xref: /illumos-gate/usr/src/uts/common/sys/crypto/api.h (revision 68ac2337c38c8af06edcf32a72e42de36ec72a9d)
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 2006 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef	_SYS_CRYPTO_API_H
27 #define	_SYS_CRYPTO_API_H
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 #include <sys/types.h>
36 #include <sys/crypto/common.h>
37 
38 #ifdef	_KERNEL
39 
40 
41 typedef long crypto_req_id_t;
42 typedef void *crypto_bc_t;
43 typedef void *crypto_context_t;
44 typedef void *crypto_ctx_template_t;
45 
46 typedef uint32_t crypto_call_flag_t;
47 
48 /* crypto_call_flag's values */
49 #define	CRYPTO_ALWAYS_QUEUE	0x00000001	/* ALWAYS queue the req. */
50 #define	CRYPTO_NOTIFY_OPDONE	0x00000002	/* Notify intermediate steps */
51 #define	CRYPTO_SKIP_REQID	0x00000004	/* Skip request ID generation */
52 #define	CRYPTO_RESTRICTED	0x00000008	/* cannot use restricted prov */
53 
54 typedef struct {
55 	crypto_call_flag_t	cr_flag;
56 	void			(*cr_callback_func)(void *, int);
57 	void			*cr_callback_arg;
58 	crypto_req_id_t		cr_reqid;
59 } crypto_call_req_t;
60 
61 /*
62  * Returns the mechanism type corresponding to a mechanism name.
63  */
64 
65 #define	CRYPTO_MECH_INVALID	((uint64_t)-1)
66 extern crypto_mech_type_t crypto_mech2id(crypto_mech_name_t name);
67 
68 /*
69  * Create and destroy context templates.
70  */
71 extern int crypto_create_ctx_template(crypto_mechanism_t *mech,
72     crypto_key_t *key, crypto_ctx_template_t *tmpl, int kmflag);
73 extern void crypto_destroy_ctx_template(crypto_ctx_template_t tmpl);
74 
75 /*
76  * Single and multi-part digest operations.
77  */
78 extern int crypto_digest(crypto_mechanism_t *mech, crypto_data_t *data,
79     crypto_data_t *digest, crypto_call_req_t *cr);
80 extern int crypto_digest_prov(crypto_provider_t, crypto_session_id_t,
81     crypto_mechanism_t *, crypto_data_t *, crypto_data_t *,
82     crypto_call_req_t *);
83 extern int crypto_digest_init(crypto_mechanism_t *mech, crypto_context_t *ctxp,
84     crypto_call_req_t *cr);
85 extern int crypto_digest_init_prov(crypto_provider_t, crypto_session_id_t,
86     crypto_mechanism_t *, crypto_context_t *, crypto_call_req_t *);
87 extern int crypto_digest_update(crypto_context_t ctx, crypto_data_t *data,
88     crypto_call_req_t *cr);
89 extern int crypto_digest_final(crypto_context_t ctx, crypto_data_t *digest,
90     crypto_call_req_t *cr);
91 
92 /*
93  * Single and multi-part MAC operations.
94  */
95 extern int crypto_mac(crypto_mechanism_t *mech, crypto_data_t *data,
96     crypto_key_t *key, crypto_ctx_template_t tmpl, crypto_data_t *mac,
97     crypto_call_req_t *cr);
98 extern int crypto_mac_prov(crypto_provider_t, crypto_session_id_t,
99     crypto_mechanism_t *, crypto_data_t *, crypto_key_t *,
100     crypto_ctx_template_t, crypto_data_t *, crypto_call_req_t *);
101 extern int crypto_mac_verify(crypto_mechanism_t *mech, crypto_data_t *data,
102     crypto_key_t *key, crypto_ctx_template_t tmpl, crypto_data_t *mac,
103     crypto_call_req_t *cr);
104 extern int crypto_mac_verify_prov(crypto_provider_t, crypto_session_id_t,
105     crypto_mechanism_t *, crypto_data_t *, crypto_key_t *,
106     crypto_ctx_template_t, crypto_data_t *, crypto_call_req_t *);
107 extern int crypto_mac_init(crypto_mechanism_t *mech, crypto_key_t *key,
108     crypto_ctx_template_t tmpl, crypto_context_t *ctxp, crypto_call_req_t *cr);
109 extern int crypto_mac_init_prov(crypto_provider_t, crypto_session_id_t,
110     crypto_mechanism_t *, crypto_key_t *, crypto_ctx_template_t,
111     crypto_context_t *, crypto_call_req_t *);
112 extern int crypto_mac_update(crypto_context_t ctx, crypto_data_t *data,
113     crypto_call_req_t *cr);
114 extern int crypto_mac_final(crypto_context_t ctx, crypto_data_t *data,
115     crypto_call_req_t *cr);
116 
117 /*
118  * Single and multi-part sign with private key operations.
