1/*
2 * WARNING: do not edit!
3 * Generated by Makefile from ../include/openssl/crypto.h.in
4 *
5 * Copyright 1995-2022 The OpenSSL Project Authors. All Rights Reserved.
6 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
7 *
8 * Licensed under the Apache License 2.0 (the "License"). You may not use
9 * this file except in compliance with the License. You can obtain a copy
10 * in the file LICENSE in the source distribution or at
11 * https://www.openssl.org/source/license.html
12 */
13
14
15
16#ifndef OPENSSL_CRYPTO_H
17# define OPENSSL_CRYPTO_H
18# pragma once
19
20# include <openssl/macros.h>
21# ifndef OPENSSL_NO_DEPRECATED_3_0
22# define HEADER_CRYPTO_H
23# endif
24
25# include <stdlib.h>
26# include <time.h>
27
28# include <openssl/e_os2.h>
29
30# ifndef OPENSSL_NO_STDIO
31# include <stdio.h>
32# endif
33
34# include <openssl/safestack.h>
35# include <openssl/opensslv.h>
36# include <openssl/types.h>
37# include <openssl/opensslconf.h>
38# include <openssl/cryptoerr.h>
39# include <openssl/core.h>
40
41# ifdef CHARSET_EBCDIC
42# include <openssl/ebcdic.h>
43# endif
44
45/*
46 * Resolve problems on some operating systems with symbol names that clash
47 * one way or another
48 */
49# include <openssl/symhacks.h>
50
51# ifndef OPENSSL_NO_DEPRECATED_1_1_0
52# include <openssl/opensslv.h>
53# endif
54
55#ifdef __cplusplus
56extern "C" {
57#endif
58
59# ifndef OPENSSL_NO_DEPRECATED_1_1_0
60# define SSLeay OpenSSL_version_num
61# define SSLeay_version OpenSSL_version
62# define SSLEAY_VERSION_NUMBER OPENSSL_VERSION_NUMBER
63# define SSLEAY_VERSION OPENSSL_VERSION
64# define SSLEAY_CFLAGS OPENSSL_CFLAGS
65# define SSLEAY_BUILT_ON OPENSSL_BUILT_ON
66# define SSLEAY_PLATFORM OPENSSL_PLATFORM
67# define SSLEAY_DIR OPENSSL_DIR
68
69/*
70 * Old type for allocating dynamic locks. No longer used. Use the new thread
71 * API instead.
72 */
73typedef struct {
74 int dummy;
75} CRYPTO_dynlock;
76
77# endif /* OPENSSL_NO_DEPRECATED_1_1_0 */
78
79typedef void CRYPTO_RWLOCK;
80
81CRYPTO_RWLOCK *CRYPTO_THREAD_lock_new(void);
82__owur int CRYPTO_THREAD_read_lock(CRYPTO_RWLOCK *lock);
83__owur int CRYPTO_THREAD_write_lock(CRYPTO_RWLOCK *lock);
84int CRYPTO_THREAD_unlock(CRYPTO_RWLOCK *lock);
85void CRYPTO_THREAD_lock_free(CRYPTO_RWLOCK *lock);
86
87int CRYPTO_atomic_add(int *val, int amount, int *ret, CRYPTO_RWLOCK *lock);
88int CRYPTO_atomic_or(uint64_t *val, uint64_t op, uint64_t *ret,
89 CRYPTO_RWLOCK *lock);
90int CRYPTO_atomic_load(uint64_t *val, uint64_t *ret, CRYPTO_RWLOCK *lock);
91
92/* No longer needed, so this is a no-op */
93#define OPENSSL_malloc_init() while(0) continue
94
95# define OPENSSL_malloc(num) \
96 CRYPTO_malloc(num, OPENSSL_FILE, OPENSSL_LINE)
97# define OPENSSL_zalloc(num) \
98 CRYPTO_zalloc(num, OPENSSL_FILE, OPENSSL_LINE)
99# define OPENSSL_realloc(addr, num) \
100 CRYPTO_realloc(addr, num, OPENSSL_FILE, OPENSSL_LINE)
101# define OPENSSL_clear_realloc(addr, old_num, num) \
