1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
|
-- $Id$
KERBEROS5 DEFINITIONS ::=
BEGIN
EXPORTS
AD-AND-OR,
AD-IF-RELEVANT,
AD-KDCIssued,
AD-LoginAlias,
AP-REP,
AP-REQ,
AS-REP,
AS-REQ,
AUTHDATA-TYPE,
Authenticator,
AuthorizationData,
AuthorizationDataElement,
CKSUMTYPE,
ChangePasswdDataMS,
Checksum,
CompositePrincipal,
ENCTYPE,
ETYPE-INFO,
ETYPE-INFO-ENTRY,
ETYPE-INFO2,
ETYPE-INFO2-ENTRY,
EncAPRepPart,
EncASRepPart,
EncKDCRepPart,
EncKrbCredPart,
EncKrbPrivPart,
EncTGSRepPart,
EncTicketPart,
EncryptedData,
EncryptionKey,
EtypeList,
HostAddress,
HostAddresses,
KDC-REQ-BODY,
KDCOptions,
KDC-REP,
KRB-CRED,
KRB-ERROR,
KRB-PRIV,
KRB-SAFE,
KRB-SAFE-BODY,
KerberosString,
KerberosTime,
KrbCredInfo,
LR-TYPE,
LastReq,
METHOD-DATA,
NAME-TYPE,
PA-ClientCanonicalized,
PA-ClientCanonicalizedNames,
PA-DATA,
PA-ENC-TS-ENC,
PA-KERB-KEY-LIST-REP,
PA-KERB-KEY-LIST-REQ,
PA-PAC-OPTIONS,
PA-PAC-REQUEST,
PA-S4U2Self,
PA-S4U-X509-USER,
PA-SERVER-REFERRAL-DATA,
PA-ServerReferralData,
PA-SvrReferralData,
PADATA-TYPE,
PA-FX-FAST-REQUEST,
PA-FX-FAST-REPLY,
Principal,
PrincipalName,
Principals,
Realm,
TGS-REP,
TGS-REQ,
Ticket,
TicketFlags,
TransitedEncoding,
TypedData,
KrbFastResponse,
KrbFastFinished,
KrbFastReq,
KrbFastArmor,
KrbFastArmoredReq,
KDCFastState,
KDCFastCookie,
KDC-PROXY-MESSAGE,
KERB-AD-RESTRICTION-ENTRY,
KERB-TIMES,
KERB-CRED,
KERB-TGS-REQ-IN,
KERB-TGS-REQ-OUT,
KERB-ARMOR-SERVICE-REPLY
;
NAME-TYPE ::= INTEGER {
KRB5_NT_UNKNOWN(0), -- Name type not known
KRB5_NT_PRINCIPAL(1), -- Just the name of the principal as in
KRB5_NT_SRV_INST(2), -- Service and other unique instance (krbtgt)
KRB5_NT_SRV_HST(3), -- Service with host name as instance
KRB5_NT_SRV_XHST(4), -- Service with host as remaining components
KRB5_NT_UID(5), -- Unique ID
KRB5_NT_X500_PRINCIPAL(6), -- PKINIT
KRB5_NT_SMTP_NAME(7), -- Name in form of SMTP email name
KRB5_NT_ENTERPRISE_PRINCIPAL(10), -- Windows 2000 UPN
KRB5_NT_WELLKNOWN(11), -- Wellknown
KRB5_NT_SRV_HST_DOMAIN(12), -- Domain based service with host name as instance (RFC5179)
KRB5_NT_ENT_PRINCIPAL_AND_ID(-130), -- Windows 2000 UPN and SID
KRB5_NT_MS_PRINCIPAL(-128), -- NT 4 style name
KRB5_NT_MS_PRINCIPAL_AND_ID(-129), -- NT style name and SID
KRB5_NT_NTLM(-1200), -- NTLM name, realm is domain
KRB5_NT_X509_GENERAL_NAME(-1201), -- x509 general name (base64 encoded)
KRB5_NT_GSS_HOSTBASED_SERVICE(-1202), -- not used; remove
KRB5_NT_CACHE_UUID(-1203), -- name is actually a uuid pointing to ccache, use client name in cache
KRB5_NT_SRV_HST_NEEDS_CANON (-195894762) -- Internal: indicates that name canonicalization is needed
}
-- message types
MESSAGE-TYPE ::= INTEGER {
krb-as-req(10), -- Request for initial authentication
krb-as-rep(11), -- Response to KRB_AS_REQ request
krb-tgs-req(12), -- Request for authentication based on TGT
krb-tgs-rep(13), -- Response to KRB_TGS_REQ request
krb-ap-req(14), -- application request to server
krb-ap-rep(15), -- Response to KRB_AP_REQ_MUTUAL
krb-safe(20), -- Safe (checksummed) application message
