xref: /titanic_41/usr/src/uts/common/sys/crypto/common.h (revision 1f041b1785d05ef9863b007d3807833c3609391d)
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 2007 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef _SYS_CRYPTO_COMMON_H
27 #define	_SYS_CRYPTO_COMMON_H
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 /*
32  * Header file for the common data structures of the cryptographic framework
33  */
34 
35 #ifdef __cplusplus
36 extern "C" {
37 #endif
38 
39 #include <sys/types.h>
40 #include <sys/uio.h>
41 #include <sys/stream.h>
42 #include <sys/mutex.h>
43 #include <sys/condvar.h>
44 
45 
46 /* Cryptographic Mechanisms */
47 
48 #define	CRYPTO_MAX_MECH_NAME 32
49 typedef char crypto_mech_name_t[CRYPTO_MAX_MECH_NAME];
50 
51 typedef uint64_t crypto_mech_type_t;
52 
53 typedef struct crypto_mechanism {
54 	crypto_mech_type_t	cm_type;	/* mechanism type */
55 	caddr_t			cm_param;	/* mech. parameter */
56 	size_t			cm_param_len;	/* mech. parameter len */
57 } crypto_mechanism_t;
58 
59 #ifdef  _SYSCALL32
60 
61 typedef struct crypto_mechanism32 {
62 	crypto_mech_type_t	cm_type;	/* mechanism type */
63 	caddr32_t		cm_param;	/* mech. parameter */
64 	size32_t		cm_param_len;   /* mech. parameter len */
65 } crypto_mechanism32_t;
66 
67 #endif  /* _SYSCALL32 */
68 
69 /* CK_AES_CTR_PARAMS provides parameters to the CKM_AES_CTR mechanism */
70 typedef struct CK_AES_CTR_PARAMS {
71 	ulong_t	ulCounterBits;
72 	uint8_t cb[16];
73 } CK_AES_CTR_PARAMS;
74 
75 /* CK_AES_CCM_PARAMS provides parameters to the CKM_AES_CCM mechanism */
76 typedef struct CK_AES_CCM_PARAMS {
77 	ulong_t ulMACSize;
78 	ulong_t ulNonceSize;
79 	ulong_t ulAuthDataSize;
80 	ulong_t ulDataSize; /* used for plaintext or ciphertext */
81 	uchar_t *nonce;
82 	uchar_t *authData;
83 } CK_AES_CCM_PARAMS;
84 
85 #ifdef _KERNEL
86 #ifdef  _SYSCALL32
87 
88 /* needed for 32-bit applications running on 64-bit kernels */
89 typedef struct CK_AES_CTR_PARAMS32 {
90 	uint32_t ulCounterBits;
91 	uint8_t cb[16];
92 } CK_AES_CTR_PARAMS32;
93 
94 /* needed for 32-bit applications running on 64-bit kernels */
95 typedef struct CK_AES_CCM_PARAMS32 {
96 	uint32_t ulMACSize;
97 	uint32_t ulNonceSize;
98 	uint32_t ulAuthDataSize;
99 	uint32_t ulDataSize;
100 	caddr32_t nonce;
101 	caddr32_t authData;
102 } CK_AES_CCM_PARAMS32;
103 
104 #endif  /* _SYSCALL32 */
105 #endif /* _KERNEL */
106 
107 /*
108  * The measurement unit bit flag for a mechanism's minimum or maximum key size.
109  * The unit are mechanism dependant.  It can be in bits or in bytes.
110  */
111 typedef uint32_t crypto_keysize_unit_t;
112 
113 /*
114  * The following bit flags are valid in cm_mech_flags field in
115  * the crypto_mech_info_t structure of the SPI.
116  *
117  * Only the first two bit flags are valid in mi_keysize_unit
118  * field in the crypto_mechanism_info_t structure of the API.
