1 /* $OpenBSD: crypto.h,v 1.57 2022/09/11 17:26:51 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 /* This stuff is basically class callback functions
248  * The current classes are SSL_CTX, SSL, SSL_SESSION, and a few more */
249 
250 typedef struct crypto_ex_data_func_st {
251 	long argl;	/* Arbitary long */
252 	void *argp;	/* Arbitary void * */
253 	CRYPTO_EX_new *new_func;
254 	CRYPTO_EX_free *free_func;
255 	CRYPTO_EX_dup *dup_func;
256 } CRYPTO_EX_DATA_FUNCS;
257 
258 DECLARE_STACK_OF(CRYPTO_EX_DATA_FUNCS)
259 
260 /* Per class, we have a STACK of CRYPTO_EX_DATA_FUNCS for each CRYPTO_EX_DATA
261  * entry.
262  */
263 
264 #define CRYPTO_EX_INDEX_BIO		0
265 #define CRYPTO_EX_INDEX_SSL		1
266 #define CRYPTO_EX_INDEX_SSL_CTX		2
267 #define CRYPTO_EX_INDEX_SSL_SESSION	3
268 #define CRYPTO_EX_INDEX_X509_STORE	4
269 #define CRYPTO_EX_INDEX_X509_STORE_CTX	5
270 #define CRYPTO_EX_INDEX_RSA		6
271 #define CRYPTO_EX_INDEX_DSA		7
272 #define CRYPTO_EX_INDEX_DH		8
273 #define CRYPTO_EX_INDEX_ENGINE		9
274 #define CRYPTO_EX_INDEX_X509		10
275 #define CRYPTO_EX_INDEX_UI		11
276 #define CRYPTO_EX_INDEX_ECDSA		12
277 #define CRYPTO_EX_INDEX_ECDH		13
278 #define CRYPTO_EX_INDEX_COMP		14
279 #define CRYPTO_EX_INDEX_STORE		15
280 #define CRYPTO_EX_INDEX_EC_KEY		16
281 
282 /* Dynamically assigned indexes start from this value (don't use directly, use
283  * via CRYPTO_ex_data_new_class). */
284 #define CRYPTO_EX_INDEX_USER		100
285 
286 #ifndef LIBRESSL_INTERNAL
287 #define CRYPTO_malloc_init()		(0)
288 #define CRYPTO_malloc_debug_init()	(0)
289 
290 #if defined CRYPTO_MDEBUG_ALL || defined CRYPTO_MDEBUG_TIME || defined CRYPTO_MDEBUG_THREAD
291 # ifndef CRYPTO_MDEBUG /* avoid duplicate #define */
292 #  define CRYPTO_MDEBUG
293 # endif
294 #endif
295 
296 int CRYPTO_mem_ctrl(int mode);
297 int CRYPTO_is_mem_check_on(void);
298 
299 /* for applications */
300 #define MemCheck_start() CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON)
301 #define MemCheck_stop()	CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_OFF)
302 
303 #define OPENSSL_malloc(num)	CRYPTO_malloc((int)num,NULL,0)
304 #define OPENSSL_strdup(str)	CRYPTO_strdup((str),NULL,0)
305 #define OPENSSL_realloc(addr,num) \
306 	CRYPTO_realloc((char *)addr,(int)num,NULL,0)
307 #define OPENSSL_realloc_clean(addr,old_num,num) \
308 	CRYPTO_realloc_clean(addr,old_num,num,NULL,0)
309 #define OPENSSL_remalloc(addr,num) \
310 	CRYPTO_remalloc((char **)addr,(int)num,NULL,0)
311 #define OPENSSL_freeFunc	CRYPTO_free
312 #define OPENSSL_free(addr)	CRYPTO_free(addr)
313 
314 #define OPENSSL_malloc_locked(num) \
315 	CRYPTO_malloc_locked((int)num,NULL,0)
316 #define OPENSSL_free_locked(addr) CRYPTO_free_locked(addr)
317 #endif
318 
319 const char *OpenSSL_version(int type);
320 #define OPENSSL_VERSION		0
321 #define OPENSSL_CFLAGS		1
322 #define OPENSSL_BUILT_ON	2
323 #define OPENSSL_PLATFORM	3
324 #define OPENSSL_DIR		4
325 #define OPENSSL_ENGINES_DIR	5
326 unsigned long OpenSSL_version_num(void);
327 
328 const char *SSLeay_version(int type);
329 unsigned long SSLeay(void);
330 
331 /* An opaque type representing an implementation of "ex_data" support */
332 typedef struct st_CRYPTO_EX_DATA_IMPL	CRYPTO_EX_DATA_IMPL;
333 /* Return an opaque pointer to the current "ex_data" implementation */
334 const CRYPTO_EX_DATA_IMPL *CRYPTO_get_ex_data_implementation(void);
335 /* Sets the "ex_data" implementation to be used (if it's not too late) */
336 int CRYPTO_set_ex_data_implementation(const CRYPTO_EX_DATA_IMPL *i);
337 /* Get a new "ex_data" class, and return the corresponding "class_index" */