krb-priv(21), -- Private (encrypted) application message
krb-cred(22), -- Private (encrypted) message to forward credentials
krb-error(30) -- Error response
}
-- pa-data types
PADATA-TYPE ::= INTEGER {
KRB5-PADATA-NONE(0),
KRB5-PADATA-TGS-REQ(1),
KRB5-PADATA-AP-REQ(1),
KRB5-PADATA-ENC-TIMESTAMP(2),
KRB5-PADATA-PW-SALT(3),
KRB5-PADATA-ENC-UNIX-TIME(5),
KRB5-PADATA-SANDIA-SECUREID(6),
KRB5-PADATA-SESAME(7),
KRB5-PADATA-OSF-DCE(8),
KRB5-PADATA-CYBERSAFE-SECUREID(9),
KRB5-PADATA-AFS3-SALT(10),
KRB5-PADATA-ETYPE-INFO(11),
KRB5-PADATA-SAM-CHALLENGE(12), -- (sam/otp)
KRB5-PADATA-SAM-RESPONSE(13), -- (sam/otp)
KRB5-PADATA-PK-AS-REQ-19(14), -- (PKINIT-19)
KRB5-PADATA-PK-AS-REP-19(15), -- (PKINIT-19)
KRB5-PADATA-PK-AS-REQ-WIN(15), -- (PKINIT - old number)
KRB5-PADATA-PK-AS-REQ(16), -- (PKINIT-25)
KRB5-PADATA-PK-AS-REP(17), -- (PKINIT-25)
KRB5-PADATA-PA-PK-OCSP-RESPONSE(18),
KRB5-PADATA-ETYPE-INFO2(19),
KRB5-PADATA-USE-SPECIFIED-KVNO(20),
KRB5-PADATA-SVR-REFERRAL-INFO(20), --- old ms referral number
KRB5-PADATA-SAM-REDIRECT(21), -- (sam/otp)
KRB5-PADATA-GET-FROM-TYPED-DATA(22),
KRB5-PADATA-SAM-ETYPE-INFO(23),
KRB5-PADATA-SERVER-REFERRAL(25),
KRB5-PADATA-ALT-PRINC(24), -- (crawdad@fnal.gov)
KRB5-PADATA-SAM-CHALLENGE2(30), -- (kenh@pobox.com)
KRB5-PADATA-SAM-RESPONSE2(31), -- (kenh@pobox.com)
KRB5-PA-EXTRA-TGT(41), -- Reserved extra TGT
KRB5-PADATA-FX-FAST-ARMOR(71), -- fast armor
KRB5-PADATA-TD-KRB-PRINCIPAL(102), -- PrincipalName
KRB5-PADATA-PK-TD-TRUSTED-CERTIFIERS(104), -- PKINIT
KRB5-PADATA-PK-TD-CERTIFICATE-INDEX(105), -- PKINIT
KRB5-PADATA-TD-APP-DEFINED-ERROR(106), -- application specific
KRB5-PADATA-TD-REQ-NONCE(107), -- INTEGER
KRB5-PADATA-TD-REQ-SEQ(108), -- INTEGER
KRB5-PADATA-PA-PAC-REQUEST(128), -- jbrezak@exchange.microsoft.com
KRB5-PADATA-FOR-USER(129), -- MS-KILE
KRB5-PADATA-FOR-X509-USER(130), -- MS-KILE
KRB5-PADATA-FOR-CHECK-DUPS(131), -- MS-KILE
KRB5-PADATA-AS-CHECKSUM(132), -- MS-KILE
KRB5-PADATA-PK-AS-09-BINDING(132), -- client send this to
-- tell KDC that is supports
-- the asCheckSum in the
-- PK-AS-REP
KRB5-PADATA-FX-COOKIE(133), -- krb-wg-preauth-framework
KRB5-PADATA-AUTHENTICATION-SET(134), -- krb-wg-preauth-framework
KRB5-PADATA-AUTH-SET-SELECTED(135), -- krb-wg-preauth-framework
KRB5-PADATA-FX-FAST(136), -- krb-wg-preauth-framework
KRB5-PADATA-FX-ERROR(137), -- krb-wg-preauth-framework
KRB5-PADATA-ENCRYPTED-CHALLENGE(138), -- krb-wg-preauth-framework
KRB5-PADATA-OTP-CHALLENGE(141), -- (gareth.richards@rsa.com)
KRB5-PADATA-OTP-REQUEST(142), -- (gareth.richards@rsa.com)
KBB5-PADATA-OTP-CONFIRM(143), -- (gareth.richards@rsa.com)
KRB5-PADATA-OTP-PIN-CHANGE(144), -- (gareth.richards@rsa.com)
KRB5-PADATA-EPAK-AS-REQ(145),
KRB5-PADATA-EPAK-AS-REP(146),
KRB5-PADATA-PKINIT-KX(147), -- krb-wg-anon
KRB5-PADATA-PKU2U-NAME(148), -- zhu-pku2u
KRB5-PADATA-REQ-ENC-PA-REP(149), --
KER5-PADATA-KERB-KEY-LIST-REQ(161), -- MS-KILE
KER5-PADATA-KERB-PAKEY-LIST-REP(162), -- MS-KILE
KRB5-PADATA-SUPPORTED-ETYPES(165), -- MS-KILE