119  */
120 #define	CRYPTO_KEYSIZE_UNIT_IN_BITS	0x00000001
121 #define	CRYPTO_KEYSIZE_UNIT_IN_BYTES	0x00000002
122 #define	CRYPTO_CAN_SHARE_OPSTATE	0x00000004 /* supports sharing */
123 
124 
125 /* Mechanisms supported out-of-the-box */
126 #define	SUN_CKM_MD4			"CKM_MD4"
127 #define	SUN_CKM_MD5			"CKM_MD5"
128 #define	SUN_CKM_MD5_HMAC		"CKM_MD5_HMAC"
129 #define	SUN_CKM_MD5_HMAC_GENERAL	"CKM_MD5_HMAC_GENERAL"
130 #define	SUN_CKM_SHA1			"CKM_SHA_1"
131 #define	SUN_CKM_SHA1_HMAC		"CKM_SHA_1_HMAC"
132 #define	SUN_CKM_SHA1_HMAC_GENERAL	"CKM_SHA_1_HMAC_GENERAL"
133 #define	SUN_CKM_SHA256			"CKM_SHA256"
134 #define	SUN_CKM_SHA256_HMAC		"CKM_SHA256_HMAC"
135 #define	SUN_CKM_SHA256_HMAC_GENERAL	"CKM_SHA256_HMAC_GENERAL"
136 #define	SUN_CKM_SHA384			"CKM_SHA384"
137 #define	SUN_CKM_SHA384_HMAC		"CKM_SHA384_HMAC"
138 #define	SUN_CKM_SHA384_HMAC_GENERAL	"CKM_SHA384_HMAC_GENERAL"
139 #define	SUN_CKM_SHA512			"CKM_SHA512"
140 #define	SUN_CKM_SHA512_HMAC		"CKM_SHA512_HMAC"
141 #define	SUN_CKM_SHA512_HMAC_GENERAL	"CKM_SHA512_HMAC_GENERAL"
142 #define	SUN_CKM_DES_CBC			"CKM_DES_CBC"
143 #define	SUN_CKM_DES3_CBC		"CKM_DES3_CBC"
144 #define	SUN_CKM_DES_ECB			"CKM_DES_ECB"
145 #define	SUN_CKM_DES3_ECB		"CKM_DES3_ECB"
146 #define	SUN_CKM_BLOWFISH_CBC		"CKM_BLOWFISH_CBC"
147 #define	SUN_CKM_BLOWFISH_ECB		"CKM_BLOWFISH_ECB"
148 #define	SUN_CKM_AES_CBC			"CKM_AES_CBC"
149 #define	SUN_CKM_AES_ECB			"CKM_AES_ECB"
150 #define	SUN_CKM_AES_CTR			"CKM_AES_CTR"
151 #define	SUN_CKM_AES_CCM			"CKM_AES_CCM"
152 #define	SUN_CKM_RC4			"CKM_RC4"
153 #define	SUN_CKM_RSA_PKCS		"CKM_RSA_PKCS"
154 #define	SUN_CKM_RSA_X_509		"CKM_RSA_X_509"
155 #define	SUN_CKM_MD5_RSA_PKCS		"CKM_MD5_RSA_PKCS"
156 #define	SUN_CKM_SHA1_RSA_PKCS		"CKM_SHA1_RSA_PKCS"
157 #define	SUN_CKM_SHA256_RSA_PKCS		"CKM_SHA256_RSA_PKCS"
158 #define	SUN_CKM_SHA384_RSA_PKCS		"CKM_SHA384_RSA_PKCS"
159 #define	SUN_CKM_SHA512_RSA_PKCS		"CKM_SHA512_RSA_PKCS"
160 
161 /* Shared operation context format for CKM_RC4 */
162 typedef struct {
163 	uchar_t arr[256];
164 	uchar_t i, j;
165 	uint64_t pad;		/* For 64-bit alignment */
166 } arcfour_state_t;
167 
168 
169 /* Data arguments of cryptographic operations */
170 
171 typedef enum crypto_data_format {
172 	CRYPTO_DATA_RAW = 1,
173 	CRYPTO_DATA_UIO,
174 	CRYPTO_DATA_MBLK
175 } crypto_data_format_t;
176 
177 typedef struct crypto_data {
178 	crypto_data_format_t	cd_format;	/* Format identifier	*/
179 	off_t			cd_offset;	/* Offset from the beginning */
180 	size_t			cd_length;	/* # of bytes in use */
181 	caddr_t			cd_miscdata;	/* ancillary data */
182 	union {
183 		/* Raw format */
184 		iovec_t cdu_raw;		/* Pointer and length	    */
185 
186 		/* uio scatter-gather format */
187 		uio_t	*cdu_uio;
188 
189 		/* mblk scatter-gather format */
190 		mblk_t	*cdu_mp;		/* The mblk chain */
191 
192 	} cdu;	/* Crypto Data Union */
193 } crypto_data_t;
194 
195 #define	cd_raw		cdu.cdu_raw
196 #define	cd_uio		cdu.cdu_uio
197 #define	cd_mp		cdu.cdu_mp
198 
199 typedef struct crypto_dual_data {
