*<\/span><span class=\"n\">crypto_ctx<\/span> <span class=\"o\">=<\/span> <span class=\"n\">ngtcp2_conn_get_crypto_ctx<\/span><span class=\"p\">(<\/span><span class=\"n\">c<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">conn<\/span><span class=\"p\">);<\/span>\n<span class=\"k\">const<\/span> <span class=\"n\">ngtcp2_crypto_aead<\/span> <span class=\"o\">*<\/span><span class=\"n\">aead<\/span> <span class=\"o\">=<\/span> <span class=\"o\">&amp;<\/span><span class=\"p\">(<\/span><span class=\"n\">crypto_ctx<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">aead<\/span><span class=\"p\">);<\/span>\n<span class=\"kt\">int<\/span> <span class=\"n\">keylen<\/span> <span class=\"o\">=<\/span> <span class=\"n\">ngtcp2_crypto_aead_keylen<\/span><span class=\"p\">(<\/span><span class=\"n\">aead<\/span><span class=\"p\">);<\/span>\n<span class=\"kt\">int<\/span> <span class=\"n\">ivlen<\/span> <span class=\"o\">=<\/span> <span class=\"n\">ngtcp2_crypto_packet_protection_ivlen<\/span><span class=\"p\">(<\/span><span class=\"n\">aead<\/span><span class=\"p\">);<\/span>\n\n<span class=\"kt\">uint8_t<\/span> <span class=\"n\">rx_key<\/span><span class=\"p\">[<\/span><span class=\"mi\">64<\/span><span class=\"p\">],<\/span> <span class=\"n\">tx_key<\/span><span class=\"p\">[<\/span><span class=\"mi\">64<\/span><span class=\"p\">];<\/span>\n<span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">ngtcp2_crypto_update_key<\/span><span class=\"p\">(<\/span><span class=\"n\">c<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">conn<\/span><span class=\"p\">,<\/span> <span class=\"n\">rx_secret<\/span><span class=\"p\">,<\/span> <span class=\"n\">tx_secret<\/span><span class=\"p\">,<\/span><span class=\"n\">rx_aead_ctx<\/span><span class=\"p\">,<\/span><span class=\"n\">rx_key<\/span><span class=\"p\">,<\/span> <span class=\"n\">rx_iv<\/span><span class=\"p\">,<\/span> <span class=\"n\">tx_aead_ctx<\/span><span class=\"p\">,<\/span> <span class=\"n\">tx_key<\/span><span class=\"p\">,<\/span> <span class=\"n\">tx_iv<\/span><span class=\"p\">,<\/span> <span class=\"n\">current_rx_secret<\/span><span class=\"p\">,<\/span> <span class=\"n\">current_tx_secret<\/span><span class=\"p\">,<\/span> <span class=\"n\">secretlen<\/span><span class=\"p\">)<\/span> <span class=\"o\">!=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">)<\/span>\n<span class=\"p\">{<\/span>\n    <span class=\"n\">print_debug<\/span><span class=\"p\">(<\/span><span class=\"n\">ERROR<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"ngtcp2_crypto_update_key failed\"<\/span><span class=\"p\">);<\/span>\n    <span class=\"k\">return<\/span> <span class=\"o\">-<\/span><span class=\"mi\">1<\/span><span class=\"p\">;<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u0632\u0645\u06cc\u0646\u0647 \u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc \u06a9\u0644\u06cc\u062f \u06cc\u06a9\u06cc \u0627\u0632 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u067e\u0631\u0648\u062a\u06a9\u0644 \u0627\u0646\u062a\u0642\u0627\u0644 (QUIC) \u0627\u0633\u062a \u0648 \u0628\u0627\u06cc\u062f \u067e\u0633 \u0627\u0632 \u0627\u062a\u0645\u0627\u0645 \u062f\u0633\u062a \u062f\u0627\u062f\u0646 \u0627\u0646\u062c\u0627\u0645 \u0634\u0648\u062f.\u0628\u0647\u200c\u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc \u06a9\u0644\u06cc\u062f TLS1.3 \u0627\u0632 \u06cc\u06a9 \u067e\u06cc\u0627\u0645 \u062f\u0633\u062a \u062f\u0627\u062f\u0646 \u0648\u06cc\u0698\u0647 \u0628\u0631\u0627\u06cc 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