aboutsummaryrefslogtreecommitdiffstats
path: root/module/icp/include/sys/crypto/impl.h
blob: 8ebc4be483ba2d9451bd58b2819f73dc94803354 (plain)
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
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef	_SYS_CRYPTO_IMPL_H
#define	_SYS_CRYPTO_IMPL_H

/*
 * Kernel Cryptographic Framework private implementation definitions.
 */

#include <sys/zfs_context.h>
#include <sys/crypto/common.h>
#include <sys/crypto/api.h>
#include <sys/crypto/spi.h>

#ifdef	__cplusplus
extern "C" {
#endif

#define	KCF_MODULE "kcf"

/*
 * Prefixes convention: structures internal to the kernel cryptographic
 * framework start with 'kcf_'. Exposed structure start with 'crypto_'.
 */

/* Provider stats. Not protected. */
typedef	struct kcf_prov_stats {
	kstat_named_t	ps_ops_total;
	kstat_named_t	ps_ops_passed;
	kstat_named_t	ps_ops_failed;
	kstat_named_t	ps_ops_busy_rval;
} kcf_prov_stats_t;

/* Various kcf stats. Not protected. */
typedef	struct kcf_stats {
	kstat_named_t	ks_thrs_in_pool;
	kstat_named_t	ks_idle_thrs;
	kstat_named_t	ks_minthrs;
	kstat_named_t	ks_maxthrs;
	kstat_named_t	ks_swq_njobs;
	kstat_named_t	ks_swq_maxjobs;
	kstat_named_t	ks_taskq_threads;
	kstat_named_t	ks_taskq_minalloc;
	kstat_named_t	ks_taskq_maxalloc;
} kcf_stats_t;

/*
 * Keep all the information needed by the scheduler from
 * this provider.
 */
typedef struct kcf_sched_info {
	/* The number of operations dispatched. */
	uint64_t	ks_ndispatches;

	/* The number of operations that failed. */
	uint64_t	ks_nfails;

	/* The number of operations that returned CRYPTO_BUSY. */
	uint64_t	ks_nbusy_rval;

	/* taskq used to dispatch crypto requests */
	taskq_t	*ks_taskq;
} kcf_sched_info_t;

/*
 * pd_irefcnt approximates the number of inflight requests to the
 * provider. Though we increment this counter during registration for
 * other purposes, that base value is mostly same across all providers.
 * So, it is a good measure of the load on a provider when it is not
 * in a busy state. Once a provider notifies it is busy, requests
 * backup in the taskq. So, we use tq_nalloc in that case which gives
 * the number of task entries in the task queue. Note that we do not
 * acquire any locks here as it is not critical to get the exact number
 * and the lock contention may be too costly for this code path.
 */
#define	KCF_PROV_LOAD(pd)	((pd)->pd_state != KCF_PROV_BUSY ?	\
	(pd)->pd_irefcnt : (pd)->pd_sched_info.ks_taskq->tq_nalloc)

#define	KCF_PROV_INCRSTATS(pd, error)	{				\
	(pd)->pd_sched_info.ks_ndispatches++;				\
	if (error == CRYPTO_BUSY)					\
		(pd)->pd_sched_info.ks_nbusy_rval++;			\
	else if (error != CRYPTO_SUCCESS && error != CRYPTO_QUEUED)	\
		(pd)->pd_sched_info.ks_nfails++;			\
}


/*
 * The following two macros should be
 * #define	KCF_OPS_CLASSSIZE (KCF_LAST_OPSCLASS - KCF_FIRST_OPSCLASS + 2)
 * #define	KCF_MAXMECHTAB KCF_MAXCIPHER
 *
 * However, doing that would involve reorganizing the header file a bit.
 * When impl.h is broken up (bug# 4703218), this will be done. For now,
 * we hardcode these values.
 */
#define	KCF_OPS_CLASSSIZE	8
#define	KCF_MAXMECHTAB		32

/*
 * Valid values for the state of a provider. The order of
 * the elements is important.
 *
 * Routines which get a provider or the list of providers
 * should pick only those that are either in KCF_PROV_READY state
 * or in KCF_PROV_BUSY state.
 */
typedef enum {
	KCF_PROV_ALLOCATED = 1,
	KCF_PROV_UNVERIFIED,
	KCF_PROV_VERIFICATION_FAILED,
	/*
	 * state < KCF_PROV_READY means the provider can not
	 * be used at all.
	 */
	KCF_PROV_READY,
	KCF_PROV_BUSY,
	/*
	 * state > KCF_PROV_BUSY means the provider can not
	 * be used for new requests.
	 */
	KCF_PROV_FAILED,
	/*
	 * Threads setting the following two states should do so only
	 * if the current state < KCF_PROV_DISABLED.
	 */
	KCF_PROV_DISABLED,
	KCF_PROV_REMOVED,
	KCF_PROV_FREED
} kcf_prov_state_t;

#define	KCF_IS_PROV_UNVERIFIED(pd) ((pd)->pd_state == KCF_PROV_UNVERIFIED)
#define	KCF_IS_PROV_USABLE(pd) ((pd)->pd_state == KCF_PROV_READY || \
	(pd)->pd_state == KCF_PROV_BUSY)
#define	KCF_IS_PROV_REMOVED(pd)	((pd)->pd_state >= KCF_PROV_REMOVED)

/* Internal flags valid for pd_flags field */
#define	KCF_PROV_RESTRICTED	0x40000000
#define	KCF_LPROV_MEMBER	0x80000000 /* is member of a logical provider */

/*
 * A provider descriptor structure. There is one such structure per
 * provider. It is allocated and initialized at registration time and
 * freed when the provider unregisters.
 *
 * pd_prov_type:	Provider type, hardware or software
 * pd_sid:		Session ID of the provider used by kernel clients.
 *			This is valid only for session-oriented providers.
 * pd_refcnt:		Reference counter to this provider descriptor
 * pd_irefcnt:		References held by the framework internal structs
 * pd_lock:		lock protects pd_state and pd_provider_list
 * pd_state:		State value of the provider
 * pd_provider_list:	Used to cross-reference logical providers and their
 *			members. Not used for software providers.
 * pd_resume_cv:	cv to wait for state to change from KCF_PROV_BUSY
 * pd_prov_handle:	Provider handle specified by provider
 * pd_ops_vector:	The ops vector specified by Provider
 * pd_mech_indx:	Lookup table which maps a core framework mechanism
 *			number to an index in pd_mechanisms array
 * pd_mechanisms:	Array of mechanisms supported by the provider, specified
 *			by the provider during registration
 * pd_sched_info:	Scheduling information associated with the provider
 * pd_mech_list_count:	The number of entries in pi_mechanisms, specified
 *			by the provider during registration
 * pd_name:		Device name or module name
 * pd_instance:		Device instance
 * pd_module_id:	Module ID returned by modload
 * pd_mctlp:		Pointer to modctl structure for this provider
 * pd_remove_cv:	cv to wait on while the provider queue drains
 * pd_description:	Provider description string
 * pd_flags		bitwise OR of pi_flags from crypto_provider_info_t
 *			and other internal flags defined above.
 * pd_hash_limit	Maximum data size that hash mechanisms of this provider
 * 			can support.
 * pd_kcf_prov_handle:	KCF-private handle assigned by KCF
 * pd_prov_id:		Identification # assigned by KCF to provider
 * pd_kstat:		kstat associated with the provider
 * pd_ks_data:		kstat data
 */
typedef struct kcf_provider_desc {
	crypto_provider_type_t		pd_prov_type;
	crypto_session_id_t		pd_sid;
	uint_t				pd_refcnt;
	uint_t				pd_irefcnt;
	kmutex_t			pd_lock;
	kcf_prov_state_t		pd_state;
	struct kcf_provider_list	*pd_provider_list;
	kcondvar_t			pd_resume_cv;
	crypto_provider_handle_t	pd_prov_handle;
	crypto_ops_t			*pd_ops_vector;
	ushort_t			pd_mech_indx[KCF_OPS_CLASSSIZE]\
					    [KCF_MAXMECHTAB];
	crypto_mech_info_t		*pd_mechanisms;
	kcf_sched_info_t		pd_sched_info;
	uint_t				pd_mech_list_count;
	// char				*pd_name;
	// uint_t				pd_instance;
	// int				pd_module_id;
	// struct modctl			*pd_mctlp;
	kcondvar_t			pd_remove_cv;
	char				*pd_description;
	uint_t				pd_flags;
	uint_t				pd_hash_limit;
	crypto_kcf_provider_handle_t	pd_kcf_prov_handle;
	crypto_provider_id_t		pd_prov_id;
	kstat_t				*pd_kstat;
	kcf_prov_stats_t		pd_ks_data;
} kcf_provider_desc_t;

