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Fix symbols missing from shared build
[thirdparty/openssl.git] / include / openssl / crypto.h
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19b8d06a 1/* ====================================================================
7b9f8f7f 2 * Copyright (c) 1998-2016 The OpenSSL Project. All rights reserved.
19b8d06a
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3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
0f113f3e 9 * notice, this list of conditions and the following disclaimer.
19b8d06a
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10 *
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the
14 * distribution.
15 *
16 * 3. All advertising materials mentioning features or use of this
17 * software must display the following acknowledgment:
18 * "This product includes software developed by the OpenSSL Project
19 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
20 *
21 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
22 * endorse or promote products derived from this software without
23 * prior written permission. For written permission, please contact
24 * openssl-core@openssl.org.
25 *
26 * 5. Products derived from this software may not be called "OpenSSL"
27 * nor may "OpenSSL" appear in their names without prior written
28 * permission of the OpenSSL Project.
29 *
30 * 6. Redistributions of any form whatsoever must retain the following
31 * acknowledgment:
32 * "This product includes software developed by the OpenSSL Project
33 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
34 *
35 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
36 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
37 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
38 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
41 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
42 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
43 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
44 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
45 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
46 * OF THE POSSIBILITY OF SUCH DAMAGE.
47 * ====================================================================
48 *
49 * This product includes cryptographic software written by Eric Young
50 * (eay@cryptsoft.com). This product includes software written by Tim
51 * Hudson (tjh@cryptsoft.com).
52 *
53 */
58964a49 54/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6
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55 * All rights reserved.
56 *
57 * This package is an SSL implementation written
58 * by Eric Young (eay@cryptsoft.com).
59 * The implementation was written so as to conform with Netscapes SSL.
0f113f3e 60 *
d02b48c6
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61 * This library is free for commercial and non-commercial use as long as
62 * the following conditions are aheared to. The following conditions
63 * apply to all code found in this distribution, be it the RC4, RSA,
64 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
65 * included with this distribution is covered by the same copyright terms
66 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
0f113f3e 67 *
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68 * Copyright remains Eric Young's, and as such any Copyright notices in
69 * the code are not to be removed.
70 * If this package is used in a product, Eric Young should be given attribution
71 * as the author of the parts of the library used.
72 * This can be in the form of a textual message at program startup or
73 * in documentation (online or textual) provided with the package.
0f113f3e 74 *
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75 * Redistribution and use in source and binary forms, with or without
76 * modification, are permitted provided that the following conditions
77 * are met:
78 * 1. Redistributions of source code must retain the copyright
79 * notice, this list of conditions and the following disclaimer.
80 * 2. Redistributions in binary form must reproduce the above copyright
81 * notice, this list of conditions and the following disclaimer in the
82 * documentation and/or other materials provided with the distribution.
83 * 3. All advertising materials mentioning features or use of this software
84 * must display the following acknowledgement:
85 * "This product includes cryptographic software written by
86 * Eric Young (eay@cryptsoft.com)"
87 * The word 'cryptographic' can be left out if the rouines from the library
88 * being used are not cryptographic related :-).
0f113f3e 89 * 4. If you include any Windows specific code (or a derivative thereof) from
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90 * the apps directory (application code) you must include an acknowledgement:
91 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
0f113f3e 92 *
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93 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
94 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
95 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
96 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
97 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
98 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
99 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
101 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
102 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
103 * SUCH DAMAGE.
0f113f3e 104 *
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105 * The licence and distribution terms for any publically available version or
106 * derivative of this code cannot be changed. i.e. this code cannot simply be
107 * copied and put under another distribution licence
108 * [including the GNU Public Licence.]
