wireshark/asn1/kerberos/KerberosV5Spec2.asn

439 lines
15 KiB
Groff

--http://www.ietf.org/rfc/rfc4120.txt?number=4120
KerberosV5Spec2 {
iso(1) identified-organization(3) dod(6) internet(1)
security(5) kerberosV5(2) modules(4) krb5spec2(2)
} DEFINITIONS EXPLICIT TAGS ::= BEGIN
-- OID arc for KerberosV5
--
-- This OID may be used to identify Kerberos protocol messages
-- encapsulated in other protocols.
--
-- This OID also designates the OID arc for KerberosV5-related OIDs.
--
-- NOTE: RFC 1510 had an incorrect value (5) for "dod" in its OID.
-- WS construct
Applications ::= CHOICE {
ticket Ticket, -- 1 --
authenticator Authenticator, -- 2 --
encTicketPart EncTicketPart, -- 3 --
as-req AS-REQ, -- 10 --
as-rep AS-REP, -- 11 --
tgs-req TGS-REQ, -- 12 --
tgs-rep TGS-REP, -- 13 --
ap-req AP-REQ, -- 14 --
ap-rep AP-REP, -- 15 --
krb-safe KRB-SAFE, -- 20 --
krb-priv KRB-PRIV, -- 21 --
krb-cred KRB-CRED, -- 22 --
encASRepPart EncASRepPart, -- 25 --
encTGSRepPart EncTGSRepPart, -- 26 --
encAPRepPart EncAPRepPart, -- 27 --
encKrbPrivPart EncKrbPrivPart, -- 28 --
encKrbCredPart EncKrbCredPart, -- 29 --
krb-error KRB-ERROR -- 30 --
}
-- end WS construct
id-krb5 OBJECT IDENTIFIER ::= {
iso(1) identified-organization(3) dod(6) internet(1)
security(5) kerberosV5(2)
}
Int32 ::= INTEGER (-2147483648..2147483647)
-- signed values representable in 32 bits
UInt32 ::= INTEGER (0..4294967295)
-- unsigned 32 bit values
Microseconds ::= INTEGER (0..999999)
-- microseconds
KerberosString ::= GeneralString (IA5String)
Realm ::= KerberosString
PrincipalName ::= SEQUENCE {
-- name-type [0] Int32, Use the translationj from krb5.asn (Heimdahl)
name-type [0] NAME-TYPE,
name-string [1] SEQUENCE OF KerberosString
}
KerberosTime ::= GeneralizedTime -- with no fractional seconds
HostAddress ::= SEQUENCE {
-- addr-type [0] Int32,
addr-type [0] ADDR-TYPE, --use k5.asn
address [1] OCTET STRING
}
-- NOTE: HostAddresses is always used as an OPTIONAL field and
-- should not be empty.
HostAddresses -- NOTE: subtly different from rfc1510,
-- but has a value mapping and encodes the same
::= SEQUENCE OF HostAddress
-- NOTE: AuthorizationData is always used as an OPTIONAL field and
-- should not be empty.