200 	crypto_data_t		dd_data;	/* The data */
201 	off_t			dd_offset2;	/* Used by dual operation */
202 	size_t			dd_len2;	/* # of bytes to take	*/
203 } crypto_dual_data_t;
204 
205 #define	dd_format	dd_data.cd_format
206 #define	dd_offset1	dd_data.cd_offset
207 #define	dd_len1		dd_data.cd_length
208 #define	dd_miscdata	dd_data.cd_miscdata
209 #define	dd_raw		dd_data.cd_raw
210 #define	dd_uio		dd_data.cd_uio
211 #define	dd_mp		dd_data.cd_mp
212 
213 /* The keys, and their contents */
214 
215 typedef enum {
216 	CRYPTO_KEY_RAW = 1,	/* ck_data is a cleartext key */
217 	CRYPTO_KEY_REFERENCE,	/* ck_obj_id is an opaque reference */
218 	CRYPTO_KEY_ATTR_LIST	/* ck_attrs is a list of object attributes */
219 } crypto_key_format_t;
220 
221 typedef uint64_t crypto_attr_type_t;
222 
223 /* Attribute types to use for passing a RSA public key or a private key. */
224 #define	SUN_CKA_MODULUS			0x00000120
225 #define	SUN_CKA_MODULUS_BITS		0x00000121
226 #define	SUN_CKA_PUBLIC_EXPONENT		0x00000122
227 #define	SUN_CKA_PRIVATE_EXPONENT	0x00000123
228 #define	SUN_CKA_PRIME_1			0x00000124
229 #define	SUN_CKA_PRIME_2			0x00000125
230 #define	SUN_CKA_EXPONENT_1		0x00000126
231 #define	SUN_CKA_EXPONENT_2		0x00000127
232 #define	SUN_CKA_COEFFICIENT		0x00000128
233 #define	SUN_CKA_PRIME			0x00000130
234 #define	SUN_CKA_SUBPRIME		0x00000131
235 #define	SUN_CKA_BASE			0x00000132
236 
237 typedef uint32_t	crypto_object_id_t;
238 
239 typedef struct crypto_object_attribute {
240 	crypto_attr_type_t	oa_type;	/* attribute type */
241 	caddr_t			oa_value;	/* attribute value */
242 	ssize_t			oa_value_len;	/* length of attribute value */
243 } crypto_object_attribute_t;
244 
245 typedef struct crypto_key {
246 	crypto_key_format_t	ck_format;	/* format identifier */
247 	union {
248 		/* for CRYPTO_KEY_RAW ck_format */
249 		struct {
250 			uint_t	cku_v_length;	/* # of bits in ck_data   */
251 			void	*cku_v_data;	/* ptr to key value */
252 		} cku_key_value;
253 
254 		/* for CRYPTO_KEY_REFERENCE ck_format */
255 		crypto_object_id_t cku_key_id;	/* reference to object key */
256 
257 		/* for CRYPTO_KEY_ATTR_LIST ck_format */
258 		struct {
259 			uint_t cku_a_count;	/* number of attributes */
260 			crypto_object_attribute_t *cku_a_oattr;
261 		} cku_key_attrs;
262 	} cku_data;				/* Crypto Key union */
263 } crypto_key_t;
264 
265 #ifdef  _SYSCALL32
266 
267 typedef struct crypto_object_attribute32 {
268 	uint64_t	oa_type;	/* attribute type */
269 	caddr32_t	oa_value;	/* attribute value */
270 	ssize32_t	oa_value_len;	/* length of attribute value */
271 } crypto_object_attribute32_t;
272 
273 typedef struct crypto_key32 {
274 	crypto_key_format_t	ck_format;	/* format identifier */
275 	union {
276 		/* for CRYPTO_KEY_RAW ck_format */
277 		struct {
278 			uint32_t cku_v_length;	/* # of bytes in ck_data */
279 			caddr32_t cku_v_data;	/* ptr to key value */
280 		} cku_key_value;
281 
282 		/* for CRYPTO_KEY_REFERENCE ck_format */
283 		crypto_object_id_t cku_key_id; /* reference to object key */