/* useful for making a list of providers */
typedef struct kcf_provider_list {
	struct kcf_provider_list *pl_next;
	struct kcf_provider_desc *pl_provider;
} kcf_provider_list_t;

/* atomic operations in linux implicitly form a memory barrier */
#define	membar_exit()

/*
 * If a component has a reference to a kcf_provider_desc_t,
 * it REFHOLD()s. A new provider descriptor which is referenced only
 * by the providers table has a reference counter of one.
 */
#define	KCF_PROV_REFHOLD(desc) {		\
	atomic_add_32(&(desc)->pd_refcnt, 1);	\
	ASSERT((desc)->pd_refcnt != 0);		\
}

#define	KCF_PROV_IREFHOLD(desc) {		\
	atomic_add_32(&(desc)->pd_irefcnt, 1);	\
	ASSERT((desc)->pd_irefcnt != 0);	\
}

#define	KCF_PROV_IREFRELE(desc) {				\
	ASSERT((desc)->pd_irefcnt != 0);			\
	membar_exit();						\
	if (atomic_add_32_nv(&(desc)->pd_irefcnt, -1) == 0) {	\
		cv_broadcast(&(desc)->pd_remove_cv);		\
	}							\
}

#define	KCF_PROV_REFHELD(desc)	((desc)->pd_refcnt >= 1)

#define	KCF_PROV_REFRELE(desc) {				\
	ASSERT((desc)->pd_refcnt != 0);				\
	membar_exit();						\
	if (atomic_add_32_nv(&(desc)->pd_refcnt, -1) == 0) {	\
		kcf_provider_zero_refcnt((desc));		\
	}							\
}


/* list of crypto_mech_info_t valid as the second mech in a dual operation */

typedef	struct crypto_mech_info_list {
	struct crypto_mech_info_list	*ml_next;
	crypto_mech_type_t		ml_kcf_mechid;	/* KCF's id */
	crypto_mech_info_t		ml_mech_info;
} crypto_mech_info_list_t;

/*
 * An element in a mechanism provider descriptors chain.
 * The kcf_prov_mech_desc_t is duplicated in every chain the provider belongs
 * to. This is a small tradeoff memory vs mutex spinning time to access the
 * common provider field.
 */

typedef struct kcf_prov_mech_desc {
	struct kcf_mech_entry		*pm_me;		/* Back to the head */
	struct kcf_prov_mech_desc	*pm_next;	/* Next in the chain */
	crypto_mech_info_t		pm_mech_info;	/* Provider mech info */
	crypto_mech_info_list_t		*pm_mi_list;	/* list for duals */
	kcf_provider_desc_t		*pm_prov_desc;	/* Common desc. */
} kcf_prov_mech_desc_t;

/* and the notation shortcuts ... */
#define	pm_provider_type	pm_prov_desc.pd_provider_type
#define	pm_provider_handle	pm_prov_desc.pd_provider_handle
#define	pm_ops_vector		pm_prov_desc.pd_ops_vector

/*
 * A mechanism entry in an xxx_mech_tab[]. me_pad was deemed
 * to be unnecessary and removed.
 */
typedef	struct kcf_mech_entry {
	crypto_mech_name_t	me_name;	/* mechanism name */
	crypto_mech_type_t	me_mechid;	/* Internal id for mechanism */
	kmutex_t		me_mutex;	/* access protection	*/
	kcf_prov_mech_desc_t	*me_hw_prov_chain;  /* list of HW providers */
	kcf_prov_mech_desc_t	*me_sw_prov;    /* SW provider */
	/*
	 * Number of HW providers in the chain. There is only one
	 * SW provider. So, we need only a count of HW providers.
	 */
	int			me_num_hwprov;
	/*
	 * When a SW provider is present, this is the generation number that
	 * ensures no objects from old SW providers are used in the new one
	 */
	uint32_t		me_gen_swprov;
	/*
	 *  threshold for using hardware providers for this mech
	 */
	size_t			me_threshold;
} kcf_mech_entry_t;

/*
 * A policy descriptor structure. It is allocated and initialized
 * when administrative ioctls load disabled mechanisms.
 *
 * pd_prov_type:	Provider type, hardware or software
 * pd_name:		Device name or module name.
 * pd_instance:		Device instance.
 * pd_refcnt:		Reference counter for this policy descriptor
 * pd_mutex:		Protects array and count of disabled mechanisms.
 * pd_disabled_count:	Count of disabled mechanisms.
 * pd_disabled_mechs:	Array of disabled mechanisms.
 */
typedef struct kcf_policy_desc {
	crypto_provider_type_t	pd_prov_type;
	char			*pd_name;
	uint_t			pd_instance;
	uint_t			pd_refcnt;
	kmutex_t		pd_mutex;
	uint_t			pd_disabled_count;
	crypto_mech_name_t	*pd_disabled_mechs;
} kcf_policy_desc_t;

/*
 * If a component has a reference to a kcf_policy_desc_t,
 * it REFHOLD()s. A new policy descriptor which is referenced only
 * by the policy table has a reference count of one.
 */
#define	KCF_POLICY_REFHOLD(desc) {		\
	atomic_add_32(&(desc)->pd_refcnt, 1);	\
	ASSERT((desc)->pd_refcnt != 0);		\
}

/*
 * Releases a reference to a policy descriptor. When the last
 * reference is released, the descriptor is freed.
 */
#define	KCF_POLICY_REFRELE(desc) {				\
	ASSERT((desc)->pd_refcnt != 0);				\
	membar_exit();						\
	if (atomic_add_32_nv(&(desc)->pd_refcnt, -1) == 0)	\
		kcf_policy_free_desc(desc);			\
}

/*
 * This entry stores the name of a software module and its
 * mechanisms.  The mechanisms are 'hints' that are used to
 * trigger loading of the module.
 */
typedef struct kcf_soft_conf_entry {
	struct kcf_soft_conf_entry	*ce_next;
	char				*ce_name;
	crypto_mech_name_t		*ce_mechs;
	uint_t				ce_count;
} kcf_soft_conf_entry_t;

extern kmutex_t soft_config_mutex;
extern kcf_soft_conf_entry_t *soft_config_list;

/*
 * Global tables. The sizes are from the predefined PKCS#11 v2.20 mechanisms,
 * with a margin of few extra empty entry points
 */

#define	KCF_MAXDIGEST		16	/* Digests */
#define	KCF_MAXCIPHER		64	/* Ciphers */
#define	KCF_MAXMAC		40	/* Message authentication codes */
#define	KCF_MAXSIGN		24	/* Sign/Verify */
#define	KCF_MAXKEYOPS		116	/* Key generation and derivation */
#define	KCF_MAXMISC		16	/* Others ... */

#define	KCF_MAXMECHS		KCF_MAXDIGEST + KCF_MAXCIPHER + KCF_MAXMAC + \
				KCF_MAXSIGN + KCF_MAXKEYOPS + \
				KCF_MAXMISC

extern kcf_mech_entry_t kcf_digest_mechs_tab[];
extern kcf_mech_entry_t kcf_cipher_mechs_tab[];
extern kcf_mech_entry_t kcf_mac_mechs_tab[];
extern kcf_mech_entry_t kcf_sign_mechs_tab[];
extern kcf_mech_entry_t kcf_keyops_mechs_tab[];
extern kcf_mech_entry_t kcf_misc_mechs_tab[];

extern kmutex_t kcf_mech_tabs_lock;

typedef	enum {
	KCF_DIGEST_CLASS = 1,
	KCF_CIPHER_CLASS,
	KCF_MAC_CLASS,
	KCF_SIGN_CLASS,
	KCF_KEYOPS_CLASS,
	KCF_MISC_CLASS
} kcf_ops_class_t;

#define	KCF_FIRST_OPSCLASS	KCF_DIGEST_CLASS
#define	KCF_LAST_OPSCLASS	KCF_MISC_CLASS

/* The table of all the kcf_xxx_mech_tab[]s, indexed by kcf_ops_class */

typedef	struct kcf_mech_entry_tab {
	int			met_size;	/* Size of the met_tab[] */
	kcf_mech_entry_t	*met_tab;	/* the table		 */
} kcf_mech_entry_tab_t;

extern kcf_mech_entry_tab_t kcf_mech_tabs_tab[];

#define	KCF_MECHID(class, index)				\
	(((crypto_mech_type_t)(class) << 32) | (crypto_mech_type_t)(index))

#define	KCF_MECH2CLASS(mech_type) ((kcf_ops_class_t)((mech_type) >> 32))

#define	KCF_MECH2INDEX(mech_type) ((int)(mech_type))

#define	KCF_TO_PROV_MECH_INDX(pd, mech_type) 			\
	((pd)->pd_mech_indx[KCF_MECH2CLASS(mech_type)] 		\
	[KCF_MECH2INDEX(mech_type)])