338 int CRYPTO_ex_data_new_class(void);
339 /* Within a given class, get/register a new index */
340 int CRYPTO_get_ex_new_index(int class_index, long argl, void *argp,
341     CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
342     CRYPTO_EX_free *free_func);
343 /* Initialise/duplicate/free CRYPTO_EX_DATA variables corresponding to a given
344  * class (invokes whatever per-class callbacks are applicable) */
345 int CRYPTO_new_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
346 int CRYPTO_dup_ex_data(int class_index, CRYPTO_EX_DATA *to,
347     CRYPTO_EX_DATA *from);
348 void CRYPTO_free_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
349 /* Get/set data in a CRYPTO_EX_DATA variable corresponding to a particular index
350  * (relative to the class type involved) */
351 int CRYPTO_set_ex_data(CRYPTO_EX_DATA *ad, int idx, void *val);
352 void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx);
353 /* This function cleans up all "ex_data" state. It mustn't be called under
354  * potential race-conditions. */
355 void CRYPTO_cleanup_all_ex_data(void);
356 
357 void CRYPTO_lock(int mode, int type, const char *file, int line);
358 int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file,
359     int line);
360 
361 /* Don't use this structure directly. */
362 typedef struct crypto_threadid_st {
363 	void *ptr;
364 	unsigned long val;
365 } CRYPTO_THREADID;
366 void CRYPTO_THREADID_current(CRYPTO_THREADID *id);
367 int CRYPTO_THREADID_cmp(const CRYPTO_THREADID *a, const CRYPTO_THREADID *b);
368 void CRYPTO_THREADID_cpy(CRYPTO_THREADID *dest, const CRYPTO_THREADID *src);
369 unsigned long CRYPTO_THREADID_hash(const CRYPTO_THREADID *id);
370 
371 #ifndef LIBRESSL_INTERNAL
372 /* These functions are deprecated no-op stubs */
373 void CRYPTO_set_id_callback(unsigned long (*func)(void));
374 unsigned long (*CRYPTO_get_id_callback(void))(void);
375 unsigned long CRYPTO_thread_id(void);
376 
377 int CRYPTO_get_new_lockid(char *name);
378 const char *CRYPTO_get_lock_name(int type);
379 
380 int CRYPTO_num_locks(void);
381 void CRYPTO_set_locking_callback(void (*func)(int mode, int type,
382     const char *file, int line));
383 void (*CRYPTO_get_locking_callback(void))(int mode, int type,
384     const char *file, int line);
385 void CRYPTO_set_add_lock_callback(int (*func)(int *num, int mount, int type,
386     const char *file, int line));
387 int (*CRYPTO_get_add_lock_callback(void))(int *num, int mount, int type,
388     const char *file, int line);
389 
390 void CRYPTO_THREADID_set_numeric(CRYPTO_THREADID *id, unsigned long val);
391 void CRYPTO_THREADID_set_pointer(CRYPTO_THREADID *id, void *ptr);
392 int CRYPTO_THREADID_set_callback(void (*threadid_func)(CRYPTO_THREADID *));
393 void (*CRYPTO_THREADID_get_callback(void))(CRYPTO_THREADID *);
394 
395 int CRYPTO_get_new_dynlockid(void);
396 void CRYPTO_destroy_dynlockid(int i);
397 struct CRYPTO_dynlock_value *CRYPTO_get_dynlock_value(int i);
398 void CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value *(*dyn_create_function)(const char *file, int line));
399 void CRYPTO_set_dynlock_lock_callback(void (*dyn_lock_function)(int mode, struct CRYPTO_dynlock_value *l, const char *file, int line));
400 void CRYPTO_set_dynlock_destroy_callback(void (*dyn_destroy_function)(struct CRYPTO_dynlock_value *l, const char *file, int line));
401 struct CRYPTO_dynlock_value *(*CRYPTO_get_dynlock_create_callback(void))(const char *file, int line);
402 void (*CRYPTO_get_dynlock_lock_callback(void))(int mode, struct CRYPTO_dynlock_value *l, const char *file, int line);