102 CRYPTO_clear_realloc(addr, old_num, num, OPENSSL_FILE, OPENSSL_LINE)
103# define OPENSSL_clear_free(addr, num) \
104 CRYPTO_clear_free(addr, num, OPENSSL_FILE, OPENSSL_LINE)
105# define OPENSSL_free(addr) \
106 CRYPTO_free(addr, OPENSSL_FILE, OPENSSL_LINE)
107# define OPENSSL_memdup(str, s) \
108 CRYPTO_memdup((str), s, OPENSSL_FILE, OPENSSL_LINE)
109# define OPENSSL_strdup(str) \
110 CRYPTO_strdup(str, OPENSSL_FILE, OPENSSL_LINE)
111# define OPENSSL_strndup(str, n) \
112 CRYPTO_strndup(str, n, OPENSSL_FILE, OPENSSL_LINE)
113# define OPENSSL_secure_malloc(num) \
114 CRYPTO_secure_malloc(num, OPENSSL_FILE, OPENSSL_LINE)
115# define OPENSSL_secure_zalloc(num) \
116 CRYPTO_secure_zalloc(num, OPENSSL_FILE, OPENSSL_LINE)
117# define OPENSSL_secure_free(addr) \
118 CRYPTO_secure_free(addr, OPENSSL_FILE, OPENSSL_LINE)
119# define OPENSSL_secure_clear_free(addr, num) \
120 CRYPTO_secure_clear_free(addr, num, OPENSSL_FILE, OPENSSL_LINE)
121# define OPENSSL_secure_actual_size(ptr) \
122 CRYPTO_secure_actual_size(ptr)
123
124size_t OPENSSL_strlcpy(char *dst, const char *src, size_t siz);
125size_t OPENSSL_strlcat(char *dst, const char *src, size_t siz);
126size_t OPENSSL_strnlen(const char *str, size_t maxlen);
127int OPENSSL_buf2hexstr_ex(char *str, size_t str_n, size_t *strlength,
128 const unsigned char *buf, size_t buflen,
129 const char sep);
130char *OPENSSL_buf2hexstr(const unsigned char *buf, long buflen);
131int OPENSSL_hexstr2buf_ex(unsigned char *buf, size_t buf_n, size_t *buflen,
132 const char *str, const char sep);
133unsigned char *OPENSSL_hexstr2buf(const char *str, long *buflen);
134int OPENSSL_hexchar2int(unsigned char c);
135int OPENSSL_strcasecmp(const char *s1, const char *s2);
136int OPENSSL_strncasecmp(const char *s1, const char *s2, size_t n);
137
138# define OPENSSL_MALLOC_MAX_NELEMS(type) (((1U<<(sizeof(int)*8-1))-1)/sizeof(type))
139
140/*
141 * These functions return the values of OPENSSL_VERSION_MAJOR,
142 * OPENSSL_VERSION_MINOR, OPENSSL_VERSION_PATCH, OPENSSL_VERSION_PRE_RELEASE
143 * and OPENSSL_VERSION_BUILD_METADATA, respectively.
144 */
145unsigned int OPENSSL_version_major(void);
146unsigned int OPENSSL_version_minor(void);
147unsigned int OPENSSL_version_patch(void);
148const char *OPENSSL_version_pre_release(void);
149const char *OPENSSL_version_build_metadata(void);
150
151unsigned long OpenSSL_version_num(void);
152const char *OpenSSL_version(int type);
153# define OPENSSL_VERSION 0
154# define OPENSSL_CFLAGS 1
155# define OPENSSL_BUILT_ON 2
156# define OPENSSL_PLATFORM 3
157# define OPENSSL_DIR 4
158# define OPENSSL_ENGINES_DIR 5
159# define OPENSSL_VERSION_STRING 6
160# define OPENSSL_FULL_VERSION_STRING 7
161# define OPENSSL_MODULES_DIR 8
162# define OPENSSL_CPU_INFO 9
163
164const char *OPENSSL_info(int type);
165/*
166 * The series starts at 1001 to avoid confusion with the OpenSSL_version
167 * types.