#define	KCF_TO_PROV_MECHINFO(pd, mech_type)			\
	((pd)->pd_mechanisms[KCF_TO_PROV_MECH_INDX(pd, mech_type)])

#define	KCF_TO_PROV_MECHNUM(pd, mech_type)			\
	(KCF_TO_PROV_MECHINFO(pd, mech_type).cm_mech_number)

#define	KCF_CAN_SHARE_OPSTATE(pd, mech_type)			\
	((KCF_TO_PROV_MECHINFO(pd, mech_type).cm_mech_flags) &	\
	CRYPTO_CAN_SHARE_OPSTATE)

/* ps_refcnt is protected by cm_lock in the crypto_minor structure */
typedef struct crypto_provider_session {
	struct crypto_provider_session *ps_next;
	crypto_session_id_t		ps_session;
	kcf_provider_desc_t		*ps_provider;
	kcf_provider_desc_t		*ps_real_provider;
	uint_t				ps_refcnt;
} crypto_provider_session_t;

typedef struct crypto_session_data {
	kmutex_t			sd_lock;
	kcondvar_t			sd_cv;
	uint32_t			sd_flags;
	int				sd_pre_approved_amount;
	crypto_ctx_t			*sd_digest_ctx;
	crypto_ctx_t			*sd_encr_ctx;
	crypto_ctx_t			*sd_decr_ctx;
	crypto_ctx_t			*sd_sign_ctx;
	crypto_ctx_t			*sd_verify_ctx;
	crypto_ctx_t			*sd_sign_recover_ctx;
	crypto_ctx_t			*sd_verify_recover_ctx;
	kcf_provider_desc_t		*sd_provider;
	void				*sd_find_init_cookie;
	crypto_provider_session_t	*sd_provider_session;
} crypto_session_data_t;

#define	CRYPTO_SESSION_IN_USE		0x00000001
#define	CRYPTO_SESSION_IS_BUSY		0x00000002
#define	CRYPTO_SESSION_IS_CLOSED	0x00000004

#define	KCF_MAX_PIN_LEN			1024

/*
 * Per-minor info.
 *
 * cm_lock protects everything in this structure except for cm_refcnt.
 */
typedef struct crypto_minor {
	uint_t				cm_refcnt;
	kmutex_t			cm_lock;
	kcondvar_t			cm_cv;
	crypto_session_data_t		**cm_session_table;
	uint_t				cm_session_table_count;
	kcf_provider_desc_t		**cm_provider_array;
	uint_t				cm_provider_count;
	crypto_provider_session_t	*cm_provider_session;
} crypto_minor_t;

/*
 * Return codes for internal functions
 */
#define	KCF_SUCCESS		0x0	/* Successful call */
#define	KCF_INVALID_MECH_NUMBER	0x1	/* invalid mechanism number */
#define	KCF_INVALID_MECH_NAME	0x2	/* invalid mechanism name */
#define	KCF_INVALID_MECH_CLASS	0x3	/* invalid mechanism class */
#define	KCF_MECH_TAB_FULL	0x4	/* Need more room in the mech tabs. */
#define	KCF_INVALID_INDX	((ushort_t)-1)

/*
 * kCF internal mechanism and function group for tracking RNG providers.
 */
#define	SUN_RANDOM		"random"
#define	CRYPTO_FG_RANDOM	0x80000000	/* generate_random() */

/*
 * Wrappers for ops vectors. In the wrapper definitions below, the pd
 * argument always corresponds to a pointer to a provider descriptor
 * of type kcf_prov_desc_t.
 */

#define	KCF_PROV_CONTROL_OPS(pd)	((pd)->pd_ops_vector->co_control_ops)
#define	KCF_PROV_CTX_OPS(pd)		((pd)->pd_ops_vector->co_ctx_ops)
#define	KCF_PROV_DIGEST_OPS(pd)		((pd)->pd_ops_vector->co_digest_ops)
#define	KCF_PROV_CIPHER_OPS(pd)		((pd)->pd_ops_vector->co_cipher_ops)
#define	KCF_PROV_MAC_OPS(pd)		((pd)->pd_ops_vector->co_mac_ops)
#define	KCF_PROV_SIGN_OPS(pd)		((pd)->pd_ops_vector->co_sign_ops)
#define	KCF_PROV_VERIFY_OPS(pd)		((pd)->pd_ops_vector->co_verify_ops)
#define	KCF_PROV_DUAL_OPS(pd)		((pd)->pd_ops_vector->co_dual_ops)
#define	KCF_PROV_DUAL_CIPHER_MAC_OPS(pd) \
	((pd)->pd_ops_vector->co_dual_cipher_mac_ops)
#define	KCF_PROV_RANDOM_OPS(pd)		((pd)->pd_ops_vector->co_random_ops)
#define	KCF_PROV_SESSION_OPS(pd)	((pd)->pd_ops_vector->co_session_ops)
#define	KCF_PROV_OBJECT_OPS(pd)		((pd)->pd_ops_vector->co_object_ops)
#define	KCF_PROV_KEY_OPS(pd)		((pd)->pd_ops_vector->co_key_ops)
#define	KCF_PROV_PROVIDER_OPS(pd)	((pd)->pd_ops_vector->co_provider_ops)
#define	KCF_PROV_MECH_OPS(pd)		((pd)->pd_ops_vector->co_mech_ops)
#define	KCF_PROV_NOSTORE_KEY_OPS(pd)	\
	((pd)->pd_ops_vector->co_nostore_key_ops)

/*
 * Wrappers for crypto_control_ops(9S) entry points.
 */

#define	KCF_PROV_STATUS(pd, status) ( \
	(KCF_PROV_CONTROL_OPS(pd) && \
	KCF_PROV_CONTROL_OPS(pd)->provider_status) ? \
	KCF_PROV_CONTROL_OPS(pd)->provider_status( \
	    (pd)->pd_prov_handle, status) : \
	CRYPTO_NOT_SUPPORTED)

/*
 * Wrappers for crypto_ctx_ops(9S) entry points.
 */

#define	KCF_PROV_CREATE_CTX_TEMPLATE(pd, mech, key, template, size, req) ( \
	(KCF_PROV_CTX_OPS(pd) && KCF_PROV_CTX_OPS(pd)->create_ctx_template) ? \
	KCF_PROV_CTX_OPS(pd)->create_ctx_template( \
	    (pd)->pd_prov_handle, mech, key, template, size, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_FREE_CONTEXT(pd, ctx) ( \
	(KCF_PROV_CTX_OPS(pd) && KCF_PROV_CTX_OPS(pd)->free_context) ? \
	KCF_PROV_CTX_OPS(pd)->free_context(ctx) : CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_COPYIN_MECH(pd, umech, kmech, errorp, mode) ( \
	(KCF_PROV_MECH_OPS(pd) && KCF_PROV_MECH_OPS(pd)->copyin_mechanism) ? \
	KCF_PROV_MECH_OPS(pd)->copyin_mechanism( \
	    (pd)->pd_prov_handle, umech, kmech, errorp, mode) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_COPYOUT_MECH(pd, kmech, umech, errorp, mode) ( \
	(KCF_PROV_MECH_OPS(pd) && KCF_PROV_MECH_OPS(pd)->copyout_mechanism) ? \
	KCF_PROV_MECH_OPS(pd)->copyout_mechanism( \
	    (pd)->pd_prov_handle, kmech, umech, errorp, mode) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_FREE_MECH(pd, prov_mech) ( \
	(KCF_PROV_MECH_OPS(pd) && KCF_PROV_MECH_OPS(pd)->free_mechanism) ? \
	KCF_PROV_MECH_OPS(pd)->free_mechanism( \
	    (pd)->pd_prov_handle, prov_mech) : CRYPTO_NOT_SUPPORTED)

/*
 * Wrappers for crypto_digest_ops(9S) entry points.
 */

#define	KCF_PROV_DIGEST_INIT(pd, ctx, mech, req) ( \
	(KCF_PROV_DIGEST_OPS(pd) && KCF_PROV_DIGEST_OPS(pd)->digest_init) ? \
	KCF_PROV_DIGEST_OPS(pd)->digest_init(ctx, mech, req) : \
	CRYPTO_NOT_SUPPORTED)