AuthorizationData ::= SEQUENCE OF SEQUENCE {
ad-type [0] Int32,
ad-data [1] OCTET STRING
}
PA-DATA ::= SEQUENCE {
-- NOTE: first tag is [1], not [0]
-- padata-type [1] Int32, use k5.asn
padata-type [1] PADATA-TYPE,
padata-value [2] OCTET STRING -- might be encoded AP-REQ
}
KerberosFlags ::= BIT STRING (SIZE (32..MAX))
-- minimum number of bits shall be sent,
-- but no fewer than 32
EncryptedData ::= SEQUENCE {
-- etype [0] Int32 - - EncryptionType - -, Use k5.asn
etype [0] ENCTYPE -- EncryptionType --,
kvno [1] UInt32 OPTIONAL,
cipher [2] OCTET STRING -- ciphertext
}
EncryptionKey ::= SEQUENCE {
keytype [0] Int32 -- actually encryption type --,
keyvalue [1] OCTET STRING
}
Checksum ::= SEQUENCE {
-- cksumtype [0] Int32, Use k5.asn
cksumtype [0] CKSUMTYPE,
checksum [1] OCTET STRING
}
Ticket ::= [APPLICATION 1] SEQUENCE {
tkt-vno [0] INTEGER (5),
realm [1] Realm,
sname [2] PrincipalName,
enc-part [3] EncryptedData -- EncTicketPart
}
-- Encrypted part of ticket
EncTicketPart ::= [APPLICATION 3] SEQUENCE {
flags [0] TicketFlags,
key [1] EncryptionKey,
crealm [2] Realm,
cname [3] PrincipalName,
transited [4] TransitedEncoding,
authtime [5] KerberosTime,
starttime [6] KerberosTime OPTIONAL,
endtime [7] KerberosTime,
renew-till [8] KerberosTime OPTIONAL,
caddr [9] HostAddresses OPTIONAL,
authorization-data [10] AuthorizationData OPTIONAL
}
-- encoded Transited field
TransitedEncoding ::= SEQUENCE {
tr-type [0] Int32 -- must be registered --,
contents [1] OCTET STRING
}
-- Use the k5.asn def
-- TicketFlags ::= KerberosFlags
-- reserved(0),
-- forwardable(1),
-- forwarded(2),
-- proxiable(3),
-- proxy(4),
-- may-postdate(5),
-- postdated(6),
-- invalid(7),
-- renewable(8),
-- initial(9),
-- pre-authent(10),
-- hw-authent(11),
-- the following are new since 1510
-- transited-policy-checked(12),
-- ok-as-delegate(13)
AS-REQ ::= [APPLICATION 10] KDC-REQ
TGS-REQ ::= [APPLICATION 12] KDC-REQ
KDC-REQ ::= SEQUENCE {
-- NOTE: first tag is [1], not [0]
pvno [1] INTEGER (5) ,
-- msg-type [2] INTEGER (10 - - AS - - | 12 - - TGS - -),
-- msg-type [2] INTEGER, use k5.asn
msg-type [2] MESSAGE-TYPE,
padata [3] SEQUENCE OF PA-DATA OPTIONAL
-- NOTE: not empty --,
req-body [4] KDC-REQ-BODY
}
KDC-REQ-BODY ::= SEQUENCE {
kdc-options [0] KDCOptions,
cname [1] PrincipalName OPTIONAL
-- Used only in AS-REQ --,
realm [2] Realm
-- Server's realm
-- Also client's in AS-REQ --,
sname [3] PrincipalName OPTIONAL,
from [4] KerberosTime OPTIONAL,
till [5] KerberosTime,
rtime [6] KerberosTime OPTIONAL,
nonce [7] UInt32,
-- etype [8] SEQUENCE OF Int32 - - EncryptionType Use k5.asn
etype [8] SEQUENCE OF ENCTYPE -- EncryptionType
-- in preference order --,
addresses [9] HostAddresses OPTIONAL,
enc-authorization-data [10] EncryptedData OPTIONAL
-- AuthorizationData --,
additional-tickets [11] SEQUENCE OF Ticket OPTIONAL
-- NOTE: not empty
}
-- Use th k5.asn def
--KDCOptions ::= KerberosFlags
-- reserved(0),