KRB5-PADATA-PAC-OPTIONS(167), -- MS-KILE
KRB5-PADATA-GSS(655) -- krb-wg-gss-preauth
}
AUTHDATA-TYPE ::= INTEGER {
KRB5-AUTHDATA-IF-RELEVANT(1),
KRB5-AUTHDATA-INTENDED-FOR_SERVER(2),
KRB5-AUTHDATA-INTENDED-FOR-APPLICATION-CLASS(3),
KRB5-AUTHDATA-KDC-ISSUED(4),
KRB5-AUTHDATA-AND-OR(5),
KRB5-AUTHDATA-MANDATORY-TICKET-EXTENSIONS(6),
KRB5-AUTHDATA-IN-TICKET-EXTENSIONS(7),
KRB5-AUTHDATA-MANDATORY-FOR-KDC(8),
KRB5-AUTHDATA-INITIAL-VERIFIED-CAS(9),
KRB5-AUTHDATA-OSF-DCE(64),
KRB5-AUTHDATA-SESAME(65),
KRB5-AUTHDATA-OSF-DCE-PKI-CERTID(66),
KRB5-AUTHDATA-AUTHENTICATION-STRENGTH(70),
KRB5-AUTHDATA-FX-FAST-ARMOR(71),
KRB5-AUTHDATA-FX-FAST-USED(72),
KRB5-AUTHDATA-WIN2K-PAC(128),
KRB5-AUTHDATA-GSS-API-ETYPE-NEGOTIATION(129), -- Authenticator only
KRB5-AUTHDATA-SIGNTICKET-OLDER(-17),
KRB5-AUTHDATA-SIGNTICKET-OLD(142),
KRB5-AUTHDATA-SIGNTICKET(512),
KRB5-AUTHDATA-SYNTHETIC-PRINC-USED(513), -- principal was synthetised
KRB5-AUTHDATA-KERB-LOCAL(141), -- MS-KILE
KRB5-AUTHDATA-TOKEN-RESTRICTIONS(142), -- MS-KILE
KRB5-AUTHDATA-AP-OPTIONS(143), -- MS-KILE
KRB5-AUTHDATA-TARGET-PRINCIPAL(144), -- MS-KILE
-- N.B. these assignments have not been confirmed yet.
--
-- DO NOT USE in production yet!
KRB5-AUTHDATA-ON-BEHALF-OF(580), -- UTF8String princ name
KRB5-AUTHDATA-BEARER-TOKEN-JWT(581), -- JWT token
KRB5-AUTHDATA-BEARER-TOKEN-SAML(582), -- SAML token
KRB5-AUTHDATA-BEARER-TOKEN-OIDC(583), -- OIDC token
KRB5-AUTHDATA-CSR-AUTHORIZED(584), -- Proxy has authorized client
-- to requested exts in CSR
KRB5-AUTHDATA-GSS-COMPOSITE-NAME(655) -- gss_export_name_composite
}
-- checksumtypes
CKSUMTYPE ::= INTEGER {
CKSUMTYPE_NONE(0),
CKSUMTYPE_CRC32(1),
CKSUMTYPE_RSA_MD4(2),
CKSUMTYPE_RSA_MD4_DES(3),
CKSUMTYPE_DES_MAC(4),
CKSUMTYPE_DES_MAC_K(5),
CKSUMTYPE_RSA_MD4_DES_K(6),
CKSUMTYPE_RSA_MD5(7),
CKSUMTYPE_RSA_MD5_DES(8),
CKSUMTYPE_RSA_MD5_DES3(9),
CKSUMTYPE_SHA1_OTHER(10),
CKSUMTYPE_HMAC_SHA1_DES3(12),
CKSUMTYPE_SHA1(14),
CKSUMTYPE_HMAC_SHA1_96_AES_128(15),
CKSUMTYPE_HMAC_SHA1_96_AES_256(16),
CKSUMTYPE_HMAC_SHA256_128_AES128(19),
CKSUMTYPE_HMAC_SHA384_192_AES256(20),
CKSUMTYPE_GSSAPI(0x8003),
CKSUMTYPE_HMAC_MD5(-138), -- unofficial microsoft number
CKSUMTYPE_HMAC_MD5_ENC(-1138), -- even more unofficial
CKSUMTYPE_SHA256(-21),
CKSUMTYPE_SHA384(-22),
CKSUMTYPE_SHA512(-23)
}
--enctypes
ENCTYPE ::= INTEGER {
KRB5_ENCTYPE_NULL(0),
KRB5_ENCTYPE_DES_CBC_CRC(1),
KRB5_ENCTYPE_DES_CBC_MD4(2),
KRB5_ENCTYPE_DES_CBC_MD5(3),
KRB5_ENCTYPE_DES3_CBC_MD5(5),
KRB5_ENCTYPE_OLD_DES3_CBC_SHA1(7),
KRB5_ENCTYPE_SIGN_DSA_GENERATE(8),
KRB5_ENCTYPE_ENCRYPT_RSA_PRIV(9),
KRB5_ENCTYPE_ENCRYPT_RSA_PUB(10),
KRB5_ENCTYPE_DES3_CBC_SHA1(16), -- with key derivation
KRB5_ENCTYPE_AES128_CTS_HMAC_SHA1_96(17),
KRB5_ENCTYPE_AES256_CTS_HMAC_SHA1_96(18),
KRB5_ENCTYPE_AES128_CTS_HMAC_SHA256_128(19),
KRB5_ENCTYPE_AES256_CTS_HMAC_SHA384_192(20),
KRB5_ENCTYPE_ARCFOUR_HMAC_MD5(23),
KRB5_ENCTYPE_ARCFOUR_HMAC_MD5_56(24),
KRB5_ENCTYPE_ENCTYPE_PK_CROSS(48),
-- some "old" windows types
KRB5_ENCTYPE_ARCFOUR_MD4(-128),
KRB5_ENCTYPE_ARCFOUR_HMAC_OLD(-133),
