xref: /titanic_44/usr/src/uts/common/sys/crypto/api.h (revision 3f7d54a6b84904c8f4d8daa4c7b577bede7df8b9)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
23  */
24 
25 #ifndef	_SYS_CRYPTO_API_H
26 #define	_SYS_CRYPTO_API_H
27 
28 #ifdef	__cplusplus
29 extern "C" {
30 #endif
31 
32 #include <sys/types.h>
33 #include <sys/crypto/common.h>
34 
35 #ifdef	_KERNEL
36 
37 
38 typedef long crypto_req_id_t;
39 typedef void *crypto_bc_t;
40 typedef void *crypto_context_t;
41 typedef void *crypto_ctx_template_t;
42 
43 typedef uint32_t crypto_call_flag_t;
44 
45 /* crypto_call_flag's values */
46 #define	CRYPTO_ALWAYS_QUEUE	0x00000001	/* ALWAYS queue the req. */
47 #define	CRYPTO_NOTIFY_OPDONE	0x00000002	/* Notify intermediate steps */
48 #define	CRYPTO_SKIP_REQID	0x00000004	/* Skip request ID generation */
49 
50 typedef struct {
51 	crypto_call_flag_t	cr_flag;
52 	void			(*cr_callback_func)(void *, int);
53 	void			*cr_callback_arg;
54 	crypto_req_id_t		cr_reqid;
55 } crypto_call_req_t;
56 
57 /*
58  * Returns the mechanism type corresponding to a mechanism name.
59  */
60 
61 #define	CRYPTO_MECH_INVALID	((uint64_t)-1)
62 extern crypto_mech_type_t crypto_mech2id(crypto_mech_name_t name);
63 
64 /*
65  * Create and destroy context templates.
66  */
67 extern int crypto_create_ctx_template(crypto_mechanism_t *mech,
68     crypto_key_t *key, crypto_ctx_template_t *tmpl, int kmflag);
69 extern void crypto_destroy_ctx_template(crypto_ctx_template_t tmpl);
70 
71 /*
72  * Single and multi-part digest operations.
73  */
74 extern int crypto_digest(crypto_mechanism_t *mech, crypto_data_t *data,
75     crypto_data_t *digest, crypto_call_req_t *cr);
76 extern int crypto_digest_prov(crypto_provider_t, crypto_session_id_t,
77     crypto_mechanism_t *, crypto_data_t *, crypto_data_t *,
78     crypto_call_req_t *);
79 extern int crypto_digest_init(crypto_mechanism_t *mech, crypto_context_t *ctxp,
80     crypto_call_req_t *cr);
81 extern int crypto_digest_init_prov(crypto_provider_t, crypto_session_id_t,
82     crypto_mechanism_t *, crypto_context_t *, crypto_call_req_t *);
83 extern int crypto_digest_update(crypto_context_t ctx, crypto_data_t *data,
84     crypto_call_req_t *cr);
85 extern int crypto_digest_final(crypto_context_t ctx, crypto_data_t *digest,
86     crypto_call_req_t *cr);
87 
88 /*
89  * Single and multi-part MAC operations.
90  */
91 extern int crypto_mac(crypto_mechanism_t *mech, crypto_data_t *data,
92     crypto_key_t *key, crypto_ctx_template_t tmpl, crypto_data_t *mac,
93     crypto_call_req_t *cr);
94 extern int crypto_mac_prov(crypto_provider_t, crypto_session_id_t,
95     crypto_mechanism_t *, crypto_data_t *, crypto_key_t *,
96     crypto_ctx_template_t, crypto_data_t *, crypto_call_req_t *);
97 extern int crypto_mac_verify(crypto_mechanism_t *mech, crypto_data_t *data,
98     crypto_key_t *key, crypto_ctx_template_t tmpl, crypto_data_t *mac,
99     crypto_call_req_t *cr);
100 extern int crypto_mac_verify_prov(crypto_provider_t, crypto_session_id_t,
101     crypto_mechanism_t *, crypto_data_t *, crypto_key_t *,
102     crypto_ctx_template_t, crypto_data_t *, crypto_call_req_t *);
103 extern int crypto_mac_init(crypto_mechanism_t *mech, crypto_key_t *key,
104     crypto_ctx_template_t tmpl, crypto_context_t *ctxp, crypto_call_req_t *cr);
105 extern int crypto_mac_init_prov(crypto_provider_t, crypto_session_id_t,
106     crypto_mechanism_t *, crypto_key_t *, crypto_ctx_template_t,
107     crypto_context_t *, crypto_call_req_t *);
108 extern int crypto_mac_update(crypto_context_t ctx, crypto_data_t *data,
109     crypto_call_req_t *cr);
110 extern int crypto_mac_final(crypto_context_t ctx, crypto_data_t *data,
111     crypto_call_req_t *cr);
112 
113 /*
114  * Single and multi-part sign with private key operations.
