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[thirdparty/openssl.git] / include / openssl / crypto.h
1 /* crypto/crypto.h */
2 /* ====================================================================
3 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 *
17 * 3. All advertising materials mentioning features or use of this
18 * software must display the following acknowledgment:
19 * "This product includes software developed by the OpenSSL Project
20 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
21 *
22 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23 * endorse or promote products derived from this software without
24 * prior written permission. For written permission, please contact
25 * openssl-core@openssl.org.
26 *
27 * 5. Products derived from this software may not be called "OpenSSL"
28 * nor may "OpenSSL" appear in their names without prior written
29 * permission of the OpenSSL Project.
30 *
31 * 6. Redistributions of any form whatsoever must retain the following
32 * acknowledgment:
33 * "This product includes software developed by the OpenSSL Project
34 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
35 *
36 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47 * OF THE POSSIBILITY OF SUCH DAMAGE.
48 * ====================================================================
49 *
50 * This product includes cryptographic software written by Eric Young
51 * (eay@cryptsoft.com). This product includes software written by Tim
52 * Hudson (tjh@cryptsoft.com).
53 *
54 */
55 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
56 * All rights reserved.
57 *
58 * This package is an SSL implementation written
59 * by Eric Young (eay@cryptsoft.com).
60 * The implementation was written so as to conform with Netscapes SSL.
61 *
62 * This library is free for commercial and non-commercial use as long as
63 * the following conditions are aheared to. The following conditions
64 * apply to all code found in this distribution, be it the RC4, RSA,
65 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
66 * included with this distribution is covered by the same copyright terms
67 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
68 *
69 * Copyright remains Eric Young's, and as such any Copyright notices in
70 * the code are not to be removed.
71 * If this package is used in a product, Eric Young should be given attribution
72 * as the author of the parts of the library used.
73 * This can be in the form of a textual message at program startup or
74 * in documentation (online or textual) provided with the package.
75 *
76 * Redistribution and use in source and binary forms, with or without
77 * modification, are permitted provided that the following conditions
78 * are met:
79 * 1. Redistributions of source code must retain the copyright
80 * notice, this list of conditions and the following disclaimer.
81 * 2. Redistributions in binary form must reproduce the above copyright
82 * notice, this list of conditions and the following disclaimer in the
83 * documentation and/or other materials provided with the distribution.
84 * 3. All advertising materials mentioning features or use of this software
85 * must display the following acknowledgement:
86 * "This product includes cryptographic software written by
87 * Eric Young (eay@cryptsoft.com)"
88 * The word 'cryptographic' can be left out if the rouines from the library
89 * being used are not cryptographic related :-).
90 * 4. If you include any Windows specific code (or a derivative thereof) from
91 * the apps directory (application code) you must include an acknowledgement:
92 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
93 *
94 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
95 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
96 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
97 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
98 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
99 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
100 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
101 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
102 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
103 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
104 * SUCH DAMAGE.
105 *
106 * The licence and distribution terms for any publically available version or
107 * derivative of this code cannot be changed. i.e. this code cannot simply be
108 * copied and put under another distribution licence
109 * [including the GNU Public Licence.]