/*
 * The _ (underscore) in _digest is needed to avoid replacing the
 * function digest().
 */
#define	KCF_PROV_DIGEST(pd, ctx, data, _digest, req) ( \
	(KCF_PROV_DIGEST_OPS(pd) && KCF_PROV_DIGEST_OPS(pd)->digest) ? \
	KCF_PROV_DIGEST_OPS(pd)->digest(ctx, data, _digest, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_DIGEST_UPDATE(pd, ctx, data, req) ( \
	(KCF_PROV_DIGEST_OPS(pd) && KCF_PROV_DIGEST_OPS(pd)->digest_update) ? \
	KCF_PROV_DIGEST_OPS(pd)->digest_update(ctx, data, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_DIGEST_KEY(pd, ctx, key, req) ( \
	(KCF_PROV_DIGEST_OPS(pd) && KCF_PROV_DIGEST_OPS(pd)->digest_key) ? \
	KCF_PROV_DIGEST_OPS(pd)->digest_key(ctx, key, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_DIGEST_FINAL(pd, ctx, digest, req) ( \
	(KCF_PROV_DIGEST_OPS(pd) && KCF_PROV_DIGEST_OPS(pd)->digest_final) ? \
	KCF_PROV_DIGEST_OPS(pd)->digest_final(ctx, digest, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_DIGEST_ATOMIC(pd, session, mech, data, digest, req) ( \
	(KCF_PROV_DIGEST_OPS(pd) && KCF_PROV_DIGEST_OPS(pd)->digest_atomic) ? \
	KCF_PROV_DIGEST_OPS(pd)->digest_atomic( \
	    (pd)->pd_prov_handle, session, mech, data, digest, req) : \
	CRYPTO_NOT_SUPPORTED)

/*
 * Wrappers for crypto_cipher_ops(9S) entry points.
 */

#define	KCF_PROV_ENCRYPT_INIT(pd, ctx, mech, key, template, req) ( \
	(KCF_PROV_CIPHER_OPS(pd) && KCF_PROV_CIPHER_OPS(pd)->encrypt_init) ? \
	KCF_PROV_CIPHER_OPS(pd)->encrypt_init(ctx, mech, key, template, \
	    req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_ENCRYPT(pd, ctx, plaintext, ciphertext, req) ( \
	(KCF_PROV_CIPHER_OPS(pd) && KCF_PROV_CIPHER_OPS(pd)->encrypt) ? \
	KCF_PROV_CIPHER_OPS(pd)->encrypt(ctx, plaintext, ciphertext, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_ENCRYPT_UPDATE(pd, ctx, plaintext, ciphertext, req) ( \
	(KCF_PROV_CIPHER_OPS(pd) && KCF_PROV_CIPHER_OPS(pd)->encrypt_update) ? \
	KCF_PROV_CIPHER_OPS(pd)->encrypt_update(ctx, plaintext, \
	    ciphertext, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_ENCRYPT_FINAL(pd, ctx, ciphertext, req) ( \
	(KCF_PROV_CIPHER_OPS(pd) && KCF_PROV_CIPHER_OPS(pd)->encrypt_final) ? \
	KCF_PROV_CIPHER_OPS(pd)->encrypt_final(ctx, ciphertext, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_ENCRYPT_ATOMIC(pd, session, mech, key, plaintext, ciphertext, \
	    template, req) ( \
	(KCF_PROV_CIPHER_OPS(pd) && KCF_PROV_CIPHER_OPS(pd)->encrypt_atomic) ? \
	KCF_PROV_CIPHER_OPS(pd)->encrypt_atomic( \
	    (pd)->pd_prov_handle, session, mech, key, plaintext, ciphertext, \
	    template, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_DECRYPT_INIT(pd, ctx, mech, key, template, req) ( \
	(KCF_PROV_CIPHER_OPS(pd) && KCF_PROV_CIPHER_OPS(pd)->decrypt_init) ? \
	KCF_PROV_CIPHER_OPS(pd)->decrypt_init(ctx, mech, key, template, \
	    req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_DECRYPT(pd, ctx, ciphertext, plaintext, req) ( \
	(KCF_PROV_CIPHER_OPS(pd) && KCF_PROV_CIPHER_OPS(pd)->decrypt) ? \
	KCF_PROV_CIPHER_OPS(pd)->decrypt(ctx, ciphertext, plaintext, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_DECRYPT_UPDATE(pd, ctx, ciphertext, plaintext, req) ( \
	(KCF_PROV_CIPHER_OPS(pd) && KCF_PROV_CIPHER_OPS(pd)->decrypt_update) ? \
	KCF_PROV_CIPHER_OPS(pd)->decrypt_update(ctx, ciphertext, \
	    plaintext, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_DECRYPT_FINAL(pd, ctx, plaintext, req) ( \
	(KCF_PROV_CIPHER_OPS(pd) && KCF_PROV_CIPHER_OPS(pd)->decrypt_final) ? \
	KCF_PROV_CIPHER_OPS(pd)->decrypt_final(ctx, plaintext, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_DECRYPT_ATOMIC(pd, session, mech, key, ciphertext, plaintext, \
	    template, req) ( \
	(KCF_PROV_CIPHER_OPS(pd) && KCF_PROV_CIPHER_OPS(pd)->decrypt_atomic) ? \
	KCF_PROV_CIPHER_OPS(pd)->decrypt_atomic( \
	    (pd)->pd_prov_handle, session, mech, key, ciphertext, plaintext, \
	    template, req) : \
	CRYPTO_NOT_SUPPORTED)

/*
 * Wrappers for crypto_mac_ops(9S) entry points.
 */

#define	KCF_PROV_MAC_INIT(pd, ctx, mech, key, template, req) ( \
	(KCF_PROV_MAC_OPS(pd) && KCF_PROV_MAC_OPS(pd)->mac_init) ? \
	KCF_PROV_MAC_OPS(pd)->mac_init(ctx, mech, key, template, req) \
	: CRYPTO_NOT_SUPPORTED)

/*
 * The _ (underscore) in _mac is needed to avoid replacing the
 * function mac().
 */
#define	KCF_PROV_MAC(pd, ctx, data, _mac, req) ( \
	(KCF_PROV_MAC_OPS(pd) && KCF_PROV_MAC_OPS(pd)->mac) ? \
	KCF_PROV_MAC_OPS(pd)->mac(ctx, data, _mac, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_MAC_UPDATE(pd, ctx, data, req) ( \
	(KCF_PROV_MAC_OPS(pd) && KCF_PROV_MAC_OPS(pd)->mac_update) ? \
	KCF_PROV_MAC_OPS(pd)->mac_update(ctx, data, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_MAC_FINAL(pd, ctx, mac, req) ( \
	(KCF_PROV_MAC_OPS(pd) && KCF_PROV_MAC_OPS(pd)->mac_final) ? \
	KCF_PROV_MAC_OPS(pd)->mac_final(ctx, mac, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_MAC_ATOMIC(pd, session, mech, key, data, mac, template, \
	    req) ( \
	(KCF_PROV_MAC_OPS(pd) && KCF_PROV_MAC_OPS(pd)->mac_atomic) ? \
	KCF_PROV_MAC_OPS(pd)->mac_atomic( \
	    (pd)->pd_prov_handle, session, mech, key, data, mac, template, \
	    req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_MAC_VERIFY_ATOMIC(pd, session, mech, key, data, mac, \
	    template, req) ( \
	(KCF_PROV_MAC_OPS(pd) && KCF_PROV_MAC_OPS(pd)->mac_verify_atomic) ? \
	KCF_PROV_MAC_OPS(pd)->mac_verify_atomic( \
	    (pd)->pd_prov_handle, session, mech, key, data, mac, template, \
	    req) : \
	CRYPTO_NOT_SUPPORTED)

/*
 * Wrappers for crypto_sign_ops(9S) entry points.
 */

#define	KCF_PROV_SIGN_INIT(pd, ctx, mech, key, template, req) ( \
	(KCF_PROV_SIGN_OPS(pd) && KCF_PROV_SIGN_OPS(pd)->sign_init) ? \
	KCF_PROV_SIGN_OPS(pd)->sign_init( \
	    ctx, mech, key, template, req) : CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_SIGN(pd, ctx, data, sig, req) ( \
	(KCF_PROV_SIGN_OPS(pd) && KCF_PROV_SIGN_OPS(pd)->sign) ? \
	KCF_PROV_SIGN_OPS(pd)->sign(ctx, data, sig, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_SIGN_UPDATE(pd, ctx, data, req) ( \
	(KCF_PROV_SIGN_OPS(pd) && KCF_PROV_SIGN_OPS(pd)->sign_update) ? \
	KCF_PROV_SIGN_OPS(pd)->sign_update(ctx, data, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_SIGN_FINAL(pd, ctx, sig, req) ( \
	(KCF_PROV_SIGN_OPS(pd) && KCF_PROV_SIGN_OPS(pd)->sign_final) ? \
	KCF_PROV_SIGN_OPS(pd)->sign_final(ctx, sig, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_SIGN_ATOMIC(pd, session, mech, key, data, template, \
	    sig, req) ( \
	(KCF_PROV_SIGN_OPS(pd) && KCF_PROV_SIGN_OPS(pd)->sign_atomic) ? \
	KCF_PROV_SIGN_OPS(pd)->sign_atomic( \
	    (pd)->pd_prov_handle, session, mech, key, data, sig, template, \
	    req) : CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_SIGN_RECOVER_INIT(pd, ctx, mech, key, template, \
	    req) ( \
	(KCF_PROV_SIGN_OPS(pd) && KCF_PROV_SIGN_OPS(pd)->sign_recover_init) ? \
	KCF_PROV_SIGN_OPS(pd)->sign_recover_init(ctx, mech, key, template, \
	    req) : CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_SIGN_RECOVER(pd, ctx, data, sig, req) ( \
	(KCF_PROV_SIGN_OPS(pd) && KCF_PROV_SIGN_OPS(pd)->sign_recover) ? \
	KCF_PROV_SIGN_OPS(pd)->sign_recover(ctx, data, sig, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_SIGN_RECOVER_ATOMIC(pd, session, mech, key, data, template, \
	    sig, req) ( \
	(KCF_PROV_SIGN_OPS(pd) && \
	KCF_PROV_SIGN_OPS(pd)->sign_recover_atomic) ? \
	KCF_PROV_SIGN_OPS(pd)->sign_recover_atomic( \
	    (pd)->pd_prov_handle, session, mech, key, data, sig, template, \
	    req) : CRYPTO_NOT_SUPPORTED)