109 */
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110/* ====================================================================
111 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
0f113f3e 112 * ECDH support in OpenSSL originally developed by
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113 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
114 */
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115
116#ifndef HEADER_CRYPTO_H
0f113f3e 117# define HEADER_CRYPTO_H
d02b48c6 118
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119# include <stdlib.h>
120# include <time.h>
f3e9b338 121
0f113f3e 122# include <openssl/e_os2.h>
7b5a6c7a 123
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124# ifndef OPENSSL_NO_STDIO
125# include <stdio.h>
126# endif
0b86eb3e 127
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MC
128# include <openssl/stack.h>
129# include <openssl/safestack.h>
130# include <openssl/opensslv.h>
131# include <openssl/ossl_typ.h>
98186eb4 132# include <openssl/opensslconf.h>
5f326803 133
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MC
134# ifdef CHARSET_EBCDIC
135# include <openssl/ebcdic.h>
136# endif
a53955d8 137
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138/*
139 * Resolve problems on some operating systems with symbol names that clash
140 * one way or another
141 */
142# include <openssl/symhacks.h>
c29b6d56 143
98186eb4
VD
144# if OPENSSL_API_COMPAT < 0x10100000L
145# include <openssl/opensslv.h>
146# endif
147
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148#ifdef __cplusplus
149extern "C" {
150#endif
151
98186eb4
VD
152# if OPENSSL_API_COMPAT < 0x10100000L
153# define SSLeay OpenSSL_version_num
154# define SSLeay_version OpenSSL_version
155# define SSLEAY_VERSION_NUMBER OPENSSL_VERSION_NUMBER
156# define SSLEAY_VERSION OPENSSL_VERSION
157# define SSLEAY_CFLAGS OPENSSL_CFLAGS
158# define SSLEAY_BUILT_ON OPENSSL_BUILT_ON
159# define SSLEAY_PLATFORM OPENSSL_PLATFORM
160# define SSLEAY_DIR OPENSSL_DIR
d02b48c6 161
0f113f3e 162/*
2e52e7df
MC
163 * Old type for allocating dynamic locks. No longer used. Use the new thread
164 * API instead.
0f113f3e 165 */
0f113f3e 166typedef struct {
2e52e7df 167 int dummy;
0f113f3e 168} CRYPTO_dynlock;
c7922304 169
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MC
170# endif /* OPENSSL_API_COMPAT */
171
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AG
172typedef void CRYPTO_RWLOCK;
173
174CRYPTO_RWLOCK *CRYPTO_THREAD_lock_new(void);
175int CRYPTO_THREAD_read_lock(CRYPTO_RWLOCK *lock);
176int CRYPTO_THREAD_write_lock(CRYPTO_RWLOCK *lock);
177int CRYPTO_THREAD_unlock(CRYPTO_RWLOCK *lock);
178void CRYPTO_THREAD_lock_free(CRYPTO_RWLOCK *lock);
179
180int CRYPTO_atomic_add(int *val, int amount, int *ret, CRYPTO_RWLOCK *lock);
181
0f113f3e 182/*
bbd86bf5 183 * The following can be used to detect memory leaks in the library. If
0f113f3e
MC
184 * used, it turns on malloc checking
185 */
c2e27310
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186# define CRYPTO_MEM_CHECK_OFF 0x0 /* Control only */
187# define CRYPTO_MEM_CHECK_ON 0x1 /* Control and mode bit */
188# define CRYPTO_MEM_CHECK_ENABLE 0x2 /* Control and mode bit */
189# define CRYPTO_MEM_CHECK_DISABLE 0x3 /* Control only */
d02b48c6 190
58964a49
RE
191/* predec of the BIO type */
192typedef struct bio_st BIO_dummy;
193
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MC
194struct crypto_ex_data_st {
195 STACK_OF(void) *sk;
0f113f3e 196};
85885715 197DEFINE_STACK_OF(void)
dd9d233e 198
0f113f3e 199/*
e6390aca 200 * Per class, we have a STACK of function pointers.
