Add MasterKeyIdentifier to use_srtp ext in flight3 (#835)

theodorsm · web-flow · commit e4b257d7ea9c · 2026-05-17T03:08:03.000+02:00
diff --git a/flight3handler.go b/flight3handler.go
@@ -307,7 +307,8 @@ func flight3Generate(
 
 	if len(cfg.localSRTPProtectionProfiles) > 0 {
 		extensions = append(extensions, &extension.UseSRTP{
-			ProtectionProfiles: cfg.localSRTPProtectionProfiles,
+			ProtectionProfiles:  cfg.localSRTPProtectionProfiles,
+			MasterKeyIdentifier: cfg.localSRTPMasterKeyIdentifier,
 		})
 	}
 
diff --git a/pkg/protocol/extension/use_srtp.go b/pkg/protocol/extension/use_srtp.go
@@ -15,7 +15,7 @@ const (
 // UseSRTP allows a Client/Server to negotiate what SRTPProtectionProfiles
 // they both support
 //
-// https://tools.ietf.org/html/rfc8422
+// https://datatracker.ietf.org/doc/html/rfc5764
 type UseSRTP struct {
 	ProtectionProfiles  []SRTPProtectionProfile
 	MasterKeyIdentifier []byte

Original file line number	Diff line number	Diff line change
`@@ -307,7 +307,8 @@ func flight3Generate(`
`307`	`307`
`308`	`308`	`if len(cfg.localSRTPProtectionProfiles) > 0 {`
`309`	`309`	`extensions = append(extensions, &extension.UseSRTP{`
`310`		`- ProtectionProfiles: cfg.localSRTPProtectionProfiles,`
	`310`	`+ ProtectionProfiles: cfg.localSRTPProtectionProfiles,`
	`311`	`+ MasterKeyIdentifier: cfg.localSRTPMasterKeyIdentifier,`
`311`	`312`	`})`
`312`	`313`	`}`
`313`	`314`