{"id":112715,"date":"2026-10-04T16:33:07","date_gmt":"2026-10-04T08:33:07","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/112715.html"},"modified":"2026-10-04T16:33:07","modified_gmt":"2026-10-04T08:33:07","slug":"rtmp-%e6%8f%a1%e6%89%8b%ef%bc%9a%e4%b8%80%e5%9c%ba%e5%ae%a2%e6%88%b7%e7%ab%af%e4%b8%8e%e6%9c%8d%e5%8a%a1%e7%ab%af%e7%9a%84%e6%9a%97%e5%8f%b7%e5%af%b9%e5%86%b3","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/112715.html","title":{"rendered":"RTMP \u63e1\u624b\uff1a\u4e00\u573a\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u7aef\u7684\u201c\u6697\u53f7\u201d\u5bf9\u51b3"},"content":{"rendered":"<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5982\u679c\u628a RTMP \u8fde\u63a5\u6bd4\u4f5c\u4e24\u4e2a\u7279\u5de5\u63a5\u5934&#xff0c;\u90a3\u63e1\u624b\u9636\u6bb5\u5c31\u662f\u4ed6\u4eec\u4e92\u76f8\u786e\u8ba4\u8eab\u4efd\u3001\u5bf9\u6697\u53f7\u7684\u8fc7<\/p>\n<p>\u7a0b\u3002\u4eca\u5929&#xff0c;\u6211\u4eec\u5c31\u987a\u7740\u8fd9\u6bb5\u4ee3\u7801&#xff0c;\u628a\u8fd9\u4e2a\u201c\u63a5\u5934\u6545\u4e8b\u201d\u8bb2\u7ed9\u4f60\u542c\u3002<\/p>\n<h3>\u7b2c\u4e00&#xff1a;\u7b2c\u4e00\u6b21\u78b0\u9762 \u2014\u2014 C0 \u4e0e C1<\/h3>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u6545\u4e8b\u7684\u4e3b\u89d2\u662f\u4e24\u4e2a\u89d2\u8272&#xff1a;<\/p>\n<ul>\n<li>\u5ba2\u6237\u7aef&#xff08;\u60f3\u63a8\u6d41\/\u62c9\u6d41\u7684\u90a3\u4e2a&#xff09;<\/li>\n<li>\u670d\u52a1\u7aef&#xff08;Monibuca&#xff0c;\u4e5f\u5c31\u662f\u8fd9\u6bb5\u4ee3\u7801\u7684\u4e3b\u4eba&#xff09;<\/li>\n<\/ul>\n<p>\u5ba2\u6237\u7aef\u5148\u5f00\u53e3\u3002\u5b83\u53d1\u6765\u4e00\u4e2a C0 &#043; C1\u200b \u7684\u7ec4\u5408\u5305&#xff0c;\u4e00\u5171 1537 \u5b57\u8282&#xff1a;<\/p>\n<p>C0&#xff08;1 \u5b57\u8282&#xff09; &#043; C1&#xff08;1536 \u5b57\u8282&#xff09; <\/p>\n<h4>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0C0&#xff1a;\u4e00\u53e5\u8bdd\u8868\u660e\u6765\u610f<\/h4>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0C0 \u53ea\u6709 1 \u4e2a\u5b57\u8282&#xff0c;\u610f\u601d\u662f&#xff1a;<\/p>\n<p>&#034;\u6211\u7528\u7684\u662f RTMP \u7b2c 3 \u7248\u534f\u8bae&#xff01;&#034;<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4ee3\u7801\u91cc\u8fd9\u4e48\u5199&#xff1a;<\/p>\n<p>if C0C1[0] !