KRB5_ENCTYPE_ARCFOUR_HMAC_OLD_EXP(-135),
-- these are for Heimdal internal use
KRB5_ENCTYPE_DES_CBC_NONE(-0x1000),
KRB5_ENCTYPE_DES3_CBC_NONE(-0x1001),
KRB5_ENCTYPE_DES_CFB64_NONE(-0x1002),
KRB5_ENCTYPE_DES_PCBC_NONE(-0x1003),
KRB5_ENCTYPE_DIGEST_MD5_NONE(-0x1004), -- private use, lukeh@padl.com
KRB5_ENCTYPE_CRAM_MD5_NONE(-0x1005) -- private use, lukeh@padl.com
}
-- this is sugar to make something ASN1 does not have: unsigned
Krb5UInt32 ::= INTEGER (0..4294967295)
Krb5Int32 ::= INTEGER (-2147483648..2147483647)
KerberosString ::= GeneralString
Realm ::= GeneralString
PrincipalName ::= SEQUENCE {
name-type[0] NAME-TYPE,
name-string[1] SEQUENCE OF GeneralString
}
HostAddress ::= SEQUENCE {
addr-type[0] Krb5Int32,
address[1] OCTET STRING
}
-- This is from RFC1510.
--
-- HostAddresses ::= SEQUENCE OF SEQUENCE {
-- addr-type[0] Krb5Int32,
-- address[1] OCTET STRING
-- }
-- This seems much better.
HostAddresses ::= SEQUENCE OF HostAddress
KerberosTime ::= GeneralizedTime -- Specifying UTC time zone (Z)
AuthorizationDataElement ::= SEQUENCE {
ad-type[0] Krb5Int32,
ad-data[1] OCTET STRING
}
AuthorizationData ::= SEQUENCE OF AuthorizationDataElement
APOptions ::= BIT STRING {
reserved(0),
use-session-key(1),
mutual-required(2)
}
TicketFlags ::= BIT STRING {
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),
transited-policy-checked(12),
ok-as-delegate(13),
enc-pa-rep(15),
anonymous(16)
}
KDCOptions ::= BIT STRING {
reserved(0),
forwardable(1),
forwarded(2),
proxiable(3),
proxy(4),
allow-postdate(5),
postdated(6),
renewable(8),
cname-in-addl-tkt(14), -- ms extension
canonicalize(15),
request-anonymous(16),
disable-transited-check(26),
renewable-ok(27),
enc-tkt-in-skey(28),
renew(30),
validate(31)
}
LR-TYPE ::= INTEGER {
LR_NONE(0), -- no information
LR_INITIAL_TGT(1), -- last initial TGT request
LR_INITIAL(2), -- last initial request
LR_ISSUE_USE_TGT(3), -- time of newest TGT used
LR_RENEWAL(4), -- time of last renewal
LR_REQUEST(5), -- time of last request (of any type)
LR_PW_EXPTIME(6), -- expiration time of password
LR_ACCT_EXPTIME(7) -- expiration time of account
}
LastReq ::= SEQUENCE OF SEQUENCE {
lr-type[0] LR-TYPE,
lr-value[1] KerberosTime
}
EncryptedData ::= SEQUENCE {
etype[0] ENCTYPE, -- EncryptionType
kvno[1] Krb5Int32 OPTIONAL,
cipher[2] OCTET STRING -- ciphertext
}
EncryptionKey ::= SEQUENCE {
keytype[0] Krb5Int32,
keyvalue[1] OCTET STRING
}
-- encoded Transited field
TransitedEncoding ::= SEQUENCE {
tr-type[0] Krb5Int32, -- must be registered
contents[1] OCTET STRING
}
Ticket ::= [APPLICATION 1] SEQUENCE {
tkt-vno[0] Krb5Int32,
realm[1] Realm,
sname[2] PrincipalName,
enc-part[3] EncryptedData
}
-- 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
}
Checksum ::= SEQUENCE {
cksumtype[0] CKSUMTYPE,
checksum[1] OCTET STRING
}
-- For GSS name attributes [RFC6680] we'll decorate Principal (which is not an
-- RFC4120 type, but which we use a) in HDB, b) in the API as that which
-- krb5_principal points to) with PrincipalNameAttrs.
