xref: /openbsd-src/lib/libcrypto/crypto.h (revision f6aab3d83b51b91c24247ad2c2573574de475a82)
1 /* $OpenBSD: crypto.h,v 1.63 2023/07/28 10:19:20 tb Exp $ */
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 #include <stdint.h>
118 #include <stdio.h>
119 #include <stdlib.h>
120 
121 #ifndef HEADER_CRYPTO_H
122 #define HEADER_CRYPTO_H
123 
124 #include <openssl/opensslconf.h>
125 
126 #include <openssl/stack.h>
127 #include <openssl/safestack.h>
128 #include <openssl/opensslv.h>
129 #include <openssl/ossl_typ.h>
130 
131 #ifdef  __cplusplus
132 extern "C" {
133 #endif
134 
135 /* Backward compatibility to SSLeay */
136 /* This is more to be used to check the correct DLL is being used
137  * in the MS world. */
138 #define SSLEAY_VERSION_NUMBER	OPENSSL_VERSION_NUMBER
139 #define SSLEAY_VERSION		0
140 /* #define SSLEAY_OPTIONS	1 no longer supported */
141 #define SSLEAY_CFLAGS		2
142 #define SSLEAY_BUILT_ON		3
143 #define SSLEAY_PLATFORM		4
144 #define SSLEAY_DIR		5
145 
146 /* When changing the CRYPTO_LOCK_* list, be sure to maintain the text lock
147  * names in cryptlib.c
148  */
149 
150 #define	CRYPTO_LOCK_ERR			1
151 #define	CRYPTO_LOCK_EX_DATA		2
152 #define	CRYPTO_LOCK_X509		3
153 #define	CRYPTO_LOCK_X509_INFO		4
154 #define	CRYPTO_LOCK_X509_PKEY		5
155 #define CRYPTO_LOCK_X509_CRL		6
156 #define CRYPTO_LOCK_X509_REQ		7
157 #define CRYPTO_LOCK_DSA			8
158 #define CRYPTO_LOCK_RSA			9
159 #define CRYPTO_LOCK_EVP_PKEY		10
160 #define CRYPTO_LOCK_X509_STORE		11
161 #define CRYPTO_LOCK_SSL_CTX		12
162 #define CRYPTO_LOCK_SSL_CERT		13
163 #define CRYPTO_LOCK_SSL_SESSION		14
164 #define CRYPTO_LOCK_SSL_SESS_CERT	15
165 #define CRYPTO_LOCK_SSL			16
166 #define CRYPTO_LOCK_SSL_METHOD		17
167 #define CRYPTO_LOCK_RAND		18
168 #define CRYPTO_LOCK_RAND2		19
169 #define CRYPTO_LOCK_MALLOC		20
170 #define CRYPTO_LOCK_BIO			21
171 #define CRYPTO_LOCK_GETHOSTBYNAME	22
172 #define CRYPTO_LOCK_GETSERVBYNAME	23
173 #define CRYPTO_LOCK_READDIR		24
174 #define CRYPTO_LOCK_RSA_BLINDING	25
175 #define CRYPTO_LOCK_DH			26
176 #define CRYPTO_LOCK_MALLOC2		27
177 #define CRYPTO_LOCK_DSO			28
178 #define CRYPTO_LOCK_DYNLOCK		29
179 #define CRYPTO_LOCK_ENGINE		30
180 #define CRYPTO_LOCK_UI			31
181 #define CRYPTO_LOCK_ECDSA               32
182 #define CRYPTO_LOCK_EC			33
183 #define CRYPTO_LOCK_ECDH		34
184 #define CRYPTO_LOCK_BN  		35
185 #define CRYPTO_LOCK_EC_PRE_COMP		36
186 #define CRYPTO_LOCK_STORE		37
187 #define CRYPTO_LOCK_COMP		38
188 #define CRYPTO_LOCK_FIPS		39
189 #define CRYPTO_LOCK_FIPS2		40
190 #define CRYPTO_NUM_LOCKS		41
191 
192 #define CRYPTO_LOCK		1
193 #define CRYPTO_UNLOCK		2
194 #define CRYPTO_READ		4
195 #define CRYPTO_WRITE		8
196 
197 #ifndef CRYPTO_w_lock
198 #define CRYPTO_w_lock(type)	\
199 	CRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE,type,NULL,0)
200 #define CRYPTO_w_unlock(type)	\
201 	CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE,type,NULL,0)
202 #define CRYPTO_r_lock(type)	\
203 	CRYPTO_lock(CRYPTO_LOCK|CRYPTO_READ,type,NULL,0)
204 #define CRYPTO_r_unlock(type)	\
205 	CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_READ,type,NULL,0)
206 #define CRYPTO_add(addr,amount,type)	\