115  */
116 extern int crypto_sign(crypto_mechanism_t *mech, crypto_key_t *key,
117     crypto_data_t *data, crypto_ctx_template_t tmpl,
118     crypto_data_t *signature, crypto_call_req_t *cr);
119 extern int crypto_sign_prov(crypto_provider_t, crypto_session_id_t,
120     crypto_mechanism_t *, crypto_key_t *, crypto_data_t *,
121     crypto_ctx_template_t, crypto_data_t *, crypto_call_req_t *);
122 extern int crypto_sign_init(crypto_mechanism_t *mech, crypto_key_t *key,
123     crypto_ctx_template_t tmpl, crypto_context_t *ctxp, crypto_call_req_t *cr);
124 extern int crypto_sign_init_prov(crypto_provider_t, crypto_session_id_t,
125     crypto_mechanism_t *, crypto_key_t *, crypto_ctx_template_t,
126     crypto_context_t *, crypto_call_req_t *);
127 extern int crypto_sign_update(crypto_context_t ctx, crypto_data_t *data,
128     crypto_call_req_t *cr);
129 extern int crypto_sign_final(crypto_context_t ctx, crypto_data_t *signature,
130     crypto_call_req_t *cr);
131 extern int crypto_sign_recover_init_prov(crypto_provider_t,
132     crypto_session_id_t, crypto_mechanism_t *, crypto_key_t *,
133     crypto_ctx_template_t tmpl, crypto_context_t *, crypto_call_req_t *);
134 extern int crypto_sign_recover(crypto_mechanism_t *mech, crypto_key_t *key,
135     crypto_data_t *data, crypto_ctx_template_t tmpl, crypto_data_t *signature,
136     crypto_call_req_t *cr);
137 extern int crypto_sign_recover_prov(crypto_provider_t, crypto_session_id_t,
138     crypto_mechanism_t *, crypto_key_t *, crypto_data_t *,
139     crypto_ctx_template_t, crypto_data_t *, crypto_call_req_t *);
140 
141 /*
142  * Single and multi-part verify with public key operations.
143  */
144 extern int crypto_verify(crypto_mechanism_t *mech, crypto_key_t *key,
145     crypto_data_t *data, crypto_ctx_template_t tmpl, crypto_data_t *signature,
146     crypto_call_req_t *cr);
147 extern int crypto_verify_prov(crypto_provider_t, crypto_session_id_t,
148     crypto_mechanism_t *, crypto_key_t *, crypto_data_t *,
149     crypto_ctx_template_t, crypto_data_t *, crypto_call_req_t *);
150 extern int crypto_verify_init(crypto_mechanism_t *mech, crypto_key_t *key,
151     crypto_ctx_template_t tmpl, crypto_context_t *ctxp, crypto_call_req_t *cr);
152 extern int crypto_verify_init_prov(crypto_provider_t, crypto_session_id_t,
153     crypto_mechanism_t *, crypto_key_t *, crypto_ctx_template_t,
154     crypto_context_t *, crypto_call_req_t *);
155 extern int crypto_verify_update(crypto_context_t ctx, crypto_data_t *data,
156     crypto_call_req_t *cr);
157 extern int crypto_verify_final(crypto_context_t ctx, crypto_data_t *signature,
158     crypto_call_req_t *cr);
159 extern int crypto_verify_recover_init_prov(crypto_provider_t,
160     crypto_session_id_t, crypto_mechanism_t *, crypto_key_t *,
161     crypto_ctx_template_t tmpl, crypto_context_t *, crypto_call_req_t *);
162 extern int crypto_verify_recover(crypto_mechanism_t *mech, crypto_key_t *key,
163     crypto_data_t *signature, crypto_ctx_template_t tmpl, crypto_data_t *data,
164     crypto_call_req_t *cr);
165 extern int crypto_verify_recover_prov(crypto_provider_t, crypto_session_id_t,
166     crypto_mechanism_t *, crypto_key_t *, crypto_data_t *,
167     crypto_ctx_template_t, crypto_data_t *, crypto_call_req_t *);
168 
169 /*
170  * Single and multi-part encryption operations.
