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https://github.com/moparisthebest/xeps
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0.2
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Peter Saint-Andre
parent
c15a0cb35c
commit
1a7984742a
64
xep-0320.xml
64
xep-0320.xml
@ -18,6 +18,7 @@
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<spec>XMPP Core</spec>
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<spec>XEP-0166</spec>
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<spec>XEP-0167</spec>
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<spec>RFC 4145</spec>
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<spec>RFC 4572</spec>
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<spec>RFC 5763</spec>
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</dependencies>
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@ -31,6 +32,18 @@
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-->
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<discuss>jingle</discuss>
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&fippo;
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<revision>
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<version>0.2</version>
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<date>2013-10-22</date>
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<initials>ph</initials>
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<remark>
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<ul>
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<li>Changed namespace to urn:xmpp:jingle:apps:dtls:0.</li>
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<li>Removed "required" attribute based on implementation feedback.</li>
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<li>Added setup attribute to map SDP setup attribute.</li>
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</ul>
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</remark>
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</revision>
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<revision>
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<version>0.1</version>
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<date>2013-04-16</date>
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@ -62,18 +75,23 @@ a=fingerprint:hash-func fingerprint
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<code>
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a=fingerprint:sha-256 02:1A:CC:54:27:AB:EB:9C:53:3F:3E:4B:65:2E:7D:46:3F:54:42:CD:54:F1:7A:03:A2:7D:F9:B0:7F:46:19:B2
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</code>
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<p>This SDP attribute can be translated into Jingle as a <fingerprint/> element qualified by the 'urn:xmpp:tmp:jingle:apps:dtls:0' namespace, as shown below.</p>
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<p>Additionally, the SDP setup attribute defined in &rfc4145; must be mapped, whose usage for DTLS-SRTP is defined in <cite>RFC 5763</cite>.</p>
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<code>
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a=setup:role
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</code>
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<p>These SDP attributes can be translated into Jingle as a <fingerprint/> element qualified by the 'urn:xmpp:jingle:apps:dtls:0' namespace, as shown below.</p>
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<code><![CDATA[
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<fingerprint xmlns='urn:xmpp:tmp:jingle:apps:dtls:0' hash='hash-func'>fingerprint</fingerprint>
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<fingerprint xmlns='urn:xmpp:jingle:apps:dtls:0' hash='hash-func' setup='role'>
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fingerprint
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</fingerprint>
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]]></code>
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<p>An example follows.</p>
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<code><![CDATA[
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<fingerprint mlns='urn:xmpp:tmp:jingle:apps:dtls:0' hash='sha-256'>
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<fingerprint mlns='urn:xmpp:jingle:apps:dtls:0' hash='sha-256' setup='actpass'>
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02:1A:CC:54:27:AB:EB:9C:53:3F:3E:4B:65:2E:7D:46:3F:54:42:CD:54:F1:7A:03:A2:7D:F9:B0:7F:46:19:B2
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</fingerprint>
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]]></code>
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<p>Note: since DTLS can be used to protect non-RTP sessions like SCTP including the fingerprint in the <encryption/> element defined in &xep0167; was deemed inappropriate. Also, the <encryption/> element defined there only applies to the encryption of the RTP data part, whereas DTLS (and DTLS-SRTP) protects the whole message.</p>
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<p>If the Jingle initiator wishes to use DTLS-SRTP, it includes the <fingerprint/> element in its session invitation. If the initiator requires the use of DTLS, the <fingerprint/> element MUST include a 'required' attribute whose logical value is TRUE and whose lexical value is "true" or "1" &BOOLEANNOTE;, where this attribute defaults to a logical value of FALSE (i.e., a lexical value of "false" or "0").</p>
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<p>If the Jingle initiator wishes to use DTLS-SRTP, it includes the <fingerprint/> element in its session invitation.</p>
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<example caption="Initiator sends session invitation with DTLS fingerprint"><![CDATA[
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<iq from='romeo@montague.lit/orchard'
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id='uz61v4m4'
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@ -94,9 +112,9 @@ a=fingerprint:sha-256 02:1A:CC:54:27:AB:EB:9C:53:3F:3E:4B:65:2E:7D:46:3F:54:42:C
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<transport xmlns='urn:xmpp:jingle:transports:ice-udp:1'
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pwd='asd88fgpdd777uzjYhagZg'
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ufrag='8hhy'>
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<fingerprint xmlns='urn:xmpp:tmp:jingle:apps:dtls:0' hash='sha-256' required='true'>
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02:1A:CC:54:27:AB:EB:9C:53:3F:3E:4B:65:2E:7D:46:3F:54:42:CD:54:F1:7A:03:A2:7D:F9:B0:7F:46:19:B2