58964a49 201 */
e6390aca
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202# define CRYPTO_EX_INDEX_SSL 0
203# define CRYPTO_EX_INDEX_SSL_CTX 1
204# define CRYPTO_EX_INDEX_SSL_SESSION 2
205# define CRYPTO_EX_INDEX_X509 3
206# define CRYPTO_EX_INDEX_X509_STORE 4
207# define CRYPTO_EX_INDEX_X509_STORE_CTX 5
208# define CRYPTO_EX_INDEX_DH 6
209# define CRYPTO_EX_INDEX_DSA 7
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210# define CRYPTO_EX_INDEX_EC_KEY 8
211# define CRYPTO_EX_INDEX_RSA 9
212# define CRYPTO_EX_INDEX_ENGINE 10
213# define CRYPTO_EX_INDEX_UI 11
214# define CRYPTO_EX_INDEX_BIO 12
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215# define CRYPTO_EX_INDEX_APP 13
216# define CRYPTO_EX_INDEX__COUNT 14
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217
218/*
219 * This is the default callbacks, but we can have others as well: this is
220 * needed in Win32 where the application malloc and the library malloc may
221 * not be the same.
3d14b9d0 222 */
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223#define OPENSSL_malloc_init() \
224 CRYPTO_set_mem_functions(CRYPTO_malloc, CRYPTO_realloc, CRYPTO_free)
d02b48c6 225
0cd08cce 226int CRYPTO_mem_ctrl(int mode);
bbd86bf5 227
05c7b163 228# define OPENSSL_malloc(num) \
eaa7e483 229 CRYPTO_malloc(num, OPENSSL_FILE, OPENSSL_LINE)
05c7b163 230# define OPENSSL_zalloc(num) \
eaa7e483 231 CRYPTO_zalloc(num, OPENSSL_FILE, OPENSSL_LINE)
05c7b163 232# define OPENSSL_realloc(addr, num) \
eaa7e483 233 CRYPTO_realloc(addr, num, OPENSSL_FILE, OPENSSL_LINE)
05c7b163 234# define OPENSSL_clear_realloc(addr, old_num, num) \
eaa7e483 235 CRYPTO_clear_realloc(addr, old_num, num, OPENSSL_FILE, OPENSSL_LINE)
05c7b163 236# define OPENSSL_clear_free(addr, num) \
eaa7e483 237 CRYPTO_clear_free(addr, num, OPENSSL_FILE, OPENSSL_LINE)
05c7b163 238# define OPENSSL_free(addr) \
eaa7e483 239 CRYPTO_free(addr, OPENSSL_FILE, OPENSSL_LINE)
05c7b163 240# define OPENSSL_memdup(str, s) \
eaa7e483 241 CRYPTO_memdup((str), s, OPENSSL_FILE, OPENSSL_LINE)
05c7b163 242# define OPENSSL_strdup(str) \
eaa7e483 243 CRYPTO_strdup(str, OPENSSL_FILE, OPENSSL_LINE)
05c7b163 244# define OPENSSL_strndup(str, n) \
eaa7e483 245 CRYPTO_strndup(str, n, OPENSSL_FILE, OPENSSL_LINE)
05c7b163 246# define OPENSSL_secure_malloc(num) \
eaa7e483 247 CRYPTO_secure_malloc(num, OPENSSL_FILE, OPENSSL_LINE)
05c7b163 248# define OPENSSL_secure_zalloc(num) \
eaa7e483 249 CRYPTO_secure_zalloc(num, OPENSSL_FILE, OPENSSL_LINE)
05c7b163 250# define OPENSSL_secure_free(addr) \
eaa7e483 251 CRYPTO_secure_free(addr, OPENSSL_FILE, OPENSSL_LINE)
05c7b163 252# define OPENSSL_secure_actual_size(ptr) \
d594199b 253 CRYPTO_secure_actual_size(ptr)
bbd86bf5 254
7644a9ae
RS
255size_t OPENSSL_strlcpy(char *dst, const char *src, size_t siz);
256size_t OPENSSL_strlcat(char *dst, const char *src, size_t siz);
257size_t OPENSSL_strnlen(const char *str, size_t maxlen);