--
-- Attributes have three possible sources in Heimdal Kerberos at this time:
--
-- - the EncKDCRepPart (for the client's attributes on the client side)
-- - the EncTicketPart (for the client's attributes on the server side)
-- - the Authenticator's AuthorizationData (if any; server-side)
--
-- In principle there can be more:
--
-- - locally-set (asserted) attributes
-- - locally-looked-up attributes (e.g., in LDAP)
-- - locally-transformed attributes (e.g., local groups, filtered SIDs from a
-- PAC, etc.)
--
-- We could also cache "cooked" attributes as reported by the RFC6680 API given
-- the sources we have.
--
-- For now we'll only support authenticated attributes where those come from
-- the KDC, and attributes asserted in Authenticator authz-data.
PrincipalNameAttrSrc ::= CHOICE {
enc-kdc-rep-part [0] EncKDCRepPart, -- minus session key
enc-ticket-part [1] EncTicketPart -- minus session key
}
PrincipalNameAttrs ::= SEQUENCE {
-- True if this name was authenticated via an AP-REQ or a KDC-REP
authenticated [0] BOOLEAN,
-- These are compiled from the Ticket, KDC-REP, and/or Authenticator
source [1] PrincipalNameAttrSrc OPTIONAL,
authenticator-ad [2] AuthorizationData OPTIONAL,
-- For the server on the client side we should keep track of the
-- transit path taken to reach it (if absent -> unknown).
--
-- We don't learn much more about the server from the KDC.
peer-realm [3] Realm OPTIONAL,
transited [4] TransitedEncoding OPTIONAL,
-- True if the PAC was verified
pac-verified [5] BOOLEAN,
-- True if any AD-KDC-ISSUEDs in the Ticket were validated
kdc-issued-verified [6] BOOLEAN,
-- TODO: Add requested attributes, for gss_set_name_attribute(), which
-- should cause corresponding authz-data elements to be added to
-- any TGS-REQ or to the AP-REQ's Authenticator as appropriate.
want-ad [7] AuthorizationData OPTIONAL
}
-- This is our type for exported composite name tokens for GSS [RFC6680].
-- It's the same as Principal (below) as decorated with (see krb5.opt file and
-- asn1_compile usage), except it's not decorated, so the name attributes are
-- encoded/decoded.
CompositePrincipal ::= [APPLICATION 48] SEQUENCE {
name[0] PrincipalName,
realm[1] Realm,
nameattrs[2] PrincipalNameAttrs OPTIONAL
}
-- This is not part of RFC1510/RFC4120. We use this internally as our
-- krb5_principal (which is a typedef of *Principal), and in HDB entries.
Principal ::= SEQUENCE {
name[0] PrincipalName,
realm[1] Realm
-- This will be decorated with an optional nameattrs field of
-- PrincipalNameAttrs type that doesn't get encoded. Same as
-- CompositePrincipal above, except that CompositePrincipal's
-- nameattrs field does get encoded, while Principal's does not:
--
-- nameattrs[2] PrincipalNameAttrs OPTIONAL
}
Principals ::= SEQUENCE OF Principal
Authenticator ::= [APPLICATION 2] SEQUENCE {
authenticator-vno[0] Krb5Int32,
crealm[1] Realm,
cname[2] PrincipalName,
cksum[3] Checksum OPTIONAL,
cusec[4] Krb5Int32,
ctime[5] KerberosTime,
subkey[6] EncryptionKey OPTIONAL,
seq-number[7] Krb5UInt32 OPTIONAL,
authorization-data[8] AuthorizationData OPTIONAL
}
PA-DATA ::= SEQUENCE {
-- might be encoded AP-REQ
padata-type[1] PADATA-TYPE,
padata-value[2] OCTET STRING
}
ETYPE-INFO-ENTRY ::= SEQUENCE {
etype[0] ENCTYPE,
salt[1] OCTET STRING OPTIONAL,
salttype[2] Krb5Int32 OPTIONAL
}
ETYPE-INFO ::= SEQUENCE OF ETYPE-INFO-ENTRY
ETYPE-INFO2-ENTRY ::= SEQUENCE {
etype[0] ENCTYPE,