171  */
172 extern int crypto_encrypt(crypto_mechanism_t *mech, crypto_data_t *plaintext,
173     crypto_key_t *key, crypto_ctx_template_t tmpl, crypto_data_t *ciphertext,
174     crypto_call_req_t *cr);
175 extern int crypto_encrypt_prov(crypto_provider_t, crypto_session_id_t,
176     crypto_mechanism_t *, crypto_data_t *, crypto_key_t *,
177     crypto_ctx_template_t, crypto_data_t *, crypto_call_req_t *);
178 extern int crypto_encrypt_init(crypto_mechanism_t *mech, crypto_key_t *key,
179     crypto_ctx_template_t tmpl, crypto_context_t *ctxp, crypto_call_req_t *cr);
180 extern int crypto_encrypt_init_prov(crypto_provider_t, crypto_session_id_t,
181     crypto_mechanism_t *, crypto_key_t *, crypto_ctx_template_t,
182     crypto_context_t *, crypto_call_req_t *);
183 extern int crypto_encrypt_update(crypto_context_t ctx,
184     crypto_data_t *plaintext, crypto_data_t *ciphertext,
185     crypto_call_req_t *cr);
186 extern int crypto_encrypt_final(crypto_context_t ctx,
187     crypto_data_t *ciphertext, crypto_call_req_t *cr);
188 
189 /*
190  * Single and multi-part decryption operations.
191  */
192 extern int crypto_decrypt(crypto_mechanism_t *mech, crypto_data_t *ciphertext,
193     crypto_key_t *key, crypto_ctx_template_t tmpl, crypto_data_t *plaintext,
194     crypto_call_req_t *cr);
195 extern int crypto_decrypt_prov(crypto_provider_t, crypto_session_id_t,
196     crypto_mechanism_t *, crypto_data_t *, crypto_key_t *,
197     crypto_ctx_template_t, crypto_data_t *, crypto_call_req_t *);
198 extern int crypto_decrypt_init(crypto_mechanism_t *mech, crypto_key_t *key,
199     crypto_ctx_template_t tmpl, crypto_context_t *ctxp,
200     crypto_call_req_t *cr);
201 extern int crypto_decrypt_init_prov(crypto_provider_t, crypto_session_id_t,
202     crypto_mechanism_t *, crypto_key_t *, crypto_ctx_template_t,
203     crypto_context_t *, crypto_call_req_t *);
204 extern int crypto_decrypt_update(crypto_context_t ctx,
205     crypto_data_t *ciphertext, crypto_data_t *plaintext,
206     crypto_call_req_t *cr);
207 extern int crypto_decrypt_final(crypto_context_t ctx, crypto_data_t *plaintext,
208     crypto_call_req_t *cr);
209 
210 /*
211  * Single and multi-part encrypt/MAC dual operations.