284 
285 		/* for CRYPTO_KEY_ATTR_LIST ck_format */
286 		struct {
287 			uint32_t cku_a_count;	/* number of attributes */
288 			caddr32_t cku_a_oattr;
289 		} cku_key_attrs;
290 	} cku_data;				/* Crypto Key union */
291 } crypto_key32_t;
292 
293 #endif  /* _SYSCALL32 */
294 
295 #define	ck_data		cku_data.cku_key_value.cku_v_data
296 #define	ck_length	cku_data.cku_key_value.cku_v_length
297 #define	ck_obj_id	cku_data.cku_key_id
298 #define	ck_count	cku_data.cku_key_attrs.cku_a_count
299 #define	ck_attrs	cku_data.cku_key_attrs.cku_a_oattr
300 
301 /*
302  * Raw key lengths are expressed in number of bits.
303  * The following macro returns the minimum number of
304  * bytes that can contain the specified number of bits.
305  */
306 #define	CRYPTO_BITS2BYTES(n) (((n) + 7) >> 3)
307 
308 /* Providers */
309 
310 typedef enum {
311 	CRYPTO_HW_PROVIDER = 0,
312 	CRYPTO_SW_PROVIDER,
313 	CRYPTO_LOGICAL_PROVIDER
314 } crypto_provider_type_t;
315 
316 typedef uint32_t 	crypto_provider_id_t;
317 #define	KCF_PROVID_INVALID	((uint32_t)-1)
318 
319 typedef struct crypto_provider_entry {
320 	crypto_provider_id_t	pe_provider_id;
321 	uint_t			pe_mechanism_count;
322 } crypto_provider_entry_t;
323 
324 typedef struct crypto_dev_list_entry {
325 	char			le_dev_name[MAXNAMELEN];
326 	uint_t			le_dev_instance;
327 	uint_t			le_mechanism_count;
328 } crypto_dev_list_entry_t;
329 
330 /* User type for authentication ioctls and SPI entry points */
331 
332 typedef enum crypto_user_type {
333 	CRYPTO_SO = 0,
334 	CRYPTO_USER
335 } crypto_user_type_t;
336 
337 /* Version for provider management ioctls and SPI entry points */
338 
339 typedef struct crypto_version {
340 	uchar_t	cv_major;
341 	uchar_t	cv_minor;
342 } crypto_version_t;
343 
344 /* session data structure opaque to the consumer */
345 typedef void *crypto_session_t;
346 
347 /* provider data structure opaque to the consumer */
348 typedef void *crypto_provider_t;
349 
350 /* Limits used by both consumers and providers */
351 #define	CRYPTO_EXT_SIZE_LABEL		32
352 #define	CRYPTO_EXT_SIZE_MANUF		32
353 #define	CRYPTO_EXT_SIZE_MODEL		16
354 #define	CRYPTO_EXT_SIZE_SERIAL		16
355 #define	CRYPTO_EXT_SIZE_TIME		16
356 
357 typedef struct crypto_provider_ext_info {
358 	uchar_t			ei_label[CRYPTO_EXT_SIZE_LABEL];
359 	uchar_t			ei_manufacturerID[CRYPTO_EXT_SIZE_MANUF];
360 	uchar_t			ei_model[CRYPTO_EXT_SIZE_MODEL];
361 	uchar_t			ei_serial_number[CRYPTO_EXT_SIZE_SERIAL];
362 	ulong_t			ei_flags;
363 	ulong_t			ei_max_session_count;
364 	ulong_t			ei_max_pin_len;
365 	ulong_t			ei_min_pin_len;
366 	ulong_t			ei_total_public_memory;
367 	ulong_t			ei_free_public_memory;
368 	ulong_t			ei_total_private_memory;
369 	ulong_t			ei_free_private_memory;
370 	crypto_version_t	ei_hardware_version;
371 	crypto_version_t	ei_firmware_version;
372 	uchar_t			ei_time[CRYPTO_EXT_SIZE_TIME];
373 } crypto_provider_ext_info_t;
374 
375 typedef uint_t		crypto_session_id_t;
376 
377 /*
378  * Common cryptographic status and error codes.