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</fingerprint>
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<fingerprint xmlns='urn:xmpp:jingle:apps:dtls:0' hash='sha-256' setup='actpass'>
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02:1A:CC:54:27:AB:EB:9C:53:3F:3E:4B:65:2E:7D:46:3F:54:42:CD:54:F1:7A:03:A2:7D:F9:B0:7F:46:19:B2
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</fingerprint>
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<candidate component='1'
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foundation='1'
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generation='0'
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@ -143,9 +161,9 @@ a=fingerprint:sha-256 02:1A:CC:54:27:AB:EB:9C:53:3F:3E:4B:65:2E:7D:46:3F:54:42:C
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<transport xmlns='urn:xmpp:jingle:transports:ice-udp:1'
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pwd='YH75Fviy6338Vbrhrlp8Yh'
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ufrag='9uB6'>
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<fingerprint xmlns='urn:xmpp:tmp:jingle:apps:dtls:0' hash='sha-256' required='1'>
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BD:E8:2C:D3:BD:B6:98:50:45:7D:5B:36:89:53:31:15:52:25:88:82:06:95:88:A3:3D:A5:43:8D:5C:21:21:66
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</fingerprint>
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<fingerprint xmlns='urn:xmpp:jingle:apps:dtls:0' hash='sha-256' setup='active'>
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BD:E8:2C:D3:BD:B6:98:50:45:7D:5B:36:89:53:31:15:52:25:88:82:06:95:88:A3:3D:A5:43:8D:5C:21:21:66
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</fingerprint>
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<candidate component='1'
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foundation='1'
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generation='0'
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@ -176,9 +194,9 @@ a=fingerprint:sha-256 02:1A:CC:54:27:AB:EB:9C:53:3F:3E:4B:65:2E:7D:46:3F:54:42:C
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<transport xmlns='urn:xmpp:jingle:transports:ice-udp:1'
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pwd='YH75Fviy6338Vbrhrlp8Yh'
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ufrag='9uB6'>
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<fingerprint xmlns='urn:xmpp:tmp:jingle:apps:dtls:0' hash='sha-256' required='1'>
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BD:E8:2C:D3:BD:B6:98:50:45:7D:5B:36:89:53:31:15:52:25:88:82:06:95:88:A3:3D:A5:43:8D:5C:21:21:66
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</fingerprint>
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<fingerprint xmlns='urn:xmpp:jingle:apps:dtls:0' hash='sha-256' setup='active'>
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BD:E8:2C:D3:BD:B6:98:50:45:7D:5B:36:89:53:31:15:52:25:88:82:06:95:88:A3:3D:A5:43:8D:5C:21:21:66
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</fingerprint>
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<candidate component='1'
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foundation='1'
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generation='0'
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@ -230,7 +248,7 @@ a=fingerprint:sha-256 02:1A:CC:54:27:AB:EB:9C:53:3F:3E:4B:65:2E:7D:46:3F:54:42:C
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</section1>
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<section1 topic='Acknowledgements' anchor='acks'>
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<p>Thanks to Justin Uberti.</p>
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<p>Thanks to Justin Uberti and Lance Stout.</p>
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</section1>
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<section1 topic='XMPP Registrar Considerations' anchor='registrar'>
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@ -252,8 +270,8 @@ a=fingerprint:sha-256 02:1A:CC:54:27:AB:EB:9C:53:3F:3E:4B:65:2E:7D:46:3F:54:42:C
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<xs:schema
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xmlns:xs='http://www.w3.org/2001/XMLSchema'
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targetNamespace='urn:xmpp:tmp:jingle:apps:dtls:0'
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xmlns='urn:xmpp:tmp:jingle:apps:dtls:0'
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targetNamespace='urn:xmpp:jingle:apps:dtls:0'
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xmlns='urn:xmpp:jingle:apps:dtls:0'
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elementFormDefault='qualified'>
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<xs:annotation>
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@ -268,12 +286,20 @@ a=fingerprint:sha-256 02:1A:CC:54:27:AB:EB:9C:53:3F:3E:4B:65:2E:7D:46:3F:54:42:C
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<xs:simpleContent>
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<xs:extension base='xs:string'>
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<xs:attribute name='hash' type='xs:string' use='required'/>
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<xs:attribute name='required' type='xs:boolean' default='false'/>
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<xs:attribute name='setup' use='required'/>
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<xs:simpleType>
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<xs:restriction base='xs:NCName'>
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<xs:enumeration value='active'/>
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<xs:enumeration value='passive'/>
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<xs:enumeration value='actpass'/>
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<xs:enumeration value='holdconn'/>
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</xs:restriction>
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</xs:simpleType>
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</xs:attribute>
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</xs:extension>
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</xs:simpleContent>
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</xs:complexType>
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</xs:element>
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</xs:schema>
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]]></code>
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</section1>
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