207 	CRYPTO_add_lock(addr,amount,type,NULL,0)
208 #endif
209 
210 /* Some applications as well as some parts of OpenSSL need to allocate
211    and deallocate locks in a dynamic fashion.  The following typedef
212    makes this possible in a type-safe manner.  */
213 /* struct CRYPTO_dynlock_value has to be defined by the application. */
214 typedef struct {
215 	int references;
216 	struct CRYPTO_dynlock_value *data;
217 } CRYPTO_dynlock;
218 
219 
220 /* The following can be used to detect memory leaks in the SSLeay library.
221  * It used, it turns on malloc checking */
222 
223 #define CRYPTO_MEM_CHECK_OFF	0x0	/* an enume */
224 #define CRYPTO_MEM_CHECK_ON	0x1	/* a bit */
225 #define CRYPTO_MEM_CHECK_ENABLE	0x2	/* a bit */
226 #define CRYPTO_MEM_CHECK_DISABLE 0x3	/* an enume */
227 
228 /* The following are bit values to turn on or off options connected to the
229  * malloc checking functionality */
230 
231 /* Adds time to the memory checking information */
232 #define V_CRYPTO_MDEBUG_TIME	0x1 /* a bit */
233 /* Adds thread number to the memory checking information */
234 #define V_CRYPTO_MDEBUG_THREAD	0x2 /* a bit */
235 
236 #define V_CRYPTO_MDEBUG_ALL (V_CRYPTO_MDEBUG_TIME | V_CRYPTO_MDEBUG_THREAD)
237 
238 
239 /* predec of the BIO type */
240 typedef struct bio_st BIO_dummy;
241 
242 struct crypto_ex_data_st {
243 	STACK_OF(void) *sk;
244 };
245 DECLARE_STACK_OF(void)
246 
247 #define CRYPTO_EX_INDEX_SSL              0
248 #define CRYPTO_EX_INDEX_SSL_CTX          1
249 #define CRYPTO_EX_INDEX_SSL_SESSION      2
250 #define CRYPTO_EX_INDEX_APP              3
251 #define CRYPTO_EX_INDEX_BIO              4
252 #define CRYPTO_EX_INDEX_DH               5
253 #define CRYPTO_EX_INDEX_DSA              6
254 #define CRYPTO_EX_INDEX_EC_KEY           7
255 #define CRYPTO_EX_INDEX_ENGINE           8
256 #define CRYPTO_EX_INDEX_RSA              9
257 #define CRYPTO_EX_INDEX_UI               10
258 #define CRYPTO_EX_INDEX_UI_METHOD        11
259 #define CRYPTO_EX_INDEX_X509             12
260 #define CRYPTO_EX_INDEX_X509_STORE       13
261 #define CRYPTO_EX_INDEX_X509_STORE_CTX   14
262 #define CRYPTO_EX_INDEX__COUNT           15
263 
264 #ifndef LIBRESSL_INTERNAL
265 #define CRYPTO_malloc_init()		(0)
266 #define CRYPTO_malloc_debug_init()	(0)
267 
268 #if defined CRYPTO_MDEBUG_ALL || defined CRYPTO_MDEBUG_TIME || defined CRYPTO_MDEBUG_THREAD
269 # ifndef CRYPTO_MDEBUG /* avoid duplicate #define */
270 #  define CRYPTO_MDEBUG
271 # endif
272 #endif
273 
274 int CRYPTO_mem_ctrl(int mode);
275 int CRYPTO_is_mem_check_on(void);
276 
277 /* for applications */
278 #define MemCheck_start() CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON)
279 #define MemCheck_stop()	CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_OFF)
280 
281 #define OPENSSL_malloc(num)	CRYPTO_malloc((int)num,NULL,0)
282 #define OPENSSL_strdup(str)	CRYPTO_strdup((str),NULL,0)
283 #define OPENSSL_realloc(addr,num) \
284 	CRYPTO_realloc((char *)addr,(int)num,NULL,0)
285 #define OPENSSL_realloc_clean(addr,old_num,num) \
286 	CRYPTO_realloc_clean(addr,old_num,num,NULL,0)
287 #define OPENSSL_remalloc(addr,num) \