119  */
120 extern int crypto_sign(crypto_mechanism_t *mech, crypto_key_t *key,
121     crypto_data_t *data, crypto_ctx_template_t tmpl,
122     crypto_data_t *signature, crypto_call_req_t *cr);
123 extern int crypto_sign_prov(crypto_provider_t, crypto_session_id_t,
124     crypto_mechanism_t *, crypto_key_t *, crypto_data_t *,
125     crypto_ctx_template_t, crypto_data_t *, crypto_call_req_t *);
126 extern int crypto_sign_init(crypto_mechanism_t *mech, crypto_key_t *key,
127     crypto_ctx_template_t tmpl, crypto_context_t *ctxp, crypto_call_req_t *cr);
128 extern int crypto_sign_init_prov(crypto_provider_t, crypto_session_id_t,
129     crypto_mechanism_t *, crypto_key_t *, crypto_ctx_template_t,
130     crypto_context_t *, crypto_call_req_t *);
131 extern int crypto_sign_update(crypto_context_t ctx, crypto_data_t *data,
132     crypto_call_req_t *cr);
133 extern int crypto_sign_final(crypto_context_t ctx, crypto_data_t *signature,
134     crypto_call_req_t *cr);
135 extern int crypto_sign_recover_init_prov(crypto_provider_t,
136     crypto_session_id_t, crypto_mechanism_t *, crypto_key_t *,
137     crypto_ctx_template_t tmpl, crypto_context_t *, crypto_call_req_t *);
138 extern int crypto_sign_recover(crypto_mechanism_t *mech, crypto_key_t *key,
139     crypto_data_t *data, crypto_ctx_template_t tmpl, crypto_data_t *signature,
140     crypto_call_req_t *cr);
141 extern int crypto_sign_recover_prov(crypto_provider_t, crypto_session_id_t,
142     crypto_mechanism_t *, crypto_key_t *, crypto_data_t *,
143     crypto_ctx_template_t, crypto_data_t *, crypto_call_req_t *);
144 
145 /*
146  * Single and multi-part verify with public key operations.
147  */
148 extern int crypto_verify(crypto_mechanism_t *mech, crypto_key_t *key,
149     crypto_data_t *data, crypto_ctx_template_t tmpl, crypto_data_t *signature,
150     crypto_call_req_t *cr);
151 extern int crypto_verify_prov(crypto_provider_t, crypto_session_id_t,
152     crypto_mechanism_t *, crypto_key_t *, crypto_data_t *,
153     crypto_ctx_template_t, crypto_data_t *, crypto_call_req_t *);
154 extern int crypto_verify_init(crypto_mechanism_t *mech, crypto_key_t *key,
155     crypto_ctx_template_t tmpl, crypto_context_t *ctxp, crypto_call_req_t *cr);
156 extern int crypto_verify_init_prov(crypto_provider_t, crypto_session_id_t,
157     crypto_mechanism_t *, crypto_key_t *, crypto_ctx_template_t,
158     crypto_context_t *, crypto_call_req_t *);
159 extern int crypto_verify_update(crypto_context_t ctx, crypto_data_t *data,
160     crypto_call_req_t *cr);
161 extern int crypto_verify_final(crypto_context_t ctx, crypto_data_t *signature,
162     crypto_call_req_t *cr);
163 extern int crypto_verify_recover_init_prov(crypto_provider_t,
164     crypto_session_id_t, crypto_mechanism_t *, crypto_key_t *,
165     crypto_ctx_template_t tmpl, crypto_context_t *, crypto_call_req_t *);
166 extern int crypto_verify_recover(crypto_mechanism_t *mech, crypto_key_t *key,
167     crypto_data_t *signature, crypto_ctx_template_t tmpl, crypto_data_t *data,
168     crypto_call_req_t *cr);
169 extern int crypto_verify_recover_prov(crypto_provider_t, crypto_session_id_t,
170     crypto_mechanism_t *, crypto_key_t *, crypto_data_t *,
171     crypto_ctx_template_t, crypto_data_t *, crypto_call_req_t *);
172 
173 /*
174  * Single and multi-part encryption operations.