168 */
169# define OPENSSL_INFO_CONFIG_DIR 1001
170# define OPENSSL_INFO_ENGINES_DIR 1002
171# define OPENSSL_INFO_MODULES_DIR 1003
172# define OPENSSL_INFO_DSO_EXTENSION 1004
173# define OPENSSL_INFO_DIR_FILENAME_SEPARATOR 1005
174# define OPENSSL_INFO_LIST_SEPARATOR 1006
175# define OPENSSL_INFO_SEED_SOURCE 1007
176# define OPENSSL_INFO_CPU_SETTINGS 1008
177
178int OPENSSL_issetugid(void);
179
180struct crypto_ex_data_st {
181 OSSL_LIB_CTX *ctx;
182 STACK_OF(void) *sk;
183};
184
185SKM_DEFINE_STACK_OF_INTERNAL(void, void, void)
186#define sk_void_num(sk) OPENSSL_sk_num(ossl_check_const_void_sk_type(sk))
187#define sk_void_value(sk, idx) ((void *)OPENSSL_sk_value(ossl_check_const_void_sk_type(sk), (idx)))
188#define sk_void_new(cmp) ((STACK_OF(void) *)OPENSSL_sk_new(ossl_check_void_compfunc_type(cmp)))
189#define sk_void_new_null() ((STACK_OF(void) *)OPENSSL_sk_new_null())
190#define sk_void_new_reserve(cmp, n) ((STACK_OF(void) *)OPENSSL_sk_new_reserve(ossl_check_void_compfunc_type(cmp), (n)))
191#define sk_void_reserve(sk, n) OPENSSL_sk_reserve(ossl_check_void_sk_type(sk), (n))
192#define sk_void_free(sk) OPENSSL_sk_free(ossl_check_void_sk_type(sk))
193#define sk_void_zero(sk) OPENSSL_sk_zero(ossl_check_void_sk_type(sk))
194#define sk_void_delete(sk, i) ((void *)OPENSSL_sk_delete(ossl_check_void_sk_type(sk), (i)))
195#define sk_void_delete_ptr(sk, ptr) ((void *)OPENSSL_sk_delete_ptr(ossl_check_void_sk_type(sk), ossl_check_void_type(ptr)))
196#define sk_void_push(sk, ptr) OPENSSL_sk_push(ossl_check_void_sk_type(sk), ossl_check_void_type(ptr))
197#define sk_void_unshift(sk, ptr) OPENSSL_sk_unshift(ossl_check_void_sk_type(sk), ossl_check_void_type(ptr))
198#define sk_void_pop(sk) ((void *)OPENSSL_sk_pop(ossl_check_void_sk_type(sk)))
199#define sk_void_shift(sk) ((void *)OPENSSL_sk_shift(ossl_check_void_sk_type(sk)))
200#define sk_void_pop_free(sk, freefunc) OPENSSL_sk_pop_free(ossl_check_void_sk_type(sk),ossl_check_void_freefunc_type(freefunc))
201#define sk_void_insert(sk, ptr, idx) OPENSSL_sk_insert(ossl_check_void_sk_type(sk), ossl_check_void_type(ptr), (idx))
202#define sk_void_set(sk, idx, ptr) ((void *)OPENSSL_sk_set(ossl_check_void_sk_type(sk), (idx), ossl_check_void_type(ptr)))
203#define sk_void_find(sk, ptr) OPENSSL_sk_find(ossl_check_void_sk_type(sk), ossl_check_void_type(ptr))
204#define sk_void_find_ex(sk, ptr) OPENSSL_sk_find_ex(ossl_check_void_sk_type(sk), ossl_check_void_type(ptr))
205#define sk_void_find_all(sk, ptr, pnum) OPENSSL_sk_find_all(ossl_check_void_sk_type(sk), ossl_check_void_type(ptr), pnum)
206#define sk_void_sort(sk) OPENSSL_sk_sort(ossl_check_void_sk_type(sk))
207#define sk_void_is_sorted(sk) OPENSSL_sk_is_sorted(ossl_check_const_void_sk_type(sk))
208#define sk_void_dup(sk) ((STACK_OF(void) *)OPENSSL_sk_dup(ossl_check_const_void_sk_type(sk)))
209#define sk_void_deep_copy(sk, copyfunc, freefunc) ((STACK_OF(void) *)OPENSSL_sk_deep_copy(ossl_check_const_void_sk_type(sk), ossl_check_void_copyfunc_type(copyfunc), ossl_check_void_freefunc_type(freefunc)))
210#define sk_void_set_cmp_func(sk, cmp) ((sk_void_compfunc)OPENSSL_sk_set_cmp_func(ossl_check_void_sk_type(sk), ossl_check_void_compfunc_type(cmp)))
211
212
213
214/*
215 * Per class, we have a STACK of function pointers.