288 	CRYPTO_remalloc((char **)addr,(int)num,NULL,0)
289 #define OPENSSL_freeFunc	CRYPTO_free
290 #define OPENSSL_free(addr)	CRYPTO_free(addr)
291 
292 #define OPENSSL_malloc_locked(num) \
293 	CRYPTO_malloc_locked((int)num,NULL,0)
294 #define OPENSSL_free_locked(addr) CRYPTO_free_locked(addr)
295 #endif
296 
297 const char *OpenSSL_version(int type);
298 #define OPENSSL_VERSION		0
299 #define OPENSSL_CFLAGS		1
300 #define OPENSSL_BUILT_ON	2
301 #define OPENSSL_PLATFORM	3
302 #define OPENSSL_DIR		4
303 #define OPENSSL_ENGINES_DIR	5
304 unsigned long OpenSSL_version_num(void);
305 
306 const char *SSLeay_version(int type);
307 unsigned long SSLeay(void);
308 
309 /* Within a given class, get/register a new index */
310 int CRYPTO_get_ex_new_index(int class_index, long argl, void *argp,
311     CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
312     CRYPTO_EX_free *free_func);
313 /* Initialise/duplicate/free CRYPTO_EX_DATA variables corresponding to a given
314  * class (invokes whatever per-class callbacks are applicable) */
315 int CRYPTO_new_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
316 int CRYPTO_dup_ex_data(int class_index, CRYPTO_EX_DATA *to,
317     CRYPTO_EX_DATA *from);
318 void CRYPTO_free_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
319 /* Get/set data in a CRYPTO_EX_DATA variable corresponding to a particular index
320  * (relative to the class type involved) */
321 int CRYPTO_set_ex_data(CRYPTO_EX_DATA *ad, int idx, void *val);
322 void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx);
323 /* This function cleans up all "ex_data" state. It mustn't be called under
324  * potential race-conditions. */
325 void CRYPTO_cleanup_all_ex_data(void);
326 
327 void CRYPTO_lock(int mode, int type, const char *file, int line);
328 int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file,
329     int line);
330 
331 /* Don't use this structure directly. */
332 typedef struct crypto_threadid_st {
333 	void *ptr;
334 	unsigned long val;
335 } CRYPTO_THREADID;
336 void CRYPTO_THREADID_current(CRYPTO_THREADID *id);
337 int CRYPTO_THREADID_cmp(const CRYPTO_THREADID *a, const CRYPTO_THREADID *b);
338 void CRYPTO_THREADID_cpy(CRYPTO_THREADID *dest, const CRYPTO_THREADID *src);
339 unsigned long CRYPTO_THREADID_hash(const CRYPTO_THREADID *id);
340 
341 #ifndef LIBRESSL_INTERNAL
342 /* These functions are deprecated no-op stubs */
343 void CRYPTO_set_id_callback(unsigned long (*func)(void));
344 unsigned long (*CRYPTO_get_id_callback(void))(void);
345 unsigned long CRYPTO_thread_id(void);
346 
347 int CRYPTO_get_new_lockid(char *name);
348 const char *CRYPTO_get_lock_name(int type);
349 
350 int CRYPTO_num_locks(void);
351 void CRYPTO_set_locking_callback(void (*func)(int mode, int type,
352     const char *file, int line));
353 void (*CRYPTO_get_locking_callback(void))(int mode, int type,
354     const char *file, int line);
355 void CRYPTO_set_add_lock_callback(int (*func)(int *num, int mount, int type,
356     const char *file, int line));
357 int (*CRYPTO_get_add_lock_callback(void))(int *num, int mount, int type,
358     const char *file, int line);
359 