258
0f113f3e 259# define OPENSSL_MALLOC_MAX_NELEMS(type) (((1U<<(sizeof(int)*8-1))-1)/sizeof(type))
d02b48c6 260
b0700d2c
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261unsigned long OpenSSL_version_num(void);
262const char *OpenSSL_version(int type);
263# define OPENSSL_VERSION 0
264# define OPENSSL_CFLAGS 1
265# define OPENSSL_BUILT_ON 2
266# define OPENSSL_PLATFORM 3
267# define OPENSSL_DIR 4
e09621ff 268# define OPENSSL_ENGINES_DIR 5
d02b48c6 269
36fafffa
UM
270int OPENSSL_issetugid(void);
271
e6390aca
RS
272typedef void CRYPTO_EX_new (void *parent, void *ptr, CRYPTO_EX_DATA *ad,
273 int idx, long argl, void *argp);
274typedef void CRYPTO_EX_free (void *parent, void *ptr, CRYPTO_EX_DATA *ad,
275 int idx, long argl, void *argp);
276typedef int CRYPTO_EX_dup (CRYPTO_EX_DATA *to, CRYPTO_EX_DATA *from,
277 void *srcp, int idx, long argl, void *argp);
278__owur int CRYPTO_get_ex_new_index(int class_index, long argl, void *argp,
0f113f3e
MC
279 CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
280 CRYPTO_EX_free *free_func);
e6390aca
RS
281/* No longer use an index. */
282int CRYPTO_free_ex_index(int class_index, int idx);
283
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MC
284/*
285 * Initialise/duplicate/free CRYPTO_EX_DATA variables corresponding to a
286 * given class (invokes whatever per-class callbacks are applicable)
287 */
3a079997
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288int CRYPTO_new_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
289int CRYPTO_dup_ex_data(int class_index, CRYPTO_EX_DATA *to,
0f113f3e 290 CRYPTO_EX_DATA *from);
e6390aca 291
3a079997 292void CRYPTO_free_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
e6390aca 293
0f113f3e
MC
294/*
295 * Get/set data in a CRYPTO_EX_DATA variable corresponding to a particular
296 * index (relative to the class type involved)
297 */
dd9d233e 298int CRYPTO_set_ex_data(CRYPTO_EX_DATA *ad, int idx, void *val);
0f113f3e 299void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx);
a5e3ac13
MC
300
301# if OPENSSL_API_COMPAT < 0x10100000L
0f113f3e
MC
302/*
303 * This function cleans up all "ex_data" state. It mustn't be called under
304 * potential race-conditions.
305 */
a5e3ac13 306# define CRYPTO_cleanup_all_ex_data()
58964a49 307
2e52e7df 308/*
b5851bbc
MT
309 * The old locking functions have been removed completely without compatibility
310 * macros. This is because the old functions either could not properly report
311 * errors, or the returned error values were not clearly documented.
312 * Replacing the locking functions with with no-ops would cause race condition
313 * issues in the affected applications. It is far better for them to fail at
314 * compile time.
315 * On the other hand, the locking callbacks are no longer used. Consequently,
316 * the callback management functions can be safely replaced with no-op macros.