216 */
217# define CRYPTO_EX_INDEX_SSL 0
218# define CRYPTO_EX_INDEX_SSL_CTX 1
219# define CRYPTO_EX_INDEX_SSL_SESSION 2
220# define CRYPTO_EX_INDEX_X509 3
221# define CRYPTO_EX_INDEX_X509_STORE 4
222# define CRYPTO_EX_INDEX_X509_STORE_CTX 5
223# define CRYPTO_EX_INDEX_DH 6
224# define CRYPTO_EX_INDEX_DSA 7
225# define CRYPTO_EX_INDEX_EC_KEY 8
226# define CRYPTO_EX_INDEX_RSA 9
227# define CRYPTO_EX_INDEX_ENGINE 10
228# define CRYPTO_EX_INDEX_UI 11
229# define CRYPTO_EX_INDEX_BIO 12
230# define CRYPTO_EX_INDEX_APP 13
231# define CRYPTO_EX_INDEX_UI_METHOD 14
232# define CRYPTO_EX_INDEX_RAND_DRBG 15
233# define CRYPTO_EX_INDEX_DRBG CRYPTO_EX_INDEX_RAND_DRBG
234# define CRYPTO_EX_INDEX_OSSL_LIB_CTX 16
235# define CRYPTO_EX_INDEX_EVP_PKEY 17
236# define CRYPTO_EX_INDEX__COUNT 18
237
238typedef void CRYPTO_EX_new (void *parent, void *ptr, CRYPTO_EX_DATA *ad,
239 int idx, long argl, void *argp);
240typedef void CRYPTO_EX_free (void *parent, void *ptr, CRYPTO_EX_DATA *ad,
241 int idx, long argl, void *argp);
242typedef int CRYPTO_EX_dup (CRYPTO_EX_DATA *to, const CRYPTO_EX_DATA *from,
243 void **from_d, int idx, long argl, void *argp);
244__owur int CRYPTO_get_ex_new_index(int class_index, long argl, void *argp,
245 CRYPTO_EX_new *new_func,
246 CRYPTO_EX_dup *dup_func,
247 CRYPTO_EX_free *free_func);
248/* No longer use an index. */
249int CRYPTO_free_ex_index(int class_index, int idx);
250
251/*
252 * Initialise/duplicate/free CRYPTO_EX_DATA variables corresponding to a
253 * given class (invokes whatever per-class callbacks are applicable)
254 */
255int CRYPTO_new_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
256int CRYPTO_dup_ex_data(int class_index, CRYPTO_EX_DATA *to,
257 const CRYPTO_EX_DATA *from);
258
259void CRYPTO_free_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
260
261/* Allocate a single item in the CRYPTO_EX_DATA variable */
262int CRYPTO_alloc_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad,
263 int idx);
264
265/*
266 * Get/set data in a CRYPTO_EX_DATA variable corresponding to a particular
267 * index (relative to the class type involved)
268 */
269int CRYPTO_set_ex_data(CRYPTO_EX_DATA *ad, int idx, void *val);
270void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx);
271
272# ifndef OPENSSL_NO_DEPRECATED_1_1_0
273/*
274 * This function cleans up all "ex_data" state. It mustn't be called under
275 * potential race-conditions.