403 void (*CRYPTO_get_dynlock_destroy_callback(void))(struct CRYPTO_dynlock_value *l, const char *file, int line);
404 #endif
405 
406 /* CRYPTO_set_mem_functions includes CRYPTO_set_locked_mem_functions --
407  * call the latter last if you need different functions */
408 int CRYPTO_set_mem_functions(void *(*m)(size_t), void *(*r)(void *, size_t), void (*f)(void *));
409 int CRYPTO_set_locked_mem_functions(void *(*m)(size_t), void (*free_func)(void *));
410 int CRYPTO_set_mem_ex_functions(void *(*m)(size_t, const char *, int),
411     void *(*r)(void *, size_t, const char *, int), void (*f)(void *));
412 int CRYPTO_set_locked_mem_ex_functions(void *(*m)(size_t, const char *, int),
413     void (*free_func)(void *));
414 int CRYPTO_set_mem_debug_functions(
415     void (*m)(void *, int, const char *, int, int),
416     void (*r)(void *, void *, int, const char *, int, int),
417     void (*f)(void *, int), void (*so)(long), long (*go)(void));
418 void CRYPTO_get_mem_functions(void *(**m)(size_t), void *(**r)(void *, size_t),
419     void (**f)(void *));
420 void CRYPTO_get_locked_mem_functions(void *(**m)(size_t), void (**f)(void *));
421 void CRYPTO_get_mem_ex_functions(void *(**m)(size_t, const char *, int),
422     void *(**r)(void *, size_t, const char *, int), void (**f)(void *));
423 void CRYPTO_get_locked_mem_ex_functions(void *(**m)(size_t, const char *, int),
424     void (**f)(void *));
425 void CRYPTO_get_mem_debug_functions(
426     void (**m)(void *, int, const char *, int, int),
427     void (**r)(void *, void *, int, const char *, int, int),
428     void (**f)(void *, int), void (**so)(long), long (**go)(void));
429 
430 #ifndef LIBRESSL_INTERNAL
431 void *CRYPTO_malloc_locked(int num, const char *file, int line);
432 void CRYPTO_free_locked(void *ptr);
433 void *CRYPTO_malloc(int num, const char *file, int line);
434 char *CRYPTO_strdup(const char *str, const char *file, int line);
435 void CRYPTO_free(void *ptr);
436 void *CRYPTO_realloc(void *addr, int num, const char *file, int line);
437 #endif
438 
439 void *CRYPTO_realloc_clean(void *addr, int old_num, int num,
440     const char *file, int line);
441 void *CRYPTO_remalloc(void *addr, int num, const char *file, int line);
442 
443 #ifndef LIBRESSL_INTERNAL
444 void OPENSSL_cleanse(void *ptr, size_t len);
445 #endif
446 
447 void CRYPTO_set_mem_debug_options(long bits);
448 long CRYPTO_get_mem_debug_options(void);
449 
450 #define CRYPTO_push_info(info) \
451         CRYPTO_push_info_(info, NULL, 0);
452 int CRYPTO_push_info_(const char *info, const char *file, int line);
453 int CRYPTO_pop_info(void);
454 int CRYPTO_remove_all_info(void);
455 
456 
457 /* Default debugging functions (enabled by CRYPTO_malloc_debug_init() macro;
458  * used as default in CRYPTO_MDEBUG compilations): */
459 /* The last argument has the following significance:
460  *
461  * 0:	called before the actual memory allocation has taken place
462  * 1:	called after the actual memory allocation has taken place
463  */
464 void CRYPTO_dbg_malloc(void *addr, int num, const char *file, int line, int before_p)
465 	__attribute__ ((deprecated));
466 void CRYPTO_dbg_realloc(void *addr1, void *addr2, int num, const char *file, int line, int before_p)
467 	__attribute__ ((deprecated));
468 void CRYPTO_dbg_free(void *addr, int before_p)
469 	__attribute__ ((deprecated));
470 /* Tell the debugging code about options.  By default, the following values
471  * apply:
472  *
473  * 0:                           Clear all options.