2e52e7df 317 */
2e52e7df 318# define CRYPTO_num_locks() (0)
2e52e7df
MC
319# define CRYPTO_set_locking_callback(func)
320# define CRYPTO_get_locking_callback() (NULL)
321# define CRYPTO_set_add_lock_callback(func)
322# define CRYPTO_get_add_lock_callback() (NULL)
323
324/* This structure is no longer used */
0f113f3e 325typedef struct crypto_threadid_st {
2e52e7df 326 int dummy;
0f113f3e 327} CRYPTO_THREADID;
4c329696 328/* Only use CRYPTO_THREADID_set_[numeric|pointer]() within callbacks */
2e52e7df
MC
329# define CRYPTO_THREADID_set_numeric(id, val)
330# define CRYPTO_THREADID_set_pointer(id, ptr)
331# define CRYPTO_THREADID_set_callback(threadid_func) (0)
332# define CRYPTO_THREADID_get_callback() (NULL)
333# define CRYPTO_THREADID_current(id)
334# define CRYPTO_THREADID_cmp(a, b) (-1)
335# define CRYPTO_THREADID_cpy(dest, src)
336# define CRYPTO_THREADID_hash(id) (0UL)
337
338# if OPENSSL_API_COMPAT < 0x10000000L
339# define CRYPTO_set_id_callback(func)
340# define CRYPTO_get_id_callback() (NULL)
341# define CRYPTO_thread_id() (0UL)
342# endif /* OPENSSL_API_COMPAT < 0x10000000L */
343
2e52e7df
MC
344# define CRYPTO_set_dynlock_create_callback(dyn_create_function)
345# define CRYPTO_set_dynlock_lock_callback(dyn_lock_function)
346# define CRYPTO_set_dynlock_destroy_callback(dyn_destroy_function)
347# define CRYPTO_get_dynlock_create_callback() (NULL)
348# define CRYPTO_get_dynlock_lock_callback() (NULL)
349# define CRYPTO_get_dynlock_destroy_callback() (NULL)
350# endif /* OPENSSL_API_COMPAT < 0x10100000L */
0f113f3e 351
bbd86bf5
RS
352int CRYPTO_set_mem_functions(
353 void *(*m) (size_t, const char *, int),
354 void *(*r) (void *, size_t, const char *, int),
05c7b163 355 void (*f) (void *, const char *, int));
bbd86bf5
RS
356int CRYPTO_set_mem_debug(int flag);
357void CRYPTO_get_mem_functions(
358 void *(**m) (size_t, const char *, int),
359 void *(**r) (void *, size_t, const char *, int),
05c7b163 360 void (**f) (void *, const char *, int));
d02b48c6 361
ff842856
RL
362void *CRYPTO_malloc(size_t num, const char *file, int line);
363void *CRYPTO_zalloc(size_t num, const char *file, int line);
7644a9ae 364void *CRYPTO_memdup(const void *str, size_t siz, const char *file, int line);
6caa4edd 365char *CRYPTO_strdup(const char *str, const char *file, int line);
7644a9ae 366char *CRYPTO_strndup(const char *str, size_t s, const char *file, int line);
05c7b163
RL
367void CRYPTO_free(void *ptr, const char *file, int line);
368void CRYPTO_clear_free(void *ptr, size_t num, const char *file, int line);
ff842856 369void *CRYPTO_realloc(void *addr, size_t num, const char *file, int line);
c99de053 370void *CRYPTO_clear_realloc(void *addr, size_t old_num, size_t num,
ff842856 371 const char *file, int line);
5a88a6ea 372
74924dcb
RS
373int CRYPTO_secure_malloc_init(size_t sz, int minsize);
374void CRYPTO_secure_malloc_done(void);
ff842856 375void *CRYPTO_secure_malloc(size_t num, const char *file, int line);
3538c7da 376void *CRYPTO_secure_zalloc(size_t num, const char *file, int line);
05c7b163 377void CRYPTO_secure_free(void *ptr, const char *file, int line);
74924dcb
RS
378int CRYPTO_secure_allocated(const void *ptr);
379int CRYPTO_secure_malloc_initialized(void);
d594199b 380size_t CRYPTO_secure_actual_size(void *ptr);
bbd86bf5 381size_t CRYPTO_secure_used(void);
74924dcb 382
df29cc8f
RL
383void OPENSSL_cleanse(void *ptr, size_t len);