276 */
277# define CRYPTO_cleanup_all_ex_data() while(0) continue
278
279/*
280 * The old locking functions have been removed completely without compatibility
281 * macros. This is because the old functions either could not properly report
282 * errors, or the returned error values were not clearly documented.
283 * Replacing the locking functions with no-ops would cause race condition
284 * issues in the affected applications. It is far better for them to fail at
285 * compile time.
286 * On the other hand, the locking callbacks are no longer used. Consequently,
287 * the callback management functions can be safely replaced with no-op macros.
288 */
289# define CRYPTO_num_locks() (1)
290# define CRYPTO_set_locking_callback(func)
291# define CRYPTO_get_locking_callback() (NULL)
292# define CRYPTO_set_add_lock_callback(func)
293# define CRYPTO_get_add_lock_callback() (NULL)
294
295/*
296 * These defines where used in combination with the old locking callbacks,
297 * they are not called anymore, but old code that's not called might still
298 * use them.
299 */
300# define CRYPTO_LOCK 1
301# define CRYPTO_UNLOCK 2
302# define CRYPTO_READ 4
303# define CRYPTO_WRITE 8
304
305/* This structure is no longer used */
306typedef struct crypto_threadid_st {
307 int dummy;
308} CRYPTO_THREADID;
309/* Only use CRYPTO_THREADID_set_[numeric|pointer]() within callbacks */
310# define CRYPTO_THREADID_set_numeric(id, val)
311# define CRYPTO_THREADID_set_pointer(id, ptr)
312# define CRYPTO_THREADID_set_callback(threadid_func) (0)
313# define CRYPTO_THREADID_get_callback() (NULL)
314# define CRYPTO_THREADID_current(id)
315# define CRYPTO_THREADID_cmp(a, b) (-1)
316# define CRYPTO_THREADID_cpy(dest, src)
317# define CRYPTO_THREADID_hash(id) (0UL)
318
319# ifndef OPENSSL_NO_DEPRECATED_1_0_0
320# define CRYPTO_set_id_callback(func)
321# define CRYPTO_get_id_callback() (NULL)
322# define CRYPTO_thread_id() (0UL)
323# endif /* OPENSSL_NO_DEPRECATED_1_0_0 */
324
325# define CRYPTO_set_dynlock_create_callback(dyn_create_function)
326# define CRYPTO_set_dynlock_lock_callback(dyn_lock_function)
327# define CRYPTO_set_dynlock_destroy_callback(dyn_destroy_function)
328# define CRYPTO_get_dynlock_create_callback() (NULL)
329# define CRYPTO_get_dynlock_lock_callback() (NULL)
330# define CRYPTO_get_dynlock_destroy_callback() (NULL)
331# endif /* OPENSSL_NO_DEPRECATED_1_1_0 */
332
333typedef void *(*CRYPTO_malloc_fn)(size_t num, const char *file, int line);
334typedef void *(*CRYPTO_realloc_fn)(void *addr, size_t num, const char *file,
335 int line);
336typedef void (*CRYPTO_free_fn)(void *addr, const char *file, int line);
337int CRYPTO_set_mem_functions(CRYPTO_malloc_fn malloc_fn,
338 CRYPTO_realloc_fn realloc_fn,
339 CRYPTO_free_fn free_fn);
340void CRYPTO_get_mem_functions(CRYPTO_malloc_fn *malloc_fn,
341 CRYPTO_realloc_fn *realloc_fn,
342 CRYPTO_free_fn *free_fn);
343
344void *CRYPTO_malloc(size_t num, const char *file, int line);
345void *CRYPTO_zalloc(size_t num, const char *file, int line);
346void *CRYPTO_memdup(const void *str, size_t siz, const char *file, int line);
347char *CRYPTO_strdup(const char *str, const char *file, int line);
348char *CRYPTO_strndup(const char *str, size_t s, const char *file, int line);
349void CRYPTO_free(void *ptr, const char *file, int line);
350void CRYPTO_clear_free(void *ptr, size_t num, const char *file, int line);
351void *CRYPTO_realloc(void *addr, size_t num, const char *file, int line);
352void *CRYPTO_clear_realloc(void *addr, size_t old_num, size_t num,