175  */
176 extern int crypto_encrypt(crypto_mechanism_t *mech, crypto_data_t *plaintext,
177     crypto_key_t *key, crypto_ctx_template_t tmpl, crypto_data_t *ciphertext,
178     crypto_call_req_t *cr);
179 extern int crypto_encrypt_prov(crypto_provider_t, crypto_session_id_t,
180     crypto_mechanism_t *, crypto_data_t *, crypto_key_t *,
181     crypto_ctx_template_t, crypto_data_t *, crypto_call_req_t *);
182 extern int crypto_encrypt_init(crypto_mechanism_t *mech, crypto_key_t *key,
183     crypto_ctx_template_t tmpl, crypto_context_t *ctxp, crypto_call_req_t *cr);
184 extern int crypto_encrypt_init_prov(crypto_provider_t, crypto_session_id_t,
185     crypto_mechanism_t *, crypto_key_t *, crypto_ctx_template_t,
186     crypto_context_t *, crypto_call_req_t *);
187 extern int crypto_encrypt_update(crypto_context_t ctx,
188     crypto_data_t *plaintext, crypto_data_t *ciphertext,
189     crypto_call_req_t *cr);
190 extern int crypto_encrypt_final(crypto_context_t ctx,
191     crypto_data_t *ciphertext, crypto_call_req_t *cr);
192 
193 /*
194  * Single and multi-part decryption operations.
195  */
196 extern int crypto_decrypt(crypto_mechanism_t *mech, crypto_data_t *ciphertext,
197     crypto_key_t *key, crypto_ctx_template_t tmpl, crypto_data_t *plaintext,
198     crypto_call_req_t *cr);
199 extern int crypto_decrypt_prov(crypto_provider_t, crypto_session_id_t,
200     crypto_mechanism_t *, crypto_data_t *, crypto_key_t *,
201     crypto_ctx_template_t, crypto_data_t *, crypto_call_req_t *);
202 extern int crypto_decrypt_init(crypto_mechanism_t *mech, crypto_key_t *key,
203     crypto_ctx_template_t tmpl, crypto_context_t *ctxp,
204     crypto_call_req_t *cr);
205 extern int crypto_decrypt_init_prov(crypto_provider_t, crypto_session_id_t,
206     crypto_mechanism_t *, crypto_key_t *, crypto_ctx_template_t,
207     crypto_context_t *, crypto_call_req_t *);
208 extern int crypto_decrypt_update(crypto_context_t ctx,
209     crypto_data_t *ciphertext, crypto_data_t *plaintext,
210     crypto_call_req_t *cr);
211 extern int crypto_decrypt_final(crypto_context_t ctx, crypto_data_t *plaintext,
212     crypto_call_req_t *cr);
213 
214 /*
215  * Single and multi-part encrypt/MAC dual operations.
