{"id":2735,"date":"2026-01-15T12:35:01","date_gmt":"2026-01-15T04:35:01","guid":{"rendered":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/?p=2735"},"modified":"2026-01-15T22:47:58","modified_gmt":"2026-01-15T14:47:58","slug":"dtls-srtp","status":"publish","type":"post","link":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/2026\/01\/15\/dtls-srtp\/","title":{"rendered":"DTLS-SRTP"},"content":{"rendered":"\n<p>DTLS-SRTP \u5f00\u53d1\u5de5\u4f5c\u4e3b\u8981\u57fa\u4e8e\u4e24\u70b9\u8003\u8651\uff1a\uff081\uff09\u540e\u7eed\u548c webRTC \u5bf9\u63a5\u65f6\uff0c\u65e0\u8bba\u662f Chrome \u8fd8\u662f Firefox\uff0c\u90fd\u8981\u6c42\u91c7\u7528 DTLS-SRTP \u4f20\u8f93\u5a92\u4f53\uff1b\uff082\uff09\u5728\u4f01\u4e1a\u901a\u4fe1\u9886\u57df\uff0c\u5982\u679c\u7528\u6237\u4e0d\u90e8\u7f72\u300cSIP over TLS\u300d\uff0c SRTP \u52a0\u5bc6\u7528\u7684 key \u548c salt \u5728 SIP \u6d88\u606f\u4e2d\u660e\u6587\u4f20\u8f93\uff0c\u6709\u53ef\u80fd\u88ab\u6709\u5fc3\u4eba\u58eb\u62e6\u622a\uff0c\u4ece\u800c\u7834\u89e3 SRTP \u6d41\u3002<\/p>\n\n\n\n<p>\u4e0e webRTC \u5bf9\u63a5\u8fd8\u6709\u5f88\u591a\u7e41\u7410\u7684\u7ec6\u8282\u9700\u8981\u5904\u7406\uff0c\u4ee5\u540e\u518d\u53e6\u5916\u8ba8\u8bba\u3002<\/p>\n\n\n\n<p>\u5bf9\u4e8e\u4f01\u4e1a\u901a\u4fe1\u4e2d\u53ef\u80fd\u5b58\u5728\u7684\u62e6\u622a\u7834\u89e3\u95ee\u9898\uff0c\u76ee\u524d\u901a\u7528\u7684\u89e3\u51b3\u65b9\u6cd5\u5c31\u662f\u90e8\u7f72 DTLS-SRTP\u3002DTLS-SRTP \u4e0d\u518d\u901a\u8fc7 SIP \u4f1a\u8bdd\u6d88\u606f\u4f20\u9012 key \u548c salt\uff0c\u800c\u662f\u5728 SRTP \u5efa\u7acb\u4e4b\u65f6\u53cc\u65b9 RTP \u7aef\u70b9\u5148\u8fdb\u884c DTLS \u534f\u5546\uff0c\u53cc\u65b9\u4ea4\u6362\u8bc1\u4e66\u548c\u5bc6\u94a5\uff0c\u8fdb\u800c\u52a0\u5bc6\u3001\u89e3\u5bc6\u51fa key \u548c salt\u3002\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"542\" height=\"587\" src=\"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-content\/uploads\/2026\/01\/dtls-flow.png\" alt=\"DTLS-SRTP \u6d41\u7a0b\" class=\"wp-image-2736\" srcset=\"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-content\/uploads\/2026\/01\/dtls-flow.png 542w, https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-content\/uploads\/2026\/01\/dtls-flow-277x300.png 277w, https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-content\/uploads\/2026\/01\/dtls-flow-249x270.png 249w\" sizes=\"auto, (max-width: 542px) 100vw, 542px\" \/><figcaption class=\"wp-element-caption\">DTLS-SRTP \u6d41\u7a0b<\/figcaption><\/figure>\n\n\n\n<p>SIP \u6d88\u606f\u4e2d\u6709\u4e24\u5904\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n\n\n\n<p>\uff081\uff09fingerprint \u53c2\u6570\uff0c\u6307\u793a\u4e86\u5404\u81ea\u8bc1\u4e66\u7684 fingerprint\u3002\u53cc\u65b9\u5728 DTLS \u534f\u5546\u65f6\u4ee5\u6b64\u9a8c\u8bc1\u8bc1\u4e66\u7684\u6709\u6548\u6027\u3002\u7be1\u6539 fingerprint \u6216\u8005\u62e6\u622a\u8bc1\u4e66\uff0c\u90fd\u4f1a\u5bfc\u81f4 DTLS \u534f\u5546\u5931\u8d25\u3002<\/p>\n\n\n\n<p>\uff082\uff09setup \u53c2\u6570\uff0c\u6307\u793a RTP \u7aef\u70b9\u5728 DTLS \u534f\u5546\u8fc7\u7a0b\u4e2d\u7684\u89d2\u8272\u3002DTLS \u534f\u5546\u660e\u786e\u8981\u6c42\u4e00\u65b9\u662f client\uff08\u5373\u534f\u5546\u7684\u53d1\u8d77\u65b9\uff09\uff0c\u53e6\u4e00\u65b9\u662f server\uff0c\u5177\u4f53\u7ec6\u8282\u8bf7\u53c2\u8003 <a href=\"https:\/\/datatracker.ietf.org\/doc\/html\/rfc5763\" data-type=\"link\" data-id=\"https:\/\/datatracker.ietf.org\/doc\/html\/rfc5763\" target=\"_blank\" rel=\"noreferrer noopener\">RFC5763<\/a>\u3002<\/p>\n\n\n\n<p>\u5728 DTLS \u534f\u5546\u8fc7\u7a0b\u4e2d\u968f\u673a\u751f\u6210 key \u548c salt\uff0c\u5b8c\u6210\u534f\u5546\u540e RTP \u7aef\u70b9\u4ece\u7ed3\u679c\u4e2d\u63d0\u53d6\u51fa\u53cc\u65b9\u7684 key \u548c salt\uff0c\u5bf9 RTP \u6d41\u52a0\u5bc6\u548c\u89e3\u5bc6\uff0c\u4e5f\u5c31\u662f\u540e\u7eed SRTP \u6d41\u7684\u5904\u7406\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>DTLS-SRTP \u5f00\u53d1\u5de5\u4f5c\u4e3b\u8981\u57fa\u4e8e\u4e24\u70b9\u8003\u8651\uff1a\uff081\uff09\u540e\u7eed\u548c webRTC \u5bf9\u63a5\u65f6\uff0c\u65e0\u8bba\u662f Chrome \u8fd8\u662f Firefox\uff0c\u90fd\u8981\u6c42\u91c7\u7528 DTLS-SRTP \u4f20&#8230;<\/p>\n<p class=\"read-more\"><a class=\"btn btn-default\" href=\"https:\/\/www.myvoipapp.com\/blogs\/yxh\/2026\/01\/15\/dtls-srtp\/\"> Read More<span class=\"screen-reader-text\">  Read More<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[935,927,300,131],"class_list":["post-2735","post","type-post","status-publish","format-standard","hentry","category-27","tag-dtls","tag-openssl","tag-srtp","tag-webrtc"],"_links":{"self":[{"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/posts\/2735","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/comments?post=2735"}],"version-history":[{"count":2,"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/posts\/2735\/revisions"}],"predecessor-version":[{"id":2738,"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/posts\/2735\/revisions\/2738"}],"wp:attachment":[{"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/media?parent=2735"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/categories?post=2735"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.myvoipapp.com\/blogs\/yxh\/wp-json\/wp\/v2\/tags?post=2735"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}