salt[1] KerberosString OPTIONAL,
s2kparams[2] OCTET STRING OPTIONAL
}
ETYPE-INFO2 ::= SEQUENCE SIZE (1..MAX) OF ETYPE-INFO2-ENTRY
METHOD-DATA ::= SEQUENCE OF PA-DATA
TypedData ::= SEQUENCE {
data-type[0] Krb5Int32,
data-value[1] OCTET STRING OPTIONAL
}
TYPED-DATA ::= SEQUENCE SIZE (1..MAX) OF TypedData
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 OPTIONAL,
rtime[6] KerberosTime OPTIONAL,
nonce[7] Krb5Int32,
etype[8] SEQUENCE OF ENCTYPE, -- EncryptionType,
-- in preference order
addresses[9] HostAddresses OPTIONAL,
enc-authorization-data[10] EncryptedData OPTIONAL,
-- Encrypted AuthorizationData encoding
additional-tickets[11] SEQUENCE OF Ticket OPTIONAL
}
KDC-REQ ::= SEQUENCE {
pvno[1] Krb5Int32,
msg-type[2] MESSAGE-TYPE,
padata[3] METHOD-DATA OPTIONAL,
req-body[4] KDC-REQ-BODY
}
AS-REQ ::= [APPLICATION 10] KDC-REQ
TGS-REQ ::= [APPLICATION 12] KDC-REQ
-- padata-type ::= PA-ENC-TIMESTAMP
-- padata-value ::= EncryptedData - PA-ENC-TS-ENC
PA-ENC-TS-ENC ::= SEQUENCE {
patimestamp[0] KerberosTime, -- client's time
pausec[1] Krb5Int32 OPTIONAL
}
-- draft-brezak-win2k-krb-authz-01
PA-PAC-REQUEST ::= SEQUENCE {
include-pac[0] BOOLEAN -- Indicates whether a PAC
-- should be included or not
}
-- MS-KILE/MS-SFU
PAC-OPTIONS-FLAGS ::= BIT STRING {
claims(0),
branch-aware(1),
forward-to-full-dc(2),
resource-based-constrained-delegation(3)
}
-- MS-KILE
PA-PAC-OPTIONS ::= SEQUENCE {
flags [0] PAC-OPTIONS-FLAGS
}
-- MS-KILE
-- captures show that [UNIVERSAL 16] is required to parse it
KERB-AD-RESTRICTION-ENTRY ::= [UNIVERSAL 16] SEQUENCE {
restriction-type [0] Krb5Int32,
restriction [1] OCTET STRING -- LSAP_TOKEN_INFO_INTEGRITY structure
}
-- MS-KILE Section 2.2.11
PA-KERB-KEY-LIST-REQ ::= SEQUENCE OF ENCTYPE
-- MS-KILE Section 2.2.12
PA-KERB-KEY-LIST-REP ::= SEQUENCE OF ENCTYPE -- EncryptionType,
-- PacketCable provisioning server location, PKT-SP-SEC-I09-030728.pdf
PROV-SRV-LOCATION ::= GeneralString
KDC-REP ::= SEQUENCE {
pvno[0] Krb5Int32,
msg-type[1] MESSAGE-TYPE,
padata[2] METHOD-DATA OPTIONAL,
crealm[3] Realm,
cname[4] PrincipalName,
ticket[5] Ticket,
enc-part[6] EncryptedData
}
AS-REP ::= [APPLICATION 11] KDC-REP
TGS-REP ::= [APPLICATION 13] KDC-REP
EncKDCRepPart ::= SEQUENCE {
key[0] EncryptionKey,
last-req[1] LastReq,
nonce[2] Krb5Int32,
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
}
EncASRepPart ::= [APPLICATION 25] EncKDCRepPart
EncTGSRepPart ::= [APPLICATION 26] EncKDCRepPart
AP-REQ ::= [APPLICATION 14] SEQUENCE {
pvno[0] Krb5Int32,
msg-type[1] MESSAGE-TYPE,
ap-options[2] APOptions,
ticket[3] Ticket,
authenticator[4] EncryptedData
}
AP-REP ::= [APPLICATION 15] SEQUENCE {
pvno[0] Krb5Int32,
msg-type[1] MESSAGE-TYPE,
enc-part[2] EncryptedData
}
EncAPRepPart ::= [APPLICATION 27] SEQUENCE {
ctime[0] KerberosTime,
cusec[1] Krb5Int32,
subkey[2] EncryptionKey OPTIONAL,
seq-number[3] Krb5UInt32 OPTIONAL
}
KRB-SAFE-BODY ::= SEQUENCE {
user-data[0] OCTET STRING,
timestamp[1] KerberosTime OPTIONAL,
usec[2] Krb5Int32 OPTIONAL,
seq-number[3] Krb5UInt32 OPTIONAL,
s-address[4] HostAddress OPTIONAL,
r-address[5] HostAddress OPTIONAL
}
KRB-SAFE ::= [APPLICATION 20] SEQUENCE {
pvno[0] Krb5Int32,
msg-type[1] MESSAGE-TYPE,
safe-body[2] KRB-SAFE-BODY,
cksum[3] Checksum
}
KRB-PRIV ::= [APPLICATION 21] SEQUENCE {
pvno[0] Krb5Int32,
msg-type[1] MESSAGE-TYPE,
enc-part[3] EncryptedData
}
EncKrbPrivPart ::= [APPLICATION 28] SEQUENCE {