/*
 * Wrappers for crypto_verify_ops(9S) entry points.
 */

#define	KCF_PROV_VERIFY_INIT(pd, ctx, mech, key, template, req) ( \
	(KCF_PROV_VERIFY_OPS(pd) && KCF_PROV_VERIFY_OPS(pd)->verify_init) ? \
	KCF_PROV_VERIFY_OPS(pd)->verify_init(ctx, mech, key, template, \
	    req) : CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_VERIFY(pd, ctx, data, sig, req) ( \
	(KCF_PROV_VERIFY_OPS(pd) && KCF_PROV_VERIFY_OPS(pd)->do_verify) ? \
	KCF_PROV_VERIFY_OPS(pd)->do_verify(ctx, data, sig, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_VERIFY_UPDATE(pd, ctx, data, req) ( \
	(KCF_PROV_VERIFY_OPS(pd) && KCF_PROV_VERIFY_OPS(pd)->verify_update) ? \
	KCF_PROV_VERIFY_OPS(pd)->verify_update(ctx, data, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_VERIFY_FINAL(pd, ctx, sig, req) ( \
	(KCF_PROV_VERIFY_OPS(pd) && KCF_PROV_VERIFY_OPS(pd)->verify_final) ? \
	KCF_PROV_VERIFY_OPS(pd)->verify_final(ctx, sig, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_VERIFY_ATOMIC(pd, session, mech, key, data, template, sig, \
	    req) ( \
	(KCF_PROV_VERIFY_OPS(pd) && KCF_PROV_VERIFY_OPS(pd)->verify_atomic) ? \
	KCF_PROV_VERIFY_OPS(pd)->verify_atomic( \
	    (pd)->pd_prov_handle, session, mech, key, data, sig, template, \
	    req) : CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_VERIFY_RECOVER_INIT(pd, ctx, mech, key, template, \
	    req) ( \
	(KCF_PROV_VERIFY_OPS(pd) && \
	KCF_PROV_VERIFY_OPS(pd)->verify_recover_init) ? \
	KCF_PROV_VERIFY_OPS(pd)->verify_recover_init(ctx, mech, key, \
	    template, req) : CRYPTO_NOT_SUPPORTED)

/* verify_recover() CSPI routine has different argument order than verify() */
#define	KCF_PROV_VERIFY_RECOVER(pd, ctx, sig, data, req) ( \
	(KCF_PROV_VERIFY_OPS(pd) && KCF_PROV_VERIFY_OPS(pd)->verify_recover) ? \
	KCF_PROV_VERIFY_OPS(pd)->verify_recover(ctx, sig, data, req) : \
	CRYPTO_NOT_SUPPORTED)

/*
 * verify_recover_atomic() CSPI routine has different argument order
 * than verify_atomic().
 */
#define	KCF_PROV_VERIFY_RECOVER_ATOMIC(pd, session, mech, key, sig, \
	    template, data,  req) ( \
	(KCF_PROV_VERIFY_OPS(pd) && \
	KCF_PROV_VERIFY_OPS(pd)->verify_recover_atomic) ? \
	KCF_PROV_VERIFY_OPS(pd)->verify_recover_atomic( \
	    (pd)->pd_prov_handle, session, mech, key, sig, data, template, \
	    req) : CRYPTO_NOT_SUPPORTED)

/*
 * Wrappers for crypto_dual_ops(9S) entry points.
 */

#define	KCF_PROV_DIGEST_ENCRYPT_UPDATE(digest_ctx, encrypt_ctx, plaintext, \
	    ciphertext, req) ( \
	(KCF_PROV_DUAL_OPS(pd) && \
	KCF_PROV_DUAL_OPS(pd)->digest_encrypt_update) ? \
	KCF_PROV_DUAL_OPS(pd)->digest_encrypt_update( \
	    digest_ctx, encrypt_ctx, plaintext, ciphertext, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_DECRYPT_DIGEST_UPDATE(decrypt_ctx, digest_ctx, ciphertext, \
	    plaintext, req) ( \
	(KCF_PROV_DUAL_OPS(pd) && \
	KCF_PROV_DUAL_OPS(pd)->decrypt_digest_update) ? \
	KCF_PROV_DUAL_OPS(pd)->decrypt_digest_update( \
	    decrypt_ctx, digest_ctx, ciphertext, plaintext, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_SIGN_ENCRYPT_UPDATE(sign_ctx, encrypt_ctx, plaintext, \
	    ciphertext, req) ( \
	(KCF_PROV_DUAL_OPS(pd) && \
	KCF_PROV_DUAL_OPS(pd)->sign_encrypt_update) ? \
	KCF_PROV_DUAL_OPS(pd)->sign_encrypt_update( \
	    sign_ctx, encrypt_ctx, plaintext, ciphertext, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_DECRYPT_VERIFY_UPDATE(decrypt_ctx, verify_ctx, ciphertext, \
	    plaintext, req) ( \
	(KCF_PROV_DUAL_OPS(pd) && \
	KCF_PROV_DUAL_OPS(pd)->decrypt_verify_update) ? \
	KCF_PROV_DUAL_OPS(pd)->decrypt_verify_update( \
	    decrypt_ctx, verify_ctx, ciphertext, plaintext, req) : \
	CRYPTO_NOT_SUPPORTED)