384
6ac11bd0
RS
385# ifndef OPENSSL_NO_CRYPTO_MDEBUG
386# define OPENSSL_mem_debug_push(info) \
3ba84717 387 CRYPTO_mem_debug_push(info, OPENSSL_FILE, OPENSSL_LINE)
6ac11bd0 388# define OPENSSL_mem_debug_pop() \
4fae386c
RS
389 CRYPTO_mem_debug_pop()
390int CRYPTO_mem_debug_push(const char *info, const char *file, int line);
391int CRYPTO_mem_debug_pop(void);
9ac42ed8 392
23a22b4c 393/*-
cf926b45 394 * Debugging functions (enabled by CRYPTO_set_mem_debug(1))
bbd86bf5
RS
395 * The flag argument has the following significance:
396 * 0: called before the actual memory allocation has taken place
397 * 1: called after the actual memory allocation has taken place
9ac42ed8 398 */
bbd86bf5
RS
399void CRYPTO_mem_debug_malloc(void *addr, size_t num, int flag,
400 const char *file, int line);
401void CRYPTO_mem_debug_realloc(void *addr1, void *addr2, size_t num, int flag,
402 const char *file, int line);
05c7b163
RL
403void CRYPTO_mem_debug_free(void *addr, int flag,
404 const char *file, int line);
1f575f1b 405
6ac11bd0 406# ifndef OPENSSL_NO_STDIO
4e482ae6 407int CRYPTO_mem_leaks_fp(FILE *);
6ac11bd0 408# endif
4e482ae6 409int CRYPTO_mem_leaks(struct bio_st *bio);
6ac11bd0 410# endif
d02b48c6 411
17ed6c06 412/* die if we have to */
040d43b3
RS
413# if OPENSSL_API_COMPAT < 0x10100000L
414# define OpenSSLDie(f,l,a) OPENSSL_die((a),(f),(l))
415# endif
416void OPENSSL_die(const char *assertion, const char *file, int line);
417# define OPENSSL_assert(e) \
418 (void)((e) ? 0 : (OPENSSL_die("assertion failed: " #e, OPENSSL_FILE, OPENSSL_LINE), 1))
17ed6c06 419
ff65e94e 420unsigned int *OPENSSL_ia32cap_loc(void);
0f113f3e 421# define OPENSSL_ia32cap ((OPENSSL_ia32cap_loc())[0])
ca9f55f7 422int OPENSSL_isservice(void);
3547478f 423
086e32a6
DSH
424int FIPS_mode(void);
425int FIPS_mode_set(int r);
426
71fa4513
BL
427void OPENSSL_init(void);
428
7e5363ab
RS
429struct tm *OPENSSL_gmtime(const time_t *timer, struct tm *result);
430int OPENSSL_gmtime_adj(struct tm *tm, int offset_day, long offset_sec);
431int OPENSSL_gmtime_diff(int *pday, int *psec,
432 const struct tm *from, const struct tm *to);
433
0f113f3e
MC
434/*
435 * CRYPTO_memcmp returns zero iff the |len| bytes at |a| and |b| are equal.
436 * It takes an amount of time dependent on |len|, but independent of the
437 * contents of |a| and |b|. Unlike memcmp, it cannot be used to put elements
438 * into a defined order as the return value when a != b is undefined, other
439 * than to be non-zero.
440 */
769adcfe
RS
441int CRYPTO_memcmp(const volatile void * volatile in_a,
442 const volatile void * volatile in_b,
443 size_t len);
7c770d57 444
b184e3ef 445/* Standard initialisation options */
2c90015c
RL
446# define OPENSSL_INIT_NO_LOAD_CRYPTO_STRINGS 0x00000001L
447# define OPENSSL_INIT_LOAD_CRYPTO_STRINGS 0x00000002L
448# define OPENSSL_INIT_ADD_ALL_CIPHERS 0x00000004L
449# define OPENSSL_INIT_ADD_ALL_DIGESTS 0x00000008L
450# define OPENSSL_INIT_NO_ADD_ALL_CIPHERS 0x00000010L
451# define OPENSSL_INIT_NO_ADD_ALL_DIGESTS 0x00000020L
452# define OPENSSL_INIT_LOAD_CONFIG 0x00000040L
453# define OPENSSL_INIT_NO_LOAD_CONFIG 0x00000080L
454# define OPENSSL_INIT_ASYNC 0x00000100L
455# define OPENSSL_INIT_ENGINE_RDRAND 0x00000200L
456# define OPENSSL_INIT_ENGINE_DYNAMIC 0x00000400L
457# define OPENSSL_INIT_ENGINE_OPENSSL 0x00000800L
458# define OPENSSL_INIT_ENGINE_CRYPTODEV 0x00001000L