212  */
213 extern int crypto_encrypt_mac(crypto_mechanism_t *encr_mech,
214     crypto_mechanism_t *mac_mech, crypto_data_t *pt,
215     crypto_key_t *encr_key, crypto_key_t *mac_key,
216     crypto_ctx_template_t encr_tmpl, crypto_ctx_template_t mac_tmpl,
217     crypto_dual_data_t *ct, crypto_data_t *mac, crypto_call_req_t *cr);
218 extern int crypto_encrypt_mac_prov(crypto_provider_t, crypto_session_id_t,
219     crypto_mechanism_t *, crypto_mechanism_t *, crypto_data_t *,
220     crypto_key_t *, crypto_key_t *, crypto_ctx_template_t,
221     crypto_ctx_template_t, crypto_dual_data_t *, crypto_data_t *,
222     crypto_call_req_t *);
223 extern int crypto_encrypt_mac_init(crypto_mechanism_t *encr_mech,
224     crypto_mechanism_t *mac_mech, crypto_key_t *encr_key,
225     crypto_key_t *mac_key, crypto_ctx_template_t encr_tmpl,
226     crypto_ctx_template_t mac_tmpl, crypto_context_t *ctxp,
227     crypto_call_req_t *cr);
228 extern int crypto_encrypt_mac_init_prov(crypto_provider_t, crypto_session_id_t,
229     crypto_mechanism_t *, crypto_mechanism_t *, crypto_key_t *, crypto_key_t *,
230     crypto_ctx_template_t, crypto_ctx_template_t, crypto_context_t *,
231     crypto_call_req_t *);
232 extern int crypto_encrypt_mac_update(crypto_context_t ctx,
233     crypto_data_t *pt, crypto_dual_data_t *ct, crypto_call_req_t *cr);
234 extern int crypto_encrypt_mac_final(crypto_context_t ctx,
235     crypto_dual_data_t *ct, crypto_data_t *mac, crypto_call_req_t *cr);
236 
237 /*
238  * Single and multi-part MAC/decrypt dual operations.
239  */
240 extern int crypto_mac_decrypt(crypto_mechanism_t *mac_mech,
241     crypto_mechanism_t *decr_mech, crypto_dual_data_t *ct,
242     crypto_key_t *mac_key, crypto_key_t *decr_key,
243     crypto_ctx_template_t mac_tmpl, crypto_ctx_template_t decr_tmpl,
244     crypto_data_t *mac, crypto_data_t *pt, crypto_call_req_t *cr);
245 extern int crypto_mac_decrypt_prov(crypto_provider_t, crypto_session_id_t,
246     crypto_mechanism_t *mac_mech, crypto_mechanism_t *decr_mech,
247     crypto_dual_data_t *ct, crypto_key_t *mac_key, crypto_key_t *decr_key,
248     crypto_ctx_template_t mac_tmpl, crypto_ctx_template_t decr_tmpl,
249     crypto_data_t *mac, crypto_data_t *pt, crypto_call_req_t *cr);
250 extern int crypto_mac_verify_decrypt(crypto_mechanism_t *mac_mech,
251     crypto_mechanism_t *decr_mech, crypto_dual_data_t *ct,
252     crypto_key_t *mac_key, crypto_key_t *decr_key,
253     crypto_ctx_template_t mac_tmpl, crypto_ctx_template_t decr_tmpl,
254     crypto_data_t *mac, crypto_data_t *pt, crypto_call_req_t *cr);
255 extern int crypto_mac_verify_decrypt_prov(crypto_provider_t,
256     crypto_session_id_t, crypto_mechanism_t *mac_mech,
257     crypto_mechanism_t *decr_mech, crypto_dual_data_t *ct,
258     crypto_key_t *mac_key, crypto_key_t *decr_key,
259     crypto_ctx_template_t mac_tmpl, crypto_ctx_template_t decr_tmpl,
260     crypto_data_t *mac, crypto_data_t *pt, crypto_call_req_t *cr);
261 extern int crypto_mac_decrypt_init(crypto_mechanism_t *mac_mech,
262     crypto_mechanism_t *decr_mech, crypto_key_t *mac_key,
263     crypto_key_t *decr_key, crypto_ctx_template_t mac_tmpl,
264     crypto_ctx_template_t decr_tmpl, crypto_context_t *ctxp,
265     crypto_call_req_t *cr);
266 extern int crypto_mac_decrypt_init_prov(crypto_provider_t,
267     crypto_session_id_t, crypto_mechanism_t *mac_mech,
268     crypto_mechanism_t *decr_mech, crypto_key_t *mac_key,
269     crypto_key_t *decr_key, crypto_ctx_template_t mac_tmpl,
270     crypto_ctx_template_t decr_tmpl, crypto_context_t *ctxp,
271     crypto_call_req_t *cr);
