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SDP
Generic URI
ABNF Notation
Session Description
Addressing
generic rules
"a=" SDP Attributes
SDP attributes defined in
RFC 6193 – Internet Key Exchange Protocol (IKE)
RFC 6193
–
Section 4
a=
ike‑setup
a=
psk‑fingerprint
attribute
=/
ike‑setup‑attr
/
psk‑fingerprint‑attribute
ike-setup-attr
=
"
ike‑setup:
"
role
role
=
"
active
" / "
passive
" / "
actpass
"
psk-fingerprint-attribute
=
"
psk‑fingerprint
" "
:
"
hash‑func
SP
psk‑fingerprint
hash-func
=
"
sha‑1
" / "
sha‑224
" / "
sha‑256
" / "
sha‑384
" / "
sha‑512
" /
token
psk-fingerprint
=
2
UHEX
*( "
:
" 2
UHEX
)
; each byte in upper‑case hex, separated by colons
UHEX
=
DIGIT
/ %x41‑46