353 const char *file, int line);
354
355int CRYPTO_secure_malloc_init(size_t sz, size_t minsize);
356int CRYPTO_secure_malloc_done(void);
357void *CRYPTO_secure_malloc(size_t num, const char *file, int line);
358void *CRYPTO_secure_zalloc(size_t num, const char *file, int line);
359void CRYPTO_secure_free(void *ptr, const char *file, int line);
360void CRYPTO_secure_clear_free(void *ptr, size_t num,
361 const char *file, int line);
362int CRYPTO_secure_allocated(const void *ptr);
363int CRYPTO_secure_malloc_initialized(void);
364size_t CRYPTO_secure_actual_size(void *ptr);
365size_t CRYPTO_secure_used(void);
366
367void OPENSSL_cleanse(void *ptr, size_t len);
368
369# ifndef OPENSSL_NO_CRYPTO_MDEBUG
370/*
371 * The following can be used to detect memory leaks in the library. If
372 * used, it turns on malloc checking
373 */
374# define CRYPTO_MEM_CHECK_OFF 0x0 /* Control only */
375# define CRYPTO_MEM_CHECK_ON 0x1 /* Control and mode bit */
376# define CRYPTO_MEM_CHECK_ENABLE 0x2 /* Control and mode bit */
377# define CRYPTO_MEM_CHECK_DISABLE 0x3 /* Control only */
378
379void CRYPTO_get_alloc_counts(int *mcount, int *rcount, int *fcount);
380# ifndef OPENSSL_NO_DEPRECATED_3_0
381# define OPENSSL_mem_debug_push(info) \
382 CRYPTO_mem_debug_push(info, OPENSSL_FILE, OPENSSL_LINE)
383# define OPENSSL_mem_debug_pop() \
384 CRYPTO_mem_debug_pop()
385# endif
386# ifndef OPENSSL_NO_DEPRECATED_3_0
387OSSL_DEPRECATEDIN_3_0 int CRYPTO_set_mem_debug(int flag);
388OSSL_DEPRECATEDIN_3_0 int CRYPTO_mem_ctrl(int mode);
389OSSL_DEPRECATEDIN_3_0 int CRYPTO_mem_debug_push(const char *info,
390 const char *file, int line);
391OSSL_DEPRECATEDIN_3_0 int CRYPTO_mem_debug_pop(void);
392OSSL_DEPRECATEDIN_3_0 void CRYPTO_mem_debug_malloc(void *addr, size_t num,
393 int flag,
394 const char *file, int line);
395OSSL_DEPRECATEDIN_3_0 void CRYPTO_mem_debug_realloc(void *addr1, void *addr2,
396 size_t num, int flag,
397 const char *file, int line);
398OSSL_DEPRECATEDIN_3_0 void CRYPTO_mem_debug_free(void *addr, int flag,
399 const char *file, int line);
400OSSL_DEPRECATEDIN_3_0
401int CRYPTO_mem_leaks_cb(int (*cb)(const char *str, size_t len, void *u),
402 void *u);
403# endif
404# ifndef OPENSSL_NO_STDIO
405# ifndef OPENSSL_NO_DEPRECATED_3_0
406OSSL_DEPRECATEDIN_3_0 int CRYPTO_mem_leaks_fp(FILE *);
407# endif
408# endif
409# ifndef OPENSSL_NO_DEPRECATED_3_0
410OSSL_DEPRECATEDIN_3_0 int CRYPTO_mem_leaks(BIO *bio);
411# endif
412# endif /* OPENSSL_NO_CRYPTO_MDEBUG */
413
414/* die if we have to */
415ossl_noreturn void OPENSSL_die(const char *assertion, const char *file, int line);
416# ifndef OPENSSL_NO_DEPRECATED_1_1_0
417# define OpenSSLDie(f,l,a) OPENSSL_die((a),(f),(l))
418# endif
419# define OPENSSL_assert(e) \
420 (void)((e) ? 0 : (OPENSSL_die("assertion failed: " #e, OPENSSL_FILE, OPENSSL_LINE), 1))
421
422int OPENSSL_isservice(void);
423
424void OPENSSL_init(void);
425# ifdef OPENSSL_SYS_UNIX
426# ifndef OPENSSL_NO_DEPRECATED_3_0
427OSSL_DEPRECATEDIN_3_0 void OPENSSL_fork_prepare(void);
428OSSL_DEPRECATEDIN_3_0 void OPENSSL_fork_parent(void);
429OSSL_DEPRECATEDIN_3_0 void OPENSSL_fork_child(void);
430# endif
431# endif
432
433struct tm *OPENSSL_gmtime(const time_t *timer, struct tm *result);
434int OPENSSL_gmtime_adj(struct tm *tm, int offset_day, long offset_sec);
435int OPENSSL_gmtime_diff(int *pday, int *psec,
436 const struct tm *from, const struct tm *to);
437
438/*
439 * CRYPTO_memcmp returns zero iff the |len| bytes at |a| and |b| are equal.