-- forwardable(1),
-- forwarded(2),
-- proxiable(3),
-- proxy(4),
-- allow-postdate(5),
-- postdated(6),
-- unused7(7),
-- renewable(8),
-- unused9(9),
-- unused10(10),
-- opt-hardware-auth(11),
-- unused12(12),
-- unused13(13),
-- 15 is reserved for canonicalize
-- unused15(15),
-- 26 was unused in 1510
-- disable-transited-check(26),
--
-- renewable-ok(27),
-- enc-tkt-in-skey(28),
-- renew(30),
-- validate(31)
AS-REP ::= [APPLICATION 11] KDC-REP
TGS-REP ::= [APPLICATION 13] KDC-REP
KDC-REP ::= SEQUENCE {
pvno [0] INTEGER (5),
-- msg-type [1] INTEGER (11 - - AS - - | 13 - - TGS - -),
-- msg-type [1] INTEGER, use k5.asn
msg-type [1] MESSAGE-TYPE,
padata [2] SEQUENCE OF PA-DATA OPTIONAL
-- NOTE: not empty --,
crealm [3] Realm,
cname [4] PrincipalName,
ticket [5] Ticket,
enc-part [6] EncryptedData
-- EncASRepPart or EncTGSRepPart,
-- as appropriate
}
EncASRepPart ::= [APPLICATION 25] EncKDCRepPart
EncTGSRepPart ::= [APPLICATION 26] EncKDCRepPart
EncKDCRepPart ::= SEQUENCE {
key [0] EncryptionKey,
last-req [1] LastReq,
nonce [2] UInt32,
key-expiration [3] KerberosTime OPTIONAL,
flags [4] TicketFlags,
authtime [5] KerberosTime,
starttime [6] KerberosTime OPTIONAL,
endtime [7] KerberosTime,
renew-till [8] KerberosTime OPTIONAL,
srealm [9] Realm,
sname [10] PrincipalName,
caddr [11] HostAddresses OPTIONAL,
encrypted-pa-data[12] METHOD-DATA OPTIONAL -- from k5.asn
}
LastReq ::= SEQUENCE OF SEQUENCE {
-- lr-type [0] Int32, Use k5.asn
lr-type [0] LR-TYPE,
lr-value [1] KerberosTime
}
AP-REQ ::= [APPLICATION 14] SEQUENCE {
pvno [0] INTEGER (5),
-- msg-type [1] INTEGER (14), use k5.asn
msg-type [1] MESSAGE-TYPE,
ap-options [2] APOptions,
ticket [3] Ticket,
authenticator [4] EncryptedData -- Authenticator
}
-- Use the krb5.asn def.
--APOptions ::= KerberosFlags
-- reserved(0),
-- use-session-key(1),
-- mutual-required(2)
-- Unencrypted authenticator
Authenticator ::= [APPLICATION 2] SEQUENCE {
authenticator-vno [0] INTEGER (5),
crealm [1] Realm,
cname [2] PrincipalName,
cksum [3] Checksum OPTIONAL,
cusec [4] Microseconds,
ctime [5] KerberosTime,
subkey [6] EncryptionKey OPTIONAL,
seq-number [7] UInt32 OPTIONAL,
authorization-data [8] AuthorizationData OPTIONAL
}
AP-REP ::= [APPLICATION 15] SEQUENCE {
pvno [0] INTEGER (5),
-- msg-type [1] INTEGER (15), Use k5.asn
msg-type [1] MESSAGE-TYPE,
enc-part [2] EncryptedData -- EncAPRepPart
}
EncAPRepPart ::= [APPLICATION 27] SEQUENCE {
ctime [0] KerberosTime,
cusec [1] Microseconds,
subkey [2] EncryptionKey OPTIONAL,
seq-number [3] UInt32 OPTIONAL
}
KRB-SAFE ::= [APPLICATION 20] SEQUENCE {
pvno [0] INTEGER (5),
-- msg-type [1] INTEGER (20), use k5.asn
msg-type [1] MESSAGE-TYPE,
safe-body [2] KRB-SAFE-BODY,
cksum [3] Checksum
}
KRB-SAFE-BODY ::= SEQUENCE {
user-data [0] OCTET STRING,
timestamp [1] KerberosTime OPTIONAL,
usec [2] Microseconds OPTIONAL,
seq-number [3] UInt32 OPTIONAL,
s-address [4] HostAddress,
r-address [5] HostAddress OPTIONAL