216  */
217 extern int crypto_encrypt_mac(crypto_mechanism_t *encr_mech,
218     crypto_mechanism_t *mac_mech, crypto_data_t *pt,
219     crypto_key_t *encr_key, crypto_key_t *mac_key,
220     crypto_ctx_template_t encr_tmpl, crypto_ctx_template_t mac_tmpl,
221     crypto_dual_data_t *ct, crypto_data_t *mac, crypto_call_req_t *cr);
222 extern int crypto_encrypt_mac_prov(crypto_provider_t, crypto_session_id_t,
223     crypto_mechanism_t *, crypto_mechanism_t *, crypto_data_t *,
224     crypto_key_t *, crypto_key_t *, crypto_ctx_template_t,
225     crypto_ctx_template_t, crypto_dual_data_t *, crypto_data_t *,
226     crypto_call_req_t *);
227 extern int crypto_encrypt_mac_init(crypto_mechanism_t *encr_mech,
228     crypto_mechanism_t *mac_mech, crypto_key_t *encr_key,
229     crypto_key_t *mac_key, crypto_ctx_template_t encr_tmpl,
230     crypto_ctx_template_t mac_tmpl, crypto_context_t *ctxp,
231     crypto_call_req_t *cr);
232 extern int crypto_encrypt_mac_init_prov(crypto_provider_t, crypto_session_id_t,
233     crypto_mechanism_t *, crypto_mechanism_t *, crypto_key_t *, crypto_key_t *,
234     crypto_ctx_template_t, crypto_ctx_template_t, crypto_context_t *,
235     crypto_call_req_t *);
236 extern int crypto_encrypt_mac_update(crypto_context_t ctx,
237     crypto_data_t *pt, crypto_dual_data_t *ct, crypto_call_req_t *cr);
238 extern int crypto_encrypt_mac_final(crypto_context_t ctx,
239     crypto_dual_data_t *ct, crypto_data_t *mac, crypto_call_req_t *cr);
240 
241 /*
242  * Single and multi-part MAC/decrypt dual operations.
243  */
244 extern int crypto_mac_decrypt(crypto_mechanism_t *mac_mech,
245     crypto_mechanism_t *decr_mech, crypto_dual_data_t *ct,
246     crypto_key_t *mac_key, crypto_key_t *decr_key,
247     crypto_ctx_template_t mac_tmpl, crypto_ctx_template_t decr_tmpl,
248     crypto_data_t *mac, crypto_data_t *pt, crypto_call_req_t *cr);
249 extern int crypto_mac_decrypt_prov(crypto_provider_t, crypto_session_id_t,
250     crypto_mechanism_t *mac_mech, crypto_mechanism_t *decr_mech,
251     crypto_dual_data_t *ct, crypto_key_t *mac_key, crypto_key_t *decr_key,
252     crypto_ctx_template_t mac_tmpl, crypto_ctx_template_t decr_tmpl,
253     crypto_data_t *mac, crypto_data_t *pt, crypto_call_req_t *cr);
254 extern int crypto_mac_verify_decrypt(crypto_mechanism_t *mac_mech,
255     crypto_mechanism_t *decr_mech, crypto_dual_data_t *ct,
256     crypto_key_t *mac_key, crypto_key_t *decr_key,
257     crypto_ctx_template_t mac_tmpl, crypto_ctx_template_t decr_tmpl,
258     crypto_data_t *mac, crypto_data_t *pt, crypto_call_req_t *cr);
259 extern int crypto_mac_verify_decrypt_prov(crypto_provider_t,
260     crypto_session_id_t, crypto_mechanism_t *mac_mech,
261     crypto_mechanism_t *decr_mech, crypto_dual_data_t *ct,
262     crypto_key_t *mac_key, crypto_key_t *decr_key,
263     crypto_ctx_template_t mac_tmpl, crypto_ctx_template_t decr_tmpl,
264     crypto_data_t *mac, crypto_data_t *pt, crypto_call_req_t *cr);
265 extern int crypto_mac_decrypt_init(crypto_mechanism_t *mac_mech,
266     crypto_mechanism_t *decr_mech, crypto_key_t *mac_key,
267     crypto_key_t *decr_key, crypto_ctx_template_t mac_tmpl,
268     crypto_ctx_template_t decr_tmpl, crypto_context_t *ctxp,
269     crypto_call_req_t *cr);
270 extern int crypto_mac_decrypt_init_prov(crypto_provider_t,
271     crypto_session_id_t, crypto_mechanism_t *mac_mech,
272     crypto_mechanism_t *decr_mech, crypto_key_t *mac_key,
273     crypto_key_t *decr_key, crypto_ctx_template_t mac_tmpl,
274     crypto_ctx_template_t decr_tmpl, crypto_context_t *ctxp,
275     crypto_call_req_t *cr);