user-data[0] OCTET STRING,
timestamp[1] KerberosTime OPTIONAL,
usec[2] Krb5Int32 OPTIONAL,
seq-number[3] Krb5UInt32 OPTIONAL,
s-address[4] HostAddress OPTIONAL, -- sender's addr
r-address[5] HostAddress OPTIONAL -- recip's addr
}
KRB-CRED ::= [APPLICATION 22] SEQUENCE {
pvno[0] Krb5Int32,
msg-type[1] MESSAGE-TYPE, -- KRB_CRED
tickets[2] SEQUENCE OF Ticket,
enc-part[3] EncryptedData
}
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
}
EncKrbCredPart ::= [APPLICATION 29] SEQUENCE {
ticket-info[0] SEQUENCE OF KrbCredInfo,
nonce[1] Krb5Int32 OPTIONAL,
timestamp[2] KerberosTime OPTIONAL,
usec[3] Krb5Int32 OPTIONAL,
s-address[4] HostAddress OPTIONAL,
r-address[5] HostAddress OPTIONAL
}
KRB-ERROR ::= [APPLICATION 30] SEQUENCE {
pvno[0] Krb5Int32,
msg-type[1] MESSAGE-TYPE,
ctime[2] KerberosTime OPTIONAL,
cusec[3] Krb5Int32 OPTIONAL,
stime[4] KerberosTime,
susec[5] Krb5Int32,
error-code[6] Krb5Int32,
crealm[7] Realm OPTIONAL,
cname[8] PrincipalName OPTIONAL,
realm[9] Realm, -- Correct realm
sname[10] PrincipalName, -- Correct name
e-text[11] GeneralString OPTIONAL,
e-data[12] OCTET STRING OPTIONAL
}
ChangePasswdDataMS ::= SEQUENCE {
newpasswd[0] OCTET STRING,
targname[1] PrincipalName OPTIONAL,
targrealm[2] Realm OPTIONAL
}
EtypeList ::= SEQUENCE OF ENCTYPE
-- the client's proposed enctype list in
-- decreasing preference order, favorite choice first
krb5-pvno Krb5Int32 ::= 5 -- current Kerberos protocol version number
-- transited encodings
domain-X500-Compress Krb5Int32 ::= 1
-- authorization data primitives
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] Krb5Int32,
elements[1] AuthorizationData
}
AD-MANDATORY-FOR-KDC ::= AuthorizationData
-- PA-SAM-RESPONSE-2/PA-SAM-RESPONSE-2
PA-SAM-TYPE ::= INTEGER {
PA_SAM_TYPE_ENIGMA(1), -- Enigma Logic
PA_SAM_TYPE_DIGI_PATH(2), -- Digital Pathways
PA_SAM_TYPE_SKEY_K0(3), -- S/key where KDC has key 0
PA_SAM_TYPE_SKEY(4), -- Traditional S/Key
PA_SAM_TYPE_SECURID(5), -- Security Dynamics
PA_SAM_TYPE_CRYPTOCARD(6) -- CRYPTOCard
}
PA-SAM-REDIRECT ::= HostAddresses
SAMFlags ::= BIT STRING {
use-sad-as-key(0),
send-encrypted-sad(1),
must-pk-encrypt-sad(2)
}
PA-SAM-CHALLENGE-2-BODY ::= SEQUENCE {
sam-type[0] Krb5Int32,
sam-flags[1] SAMFlags,
sam-type-name[2] GeneralString OPTIONAL,
sam-track-id[3] GeneralString OPTIONAL,
sam-challenge-label[4] GeneralString OPTIONAL,
sam-challenge[5] GeneralString OPTIONAL,
sam-response-prompt[6] GeneralString OPTIONAL,
sam-pk-for-sad[7] EncryptionKey OPTIONAL,
sam-nonce[8] Krb5Int32,
sam-etype[9] Krb5Int32,
...
}
PA-SAM-CHALLENGE-2 ::= SEQUENCE {
sam-body[0] PA-SAM-CHALLENGE-2-BODY,
sam-cksum[1] SEQUENCE OF Checksum, -- (1..MAX)
...
}
PA-SAM-RESPONSE-2 ::= SEQUENCE {
sam-type[0] Krb5Int32,
sam-flags[1] SAMFlags,
sam-track-id[2] GeneralString OPTIONAL,
sam-enc-nonce-or-sad[3] EncryptedData, -- PA-ENC-SAM-RESPONSE-ENC
sam-nonce[4] Krb5Int32,
...
}
PA-ENC-SAM-RESPONSE-ENC ::= SEQUENCE {
sam-nonce[0] Krb5Int32,
sam-sad[1] GeneralString OPTIONAL,
...
}
PA-S4U2Self ::= SEQUENCE {
name[0] PrincipalName,
realm[1] Realm,
cksum[2] Checksum,
auth[3] GeneralString
}
PA-S4U-X509-USER::= SEQUENCE {
user-id[0] S4UUserID,
checksum[1] Checksum
}
S4UUserID ::= SEQUENCE {
nonce [0] Krb5UInt32, -- the nonce in KDC-REQ-BODY
cname [1] PrincipalName OPTIONAL, -- Certificate mapping hints
crealm [2] Realm,
subject-certificate [3] OCTET STRING OPTIONAL,
options [4] BIT STRING OPTIONAL,
...