440 * It takes an amount of time dependent on |len|, but independent of the
441 * contents of |a| and |b|. Unlike memcmp, it cannot be used to put elements
442 * into a defined order as the return value when a != b is undefined, other
443 * than to be non-zero.
444 */
445int CRYPTO_memcmp(const void * in_a, const void * in_b, size_t len);
446
447/* Standard initialisation options */
448# define OPENSSL_INIT_NO_LOAD_CRYPTO_STRINGS 0x00000001L
449# define OPENSSL_INIT_LOAD_CRYPTO_STRINGS 0x00000002L
450# define OPENSSL_INIT_ADD_ALL_CIPHERS 0x00000004L
451# define OPENSSL_INIT_ADD_ALL_DIGESTS 0x00000008L
452# define OPENSSL_INIT_NO_ADD_ALL_CIPHERS 0x00000010L
453# define OPENSSL_INIT_NO_ADD_ALL_DIGESTS 0x00000020L
454# define OPENSSL_INIT_LOAD_CONFIG 0x00000040L
455# define OPENSSL_INIT_NO_LOAD_CONFIG 0x00000080L
456# define OPENSSL_INIT_ASYNC 0x00000100L
457# define OPENSSL_INIT_ENGINE_RDRAND 0x00000200L
458# define OPENSSL_INIT_ENGINE_DYNAMIC 0x00000400L
459# define OPENSSL_INIT_ENGINE_OPENSSL 0x00000800L
460# define OPENSSL_INIT_ENGINE_CRYPTODEV 0x00001000L
461# define OPENSSL_INIT_ENGINE_CAPI 0x00002000L
462# define OPENSSL_INIT_ENGINE_PADLOCK 0x00004000L
463# define OPENSSL_INIT_ENGINE_AFALG 0x00008000L
464/* FREE: 0x00010000L */
465# define OPENSSL_INIT_ATFORK 0x00020000L
466/* OPENSSL_INIT_BASE_ONLY 0x00040000L */
467# define OPENSSL_INIT_NO_ATEXIT 0x00080000L
468/* OPENSSL_INIT flag range 0x03f00000 reserved for OPENSSL_init_ssl() */
469/* FREE: 0x04000000L */
470/* FREE: 0x08000000L */
471/* FREE: 0x10000000L */
472/* FREE: 0x20000000L */
473/* FREE: 0x40000000L */
474/* FREE: 0x80000000L */
475/* Max OPENSSL_INIT flag value is 0x80000000 */
476
477/* openssl and dasync not counted as builtin */
478# define OPENSSL_INIT_ENGINE_ALL_BUILTIN \
479 (OPENSSL_INIT_ENGINE_RDRAND | OPENSSL_INIT_ENGINE_DYNAMIC \
480 | OPENSSL_INIT_ENGINE_CRYPTODEV | OPENSSL_INIT_ENGINE_CAPI | \
481 OPENSSL_INIT_ENGINE_PADLOCK)
482
483/* Library initialisation functions */
484void OPENSSL_cleanup(void);
485int OPENSSL_init_crypto(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings);
486int OPENSSL_atexit(void (*handler)(void));
487void OPENSSL_thread_stop(void);
488void OPENSSL_thread_stop_ex(OSSL_LIB_CTX *ctx);
489
490/* Low-level control of initialization */
491OPENSSL_INIT_SETTINGS *OPENSSL_INIT_new(void);
492# ifndef OPENSSL_NO_STDIO