110 */
111 /* ====================================================================
112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113 * ECDH support in OpenSSL originally developed by
114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
115 */
116
117 #ifndef HEADER_CRYPTO_H
118 # define HEADER_CRYPTO_H
119
120 # include <stdlib.h>
121 # include <time.h>
122
123 # include <openssl/e_os2.h>
124
125 # ifndef OPENSSL_NO_STDIO
126 # include <stdio.h>
127 # endif
128
129 # include <openssl/stack.h>
130 # include <openssl/safestack.h>
131 # include <openssl/opensslv.h>
132 # include <openssl/ossl_typ.h>
133 # include <openssl/opensslconf.h>
134
135 # ifdef CHARSET_EBCDIC
136 # include <openssl/ebcdic.h>
137 # endif
138
139 /*
140 * Resolve problems on some operating systems with symbol names that clash
141 * one way or another
142 */
143 # include <openssl/symhacks.h>
144
145 # if OPENSSL_API_COMPAT < 0x10100000L
146 # include <openssl/opensslv.h>
147 # endif
148
149 #ifdef __cplusplus
150 extern "C" {
151 #endif
152
153 # if OPENSSL_API_COMPAT < 0x10100000L
154 # define SSLeay OpenSSL_version_num
155 # define SSLeay_version OpenSSL_version
156 # define SSLEAY_VERSION_NUMBER OPENSSL_VERSION_NUMBER
157 # define SSLEAY_VERSION OPENSSL_VERSION
158 # define SSLEAY_CFLAGS OPENSSL_CFLAGS
159 # define SSLEAY_BUILT_ON OPENSSL_BUILT_ON
160 # define SSLEAY_PLATFORM OPENSSL_PLATFORM
161 # define SSLEAY_DIR OPENSSL_DIR
162 # endif /* OPENSSL_API_COMPAT */
163
164 /*
165 * When changing the CRYPTO_LOCK_* list, be sure to maintin the text lock
166 * names in cryptlib.c
167 */
168
169 # define CRYPTO_LOCK_ERR 1
170 # define CRYPTO_LOCK_EX_DATA 2
171 # define CRYPTO_LOCK_X509 3
172 # define CRYPTO_LOCK_X509_INFO 4
173 # define CRYPTO_LOCK_X509_PKEY 5
174 # define CRYPTO_LOCK_X509_CRL 6
175 # define CRYPTO_LOCK_X509_REQ 7
176 # define CRYPTO_LOCK_DSA 8
177 # define CRYPTO_LOCK_RSA 9
178 # define CRYPTO_LOCK_EVP_PKEY 10
179 # define CRYPTO_LOCK_X509_STORE 11
180 # define CRYPTO_LOCK_SSL_CTX 12
181 # define CRYPTO_LOCK_SSL_CERT 13
182 # define CRYPTO_LOCK_SSL_SESSION 14
183 # define CRYPTO_LOCK_SSL_SESS_CERT 15
184 # define CRYPTO_LOCK_SSL 16
185 # define CRYPTO_LOCK_SSL_METHOD 17
186 # define CRYPTO_LOCK_RAND 18
187 # define CRYPTO_LOCK_RAND2 19
188 # define CRYPTO_LOCK_MALLOC 20
189 # define CRYPTO_LOCK_BIO 21
190 # define CRYPTO_LOCK_GETHOSTBYNAME 22
191 # define CRYPTO_LOCK_GETSERVBYNAME 23
192 # define CRYPTO_LOCK_READDIR 24
193 # define CRYPTO_LOCK_RSA_BLINDING 25
194 # define CRYPTO_LOCK_DH 26
195 # define CRYPTO_LOCK_MALLOC2 27
196 # define CRYPTO_LOCK_DSO 28
197 # define CRYPTO_LOCK_DYNLOCK 29
198 # define CRYPTO_LOCK_ENGINE 30
199 # define CRYPTO_LOCK_UI 31
200 # define CRYPTO_LOCK_ECDSA 32
201 # define CRYPTO_LOCK_EC 33
202 # define CRYPTO_LOCK_ECDH 34
203 # define CRYPTO_LOCK_BN 35
204 # define CRYPTO_LOCK_EC_PRE_COMP 36
205 # define CRYPTO_LOCK_STORE 37
206 # define CRYPTO_LOCK_COMP 38
207 # define CRYPTO_LOCK_FIPS 39
208 # define CRYPTO_LOCK_FIPS2 40
209 # define CRYPTO_NUM_LOCKS 41
210
211 # define CRYPTO_LOCK 1
212 # define CRYPTO_UNLOCK 2
213 # define CRYPTO_READ 4
214 # define CRYPTO_WRITE 8
215
216 # ifndef OPENSSL_NO_LOCKING
217 # ifndef CRYPTO_w_lock
218 # define CRYPTO_w_lock(type) \
219 CRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE,type,__FILE__,__LINE__)
220 # define CRYPTO_w_unlock(type) \
221 CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE,type,__FILE__,__LINE__)
222 # define CRYPTO_r_lock(type) \
223 CRYPTO_lock(CRYPTO_LOCK|CRYPTO_READ,type,__FILE__,__LINE__)
224 # define CRYPTO_r_unlock(type) \
225 CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_READ,type,__FILE__,__LINE__)
226 # define CRYPTO_add(addr,amount,type) \
227 CRYPTO_add_lock(addr,amount,type,__FILE__,__LINE__)
228 # endif
229 # else
230 # define CRYPTO_w_lock(a)
231 # define CRYPTO_w_unlock(a)
232 # define CRYPTO_r_lock(a)
233 # define CRYPTO_r_unlock(a)
234 # define CRYPTO_add(a,b,c) ((*(a))+=(b))
235 # endif
236
237 /*
238 * Some applications as well as some parts of OpenSSL need to allocate and
239 * deallocate locks in a dynamic fashion. The following typedef makes this
240 * possible in a type-safe manner.