360 void CRYPTO_THREADID_set_numeric(CRYPTO_THREADID *id, unsigned long val);
361 void CRYPTO_THREADID_set_pointer(CRYPTO_THREADID *id, void *ptr);
362 int CRYPTO_THREADID_set_callback(void (*threadid_func)(CRYPTO_THREADID *));
363 void (*CRYPTO_THREADID_get_callback(void))(CRYPTO_THREADID *);
364 
365 int CRYPTO_get_new_dynlockid(void);
366 void CRYPTO_destroy_dynlockid(int i);
367 struct CRYPTO_dynlock_value *CRYPTO_get_dynlock_value(int i);
368 void CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value *(*dyn_create_function)(const char *file, int line));
369 void CRYPTO_set_dynlock_lock_callback(void (*dyn_lock_function)(int mode, struct CRYPTO_dynlock_value *l, const char *file, int line));
370 void CRYPTO_set_dynlock_destroy_callback(void (*dyn_destroy_function)(struct CRYPTO_dynlock_value *l, const char *file, int line));
371 struct CRYPTO_dynlock_value *(*CRYPTO_get_dynlock_create_callback(void))(const char *file, int line);
372 void (*CRYPTO_get_dynlock_lock_callback(void))(int mode, struct CRYPTO_dynlock_value *l, const char *file, int line);
373 void (*CRYPTO_get_dynlock_destroy_callback(void))(struct CRYPTO_dynlock_value *l, const char *file, int line);
374 #endif
375 
376 /* CRYPTO_set_mem_functions includes CRYPTO_set_locked_mem_functions --
377  * call the latter last if you need different functions */
378 int CRYPTO_set_mem_functions(void *(*m)(size_t), void *(*r)(void *, size_t), void (*f)(void *));
379 int CRYPTO_set_locked_mem_functions(void *(*m)(size_t), void (*free_func)(void *));
380 int CRYPTO_set_mem_ex_functions(void *(*m)(size_t, const char *, int),
381     void *(*r)(void *, size_t, const char *, int), void (*f)(void *));
382 int CRYPTO_set_locked_mem_ex_functions(void *(*m)(size_t, const char *, int),
383     void (*free_func)(void *));
384 int CRYPTO_set_mem_debug_functions(
385     void (*m)(void *, int, const char *, int, int),
386     void (*r)(void *, void *, int, const char *, int, int),
387     void (*f)(void *, int), void (*so)(long), long (*go)(void));
388 void CRYPTO_get_mem_functions(void *(**m)(size_t), void *(**r)(void *, size_t),
389     void (**f)(void *));
390 void CRYPTO_get_locked_mem_functions(void *(**m)(size_t), void (**f)(void *));
391 void CRYPTO_get_mem_ex_functions(void *(**m)(size_t, const char *, int),
392     void *(**r)(void *, size_t, const char *, int), void (**f)(void *));
393 void CRYPTO_get_locked_mem_ex_functions(void *(**m)(size_t, const char *, int),
394     void (**f)(void *));
395 void CRYPTO_get_mem_debug_functions(
396     void (**m)(void *, int, const char *, int, int),
397     void (**r)(void *, void *, int, const char *, int, int),
398     void (**f)(void *, int), void (**so)(long), long (**go)(void));
399 
400 #ifndef LIBRESSL_INTERNAL
401 void *CRYPTO_malloc_locked(int num, const char *file, int line);
402 void CRYPTO_free_locked(void *ptr);
403 void *CRYPTO_malloc(int num, const char *file, int line);
404 char *CRYPTO_strdup(const char *str, const char *file, int line);
405 void CRYPTO_free(void *ptr);
406 void *CRYPTO_realloc(void *addr, int num, const char *file, int line);
407 #endif
408 
409 void *CRYPTO_realloc_clean(void *addr, int old_num, int num,