&#061; RTMP_HANDSHAKE_VERSION { \/\/ 0x03<br \/>\n    return errors.New(&#034;C0 Error&#034;)<br \/>\n} <\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5982\u679c\u4e0d\u662f 0x03&#xff0c;\u670d\u52a1\u7aef\u76f4\u63a5\u7ffb\u8138\u2014\u2014&#034;\u4e0d\u8ba4\u8bc6\u4f60&#xff0c;\u8d70\u5f00&#xff01;&#034;<\/p>\n<h4>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0C1&#xff1a;\u4e00\u5f20\u590d\u6742\u7684\u540d\u7247<\/h4>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0C1 \u6709 1536 \u5b57\u8282&#xff0c;\u7ed3\u6784\u662f\u8fd9\u6837\u7684<\/p>\n<table>\n<tr>\n<p>\u5b57\u6bb5<\/p>\n<p>\u5927\u5c0f<\/p>\n<p>\u542b\u4e49<\/p>\n<\/tr>\n<tbody>\n<tr>\n<td>\n<p>Time<\/p>\n<\/td>\n<td>\n<p>4 \u5b57\u8282<\/p>\n<\/td>\n<td>\n<p>\u5f53\u524d\u65f6\u95f4\u6233<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Zero<\/p>\n<\/td>\n<td>\n<p>4 \u5b57\u8282<\/p>\n<\/td>\n<td>\n<p>\u5173\u952e\u5b57\u6bb5\u200b<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Random<\/p>\n<\/td>\n<td>\n<p>1528 \u5b57\u8282<\/p>\n<\/td>\n<td>\n<p>\u968f\u673a\u586b\u5145<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Zero \u5b57\u6bb5\u662f\u6574\u6bb5\u6545\u4e8b\u7684\u5206\u5c94\u8def\u53e3&#xff1a;<\/p>\n<p>var zero int<br \/>\nutil.GetBE(C1[4:8], &amp;zero)<br \/>\nif zero &#061;&#061; 0 {<br \/>\n    return nc.simple_handshake(C1, checkC2)<br \/>\n}<br \/>\nreturn nc.complex_handshake(C1) <\/p>\n<ul>\n<li>zero &#061;&#061; 0 \u2192 \u7b80\u5355\u63e1\u624b&#xff0c;\u5927\u5bb6\u90fd\u662f\u8001\u5b9e\u4eba<\/li>\n<li>zero !&#061; 0 \u2192 \u590d\u6742\u63e1\u624b&#xff0c;\u6765&#xff0c;\u5bf9\u6697\u53f7&#xff01;<\/li>\n<\/ul>\n<h3>\u7b2c\u4e8c&#xff1a;\u7b80\u5355\u6a21\u5f0f \u2014\u2014 \u8001\u5b9e\u4eba\u7684\u4e92\u4fe1<\/h3>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5982\u679c\u5ba2\u6237\u7aef\u662f\u4e2a&#034;\u8001\u5b9e\u4eba&#034;&#xff0c;Zero \u5b57\u6bb5\u5168\u4e3a 0&#xff0c;\u90a3\u53cc\u65b9\u5c31\u8d70\u7b80\u5355\u63e1\u624b\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u670d\u52a1\u7aef\u505a\u7684\u4e8b\u60c5\u5f88\u7b80\u5355&#xff1a;<\/p>\n<p>1. \u56de\u4e00\u4e2a S0&#xff08;\u7248\u672c\u53f7 3&#xff09;<br \/>\n2. \u56de\u4e00\u4e2a S1&#xff08;\u65f6\u95f4\u6233 &#043; &#034;Monibuca&#034; \u5b57\u7b26\u4e32&#xff09;<br \/>\n3. \u628a\u5ba2\u6237\u7aef\u7684 C1 \u539f\u5c01\u4e0d\u52a8\u5f53 S2 \u53d1\u56de\u53bb<br \/>\n4. \u8bfb\u5ba2\u6237\u7aef\u7684 C2&#xff0c;\u9a8c\u8bc1\u4e00\u4e0b<br \/>\nS0S1[0] &#061; RTMP_HANDSHAKE_VERSION<br \/>\nutil.PutBE(S0S1[1:5], time.Now().Unix()&amp;0xFFFFFFFF)<br \/>\ncopy(S0S1[5:], &#034;Monibuca&#034;)<br \/>\nnc.Write(S0S1)  \/\/ S0 &#043; S1<br \/>\nnc.Write(C1)    \/\/ S2 &#061; C1&#xff08;\u539f\u6837\u8fd4\u56de&#xff09; <\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5ba2\u6237\u7aef\u90a3\u8fb9\u4e5f\u5dee\u4e0d\u591a&#xff0c;\u5b83\u6784\u9020 