241 * struct CRYPTO_dynlock_value has to be defined by the application.
242 */
243 typedef struct {
244 int references;
245 struct CRYPTO_dynlock_value *data;
246 } CRYPTO_dynlock;
247
248 /*
249 * The following can be used to detect memory leaks in the library. If
250 * used, it turns on malloc checking
251 */
252 # define CRYPTO_MEM_CHECK_OFF 0x0 /* Control only */
253 # define CRYPTO_MEM_CHECK_ON 0x1 /* Control and mode bit */
254 # define CRYPTO_MEM_CHECK_ENABLE 0x2 /* Control and mode bit */
255 # define CRYPTO_MEM_CHECK_DISABLE 0x3 /* Control only */
256
257 /* predec of the BIO type */
258 typedef struct bio_st BIO_dummy;
259
260 struct crypto_ex_data_st {
261 STACK_OF(void) *sk;
262 };
263 DEFINE_STACK_OF(void)
264
265 /*
266 * Per class, we have a STACK of function pointers.
267 */
268 # define CRYPTO_EX_INDEX_SSL 0
269 # define CRYPTO_EX_INDEX_SSL_CTX 1
270 # define CRYPTO_EX_INDEX_SSL_SESSION 2
271 # define CRYPTO_EX_INDEX_X509 3
272 # define CRYPTO_EX_INDEX_X509_STORE 4
273 # define CRYPTO_EX_INDEX_X509_STORE_CTX 5
274 # define CRYPTO_EX_INDEX_DH 6
275 # define CRYPTO_EX_INDEX_DSA 7
276 # define CRYPTO_EX_INDEX_ECDH 8
277 # define CRYPTO_EX_INDEX_ECDSA 9
278 # define CRYPTO_EX_INDEX_RSA 10
279 # define CRYPTO_EX_INDEX_ENGINE 11
280 # define CRYPTO_EX_INDEX_UI 12
281 # define CRYPTO_EX_INDEX_BIO 13
282 # define CRYPTO_EX_INDEX_STORE 14
283 # define CRYPTO_EX_INDEX_APP 15
284 # define CRYPTO_EX_INDEX__COUNT 16
285
286 /*
287 * This is the default callbacks, but we can have others as well: this is
288 * needed in Win32 where the application malloc and the library malloc may
289 * not be the same.
290 */
291 #define OPENSSL_malloc_init() \
292 CRYPTO_set_mem_functions(CRYPTO_malloc, CRYPTO_realloc, CRYPTO_free)
293
294 int CRYPTO_mem_ctrl(int mode);
295
296 # ifndef OPENSSL_NO_CRYPTO_MDEBUG
297 # define OPENSSL_malloc(num) \
298 CRYPTO_malloc(num, __FILE__, __LINE__)
299 # define OPENSSL_zalloc(num) \
300 CRYPTO_zalloc(num, __FILE__, __LINE__)
301 # define OPENSSL_realloc(addr, num) \
302 CRYPTO_realloc(addr, num, __FILE__, __LINE__)
303 # define OPENSSL_clear_realloc(addr, old_num, num) \
304 CRYPTO_clear_realloc(addr, old_num, num, __FILE__, __LINE__)
305 # define OPENSSL_clear_free(addr, num) \
306 CRYPTO_clear_free(addr, num)
307 # define OPENSSL_free(addr) \
308 CRYPTO_free(addr)
309 # define OPENSSL_memdup(str, s) \
310 CRYPTO_memdup((str), s, __FILE__, __LINE__)
311 # define OPENSSL_strdup(str) \
312 CRYPTO_strdup(str, __FILE__, __LINE__)
313 # define OPENSSL_strndup(str, n) \
314 CRYPTO_strndup(str, n, __FILE__, __LINE__)
315 # define OPENSSL_secure_malloc(num) \
316 CRYPTO_secure_malloc(num, __FILE__, __LINE__)
317 # define OPENSSL_secure_free(addr) \
318 CRYPTO_secure_free(addr)
319 # define OPENSSL_secure_actual_size(ptr) \
320 CRYPTO_secure_actual_size(ptr)
321 # else
322 # define OPENSSL_malloc(num) \