459# define OPENSSL_INIT_ENGINE_CAPI 0x00002000L
460# define OPENSSL_INIT_ENGINE_PADLOCK 0x00004000L
461# define OPENSSL_INIT_ENGINE_DASYNC 0x00008000L
462/* OPENSSL_INIT flag 0x00010000 reserved for internal use */
15457b62 463# define OPENSSL_INIT_ENGINE_AFALG 0x00020000L
2c90015c 464/* OPENSSL_INIT flag range 0xfff00000 reserved for OPENSSL_init_ssl() */
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465/* Max OPENSSL_INIT flag value is 0x80000000 */
466
467/* openssl and dasync not counted as builtin */
468# define OPENSSL_INIT_ENGINE_ALL_BUILTIN \
469 (OPENSSL_INIT_ENGINE_RDRAND | OPENSSL_INIT_ENGINE_DYNAMIC \
470 | OPENSSL_INIT_ENGINE_CRYPTODEV | OPENSSL_INIT_ENGINE_CAPI | \
471 OPENSSL_INIT_ENGINE_PADLOCK)
472
473
b184e3ef 474/* Library initialisation functions */
f672aee4 475void OPENSSL_cleanup(void);
0fc32b07 476int OPENSSL_init_crypto(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings);
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477int OPENSSL_atexit(void (*handler)(void));
478void OPENSSL_thread_stop(void);
b184e3ef 479
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480/* Low-level control of initialization */
481OPENSSL_INIT_SETTINGS *OPENSSL_INIT_new(void);
691064c4 482#ifndef OPENSSL_NO_STDIO
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483void OPENSSL_INIT_set_config_filename(OPENSSL_INIT_SETTINGS *settings,
484 const char *config_file);
691064c4 485#endif
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486void OPENSSL_INIT_free(OPENSSL_INIT_SETTINGS *settings);
487
58964a49 488/* BEGIN ERROR CODES */
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489/*
490 * The following lines are auto generated by the script mkerr.pl. Any changes
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491 * made after this point may be overwritten when the script is next run.
492 */
3a079997 493void ERR_load_CRYPTO_strings(void);
6d311938 494
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495/* Error codes for the CRYPTO functions. */
496
497/* Function codes. */
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498# define CRYPTO_F_CRYPTO_DUP_EX_DATA 110
499# define CRYPTO_F_CRYPTO_FREE_EX_DATA 111
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500# define CRYPTO_F_CRYPTO_GET_EX_NEW_INDEX 100
501# define CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID 103
502# define CRYPTO_F_CRYPTO_GET_NEW_LOCKID 101
7644a9ae 503# define CRYPTO_F_CRYPTO_MEMDUP 115
7e5363ab 504# define CRYPTO_F_CRYPTO_NEW_EX_DATA 112
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505# define CRYPTO_F_CRYPTO_SET_EX_DATA 102
506# define CRYPTO_F_DEF_ADD_INDEX 104
507# define CRYPTO_F_DEF_GET_CLASS 105
508# define CRYPTO_F_FIPS_MODE_SET 109
e6390aca 509# define CRYPTO_F_GET_AND_LOCK 113
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510# define CRYPTO_F_INT_DUP_EX_DATA 106
511# define CRYPTO_F_INT_FREE_EX_DATA 107
512# define CRYPTO_F_INT_NEW_EX_DATA 108
a4625290 513# define CRYPTO_F_OPENSSL_INIT_CRYPTO 116
bbd86bf5 514# define CRYPTO_F_OPENSSL_MEMDUP 114
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515
516/* Reason codes. */
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517# define CRYPTO_R_FIPS_MODE_NOT_SUPPORTED 101
518# define CRYPTO_R_NO_DYNLOCK_CREATE_CALLBACK 100
6d311938 519
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520#ifdef __cplusplus
521}
522#endif
d02b48c6 523#endif