276 extern int crypto_mac_decrypt_update(crypto_context_t ctx,
277     crypto_dual_data_t *ct, crypto_data_t *pt, crypto_call_req_t *cr);
278 extern int crypto_mac_decrypt_final(crypto_context_t ctx, crypto_data_t *mac,
279     crypto_data_t *pt, crypto_call_req_t *cr);
280 
281 /* Session Management */
282 extern int crypto_session_open(crypto_provider_t, crypto_session_id_t *,
283     crypto_call_req_t *);
284 extern int crypto_session_close(crypto_provider_t, crypto_session_id_t,
285     crypto_call_req_t *);
286 extern int crypto_session_login(crypto_provider_t, crypto_session_id_t,
287     crypto_user_type_t, char *, size_t, crypto_call_req_t *);
288 extern int crypto_session_logout(crypto_provider_t, crypto_session_id_t,
289     crypto_call_req_t *);
290 
291 /* Object Management */
292 extern int crypto_object_copy(crypto_provider_t, crypto_session_id_t,
293     crypto_object_id_t, crypto_object_attribute_t *, uint_t,
294     crypto_object_id_t *, crypto_call_req_t *);
295 extern int crypto_object_create(crypto_provider_t, crypto_session_id_t,
296     crypto_object_attribute_t *, uint_t, crypto_object_id_t *,
297     crypto_call_req_t *);
298 extern int crypto_object_destroy(crypto_provider_t, crypto_session_id_t,
299     crypto_object_id_t, crypto_call_req_t *);
300 extern int crypto_object_get_attribute_value(crypto_provider_t,
301     crypto_session_id_t, crypto_object_id_t, crypto_object_attribute_t *,
302     uint_t, crypto_call_req_t *);
303 extern int crypto_object_get_size(crypto_provider_t, crypto_session_id_t,
304     crypto_object_id_t, size_t *, crypto_call_req_t *);
305 extern int crypto_object_find_final(crypto_provider_t, void *,
306     crypto_call_req_t *);
307 extern int crypto_object_find_init(crypto_provider_t, crypto_session_id_t,
308     crypto_object_attribute_t *, uint_t, void **, crypto_call_req_t *);
309 extern int crypto_object_find(crypto_provider_t, void *, crypto_object_id_t *,
310     uint_t *, uint_t, crypto_call_req_t *);
311 extern int crypto_object_set_attribute_value(crypto_provider_t,
312     crypto_session_id_t, crypto_object_id_t, crypto_object_attribute_t *,
313     uint_t, crypto_call_req_t *);
314 
315 /* Key Management */
316 extern int crypto_key_derive(crypto_provider_t, crypto_session_id_t,
317     crypto_mechanism_t *, crypto_key_t *, crypto_object_attribute_t *,
318     uint_t, crypto_object_id_t *, crypto_call_req_t *);
319 extern int crypto_key_generate(crypto_provider_t, crypto_session_id_t,
320     crypto_mechanism_t *, crypto_object_attribute_t *, uint_t,
321     crypto_object_id_t *, crypto_call_req_t *);
322 extern int crypto_key_generate_pair(crypto_provider_t, crypto_session_id_t,
323     crypto_mechanism_t *, crypto_object_attribute_t *, uint_t,
324     crypto_object_attribute_t *, uint_t, crypto_object_id_t *,
325     crypto_object_id_t *, crypto_call_req_t *);
326 extern int crypto_key_unwrap(crypto_provider_t, crypto_session_id_t,
327     crypto_mechanism_t *, crypto_key_t *, uchar_t *, size_t *,
328     crypto_object_attribute_t *, uint_t, crypto_object_id_t *,
329     crypto_call_req_t *);
330 extern int crypto_key_wrap(crypto_provider_t, crypto_session_id_t,
331     crypto_mechanism_t *, crypto_key_t *, crypto_object_id_t *, uchar_t *,
332     size_t *, crypto_call_req_t *);
333 extern int crypto_key_check_prov(crypto_provider_t, crypto_mechanism_t *mech,
334     crypto_key_t *key);
335 extern int crypto_key_check(crypto_mechanism_t *mech, crypto_key_t *key);
336 
337 
338 /*
339  * Routines to cancel a single asynchronous request or all asynchronous
340  * requests associated with a particular context.