323 CRYPTO_malloc(num, NULL, 0)
324 # define OPENSSL_zalloc(num) \
325 CRYPTO_zalloc(num, NULL, 0)
326 # define OPENSSL_realloc(addr, num) \
327 CRYPTO_realloc(addr, num, NULL, 0)
328 # define OPENSSL_clear_realloc(addr, old_num, num) \
329 CRYPTO_clear_realloc(addr, old_num, num, NULL, 0)
330 # define OPENSSL_clear_free(addr, num) \
331 CRYPTO_clear_free(addr, num)
332 # define OPENSSL_free(addr) \
333 CRYPTO_free(addr)
334 # define OPENSSL_memdup(str, s) \
335 CRYPTO_memdup(str, s, NULL, 0)
336 # define OPENSSL_strdup(str) \
337 CRYPTO_strdup(str, NULL, 0)
338 # define OPENSSL_strndup(str, s) \
339 CRYPTO_strndup(str, s, NULL, 0)
340 # define OPENSSL_secure_malloc(num) \
341 CRYPTO_secure_malloc(num, NULL, 0)
342 # define OPENSSL_secure_free(addr) \
343 CRYPTO_secure_free(addr)
344 # define OPENSSL_secure_actual_size(ptr) \
345 CRYPTO_secure_actual_size(ptr)
346
347 # endif
348
349 size_t OPENSSL_strlcpy(char *dst, const char *src, size_t siz);
350 size_t OPENSSL_strlcat(char *dst, const char *src, size_t siz);
351 size_t OPENSSL_strnlen(const char *str, size_t maxlen);
352
353 # define OPENSSL_MALLOC_MAX_NELEMS(type) (((1U<<(sizeof(int)*8-1))-1)/sizeof(type))
354
355 unsigned long OpenSSL_version_num(void);
356 const char *OpenSSL_version(int type);
357 # define OPENSSL_VERSION 0
358 # define OPENSSL_CFLAGS 1
359 # define OPENSSL_BUILT_ON 2
360 # define OPENSSL_PLATFORM 3
361 # define OPENSSL_DIR 4
362
363 int OPENSSL_issetugid(void);
364
365 typedef void CRYPTO_EX_new (void *parent, void *ptr, CRYPTO_EX_DATA *ad,
366 int idx, long argl, void *argp);
367 typedef void CRYPTO_EX_free (void *parent, void *ptr, CRYPTO_EX_DATA *ad,
368 int idx, long argl, void *argp);
369 typedef int CRYPTO_EX_dup (CRYPTO_EX_DATA *to, CRYPTO_EX_DATA *from,
370 void *srcp, int idx, long argl, void *argp);
371 __owur int CRYPTO_get_ex_new_index(int class_index, long argl, void *argp,
372 CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
373 CRYPTO_EX_free *free_func);
374 /* No longer use an index. */
375 int CRYPTO_free_ex_index(int class_index, int idx);
376
377 /*
378 * Initialise/duplicate/free CRYPTO_EX_DATA variables corresponding to a
379 * given class (invokes whatever per-class callbacks are applicable)
380 */
381 int CRYPTO_new_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
382 int CRYPTO_dup_ex_data(int class_index, CRYPTO_EX_DATA *to,
383 CRYPTO_EX_DATA *from);
384
385 void CRYPTO_free_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
386
387 /*
388 * Get/set data in a CRYPTO_EX_DATA variable corresponding to a particular
389 * index (relative to the class type involved)
390 */
391 int CRYPTO_set_ex_data(CRYPTO_EX_DATA *ad, int idx, void *val);
392 void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx);
393 /*
394 * This function cleans up all "ex_data" state. It mustn't be called under
395 * potential race-conditions.
