ABNF for SIP Headers

(11 of 93)

SIP Header — Authorization

Section 20.7 of RFC 3261 and ABNF in RFC 3261
See also: Proxy-Authorization

Authorization =

"Authorization" HCOLON credentials

; example:
; Authorization: Digest username="bob", realm="atlanta.example.com"
; nonce="ea9c8e88df84f1cec4341ae6cbe5a359", opaque="",
; uri="sips:ss2.biloxi.example.com",
; response="dfe56131d1958046689d83306477ecc"

credentials =

( "Digest" LWS digest‑response ) / other‑response

digest-response =

dig‑resp *( COMMA dig‑resp )

dig-resp =

username /
realm /
nonce /
digest‑uri /
dresponse /
algorithm / ; see RFC 3310 – Section 3.1
cnonce /
opaque /
message‑qop /
nonce‑count /
auth‑param / ; see 3GPP TS 24.229 – Section 7.2A.2
auts ; see RFC 3310 – Section 3.4

username =

"username" EQUAL username‑value

username-value =

quoted‑string

digest-uri =

"uri" EQUAL LDQUOT digest‑uri‑value RDQUOT

digest-uri-value =

request-uri ; equal to request-uri as specified by HTTP/1.1

message-qop =

"qop" EQUAL qop‑value

cnonce =

"cnonce" EQUAL cnonce‑value

cnonce-value =

nonce‑value

nonce-count =

"nc" EQUAL nc‑value

nc-value =

8LHEX

dresponse =

"response" EQUAL request‑digest

request-digest =

LDQUOT 32LHEX RDQUOT

auth-param =

auth‑param‑name EQUAL ( token / quoted‑string )

auth-param = ; as redefined by 3GPP TS 24.229

"integrity-protected" EQUAL
( "yes" / "no" / "tls‑pending" / "tls‑yes" / "ip‑assoc‑pending" / "ip‑assoc‑yes" / "auth‑done" )

auth-param-name =

token

auts =

"auts" EQUAL auts‑param

auts-param =

LDQUOT auts‑value RDQUOT

auts-value =

other-response =

auth‑scheme LWS auth‑param *( COMMA auth‑param )

auth-scheme =

token