410     const char *file, int line);
411 void *CRYPTO_remalloc(void *addr, int num, const char *file, int line);
412 
413 #ifndef LIBRESSL_INTERNAL
414 void OPENSSL_cleanse(void *ptr, size_t len);
415 #endif
416 
417 void CRYPTO_set_mem_debug_options(long bits);
418 long CRYPTO_get_mem_debug_options(void);
419 
420 #define CRYPTO_push_info(info) \
421         CRYPTO_push_info_(info, NULL, 0);
422 int CRYPTO_push_info_(const char *info, const char *file, int line);
423 int CRYPTO_pop_info(void);
424 int CRYPTO_remove_all_info(void);
425 
426 
427 /* Default debugging functions (enabled by CRYPTO_malloc_debug_init() macro;
428  * used as default in CRYPTO_MDEBUG compilations): */
429 /* The last argument has the following significance:
430  *
431  * 0:	called before the actual memory allocation has taken place
432  * 1:	called after the actual memory allocation has taken place
433  */
434 void CRYPTO_dbg_malloc(void *addr, int num, const char *file, int line, int before_p)
435 	__attribute__ ((deprecated));
436 void CRYPTO_dbg_realloc(void *addr1, void *addr2, int num, const char *file, int line, int before_p)
437 	__attribute__ ((deprecated));
438 void CRYPTO_dbg_free(void *addr, int before_p)
439 	__attribute__ ((deprecated));
440 /* Tell the debugging code about options.  By default, the following values
441  * apply:
442  *
443  * 0:                           Clear all options.
444  * V_CRYPTO_MDEBUG_TIME (1):    Set the "Show Time" option.
445  * V_CRYPTO_MDEBUG_THREAD (2):  Set the "Show Thread Number" option.
446  * V_CRYPTO_MDEBUG_ALL (3):     1 + 2
447  */
448 void CRYPTO_dbg_set_options(long bits)
449 	__attribute__ ((deprecated));
450 long CRYPTO_dbg_get_options(void)
451 	__attribute__ ((deprecated));
452 
453 
454 int CRYPTO_mem_leaks_fp(FILE *);
455 int CRYPTO_mem_leaks(struct bio_st *bio);
456 /* unsigned long order, char *file, int line, int num_bytes, char *addr */
457 typedef int *CRYPTO_MEM_LEAK_CB(unsigned long, const char *, int, int, void *);
458 int CRYPTO_mem_leaks_cb(CRYPTO_MEM_LEAK_CB *cb);
459 
460 /*
461  * Because this is a public header, use a portable method of indicating the
462  * function does not return, rather than __dead.
463  */
464 #ifdef _MSC_VER
465 __declspec(noreturn)
466 #else
467 __attribute__((__noreturn__))
468 #endif
469 void OpenSSLDie(const char *file, int line, const char *assertion);
470 #define OPENSSL_assert(e)       (void)((e) ? 0 : (OpenSSLDie(__FILE__, __LINE__, #e),1))
471 
472 uint64_t OPENSSL_cpu_caps(void);
473 
474 int OPENSSL_isservice(void);
475 
476 #ifndef LIBRESSL_INTERNAL
477 int FIPS_mode(void);
478 int FIPS_mode_set(int r);
479 
480 void OPENSSL_init(void);
481 
482 /* CRYPTO_memcmp returns zero iff the |len| bytes at |a| and |b| are equal. It
483  * takes an amount of time dependent on |len|, but independent of the contents
484  * of |a| and |b|. Unlike memcmp, it cannot be used to put elements into a
485  * defined order as the return value when a != b is undefined, other than to be
486  * non-zero. */
487 int CRYPTO_memcmp(const void *a, const void *b, size_t len);
488 #endif
489 
490 /*
491  * OpenSSL compatible OPENSSL_INIT options.