/*
 * Wrappers for crypto_dual_cipher_mac_ops(9S) entry points.
 */

#define	KCF_PROV_ENCRYPT_MAC_INIT(pd, ctx, encr_mech, encr_key, mac_mech, \
	    mac_key, encr_ctx_template, mac_ctx_template, req) ( \
	(KCF_PROV_DUAL_CIPHER_MAC_OPS(pd) && \
	KCF_PROV_DUAL_CIPHER_MAC_OPS(pd)->encrypt_mac_init) ? \
	KCF_PROV_DUAL_CIPHER_MAC_OPS(pd)->encrypt_mac_init( \
	    ctx, encr_mech, encr_key, mac_mech, mac_key, encr_ctx_template, \
	    mac_ctx_template, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_ENCRYPT_MAC(pd, ctx, plaintext, ciphertext, mac, req) ( \
	(KCF_PROV_DUAL_CIPHER_MAC_OPS(pd) && \
	KCF_PROV_DUAL_CIPHER_MAC_OPS(pd)->encrypt_mac) ? \
	KCF_PROV_DUAL_CIPHER_MAC_OPS(pd)->encrypt_mac( \
	    ctx, plaintext, ciphertext, mac, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_ENCRYPT_MAC_UPDATE(pd, ctx, plaintext, ciphertext, req) ( \
	(KCF_PROV_DUAL_CIPHER_MAC_OPS(pd) && \
	KCF_PROV_DUAL_CIPHER_MAC_OPS(pd)->encrypt_mac_update) ? \
	KCF_PROV_DUAL_CIPHER_MAC_OPS(pd)->encrypt_mac_update( \
	    ctx, plaintext, ciphertext, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_ENCRYPT_MAC_FINAL(pd, ctx, ciphertext, mac, req) ( \
	(KCF_PROV_DUAL_CIPHER_MAC_OPS(pd) && \
	KCF_PROV_DUAL_CIPHER_MAC_OPS(pd)->encrypt_mac_final) ? \
	KCF_PROV_DUAL_CIPHER_MAC_OPS(pd)->encrypt_mac_final( \
	    ctx, ciphertext, mac, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_ENCRYPT_MAC_ATOMIC(pd, session, encr_mech, encr_key, \
	    mac_mech, mac_key, plaintext, ciphertext, mac, \
	    encr_ctx_template, mac_ctx_template, req) ( \
	(KCF_PROV_DUAL_CIPHER_MAC_OPS(pd) && \
	KCF_PROV_DUAL_CIPHER_MAC_OPS(pd)->encrypt_mac_atomic) ? \
	KCF_PROV_DUAL_CIPHER_MAC_OPS(pd)->encrypt_mac_atomic( \
	    (pd)->pd_prov_handle, session, encr_mech, encr_key, \
	    mac_mech, mac_key, plaintext, ciphertext, mac, \
	    encr_ctx_template, mac_ctx_template, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_MAC_DECRYPT_INIT(pd, ctx, mac_mech, mac_key, decr_mech, \
	    decr_key, mac_ctx_template, decr_ctx_template, req) ( \
	(KCF_PROV_DUAL_CIPHER_MAC_OPS(pd) && \
	KCF_PROV_DUAL_CIPHER_MAC_OPS(pd)->mac_decrypt_init) ? \
	KCF_PROV_DUAL_CIPHER_MAC_OPS(pd)->mac_decrypt_init( \
	    ctx, mac_mech, mac_key, decr_mech, decr_key, mac_ctx_template, \
	    decr_ctx_template, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_MAC_DECRYPT(pd, ctx, ciphertext, mac, plaintext, req) ( \
	(KCF_PROV_DUAL_CIPHER_MAC_OPS(pd) && \
	KCF_PROV_DUAL_CIPHER_MAC_OPS(pd)->mac_decrypt) ? \
	KCF_PROV_DUAL_CIPHER_MAC_OPS(pd)->mac_decrypt( \
	    ctx, ciphertext, mac, plaintext, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_MAC_DECRYPT_UPDATE(pd, ctx, ciphertext, plaintext, req) ( \
	(KCF_PROV_DUAL_CIPHER_MAC_OPS(pd) && \
	KCF_PROV_DUAL_CIPHER_MAC_OPS(pd)->mac_decrypt_update) ? \
	KCF_PROV_DUAL_CIPHER_MAC_OPS(pd)->mac_decrypt_update( \
	    ctx, ciphertext, plaintext, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_MAC_DECRYPT_FINAL(pd, ctx, mac, plaintext, req) ( \
	(KCF_PROV_DUAL_CIPHER_MAC_OPS(pd) && \
	KCF_PROV_DUAL_CIPHER_MAC_OPS(pd)->mac_decrypt_final) ? \
	KCF_PROV_DUAL_CIPHER_MAC_OPS(pd)->mac_decrypt_final( \
	    ctx, mac, plaintext, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_MAC_DECRYPT_ATOMIC(pd, session, mac_mech, mac_key, \
	    decr_mech, decr_key, ciphertext, mac, plaintext, \
	    mac_ctx_template, decr_ctx_template, req) ( \
	(KCF_PROV_DUAL_CIPHER_MAC_OPS(pd) && \
	KCF_PROV_DUAL_CIPHER_MAC_OPS(pd)->mac_decrypt_atomic) ? \
	KCF_PROV_DUAL_CIPHER_MAC_OPS(pd)->mac_decrypt_atomic( \
	    (pd)->pd_prov_handle, session, mac_mech, mac_key, \
	    decr_mech, decr_key, ciphertext, mac, plaintext, \
	    mac_ctx_template, decr_ctx_template, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_MAC_VERIFY_DECRYPT_ATOMIC(pd, session, mac_mech, mac_key, \
	    decr_mech, decr_key, ciphertext, mac, plaintext, \
	    mac_ctx_template, decr_ctx_template, req) ( \
	(KCF_PROV_DUAL_CIPHER_MAC_OPS(pd) && \
	KCF_PROV_DUAL_CIPHER_MAC_OPS(pd)->mac_verify_decrypt_atomic \
	    != NULL) ? \
	KCF_PROV_DUAL_CIPHER_MAC_OPS(pd)->mac_verify_decrypt_atomic( \
	    (pd)->pd_prov_handle, session, mac_mech, mac_key, \
	    decr_mech, decr_key, ciphertext, mac, plaintext, \
	    mac_ctx_template, decr_ctx_template, req) : \
	CRYPTO_NOT_SUPPORTED)

/*
 * Wrappers for crypto_random_number_ops(9S) entry points.
 */

#define	KCF_PROV_SEED_RANDOM(pd, session, buf, len, est, flags, req) ( \
	(KCF_PROV_RANDOM_OPS(pd) && KCF_PROV_RANDOM_OPS(pd)->seed_random) ? \
	KCF_PROV_RANDOM_OPS(pd)->seed_random((pd)->pd_prov_handle, \
	    session, buf, len, est, flags, req) : CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_GENERATE_RANDOM(pd, session, buf, len, req) ( \
	(KCF_PROV_RANDOM_OPS(pd) && \
	KCF_PROV_RANDOM_OPS(pd)->generate_random) ? \
	KCF_PROV_RANDOM_OPS(pd)->generate_random((pd)->pd_prov_handle, \
	    session, buf, len, req) : CRYPTO_NOT_SUPPORTED)

/*
 * Wrappers for crypto_session_ops(9S) entry points.
 *
 * ops_pd is the provider descriptor that supplies the ops_vector.
 * pd is the descriptor that supplies the provider handle.
 * Only session open/close needs two handles.
 */

#define	KCF_PROV_SESSION_OPEN(ops_pd, session, req, pd) ( \
	(KCF_PROV_SESSION_OPS(ops_pd) && \
	KCF_PROV_SESSION_OPS(ops_pd)->session_open) ? \
	KCF_PROV_SESSION_OPS(ops_pd)->session_open((pd)->pd_prov_handle, \
	    session, req) : CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_SESSION_CLOSE(ops_pd, session, req, pd) ( \
	(KCF_PROV_SESSION_OPS(ops_pd) && \
	KCF_PROV_SESSION_OPS(ops_pd)->session_close) ? \
	KCF_PROV_SESSION_OPS(ops_pd)->session_close((pd)->pd_prov_handle, \
	    session, req) : CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_SESSION_LOGIN(pd, session, user_type, pin, len, req) ( \
	(KCF_PROV_SESSION_OPS(pd) && \
	KCF_PROV_SESSION_OPS(pd)->session_login) ? \
	KCF_PROV_SESSION_OPS(pd)->session_login((pd)->pd_prov_handle, \
	    session, user_type, pin, len, req) : CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_SESSION_LOGOUT(pd, session, req) ( \
	(KCF_PROV_SESSION_OPS(pd) && \
	KCF_PROV_SESSION_OPS(pd)->session_logout) ? \
	KCF_PROV_SESSION_OPS(pd)->session_logout((pd)->pd_prov_handle, \
	    session, req) : CRYPTO_NOT_SUPPORTED)

/*
 * Wrappers for crypto_object_ops(9S) entry points.
 */

#define	KCF_PROV_OBJECT_CREATE(pd, session, template, count, object, req) ( \
	(KCF_PROV_OBJECT_OPS(pd) && KCF_PROV_OBJECT_OPS(pd)->object_create) ? \
	KCF_PROV_OBJECT_OPS(pd)->object_create((pd)->pd_prov_handle, \
	    session, template, count, object, req) : CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_OBJECT_COPY(pd, session, object, template, count, \
	    new_object, req) ( \
	(KCF_PROV_OBJECT_OPS(pd) && KCF_PROV_OBJECT_OPS(pd)->object_copy) ? \
	KCF_PROV_OBJECT_OPS(pd)->object_copy((pd)->pd_prov_handle, \
	session, object, template, count, new_object, req) : \
	    CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_OBJECT_DESTROY(pd, session, object, req) ( \
	(KCF_PROV_OBJECT_OPS(pd) && KCF_PROV_OBJECT_OPS(pd)->object_destroy) ? \
	KCF_PROV_OBJECT_OPS(pd)->object_destroy((pd)->pd_prov_handle, \
	    session, object, req) : CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_OBJECT_GET_SIZE(pd, session, object, size, req) ( \
	(KCF_PROV_OBJECT_OPS(pd) && \
	KCF_PROV_OBJECT_OPS(pd)->object_get_size) ? \
	KCF_PROV_OBJECT_OPS(pd)->object_get_size((pd)->pd_prov_handle, \
	    session, object, size, req) : CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_OBJECT_GET_ATTRIBUTE_VALUE(pd, session, object, template, \
	    count, req) ( \
	(KCF_PROV_OBJECT_OPS(pd) && \
	KCF_PROV_OBJECT_OPS(pd)->object_get_attribute_value) ? \
	KCF_PROV_OBJECT_OPS(pd)->object_get_attribute_value( \
	(pd)->pd_prov_handle, session, object, template, count, req) : \
	    CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_OBJECT_SET_ATTRIBUTE_VALUE(pd, session, object, template, \
	    count, req) ( \
	(KCF_PROV_OBJECT_OPS(pd) && \
	KCF_PROV_OBJECT_OPS(pd)->object_set_attribute_value) ? \
	KCF_PROV_OBJECT_OPS(pd)->object_set_attribute_value( \
	(pd)->pd_prov_handle, session, object, template, count, req) : \
	    CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_OBJECT_FIND_INIT(pd, session, template, count, ppriv, \
	    req) ( \
	(KCF_PROV_OBJECT_OPS(pd) && \
	KCF_PROV_OBJECT_OPS(pd)->object_find_init) ? \
	KCF_PROV_OBJECT_OPS(pd)->object_find_init((pd)->pd_prov_handle, \
	session, template, count, ppriv, req) : CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_OBJECT_FIND(pd, ppriv, objects, max_objects, object_count, \
	    req) ( \
	(KCF_PROV_OBJECT_OPS(pd) && KCF_PROV_OBJECT_OPS(pd)->object_find) ? \
	KCF_PROV_OBJECT_OPS(pd)->object_find( \
	(pd)->pd_prov_handle, ppriv, objects, max_objects, object_count, \
	req) : CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_OBJECT_FIND_FINAL(pd, ppriv, req) ( \
	(KCF_PROV_OBJECT_OPS(pd) && \
	KCF_PROV_OBJECT_OPS(pd)->object_find_final) ? \
	KCF_PROV_OBJECT_OPS(pd)->object_find_final( \
	    (pd)->pd_prov_handle, ppriv, req) : CRYPTO_NOT_SUPPORTED)