C0C1 \u53d1\u51fa\u53bb&#xff0c;\u7136\u540e\u7b49 S0S1&#xff0c;\u518d\u628a S0S1 \u5f53 C2 \u53d1\u56de\u53bb&#xff1a;<\/p>\n<p>\/\/ \u5ba2\u6237\u7aef\u6784\u9020 C1<br \/>\nutil.PutBE(C1[0:4], time.Now().Unix()&amp;0xFFFFFFFF)<br \/>\nutil.PutBE(C1[4:8], 0)  \/\/ Zero &#061; 0&#xff0c;\u58f0\u660e\u7b80\u5355\u63e1\u624b<br \/>\n\/\/ \u586b\u5145\u968f\u673a\u6570\u636e&#8230; <\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u7b80\u5355\u63e1\u624b\u5c31\u50cf\u4e24\u4e2a\u4eba\u89c1\u9762\u63e1\u4e2a\u624b&#xff1a;&#034;\u4f60\u597d&#034;&#034;\u4f60\u597d&#034;&#034;\u518d\u89c1&#034;&#034;\u518d\u89c1&#034;\u2014\u2014\u5b8c\u4e8b\u3002<\/p>\n<\/p>\n<h3>\u7b2c\u4e09&#xff1a;\u590d\u6742\u6a21\u5f0f \u2014\u2014 \u7279\u5de5\u7684\u6697\u53f7\u5bf9\u51b3<\/h3>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5982\u679c Zero \u4e0d\u4e3a 0&#xff0c;\u8bf4\u660e\u5ba2\u6237\u7aef\u60f3\u73a9\u70b9\u9ad8\u7ea7\u7684\u3002\u8fd9\u5c31\u662f RTMP \u590d\u6742\u63e1\u624b&#xff08;Digest Handshake&#xff09;\u3002<\/p>\n<h4>3.1 \u4e24\u5957\u6697\u53f7\u65b9\u6848<\/h4>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0RTMP \u89c4\u8303\u5b9a\u4e49\u4e86\u4e24\u79cd\u6392\u5e03\u65b9\u5f0f&#xff0c;\u53eb Scheme 0\u200b \u548c Scheme 1\u3002\u533a\u522b\u5728\u4e8e&#xff1a;\u5728 1536 \u5b57\u8282\u91cc&#xff0c;\u5bc6\u94a5&#xff08;key&#xff09;\u548c\u6458\u8981&#xff08;digest&#xff09;\u7684\u4f4d\u7f6e\u4e0d\u540c\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4e24\u79cd\u65b9\u6848\u7684\u7ed3\u6784\u5bf9\u6bd4&#xff1a;<\/p>\n<p>Scheme 0:  [Time][Version][Digest\u533a\u57df][Key\u533a\u57df]<br \/>\nScheme 1:  [Time][Version][Key\u533a\u57df][Digest\u533a\u57df] <\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u6bcf\u4e2a\u533a\u57df\u91cc&#xff0c;\u504f\u79fb\u91cf\u90fd\u662f\u7531\u6570\u636e\u672c\u8eab\u7684\u524d 4 \u4e2a\u5b57\u8282\u7b97\u51fa\u6765\u7684&#xff0c;\u76f8\u5f53\u4e8e&#034;\u85cf\u5b9d\u56fe\u4e0a\u7684\u5750\u6807&#034;\u3002<\/p>\n<\/p>\n<h4>3.2 \u504f\u79fb\u91cf\u600e\u4e48\u7b97&#xff1f;<\/h4>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4ee5 Scheme 0 \u7684 Digest \u504f\u79fb\u4e3a\u4f8b&#xff1a;<\/p>\n<p>func scheme0_Digest_Offset(C1S1 []byte) int {<br \/>\n    \/\/ \u53d6\u504f\u79fb\u5b57\u6bb5\u7684 4 \u4e2a\u5b57\u8282<br \/>\n    scheme0_digest_offset :&#061; int(C1S1[8]) &#043; int(C1S1[9]) &#043; int(C1S1[10]) &#043; int(C1S1[11])<br \/>\n    \/\/ \u53d6\u6a21 &#043; \u57fa\u7840\u504f\u79fb<br \/>\n    scheme0_digest_offset &#061; (scheme0_digest_offset % 