}
AD-LoginAlias ::= SEQUENCE { -- ad-type number TBD --
login-alias [0] PrincipalName,
checksum [1] Checksum
}
-- old ms referral
PA-SvrReferralData ::= SEQUENCE {
referred-name [1] PrincipalName OPTIONAL,
referred-realm [0] Realm
}
PA-SERVER-REFERRAL-DATA ::= EncryptedData
PA-ServerReferralData ::= SEQUENCE {
referred-realm [0] Realm OPTIONAL,
true-principal-name [1] PrincipalName OPTIONAL,
requested-principal-name [2] PrincipalName OPTIONAL,
referral-valid-until [3] KerberosTime OPTIONAL,
...
}
FastOptions ::= BIT STRING {
reserved(0),
hide-client-names(1),
critical2(2),
critical3(3),
critical4(4),
critical5(5),
critical6(6),
critical7(7),
critical8(8),
critical9(9),
critical10(10),
critical11(11),
critical12(12),
critical13(13),
critical14(14),
critical15(15),
kdc-follow-referrals(16)
}
KrbFastReq ::= SEQUENCE {
fast-options [0] FastOptions,
padata [1] METHOD-DATA,
req-body [2] KDC-REQ-BODY,
...
}
KrbFastArmor ::= SEQUENCE {
armor-type [0] Krb5Int32,
armor-value [1] OCTET STRING,
...
}
KrbFastArmoredReq ::= SEQUENCE {
armor [0] KrbFastArmor OPTIONAL,
req-checksum [1] Checksum,
enc-fast-req [2] EncryptedData -- KrbFastReq --
}
PA-FX-FAST-REQUEST ::= CHOICE {
armored-data [0] KrbFastArmoredReq,
...
}
KrbFastFinished ::= SEQUENCE {
timestamp [0] KerberosTime,
usec [1] Krb5Int32,
crealm [2] Realm,
cname [3] PrincipalName,
ticket-checksum [4] Checksum,
...
}
KrbFastResponse ::= SEQUENCE {
padata [0] METHOD-DATA,
strengthen-key [1] EncryptionKey OPTIONAL,
finished [2] KrbFastFinished OPTIONAL,
nonce [3] Krb5UInt32,
...
}
KrbFastArmoredRep ::= SEQUENCE {
enc-fast-rep [0] EncryptedData, -- KrbFastResponse --
...
}
PA-FX-FAST-REPLY ::= CHOICE {
armored-data [0] KrbFastArmoredRep,
...
}
KDCFastFlags ::= BIT STRING {
use-reply-key(0),
reply-key-used(1),
reply-key-replaced(2),
kdc-verified(3),
requested-hidden-names(4)
}
-- KDCFastState is stored in FX_COOKIE
KDCFastState ::= SEQUENCE {
flags [0] KDCFastFlags,
expiration [1] GeneralizedTime,
fast-state [2] METHOD-DATA,
expected-pa-types [3] SEQUENCE OF PADATA-TYPE OPTIONAL
}
KDCFastCookie ::= SEQUENCE {
version [0] UTF8String,
cookie [1] EncryptedData
}
KDC-PROXY-MESSAGE ::= SEQUENCE {
kerb-message [0] OCTET STRING,
target-domain [1] Realm OPTIONAL,
dclocator-hint [2] INTEGER OPTIONAL
}
-- these messages are used in the GSSCred communication and is not part of Kerberos propper
KERB-TIMES ::= SEQUENCE {
authtime [0] KerberosTime,
starttime [1] KerberosTime,
endtime [2] KerberosTime,
renew_till [3] KerberosTime
}
KERB-CRED ::= SEQUENCE {
client [0] Principal,
server [1] Principal,
keyblock [2] EncryptionKey,
times [3] KERB-TIMES,
ticket [4] OCTET STRING,
authdata [5] OCTET STRING,
addresses [6] HostAddresses,
flags [7] TicketFlags
}
KERB-TGS-REQ-IN ::= SEQUENCE {
cache [0] OCTET STRING SIZE (16),
addrs [1] HostAddresses,
flags [2] Krb5UInt32,
imp [3] Principal OPTIONAL,
ticket [4] OCTET STRING OPTIONAL,
in_cred [5] KERB-CRED,
krbtgt [6] KERB-CRED,
padata [7] METHOD-DATA
}
KERB-TGS-REQ-OUT ::= SEQUENCE {
subkey [0] EncryptionKey OPTIONAL,
t [1] TGS-REQ
}
KERB-TGS-REP-IN ::= SEQUENCE {
cache [0] OCTET STRING SIZE (16),
subkey [1] EncryptionKey OPTIONAL,
in_cred [2] KERB-CRED,
t [3] TGS-REP
}
KERB-TGS-REP-OUT ::= SEQUENCE {
cache [0] OCTET STRING SIZE (16),
cred [1] KERB-CRED,
subkey [2] EncryptionKey
}
KERB-ARMOR-SERVICE-REPLY ::= SEQUENCE {
armor [0] KrbFastArmor,
armor-key [1] EncryptionKey
}
END
-- etags -r '/\([A-Za-z][-A-Za-z0-9]*\).*::=/\1/' k5.asn1
|