379  */
380 #define	CRYPTO_SUCCESS				0x00000000
381 #define	CRYPTO_CANCEL				0x00000001
382 #define	CRYPTO_HOST_MEMORY			0x00000002
383 #define	CRYPTO_GENERAL_ERROR			0x00000003
384 #define	CRYPTO_FAILED				0x00000004
385 #define	CRYPTO_ARGUMENTS_BAD			0x00000005
386 #define	CRYPTO_ATTRIBUTE_READ_ONLY		0x00000006
387 #define	CRYPTO_ATTRIBUTE_SENSITIVE		0x00000007
388 #define	CRYPTO_ATTRIBUTE_TYPE_INVALID		0x00000008
389 #define	CRYPTO_ATTRIBUTE_VALUE_INVALID		0x00000009
390 #define	CRYPTO_CANCELED				0x0000000A
391 #define	CRYPTO_DATA_INVALID			0x0000000B
392 #define	CRYPTO_DATA_LEN_RANGE			0x0000000C
393 #define	CRYPTO_DEVICE_ERROR			0x0000000D
394 #define	CRYPTO_DEVICE_MEMORY			0x0000000E
395 #define	CRYPTO_DEVICE_REMOVED			0x0000000F
396 #define	CRYPTO_ENCRYPTED_DATA_INVALID		0x00000010
397 #define	CRYPTO_ENCRYPTED_DATA_LEN_RANGE		0x00000011
398 #define	CRYPTO_KEY_HANDLE_INVALID		0x00000012
399 #define	CRYPTO_KEY_SIZE_RANGE			0x00000013
400 #define	CRYPTO_KEY_TYPE_INCONSISTENT		0x00000014
401 #define	CRYPTO_KEY_NOT_NEEDED			0x00000015
402 #define	CRYPTO_KEY_CHANGED			0x00000016
403 #define	CRYPTO_KEY_NEEDED			0x00000017
404 #define	CRYPTO_KEY_INDIGESTIBLE			0x00000018
405 #define	CRYPTO_KEY_FUNCTION_NOT_PERMITTED	0x00000019
406 #define	CRYPTO_KEY_NOT_WRAPPABLE		0x0000001A
407 #define	CRYPTO_KEY_UNEXTRACTABLE		0x0000001B
408 #define	CRYPTO_MECHANISM_INVALID		0x0000001C
409 #define	CRYPTO_MECHANISM_PARAM_INVALID		0x0000001D
410 #define	CRYPTO_OBJECT_HANDLE_INVALID		0x0000001E
411 #define	CRYPTO_OPERATION_IS_ACTIVE		0x0000001F
412 #define	CRYPTO_OPERATION_NOT_INITIALIZED	0x00000020
413 #define	CRYPTO_PIN_INCORRECT			0x00000021
414 #define	CRYPTO_PIN_INVALID			0x00000022
415 #define	CRYPTO_PIN_LEN_RANGE			0x00000023
416 #define	CRYPTO_PIN_EXPIRED			0x00000024
417 #define	CRYPTO_PIN_LOCKED			0x00000025
418 #define	CRYPTO_SESSION_CLOSED			0x00000026
419 #define	CRYPTO_SESSION_COUNT			0x00000027
420 #define	CRYPTO_SESSION_HANDLE_INVALID		0x00000028
421 #define	CRYPTO_SESSION_READ_ONLY		0x00000029
422 #define	CRYPTO_SESSION_EXISTS			0x0000002A
423 #define	CRYPTO_SESSION_READ_ONLY_EXISTS		0x0000002B
424 #define	CRYPTO_SESSION_READ_WRITE_SO_EXISTS	0x0000002C
425 #define	CRYPTO_SIGNATURE_INVALID		0x0000002D
426 #define	CRYPTO_SIGNATURE_LEN_RANGE		0x0000002E
427 #define	CRYPTO_TEMPLATE_INCOMPLETE		0x0000002F