272 extern int crypto_mac_decrypt_update(crypto_context_t ctx,
273     crypto_dual_data_t *ct, crypto_data_t *pt, crypto_call_req_t *cr);
274 extern int crypto_mac_decrypt_final(crypto_context_t ctx, crypto_data_t *mac,
275     crypto_data_t *pt, crypto_call_req_t *cr);
276 
277 /* Session Management */
278 extern int crypto_session_open(crypto_provider_t, crypto_session_id_t *,
279     crypto_call_req_t *);
280 extern int crypto_session_close(crypto_provider_t, crypto_session_id_t,
281     crypto_call_req_t *);
282 extern int crypto_session_login(crypto_provider_t, crypto_session_id_t,
283     crypto_user_type_t, char *, size_t, crypto_call_req_t *);
284 extern int crypto_session_logout(crypto_provider_t, crypto_session_id_t,
285     crypto_call_req_t *);
286 
287 /* Object Management */
288 extern int crypto_object_copy(crypto_provider_t, crypto_session_id_t,
289     crypto_object_id_t, crypto_object_attribute_t *, uint_t,
290     crypto_object_id_t *, crypto_call_req_t *);
291 extern int crypto_object_create(crypto_provider_t, crypto_session_id_t,
292     crypto_object_attribute_t *, uint_t, crypto_object_id_t *,
293     crypto_call_req_t *);
294 extern int crypto_object_destroy(crypto_provider_t, crypto_session_id_t,
295     crypto_object_id_t, crypto_call_req_t *);
296 extern int crypto_object_get_attribute_value(crypto_provider_t,
297     crypto_session_id_t, crypto_object_id_t, crypto_object_attribute_t *,
298     uint_t, crypto_call_req_t *);
299 extern int crypto_object_get_size(crypto_provider_t, crypto_session_id_t,
300     crypto_object_id_t, size_t *, crypto_call_req_t *);
301 extern int crypto_object_find_final(crypto_provider_t, void *,
302     crypto_call_req_t *);
303 extern int crypto_object_find_init(crypto_provider_t, crypto_session_id_t,
304     crypto_object_attribute_t *, uint_t, void **, crypto_call_req_t *);
305 extern int crypto_object_find(crypto_provider_t, void *, crypto_object_id_t *,
306     uint_t *, uint_t, crypto_call_req_t *);
307 extern int crypto_object_set_attribute_value(crypto_provider_t,
308     crypto_session_id_t, crypto_object_id_t, crypto_object_attribute_t *,
309     uint_t, crypto_call_req_t *);
310 
311 /* Key Management */
312 extern int crypto_key_derive(crypto_provider_t, crypto_session_id_t,
313     crypto_mechanism_t *, crypto_key_t *, crypto_object_attribute_t *,
314     uint_t, crypto_object_id_t *, crypto_call_req_t *);
315 extern int crypto_key_generate(crypto_provider_t, crypto_session_id_t,
316     crypto_mechanism_t *, crypto_object_attribute_t *, uint_t,
317     crypto_object_id_t *, crypto_call_req_t *);
318 extern int crypto_key_generate_pair(crypto_provider_t, crypto_session_id_t,
319     crypto_mechanism_t *, crypto_object_attribute_t *, uint_t,
320     crypto_object_attribute_t *, uint_t, crypto_object_id_t *,
321     crypto_object_id_t *, crypto_call_req_t *);
322 extern int crypto_key_unwrap(crypto_provider_t, crypto_session_id_t,
323     crypto_mechanism_t *, crypto_key_t *, uchar_t *, size_t *,
324     crypto_object_attribute_t *, uint_t, crypto_object_id_t *,
325     crypto_call_req_t *);
326 extern int crypto_key_wrap(crypto_provider_t, crypto_session_id_t,
327     crypto_mechanism_t *, crypto_key_t *, crypto_object_id_t *, uchar_t *,
328     size_t *, crypto_call_req_t *);
329 extern int crypto_key_check_prov(crypto_provider_t, crypto_mechanism_t *mech,
330     crypto_key_t *key);
331 extern int crypto_key_check(crypto_mechanism_t *mech, crypto_key_t *key);
332 
333 
334 /*
335  * Routines to cancel a single asynchronous request or all asynchronous
336  * requests associated with a particular context.