396 */
397 void CRYPTO_cleanup_all_ex_data(void);
398
399 int CRYPTO_get_new_lockid(char *name);
400
401 int CRYPTO_num_locks(void); /* return CRYPTO_NUM_LOCKS (shared libs!) */
402 void CRYPTO_lock(int mode, int type, const char *file, int line);
403 void CRYPTO_set_locking_callback(void (*func) (int mode, int type,
404 const char *file, int line));
405 void (*CRYPTO_get_locking_callback(void)) (int mode, int type,
406 const char *file, int line);
407 void CRYPTO_set_add_lock_callback(int (*func)
408 (int *num, int mount, int type,
409 const char *file, int line));
410 int (*CRYPTO_get_add_lock_callback(void)) (int *num, int mount, int type,
411 const char *file, int line);
412
413 /* Don't use this structure directly. */
414 typedef struct crypto_threadid_st {
415 void *ptr;
416 unsigned long val;
417 } CRYPTO_THREADID;
418 /* Only use CRYPTO_THREADID_set_[numeric|pointer]() within callbacks */
419 void CRYPTO_THREADID_set_numeric(CRYPTO_THREADID *id, unsigned long val);
420 void CRYPTO_THREADID_set_pointer(CRYPTO_THREADID *id, void *ptr);
421 int CRYPTO_THREADID_set_callback(void (*threadid_func) (CRYPTO_THREADID *));
422 void (*CRYPTO_THREADID_get_callback(void)) (CRYPTO_THREADID *);
423 void CRYPTO_THREADID_current(CRYPTO_THREADID *id);
424 int CRYPTO_THREADID_cmp(const CRYPTO_THREADID *a, const CRYPTO_THREADID *b);
425 void CRYPTO_THREADID_cpy(CRYPTO_THREADID *dest, const CRYPTO_THREADID *src);
426 unsigned long CRYPTO_THREADID_hash(const CRYPTO_THREADID *id);
427 DEPRECATEDIN_1_0_0(void CRYPTO_set_id_callback(unsigned long (*func) (void)))
428 DEPRECATEDIN_1_0_0(unsigned long (*CRYPTO_get_id_callback(void)) (void))
429 DEPRECATEDIN_1_0_0(unsigned long CRYPTO_thread_id(void))
430
431 const char *CRYPTO_get_lock_name(int type);
432 int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file,
433 int line);
434
435 int CRYPTO_get_new_dynlockid(void);
436 void CRYPTO_destroy_dynlockid(int i);
437 struct CRYPTO_dynlock_value *CRYPTO_get_dynlock_value(int i);
438 void CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value
439 *(*dyn_create_function) (const char
440 *file,
441 int line));
442 void CRYPTO_set_dynlock_lock_callback(void (*dyn_lock_function)
443 (int mode,
444 struct CRYPTO_dynlock_value *l,
445 const char *file, int line));
446 void CRYPTO_set_dynlock_destroy_callback(void (*dyn_destroy_function)
447 (struct CRYPTO_dynlock_value *l,
448 const char *file, int line));
449 struct CRYPTO_dynlock_value
450 *(*CRYPTO_get_dynlock_create_callback(void)) (const char *file, int line);
451 void (*CRYPTO_get_dynlock_lock_callback(void)) (int mode,
452 struct CRYPTO_dynlock_value
453 *l, const char *file,
454 int line);
455 void (*CRYPTO_get_dynlock_destroy_callback(void)) (struct CRYPTO_dynlock_value
456 *l, const char *file,
457 int line);
458
459 int CRYPTO_set_mem_functions(
460 void *(*m) (size_t, const char *, int),
461 void *(*r) (void *, size_t, const char *, int),
462 void (*f) (void *));
463 int CRYPTO_set_mem_debug(int flag);
464 void CRYPTO_get_mem_functions(
465 void *(**m) (size_t, const char *, int),
466 void *(**r) (void *, size_t, const char *, int),
467 void (**f) (void *));
468
469 void *CRYPTO_malloc(size_t num, const char *file, int line);
470 void *CRYPTO_zalloc(size_t num, const char *file, int line);
471 void *CRYPTO_memdup(const void *str, size_t siz, const char *file, int line);
472 char *CRYPTO_strdup(const char *str, const char *file, int line);
473 char *CRYPTO_strndup(const char *str, size_t s, const char *file, int line);
474 void CRYPTO_free(void *ptr);
475 void CRYPTO_clear_free(void *ptr, size_t num);
476 void *CRYPTO_realloc(void *addr, size_t num, const char *file, int line);
477 void *CRYPTO_clear_realloc(void *addr, size_t old_num, size_t num,
478 const char *file, int line);
479