/*
 * Wrappers for crypto_key_ops(9S) entry points.
 */

#define	KCF_PROV_KEY_GENERATE(pd, session, mech, template, count, object, \
	    req) ( \
	(KCF_PROV_KEY_OPS(pd) && KCF_PROV_KEY_OPS(pd)->key_generate) ? \
	KCF_PROV_KEY_OPS(pd)->key_generate((pd)->pd_prov_handle, \
	    session, mech, template, count, object, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_KEY_GENERATE_PAIR(pd, session, mech, pub_template, \
	    pub_count, priv_template, priv_count, pub_key, priv_key, req) ( \
	(KCF_PROV_KEY_OPS(pd) && KCF_PROV_KEY_OPS(pd)->key_generate_pair) ? \
	KCF_PROV_KEY_OPS(pd)->key_generate_pair((pd)->pd_prov_handle, \
	    session, mech, pub_template, pub_count, priv_template, \
	    priv_count, pub_key, priv_key, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_KEY_WRAP(pd, session, mech, wrapping_key, key, wrapped_key, \
	    wrapped_key_len, req) ( \
	(KCF_PROV_KEY_OPS(pd) && KCF_PROV_KEY_OPS(pd)->key_wrap) ? \
	KCF_PROV_KEY_OPS(pd)->key_wrap((pd)->pd_prov_handle, \
	    session, mech, wrapping_key, key, wrapped_key, wrapped_key_len, \
	    req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_KEY_UNWRAP(pd, session, mech, unwrapping_key, wrapped_key, \
	    wrapped_key_len, template, count, key, req) ( \
	(KCF_PROV_KEY_OPS(pd) && KCF_PROV_KEY_OPS(pd)->key_unwrap) ? \
	KCF_PROV_KEY_OPS(pd)->key_unwrap((pd)->pd_prov_handle, \
	    session, mech, unwrapping_key, wrapped_key, wrapped_key_len, \
	    template, count, key, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_KEY_DERIVE(pd, session, mech, base_key, template, count, \
	    key, req) ( \
	(KCF_PROV_KEY_OPS(pd) && KCF_PROV_KEY_OPS(pd)->key_derive) ? \
	KCF_PROV_KEY_OPS(pd)->key_derive((pd)->pd_prov_handle, \
	    session, mech, base_key, template, count, key, req) : \
	CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_KEY_CHECK(pd, mech, key) ( \
	(KCF_PROV_KEY_OPS(pd) && KCF_PROV_KEY_OPS(pd)->key_check) ? \
	KCF_PROV_KEY_OPS(pd)->key_check((pd)->pd_prov_handle, mech, key) : \
	CRYPTO_NOT_SUPPORTED)

/*
 * Wrappers for crypto_provider_management_ops(9S) entry points.
 *
 * ops_pd is the provider descriptor that supplies the ops_vector.
 * pd is the descriptor that supplies the provider handle.
 * Only ext_info needs two handles.
 */

#define	KCF_PROV_EXT_INFO(ops_pd, provext_info, req, pd) ( \
	(KCF_PROV_PROVIDER_OPS(ops_pd) && \
	KCF_PROV_PROVIDER_OPS(ops_pd)->ext_info) ? \
	KCF_PROV_PROVIDER_OPS(ops_pd)->ext_info((pd)->pd_prov_handle, \
	    provext_info, req) : CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_INIT_TOKEN(pd, pin, pin_len, label, req) ( \
	(KCF_PROV_PROVIDER_OPS(pd) && KCF_PROV_PROVIDER_OPS(pd)->init_token) ? \
	KCF_PROV_PROVIDER_OPS(pd)->init_token((pd)->pd_prov_handle, \
	    pin, pin_len, label, req) : CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_INIT_PIN(pd, session, pin, pin_len, req) ( \
	(KCF_PROV_PROVIDER_OPS(pd) && KCF_PROV_PROVIDER_OPS(pd)->init_pin) ? \
	KCF_PROV_PROVIDER_OPS(pd)->init_pin((pd)->pd_prov_handle, \
	    session, pin, pin_len, req) : CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_SET_PIN(pd, session, old_pin, old_len, new_pin, new_len, \
	    req) ( \
	(KCF_PROV_PROVIDER_OPS(pd) && KCF_PROV_PROVIDER_OPS(pd)->set_pin) ? \
	KCF_PROV_PROVIDER_OPS(pd)->set_pin((pd)->pd_prov_handle, \
	session, old_pin, old_len, new_pin, new_len, req) : \
	    CRYPTO_NOT_SUPPORTED)

/*
 * Wrappers for crypto_nostore_key_ops(9S) entry points.
 */

#define	KCF_PROV_NOSTORE_KEY_GENERATE(pd, session, mech, template, count, \
	    out_template, out_count, req) ( \
	(KCF_PROV_NOSTORE_KEY_OPS(pd) && \
	    KCF_PROV_NOSTORE_KEY_OPS(pd)->nostore_key_generate) ? \
	KCF_PROV_NOSTORE_KEY_OPS(pd)->nostore_key_generate( \
	    (pd)->pd_prov_handle, session, mech, template, count, \
	    out_template, out_count, req) : CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_NOSTORE_KEY_GENERATE_PAIR(pd, session, mech, pub_template, \
	    pub_count, priv_template, priv_count, out_pub_template, \
	    out_pub_count, out_priv_template, out_priv_count, req) ( \
	(KCF_PROV_NOSTORE_KEY_OPS(pd) && \
	    KCF_PROV_NOSTORE_KEY_OPS(pd)->nostore_key_generate_pair) ? \
	KCF_PROV_NOSTORE_KEY_OPS(pd)->nostore_key_generate_pair( \
	    (pd)->pd_prov_handle, session, mech, pub_template, pub_count, \
	    priv_template, priv_count, out_pub_template, out_pub_count, \
	    out_priv_template, out_priv_count, req) : CRYPTO_NOT_SUPPORTED)

#define	KCF_PROV_NOSTORE_KEY_DERIVE(pd, session, mech, base_key, template, \
	    count, out_template, out_count, req) ( \
	(KCF_PROV_NOSTORE_KEY_OPS(pd) && \
	    KCF_PROV_NOSTORE_KEY_OPS(pd)->nostore_key_derive) ? \
	KCF_PROV_NOSTORE_KEY_OPS(pd)->nostore_key_derive( \
	    (pd)->pd_prov_handle, session, mech, base_key, template, count, \
	    out_template, out_count, req) : CRYPTO_NOT_SUPPORTED)

/*
 * The following routines are exported by the kcf module (/kernel/misc/kcf)
 * to the crypto and cryptoadmin modules.
 */

/* Digest/mac/cipher entry points that take a provider descriptor and session */
extern int crypto_digest_single(crypto_context_t, crypto_data_t *,
    crypto_data_t *, crypto_call_req_t *);

extern int crypto_mac_single(crypto_context_t, crypto_data_t *,
    crypto_data_t *, crypto_call_req_t *);

extern int crypto_encrypt_single(crypto_context_t, crypto_data_t *,
    crypto_data_t *, crypto_call_req_t *);

extern int crypto_decrypt_single(crypto_context_t, crypto_data_t *,
    crypto_data_t *, crypto_call_req_t *);


/* Other private digest/mac/cipher entry points not exported through k-API */
extern int crypto_digest_key_prov(crypto_context_t, crypto_key_t *,
    crypto_call_req_t *);