428 #define	CRYPTO_TEMPLATE_INCONSISTENT		0x00000030
429 #define	CRYPTO_UNWRAPPING_KEY_HANDLE_INVALID	0x00000031
430 #define	CRYPTO_UNWRAPPING_KEY_SIZE_RANGE	0x00000032
431 #define	CRYPTO_UNWRAPPING_KEY_TYPE_INCONSISTENT	0x00000033
432 #define	CRYPTO_USER_ALREADY_LOGGED_IN		0x00000034
433 #define	CRYPTO_USER_NOT_LOGGED_IN		0x00000035
434 #define	CRYPTO_USER_PIN_NOT_INITIALIZED		0x00000036
435 #define	CRYPTO_USER_TYPE_INVALID		0x00000037
436 #define	CRYPTO_USER_ANOTHER_ALREADY_LOGGED_IN	0x00000038
437 #define	CRYPTO_USER_TOO_MANY_TYPES		0x00000039
438 #define	CRYPTO_WRAPPED_KEY_INVALID		0x0000003A
439 #define	CRYPTO_WRAPPED_KEY_LEN_RANGE		0x0000003B
440 #define	CRYPTO_WRAPPING_KEY_HANDLE_INVALID	0x0000003C
441 #define	CRYPTO_WRAPPING_KEY_SIZE_RANGE		0x0000003D
442 #define	CRYPTO_WRAPPING_KEY_TYPE_INCONSISTENT	0x0000003E
443 #define	CRYPTO_RANDOM_SEED_NOT_SUPPORTED	0x0000003F
444 #define	CRYPTO_RANDOM_NO_RNG			0x00000040
445 #define	CRYPTO_DOMAIN_PARAMS_INVALID		0x00000041
446 #define	CRYPTO_BUFFER_TOO_SMALL			0x00000042
447 #define	CRYPTO_INFORMATION_SENSITIVE		0x00000043
448 #define	CRYPTO_NOT_SUPPORTED			0x00000044
449 
450 #define	CRYPTO_QUEUED				0x00000045
451 #define	CRYPTO_BUFFER_TOO_BIG			0x00000046
452 #define	CRYPTO_INVALID_CONTEXT			0x00000047
453 #define	CRYPTO_INVALID_MAC			0x00000048
454 #define	CRYPTO_MECH_NOT_SUPPORTED		0x00000049
455 #define	CRYPTO_INCONSISTENT_ATTRIBUTE		0x0000004A
456 #define	CRYPTO_NO_PERMISSION			0x0000004B
457 #define	CRYPTO_INVALID_PROVIDER_ID		0x0000004C
458 #define	CRYPTO_VERSION_MISMATCH			0x0000004D
459 #define	CRYPTO_BUSY				0x0000004E
460 #define	CRYPTO_UNKNOWN_PROVIDER			0x0000004F
461 #define	CRYPTO_MODVERIFICATION_FAILED		0x00000050
462 #define	CRYPTO_OLD_CTX_TEMPLATE			0x00000051
463 #define	CRYPTO_WEAK_KEY				0x00000052
464 
465 /*
466  * Special values that can be used to indicate that information is unavailable
467  * or that there is not practical limit. These values can be used
468  * by fields of the SPI crypto_provider_ext_info(9S) structure.
469  * The value of CRYPTO_UNAVAILABLE_INFO should be the same as
470  * CK_UNAVAILABLE_INFO in the PKCS#11 spec.
471  */
472 #define	CRYPTO_UNAVAILABLE_INFO		((ulong_t)(-1))
473 #define	CRYPTO_EFFECTIVELY_INFINITE	0x0
474 
475 #ifdef __cplusplus
476 }
477 #endif
478 
479 #endif /* _SYS_CRYPTO_COMMON_H */
480