480 int CRYPTO_secure_malloc_init(size_t sz, int minsize);
481 void CRYPTO_secure_malloc_done(void);
482 void *CRYPTO_secure_malloc(size_t num, const char *file, int line);
483 void CRYPTO_secure_free(void *ptr);
484 int CRYPTO_secure_allocated(const void *ptr);
485 int CRYPTO_secure_malloc_initialized(void);
486 size_t CRYPTO_secure_actual_size(void *ptr);
487 size_t CRYPTO_secure_used(void);
488
489 void OPENSSL_cleanse(void *ptr, size_t len);
490
491 # ifndef OPENSSL_NO_CRYPTO_MDEBUG
492 # define OPENSSL_mem_debug_push(info) \
493 CRYPTO_mem_debug_push(info, __FILE__, __LINE__)
494 # define OPENSSL_mem_debug_pop() \
495 CRYPTO_mem_debug_pop()
496 int CRYPTO_mem_debug_push(const char *info, const char *file, int line);
497 int CRYPTO_mem_debug_pop(void);
498
499 /*-
500 * Debugging functions (enabled by CRYPTO_set_mem_debug(1))
501 * The flag argument has the following significance:
502 * 0: called before the actual memory allocation has taken place
503 * 1: called after the actual memory allocation has taken place
504 */
505 void CRYPTO_mem_debug_malloc(void *addr, size_t num, int flag,
506 const char *file, int line);
507 void CRYPTO_mem_debug_realloc(void *addr1, void *addr2, size_t num, int flag,
508 const char *file, int line);
509 void CRYPTO_mem_debug_free(void *addr, int flag);
510
511 # ifndef OPENSSL_NO_STDIO
512 int CRYPTO_mem_leaks_fp(FILE *);
513 # endif
514 int CRYPTO_mem_leaks(struct bio_st *bio);
515 # endif
516
517 /* die if we have to */
518 void OpenSSLDie(const char *file, int line, const char *assertion);
519 # define OPENSSL_assert(e) (void)((e) ? 0 : (OpenSSLDie(__FILE__, __LINE__, #e),1))
520
521 unsigned int *OPENSSL_ia32cap_loc(void);
522 # define OPENSSL_ia32cap ((OPENSSL_ia32cap_loc())[0])
523 int OPENSSL_isservice(void);
524
525 int FIPS_mode(void);
526 int FIPS_mode_set(int r);
527
528 void OPENSSL_init(void);
529
530 struct tm *OPENSSL_gmtime(const time_t *timer, struct tm *result);
531 int OPENSSL_gmtime_adj(struct tm *tm, int offset_day, long offset_sec);
532 int OPENSSL_gmtime_diff(int *pday, int *psec,
533 const struct tm *from, const struct tm *to);
534
535 /*
536 * CRYPTO_memcmp returns zero iff the |len| bytes at |a| and |b| are equal.
537 * It takes an amount of time dependent on |len|, but independent of the
538 * contents of |a| and |b|. Unlike memcmp, it cannot be used to put elements
539 * into a defined order as the return value when a != b is undefined, other
540 * than to be non-zero.
541 */
542 int CRYPTO_memcmp(const void *a, const void *b, size_t len);
543
544 /* BEGIN ERROR CODES */
545 /*
546 * The following lines are auto generated by the script mkerr.pl. Any changes
547 * made after this point may be overwritten when the script is next run.
548 */
549 void ERR_load_CRYPTO_strings(void);
550
551 /* Error codes for the CRYPTO functions. */
552
553 /* Function codes. */
554 # define CRYPTO_F_CRYPTO_DUP_EX_DATA 110
555 # define CRYPTO_F_CRYPTO_FREE_EX_DATA 111
556 # define CRYPTO_F_CRYPTO_GET_EX_NEW_INDEX 100
557 # define CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID 103
558 # define CRYPTO_F_CRYPTO_GET_NEW_LOCKID 101
559 # define CRYPTO_F_CRYPTO_MEMDUP 115
560 # define CRYPTO_F_CRYPTO_NEW_EX_DATA 112
561 # define CRYPTO_F_CRYPTO_SET_EX_DATA 102
562 # define CRYPTO_F_DEF_ADD_INDEX 104
563 # define CRYPTO_F_DEF_GET_CLASS 105
564 # define CRYPTO_F_FIPS_MODE_SET 109
565 # define CRYPTO_F_GET_AND_LOCK 113
566 # define CRYPTO_F_INT_DUP_EX_DATA 106
567 # define CRYPTO_F_INT_FREE_EX_DATA 107
568 # define CRYPTO_F_INT_NEW_EX_DATA 108
569 # define CRYPTO_F_OPENSSL_MEMDUP 114
570
571 /* Reason codes. */
572 # define CRYPTO_R_FIPS_MODE_NOT_SUPPORTED 101
573 # define CRYPTO_R_NO_DYNLOCK_CREATE_CALLBACK 100
574
575 #ifdef __cplusplus
576 }
577 #endif
578 #endif
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