492  */
493 
494 #define OPENSSL_INIT_NO_LOAD_CONFIG		0x00000001L
495 #define OPENSSL_INIT_LOAD_CONFIG		0x00000002L
496 
497 /* LibreSSL specific */
498 #define _OPENSSL_INIT_FLAG_NOOP			0x80000000L
499 
500 /*
501  * These are provided for compatibility, but have no effect
502  * on how LibreSSL is initialized.
503  */
504 #define OPENSSL_INIT_NO_LOAD_CRYPTO_STRINGS	_OPENSSL_INIT_FLAG_NOOP
505 #define OPENSSL_INIT_LOAD_CRYPTO_STRINGS	_OPENSSL_INIT_FLAG_NOOP
506 #define OPENSSL_INIT_ADD_ALL_CIPHERS		_OPENSSL_INIT_FLAG_NOOP
507 #define OPENSSL_INIT_ADD_ALL_DIGESTS		_OPENSSL_INIT_FLAG_NOOP
508 #define OPENSSL_INIT_NO_ADD_ALL_CIPHERS		_OPENSSL_INIT_FLAG_NOOP
509 #define OPENSSL_INIT_NO_ADD_ALL_DIGESTS		_OPENSSL_INIT_FLAG_NOOP
510 #define OPENSSL_INIT_ASYNC			_OPENSSL_INIT_FLAG_NOOP
511 #define OPENSSL_INIT_ENGINE_RDRAND		_OPENSSL_INIT_FLAG_NOOP
512 #define OPENSSL_INIT_ENGINE_DYNAMIC		_OPENSSL_INIT_FLAG_NOOP
513 #define OPENSSL_INIT_ENGINE_OPENSSL		_OPENSSL_INIT_FLAG_NOOP
514 #define OPENSSL_INIT_ENGINE_CRYPTODEV		_OPENSSL_INIT_FLAG_NOOP
515 #define OPENSSL_INIT_ENGINE_CAPI		_OPENSSL_INIT_FLAG_NOOP
516 #define OPENSSL_INIT_ENGINE_PADLOCK		_OPENSSL_INIT_FLAG_NOOP
517 #define OPENSSL_INIT_ENGINE_AFALG		_OPENSSL_INIT_FLAG_NOOP
518 #define OPENSSL_INIT_reserved_internal		_OPENSSL_INIT_FLAG_NOOP
519 #define OPENSSL_INIT_ATFORK			_OPENSSL_INIT_FLAG_NOOP
520 #define OPENSSL_INIT_ENGINE_ALL_BUILTIN		_OPENSSL_INIT_FLAG_NOOP
521 
522 int OPENSSL_init_crypto(uint64_t opts, const void *settings);
523 void OPENSSL_cleanup(void);
524 
525 void ERR_load_CRYPTO_strings(void);
526 
527 /* Error codes for the CRYPTO functions. */
528 
529 /* Function codes. */
530 #define CRYPTO_F_CRYPTO_GET_EX_NEW_INDEX		 100
531 #define CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID		 103
532 #define CRYPTO_F_CRYPTO_GET_NEW_LOCKID			 101
533 #define CRYPTO_F_CRYPTO_SET_EX_DATA			 102
534 #define CRYPTO_F_DEF_ADD_INDEX				 104
535 #define CRYPTO_F_DEF_GET_CLASS				 105
536 #define CRYPTO_F_FIPS_MODE_SET				 109
537 #define CRYPTO_F_INT_DUP_EX_DATA			 106
538 #define CRYPTO_F_INT_FREE_EX_DATA			 107
539 #define CRYPTO_F_INT_NEW_EX_DATA			 108
540 
541 /* Reason codes. */
542 #define CRYPTO_R_FIPS_MODE_NOT_SUPPORTED		 101
543 #define CRYPTO_R_NO_DYNLOCK_CREATE_CALLBACK		 100
544 
545 #ifdef  __cplusplus
546 }
547 #endif
548 #endif
549