493int OPENSSL_INIT_set_config_filename(OPENSSL_INIT_SETTINGS *settings,
494 const char *config_filename);
495void OPENSSL_INIT_set_config_file_flags(OPENSSL_INIT_SETTINGS *settings,
496 unsigned long flags);
497int OPENSSL_INIT_set_config_appname(OPENSSL_INIT_SETTINGS *settings,
498 const char *config_appname);
499# endif
500void OPENSSL_INIT_free(OPENSSL_INIT_SETTINGS *settings);
501
502# if defined(OPENSSL_THREADS) && !defined(CRYPTO_TDEBUG)
503# if defined(_WIN32)
504# if defined(BASETYPES) || defined(_WINDEF_H)
505/* application has to include <windows.h> in order to use this */
506typedef DWORD CRYPTO_THREAD_LOCAL;
507typedef DWORD CRYPTO_THREAD_ID;
508
509typedef LONG CRYPTO_ONCE;
510# define CRYPTO_ONCE_STATIC_INIT 0
511# endif
512# else
513# if defined(__TANDEM) && defined(_SPT_MODEL_)
514# define SPT_THREAD_SIGNAL 1
515# define SPT_THREAD_AWARE 1
516# include <spthread.h>
517# else
518# include <pthread.h>
519# endif
520typedef pthread_once_t CRYPTO_ONCE;
521typedef pthread_key_t CRYPTO_THREAD_LOCAL;
522typedef pthread_t CRYPTO_THREAD_ID;
523
524# define CRYPTO_ONCE_STATIC_INIT PTHREAD_ONCE_INIT
525# endif
526# endif
527
528# if !defined(CRYPTO_ONCE_STATIC_INIT)
529typedef unsigned int CRYPTO_ONCE;
530typedef unsigned int CRYPTO_THREAD_LOCAL;
531typedef unsigned int CRYPTO_THREAD_ID;
532# define CRYPTO_ONCE_STATIC_INIT 0
533# endif
534
535int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void));
536
537int CRYPTO_THREAD_init_local(CRYPTO_THREAD_LOCAL *key, void (*cleanup)(void *));
538void *CRYPTO_THREAD_get_local(CRYPTO_THREAD_LOCAL *key);
539int CRYPTO_THREAD_set_local(CRYPTO_THREAD_LOCAL *key, void *val);
540int CRYPTO_THREAD_cleanup_local(CRYPTO_THREAD_LOCAL *key);
541
542CRYPTO_THREAD_ID CRYPTO_THREAD_get_current_id(void);
543int CRYPTO_THREAD_compare_id(CRYPTO_THREAD_ID a, CRYPTO_THREAD_ID b);
544
545OSSL_LIB_CTX *OSSL_LIB_CTX_new(void);
546OSSL_LIB_CTX *OSSL_LIB_CTX_new_from_dispatch(const OSSL_CORE_HANDLE *handle,
547 const OSSL_DISPATCH *in);
548OSSL_LIB_CTX *OSSL_LIB_CTX_new_child(const OSSL_CORE_HANDLE *handle,
549 const OSSL_DISPATCH *in);
550int OSSL_LIB_CTX_load_config(OSSL_LIB_CTX *ctx, const char *config_file);
551void OSSL_LIB_CTX_free(OSSL_LIB_CTX *);
552OSSL_LIB_CTX *OSSL_LIB_CTX_get0_global_default(void);
553OSSL_LIB_CTX *OSSL_LIB_CTX_set0_default(OSSL_LIB_CTX *libctx);
554
555# ifdef __cplusplus
556}
557# endif
558#endif
559