341  */
342 extern void crypto_cancel_req(crypto_req_id_t req);
343 extern void crypto_cancel_ctx(crypto_context_t ctx);
344 
345 /*
346  * crypto_get_mech_list(9F) allocates and returns the list of currently
347  * supported cryptographic mechanisms.
348  */
349 extern crypto_mech_name_t *crypto_get_mech_list(uint_t *count, int kmflag);
350 extern void crypto_free_mech_list(crypto_mech_name_t *mech_names,
351     uint_t count);
352 
353 extern crypto_provider_t crypto_get_provider(char *, char *, char *);
354 extern int crypto_get_provinfo(crypto_provider_t, crypto_provider_ext_info_t *);
355 extern void crypto_release_provider(crypto_provider_t);
356 
357 /*
358  * A kernel consumer can request to be notified when some particular event
359  * occurs. The valid events, callback function type, and functions to
360  * be called to register or unregister for notification are defined below.
361  */
362 
363 #define	CRYPTO_EVENT_MECHS_CHANGED		0x00000001
364 #define	CRYPTO_EVENT_PROVIDER_REGISTERED	0x00000002
365 #define	CRYPTO_EVENT_PROVIDER_UNREGISTERED	0x00000004
366 
367 typedef enum {
368 	CRYPTO_MECH_ADDED = 1,
369 	CRYPTO_MECH_REMOVED
370 } crypto_event_change_t;
371 
372 /* The event_arg argument structure for CRYPTO_EVENT_PROVIDERS_CHANGE event */
373 typedef struct crypto_notify_event_change {
374 	crypto_mech_name_t ec_mech_name;
375 	crypto_provider_type_t ec_provider_type;
376 	crypto_event_change_t ec_change;
377 } crypto_notify_event_change_t;
378 
379 typedef void *crypto_notify_handle_t;
380 typedef void (*crypto_notify_callback_t)(uint32_t event_mask, void *event_arg);
381 
382 extern crypto_notify_handle_t crypto_notify_events(
383     crypto_notify_callback_t nf, uint32_t event_mask);
384 extern void crypto_unnotify_events(crypto_notify_handle_t);
385 
386 /*
387  * crypto_bufcall(9F) group of routines.
388  */
389 extern crypto_bc_t crypto_bufcall_alloc(void);
390 extern int crypto_bufcall_free(crypto_bc_t bc);
391 extern int crypto_bufcall(crypto_bc_t bc, void (*func)(void *arg), void *arg);
392 extern int crypto_unbufcall(crypto_bc_t bc);
393 
394 /*
395  * To obtain the list of key size ranges supported by a mechanism.
396  */
397 
398 #define	CRYPTO_MECH_USAGE_ENCRYPT	0x00000001
399 #define	CRYPTO_MECH_USAGE_DECRYPT	0x00000002
400 #define	CRYPTO_MECH_USAGE_MAC		0x00000004
401 
402 typedef	uint32_t crypto_mech_usage_t;
403 
404 typedef struct crypto_mechanism_info {
405 	size_t mi_min_key_size;
406 	size_t mi_max_key_size;
407 	crypto_keysize_unit_t mi_keysize_unit; /* for mi_xxx_key_size */
408 	crypto_mech_usage_t mi_usage;
409 } crypto_mechanism_info_t;
410 
411 extern int crypto_get_all_mech_info(crypto_mech_type_t,
412     crypto_mechanism_info_t **, uint_t *, int);
413 
414 #endif	/* _KERNEL */
415 
416 #ifdef	__cplusplus
417 }
418 #endif
419 
420 #endif	/* _SYS_CRYPTO_API_H */
421