/* Private sign entry points exported by KCF */
extern int crypto_sign_single(crypto_context_t, crypto_data_t *,
    crypto_data_t *, crypto_call_req_t *);

extern int crypto_sign_recover_single(crypto_context_t, crypto_data_t *,
    crypto_data_t *, crypto_call_req_t *);

/* Private verify entry points exported by KCF */
extern int crypto_verify_single(crypto_context_t, crypto_data_t *,
    crypto_data_t *, crypto_call_req_t *);

extern int crypto_verify_recover_single(crypto_context_t, crypto_data_t *,
    crypto_data_t *, crypto_call_req_t *);

/* Private dual operations entry points exported by KCF */
extern int crypto_digest_encrypt_update(crypto_context_t, crypto_context_t,
    crypto_data_t *, crypto_data_t *, crypto_call_req_t *);
extern int crypto_decrypt_digest_update(crypto_context_t, crypto_context_t,
    crypto_data_t *, crypto_data_t *, crypto_call_req_t *);
extern int crypto_sign_encrypt_update(crypto_context_t, crypto_context_t,
    crypto_data_t *, crypto_data_t *, crypto_call_req_t *);
extern int crypto_decrypt_verify_update(crypto_context_t, crypto_context_t,
    crypto_data_t *, crypto_data_t *, crypto_call_req_t *);

/* Random Number Generation */
int crypto_seed_random(crypto_provider_handle_t provider, uchar_t *buf,
    size_t len, crypto_call_req_t *req);
int crypto_generate_random(crypto_provider_handle_t provider, uchar_t *buf,
    size_t len, crypto_call_req_t *req);

/* Provider Management */
int crypto_get_provider_info(crypto_provider_id_t id,
    crypto_provider_info_t **info, crypto_call_req_t *req);
int crypto_get_provider_mechanisms(crypto_minor_t *, crypto_provider_id_t id,
    uint_t *count, crypto_mech_name_t **list);
int crypto_init_token(crypto_provider_handle_t provider, char *pin,
    size_t pin_len, char *label, crypto_call_req_t *);
int crypto_init_pin(crypto_provider_handle_t provider, char *pin,
    size_t pin_len, crypto_call_req_t *req);
int crypto_set_pin(crypto_provider_handle_t provider, char *old_pin,
    size_t old_len, char *new_pin, size_t new_len, crypto_call_req_t *req);
void crypto_free_provider_list(crypto_provider_entry_t *list, uint_t count);
void crypto_free_provider_info(crypto_provider_info_t *info);

/* Administrative */
int crypto_get_dev_list(uint_t *count, crypto_dev_list_entry_t **list);
int crypto_get_soft_list(uint_t *count, char **list, size_t *len);
int crypto_get_dev_info(char *name, uint_t instance, uint_t *count,
    crypto_mech_name_t **list);
int crypto_get_soft_info(caddr_t name, uint_t *count,
    crypto_mech_name_t **list);
int crypto_load_dev_disabled(char *name, uint_t instance, uint_t count,
    crypto_mech_name_t *list);
int crypto_load_soft_disabled(caddr_t name, uint_t count,
    crypto_mech_name_t *list);
int crypto_unload_soft_module(caddr_t path);
int crypto_load_soft_config(caddr_t name, uint_t count,
    crypto_mech_name_t *list);
int crypto_load_door(uint_t did);
void crypto_free_mech_list(crypto_mech_name_t *list, uint_t count);
void crypto_free_dev_list(crypto_dev_list_entry_t *list, uint_t count);

/* Miscellaneous */
int crypto_get_mechanism_number(caddr_t name, crypto_mech_type_t *number);
int crypto_build_permitted_mech_names(kcf_provider_desc_t *,
    crypto_mech_name_t **, uint_t *, int);
extern void kcf_destroy_mech_tabs(void);
extern void kcf_init_mech_tabs(void);
extern int kcf_add_mech_provider(short, kcf_provider_desc_t *,
    kcf_prov_mech_desc_t **);
extern void kcf_remove_mech_provider(char *, kcf_provider_desc_t *);
extern int kcf_get_mech_entry(crypto_mech_type_t, kcf_mech_entry_t **);
extern kcf_provider_desc_t *kcf_alloc_provider_desc(crypto_provider_info_t *);
extern void kcf_provider_zero_refcnt(kcf_provider_desc_t *);
extern void kcf_free_provider_desc(kcf_provider_desc_t *);
extern void kcf_soft_config_init(void);
extern int get_sw_provider_for_mech(crypto_mech_name_t, char **);
extern crypto_mech_type_t crypto_mech2id_common(char *, boolean_t);
extern void undo_register_provider(kcf_provider_desc_t *, boolean_t);
extern void redo_register_provider(kcf_provider_desc_t *);
extern void kcf_rnd_init(void);
extern boolean_t kcf_rngprov_check(void);
extern int kcf_rnd_get_pseudo_bytes(uint8_t *, size_t);
extern int kcf_rnd_get_bytes(uint8_t *, size_t, boolean_t, boolean_t);
extern int random_add_pseudo_entropy(uint8_t *, size_t, uint_t);
extern void kcf_rnd_schedule_timeout(boolean_t);
extern int crypto_uio_data(crypto_data_t *, uchar_t *, int, cmd_type_t,
    void *, void (*update)(void));
extern int crypto_mblk_data(crypto_data_t *, uchar_t *, int, cmd_type_t,
    void *, void (*update)(void));
extern int crypto_put_output_data(uchar_t *, crypto_data_t *, int);
extern int crypto_get_input_data(crypto_data_t *, uchar_t **, uchar_t *);
extern int crypto_copy_key_to_ctx(crypto_key_t *, crypto_key_t **, size_t *,
    int kmflag);
extern int crypto_digest_data(crypto_data_t *, void *, uchar_t *,
    void (*update)(void), void (*final)(void), uchar_t);
extern int crypto_update_iov(void *, crypto_data_t *, crypto_data_t *,
    int (*cipher)(void *, caddr_t, size_t, crypto_data_t *),
    void (*copy_block)(uint8_t *, uint64_t *));
extern int crypto_update_uio(void *, crypto_data_t *, crypto_data_t *,
    int (*cipher)(void *, caddr_t, size_t, crypto_data_t *),
    void (*copy_block)(uint8_t *, uint64_t *));
extern int crypto_update_mp(void *, crypto_data_t *, crypto_data_t *,
    int (*cipher)(void *, caddr_t, size_t, crypto_data_t *),
    void (*copy_block)(uint8_t *, uint64_t *));
extern int crypto_get_key_attr(crypto_key_t *, crypto_attr_type_t, uchar_t **,
    ssize_t *);

/* Access to the provider's table */
extern void kcf_prov_tab_destroy(void);
extern void kcf_prov_tab_init(void);
extern int kcf_prov_tab_add_provider(kcf_provider_desc_t *);
extern int kcf_prov_tab_rem_provider(crypto_provider_id_t);
extern kcf_provider_desc_t *kcf_prov_tab_lookup_by_name(char *);
extern kcf_provider_desc_t *kcf_prov_tab_lookup_by_dev(char *, uint_t);
extern int kcf_get_hw_prov_tab(uint_t *, kcf_provider_desc_t ***, int,
    char *, uint_t, boolean_t);
extern int kcf_get_slot_list(uint_t *, kcf_provider_desc_t ***, boolean_t);
extern void kcf_free_provider_tab(uint_t, kcf_provider_desc_t **);
extern kcf_provider_desc_t *kcf_prov_tab_lookup(crypto_provider_id_t);
extern int kcf_get_sw_prov(crypto_mech_type_t, kcf_provider_desc_t **,
    kcf_mech_entry_t **, boolean_t);

/* Access to the policy table */
extern boolean_t is_mech_disabled(kcf_provider_desc_t *, crypto_mech_name_t);
extern boolean_t is_mech_disabled_byname(crypto_provider_type_t, char *,
    uint_t, crypto_mech_name_t);
extern void kcf_policy_tab_init(void);
extern void kcf_policy_free_desc(kcf_policy_desc_t *);
extern void kcf_policy_remove_by_name(char *, uint_t *, crypto_mech_name_t **);
extern void kcf_policy_remove_by_dev(char *, uint_t, uint_t *,
    crypto_mech_name_t **);
extern kcf_policy_desc_t *kcf_policy_lookup_by_name(char *);
extern kcf_policy_desc_t *kcf_policy_lookup_by_dev(char *, uint_t);
extern int kcf_policy_load_soft_disabled(char *, uint_t, crypto_mech_name_t *,
    uint_t *, crypto_mech_name_t **);
extern int kcf_policy_load_dev_disabled(char *, uint_t, uint_t,
    crypto_mech_name_t *, uint_t *, crypto_mech_name_t **);
extern boolean_t in_soft_config_list(char *);


#ifdef	__cplusplus
}
#endif

#endif	/* _SYS_CRYPTO_IMPL_H */