}
KRB-PRIV ::= [APPLICATION 21] SEQUENCE {
pvno [0] INTEGER (5),
-- msg-type [1] INTEGER (21), Use k5.asn
msg-type [1] MESSAGE-TYPE,
-- NOTE: there is no [2] tag
enc-part [3] EncryptedData -- EncKrbPrivPart
}
EncKrbPrivPart ::= [APPLICATION 28] SEQUENCE {
user-data [0] OCTET STRING,
timestamp [1] KerberosTime OPTIONAL,
usec [2] Microseconds OPTIONAL,
seq-number [3] UInt32 OPTIONAL,
s-address [4] HostAddress -- sender's addr --,
r-address [5] HostAddress OPTIONAL -- recip's addr
}
KRB-CRED ::= [APPLICATION 22] SEQUENCE {
pvno [0] INTEGER (5),
-- msg-type [1] INTEGER (22), use k5.asn
msg-type [1] MESSAGE-TYPE,
tickets [2] SEQUENCE OF Ticket,
enc-part [3] EncryptedData -- EncKrbCredPart
}
EncKrbCredPart ::= [APPLICATION 29] SEQUENCE {
ticket-info [0] SEQUENCE OF KrbCredInfo,
nonce [1] UInt32 OPTIONAL,
timestamp [2] KerberosTime OPTIONAL,
usec [3] Microseconds OPTIONAL,
s-address [4] HostAddress OPTIONAL,
r-address [5] HostAddress OPTIONAL
}
KrbCredInfo ::= SEQUENCE {
key [0] EncryptionKey,
prealm [1] Realm OPTIONAL,
pname [2] PrincipalName OPTIONAL,
flags [3] TicketFlags OPTIONAL,
authtime [4] KerberosTime OPTIONAL,
starttime [5] KerberosTime OPTIONAL,
endtime [6] KerberosTime OPTIONAL,
renew-till [7] KerberosTime OPTIONAL,
srealm [8] Realm OPTIONAL,
sname [9] PrincipalName OPTIONAL,
caddr [10] HostAddresses OPTIONAL
}
KRB-ERROR ::= [APPLICATION 30] SEQUENCE {
pvno [0] INTEGER (5),
-- msg-type [1] INTEGER (30), use k5.asn
msg-type [1] MESSAGE-TYPE,
ctime [2] KerberosTime OPTIONAL,
cusec [3] Microseconds OPTIONAL,
stime [4] KerberosTime,
susec [5] Microseconds,
-- error-code [6] Int32,
error-code [6] ERROR-CODE, -- Use k5.asn
crealm [7] Realm OPTIONAL,
cname [8] PrincipalName OPTIONAL,
realm [9] Realm -- service realm --,
sname [10] PrincipalName -- service name --,
e-text [11] KerberosString OPTIONAL,
e-data [12] OCTET STRING OPTIONAL
}
METHOD-DATA ::= SEQUENCE OF PA-DATA
TYPED-DATA ::= SEQUENCE SIZE (1..MAX) OF SEQUENCE {
data-type [0] Int32,
data-value [1] OCTET STRING OPTIONAL
}
-- preauth stuff follows
PA-ENC-TIMESTAMP ::= EncryptedData -- PA-ENC-TS-ENC
PA-ENC-TS-ENC ::= SEQUENCE {
patimestamp [0] KerberosTime -- client's time --,
pausec [1] Microseconds OPTIONAL
}
ETYPE-INFO-ENTRY ::= SEQUENCE {
-- etype [0] Int32, use k5.asn
etype [0] ENCTYPE,
salt [1] OCTET STRING OPTIONAL
}
ETYPE-INFO ::= SEQUENCE OF ETYPE-INFO-ENTRY
ETYPE-INFO2-ENTRY ::= SEQUENCE {
-- etype [0] Int32, use k5.asn
etype [0] ENCTYPE,
salt [1] KerberosString OPTIONAL,
s2kparams [2] OCTET STRING OPTIONAL
}
ETYPE-INFO2 ::= SEQUENCE SIZE (1..MAX) OF ETYPE-INFO2-ENTRY
AD-IF-RELEVANT ::= AuthorizationData
AD-KDCIssued ::= SEQUENCE {
ad-checksum [0] Checksum,
i-realm [1] Realm OPTIONAL,
i-sname [2] PrincipalName OPTIONAL,
elements [3] AuthorizationData
}
AD-AND-OR ::= SEQUENCE {
condition-count [0] Int32,
elements [1] AuthorizationData
}
AD-MANDATORY-FOR-KDC ::= AuthorizationData
END