337  */
338 extern void crypto_cancel_req(crypto_req_id_t req);
339 extern void crypto_cancel_ctx(crypto_context_t ctx);
340 
341 /*
342  * crypto_get_mech_list(9F) allocates and returns the list of currently
343  * supported cryptographic mechanisms.
344  */
345 extern crypto_mech_name_t *crypto_get_mech_list(uint_t *count, int kmflag);
346 extern void crypto_free_mech_list(crypto_mech_name_t *mech_names,
347     uint_t count);
348 
349 extern crypto_provider_t crypto_get_provider(char *, char *, char *);
350 extern int crypto_get_provinfo(crypto_provider_t, crypto_provider_ext_info_t *);
351 extern void crypto_release_provider(crypto_provider_t);
352 
353 /*
354  * A kernel consumer can request to be notified when some particular event
355  * occurs. The valid events, callback function type, and functions to
356  * be called to register or unregister for notification are defined below.
357  */
358 
359 #define	CRYPTO_EVENT_MECHS_CHANGED		0x00000001
360 #define	CRYPTO_EVENT_PROVIDER_REGISTERED	0x00000002
361 #define	CRYPTO_EVENT_PROVIDER_UNREGISTERED	0x00000004
362 
363 typedef enum {
364 	CRYPTO_MECH_ADDED = 1,
365 	CRYPTO_MECH_REMOVED
366 } crypto_event_change_t;
367 
368 /* The event_arg argument structure for CRYPTO_EVENT_PROVIDERS_CHANGE event */
369 typedef struct crypto_notify_event_change {
370 	crypto_mech_name_t ec_mech_name;
371 	crypto_provider_type_t ec_provider_type;
372 	crypto_event_change_t ec_change;
373 } crypto_notify_event_change_t;
374 
375 typedef void *crypto_notify_handle_t;
376 typedef void (*crypto_notify_callback_t)(uint32_t event_mask, void *event_arg);
377 
378 extern crypto_notify_handle_t crypto_notify_events(
379     crypto_notify_callback_t nf, uint32_t event_mask);
380 extern void crypto_unnotify_events(crypto_notify_handle_t);
381 
382 /*
383  * crypto_bufcall(9F) group of routines.
384  */
385 extern crypto_bc_t crypto_bufcall_alloc(void);
386 extern int crypto_bufcall_free(crypto_bc_t bc);
387 extern int crypto_bufcall(crypto_bc_t bc, void (*func)(void *arg), void *arg);
388 extern int crypto_unbufcall(crypto_bc_t bc);
389 
390 #endif	/* _KERNEL */
391 
392 /*
393  * To obtain the list of key size ranges supported by a mechanism.
394  */
395 
396 #define	CRYPTO_MECH_USAGE_ENCRYPT	0x00000001
397 #define	CRYPTO_MECH_USAGE_DECRYPT	0x00000002
398 #define	CRYPTO_MECH_USAGE_MAC		0x00000004
399 
400 typedef	uint32_t crypto_mech_usage_t;
401 
402 typedef struct crypto_mechanism_info {
403 	size_t mi_min_key_size;
404 	size_t mi_max_key_size;
405 	crypto_keysize_unit_t mi_keysize_unit; /* for mi_xxx_key_size */
406 	crypto_mech_usage_t mi_usage;
407 } crypto_mechanism_info_t;
408 
409 #ifdef	_KERNEL
410 #ifdef	_SYSCALL32
411 
412 typedef struct crypto_mechanism_info32 {
413 	size32_t mi_min_key_size;
414 	size32_t mi_max_key_size;
415 	crypto_keysize_unit_t mi_keysize_unit; /* for mi_xxx_key_size */
416 	crypto_mech_usage_t mi_usage;
417 } crypto_mechanism_info32_t;
418 
419 #endif	/* _SYSCALL32 */
420 #endif	/* _KERNEL */
421 
422 extern int crypto_get_all_mech_info(crypto_mech_type_t,
423     crypto_mechanism_info_t **, uint_t *, int);
424 extern void crypto_free_all_mech_info(crypto_mechanism_info_t *, uint_t);
425 
426 #ifdef	__cplusplus
427 }
428 #endif
429 
430 #endif	/* _SYS_CRYPTO_API_H */
431