764) &#043; 4 &#043; 4 &#043; 4<br \/>\n    return scheme0_digest_offset<br \/>\n} <\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u672c\u8d28\u5c31\u662f&#xff1a;\u4ece\u51e0\u4e2a\u5b57\u8282\u91cc\u7b97\u51fa\u4e00\u4e2a\u6570&#xff0c;\u6a21\u4e00\u4e0b\u6700\u5927\u503c&#xff0c;\u518d\u52a0\u4e2a\u57fa\u7840\u504f\u79fb&#xff0c;\u5c31\u5f97\u5230\u4e86 digest \u85cf\u5728\u54ea\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5bc6\u94a5&#xff08;key&#xff09;\u7684\u504f\u79fb\u4e5f\u662f\u540c\u7406&#xff0c;\u53ea\u662f\u8bfb\u7684\u4f4d\u7f6e\u4e0d\u540c\u3002<\/p>\n<\/p>\n<h4>3.3 \u9a8c\u8bc1\u5ba2\u6237\u7aef\u8eab\u4efd<\/h4>\n<p>\u670d\u52a1\u7aef\u62ff\u5230 C1 \u540e&#xff0c;\u8981\u505a\u7684\u4e8b\u662f&#xff1a;<\/p>\n<li>\u5206\u522b\u7528 Scheme 0 \u548c Scheme 1 \u5c1d\u8bd5\u89e3\u6790<\/li>\n<li>\u5bf9\u6bcf\u79cd\u65b9\u6848&#xff1a;\n<ul>\n<li>\u627e\u5230 digest \u7684\u4f4d\u7f6e<\/li>\n<li>\u628a digest \u524d\u540e\u7684\u6570\u636e\u62fc\u8d77\u6765&#xff08;\u76f8\u5f53\u4e8e&#034;\u53bb\u6389 digest \u540e\u7684\u7eaf\u51c0\u6570\u636e&#034;&#xff09;<\/li>\n<li>\u7528 FP_KEY \u7684\u524d 30 \u5b57\u8282\u505a HMAC-SHA256 \u5bc6\u94a5&#xff0c;\u5bf9\u7eaf\u51c0\u6570\u636e\u7b97\u54c8\u5e0c<\/li>\n<li>\u62ff\u7b97\u51fa\u6765\u7684\u54c8\u5e0c\u548c C1 \u91cc\u7684 digest \u6bd4\u5bf9<\/li>\n<\/ul>\n<\/li>\n<p>tmp_Hash, _ :&#061; HMAC_SHA256(c1_Part1_Part2, FP_KEY[:30])<br \/>\nok &#061; bytes.Equal(digest, tmp_Hash) <\/p>\n<p>\u5982\u679c\u5339\u914d\u4e0a\u4e86 \u2192 \u5ba2\u6237\u7aef\u8eab\u4efd\u786e\u8ba4\u00a0<\/p>\n<p>\u5982\u679c\u4e24\u79cd\u65b9\u6848\u90fd\u5931\u8d25 \u2192 &#034;\u4f60\u4e0d\u662f\u81ea\u5df1\u4eba&#xff01;&#034;\u00a0<\/p>\n<p>scheme, challenge, digest, ok, err &#061; clientScheme(C1, 1)<br \/>\nif ok { return &#8230; }<br \/>\nscheme, challenge, digest, ok, err &#061; clientScheme(C1, 0)<br \/>\nif ok { return &#8230; }<br \/>\nreturn &#8230; errors.New(&#034;Client scheme error&#034;) <\/p>\n<h4>3.4 \u670d\u52a1\u7aef\u56de\u656c S1 &#043; S2<\/h4>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u9a8c\u8bc1\u901a\u8fc7\u540e&#xff0c;\u670d\u52a1\u7aef\u8981\u56de\u4e24\u4e2a\u4e1c\u897f&#xff1a;S1\u200b \u548c S2\u3002<\/p>\n<p>\u6784\u9020 S1<\/p>\n<p>S1 :&#061; create_S1()  \/\/ \u968f\u673a\u751f\u6210 1536 \u5b57\u8282 <\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u7136\u540e\u627e\u5230 S1 \u91cc\u653e digest \u7684\u4f4d\u7f6e&#xff0c;\u628a&#034;\u53bb\u6389 digest \u533a\u57df\u7684\u7eaf\u51c0\u6570\u636e&#034;\u7528 FMS_KEY \u524d 36 \u5b57\u8282\u505a HMAC-SHA256&#xff0c;\u7b97\u51fa\u6765\u7684\u7ed3\u679c\u586b\u56de digest \u4f4d\u7f6e\u3002<\/p>\n<p>tmp_Hash, _ &#061; HMAC_SHA256(S1_Part1_Part2, FMS_KEY[:36])<br \/>\ncopy(S1[S1_Digest_Offset:], tmp_Hash) <\/p>\n<p>\u6784\u9020 S2<\/p>\n<p>S2 \u5206\u4e24\u90e8\u5206&#xff1a;<\/p>\n<p>S2 &#061; \u968f\u673a\u6570\u636e(1504\u5b57\u8282) &#043; digest(32\u5b57\u8282) <\/p>\n<p>digest \u7684\u751f\u6210\u94fe\u6761\u662f&#xff1a;<\/p>\n<p>digest &#061; HMAC-SHA256(\u968f\u673a\u6570\u636e, HMAC-SHA256(\u5ba2\u6237\u7aefdigest, FMS_KEY[:68]))<br \/>\ntmp_Hash, _ &#061; HMAC_SHA256(digest, FMS_KEY[:68])      \/\/ \u5148\u7528\u5ba2\u6237\u7aefdigest<br \/>\nS2_Digest, _ &#061; HMAC_SHA256(S2_Random, tmp_Hash)      \/\/ \u518d\u5bf9\u968f\u673a\u6570\u636e\u7b97 <\/p>\n<p>\u6700\u540e\u4e00\u628a\u53d1\u51fa\u53bb&#xff1a;<\/p>\n<p>buffer :&#061; net.Buffers{[]byte{RTMP_HANDSHAKE_VERSION}, S1, S2_Random, S2_Digest}<br \/>\nbuffer.WriteTo(nc)<br \/>\nnc.Skip(1536)  \/\/ \u8df3\u8fc7\u5ba2\u6237\u7aef\u53ef\u80fd\u53d1\u6765\u7684 C2&#xff08;\u590d\u6742\u63e1\u624b\u4e0d\u9700\u8981 C2&#xff09; <\/p>\n<h3>\u7b2c\u56db&#xff1a;\u6545\u4e8b\u603b\u7ed3<\/h3>\n<table>\n<tr>\n<p>\u9636\u6bb5<\/p>\n<p>\u7b80\u5355\u63e1\u624b<\/p>\n<p>\u590d\u6742\u63e1\u624b<\/p>\n<\/tr>\n<tbody>\n<tr>\n<td>\n<p>\u6807\u5fd7<\/p>\n<\/td>\n<td>\n<p>C1.Zero &#061;&#061; 0<\/p>\n<\/td>\n<td>\n<p>C1.Zero !&#061; 0<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>\u9a8c\u8bc1\u65b9\u5f0f<\/p>\n<\/td>\n<td>\n<p>\u539f\u6837\u8fd4\u56de\u6570\u636e<\/p>\n<\/td>\n<td>\n<p>HMAC-SHA256 \u7b7e\u540d\u9a8c\u8bc1<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>\u5bc6\u94a5<\/p>\n<\/td>\n<td>\n<p>\u65e0<\/p>\n<\/td>\n<td>\n<p>FP_KEY \/ FMS_KEY<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>\u5b89\u5168\u7b49\u7ea7<\/p>\n<\/td>\n<td>\n<p>\u4f4e&#xff08;\u8c01\u90fd\u80fd\u8fde&#xff09;<\/p>\n<\/td>\n<td>\n<p>\u9ad8&#xff08;\u9700\u8981&#034;\u6697\u53f7&#034;&#xff09;<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>\u5178\u578b\u573a\u666f<\/p>\n<\/td>\n<td>\n<p>\u8001\u5ba2\u6237\u7aef\u3001\u8c03\u8bd5<\/p>\n<\/td>\n<td>\n<p>Flash Player\u3001\u6b63\u89c4\u63a8\u6d41<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/p>\n<h3>\u7b2c\u4e94&#xff1a;\u6838\u5fc3\u5de5\u5177\u51fd\u6570\u4e00\u89c8<\/h3>\n<table>\n<tr>\n<p>\u51fd\u6570<\/p>\n<p>\u4f5c\u7528<\/p>\n<\/tr>\n<tbody>\n<tr>\n<td>\n<p>Handshake()<\/p>\n<\/td>\n<td>\n<p>\u5165\u53e3&#xff0c;\u6839\u636e Zero 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