474  * V_CRYPTO_MDEBUG_TIME (1):    Set the "Show Time" option.
475  * V_CRYPTO_MDEBUG_THREAD (2):  Set the "Show Thread Number" option.
476  * V_CRYPTO_MDEBUG_ALL (3):     1 + 2
477  */
478 void CRYPTO_dbg_set_options(long bits)
479 	__attribute__ ((deprecated));
480 long CRYPTO_dbg_get_options(void)
481 	__attribute__ ((deprecated));
482 
483 
484 int CRYPTO_mem_leaks_fp(FILE *);
485 int CRYPTO_mem_leaks(struct bio_st *bio);
486 /* unsigned long order, char *file, int line, int num_bytes, char *addr */
487 typedef int *CRYPTO_MEM_LEAK_CB(unsigned long, const char *, int, int, void *);
488 int CRYPTO_mem_leaks_cb(CRYPTO_MEM_LEAK_CB *cb);
489 
490 /* die if we have to */
491 void OpenSSLDie(const char *file, int line, const char *assertion);
492 #define OPENSSL_assert(e)       (void)((e) ? 0 : (OpenSSLDie(__FILE__, __LINE__, #e),1))
493 
494 uint64_t OPENSSL_cpu_caps(void);
495 
496 int OPENSSL_isservice(void);
497 
498 #ifndef LIBRESSL_INTERNAL
499 int FIPS_mode(void);
500 int FIPS_mode_set(int r);
501 
502 void OPENSSL_init(void);
503 
504 /* CRYPTO_memcmp returns zero iff the |len| bytes at |a| and |b| are equal. It
505  * takes an amount of time dependent on |len|, but independent of the contents
506  * of |a| and |b|. Unlike memcmp, it cannot be used to put elements into a
507  * defined order as the return value when a != b is undefined, other than to be
508  * non-zero. */
509 int CRYPTO_memcmp(const void *a, const void *b, size_t len);
510 #endif
511 
512 void ERR_load_CRYPTO_strings(void);
513 
514 /* Error codes for the CRYPTO functions. */
515 
516 /* Function codes. */
517 #define CRYPTO_F_CRYPTO_GET_EX_NEW_INDEX		 100
518 #define CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID		 103
519 #define CRYPTO_F_CRYPTO_GET_NEW_LOCKID			 101
520 #define CRYPTO_F_CRYPTO_SET_EX_DATA			 102
521 #define CRYPTO_F_DEF_ADD_INDEX				 104
522 #define CRYPTO_F_DEF_GET_CLASS				 105
523 #define CRYPTO_F_FIPS_MODE_SET				 109
524 #define CRYPTO_F_INT_DUP_EX_DATA			 106
525 #define CRYPTO_F_INT_FREE_EX_DATA			 107
526 #define CRYPTO_F_INT_NEW_EX_DATA			 108
527 
528 /* Reason codes. */
529 #define CRYPTO_R_FIPS_MODE_NOT_SUPPORTED		 101
530 #define CRYPTO_R_NO_DYNLOCK_CREATE_CALLBACK		 100
531 
532 /*
533  * OpenSSL compatible OPENSSL_INIT options.
534  */
535 
536 #define OPENSSL_INIT_NO_LOAD_CONFIG		0x00000001L
537 #define OPENSSL_INIT_LOAD_CONFIG		0x00000002L
538 
539 /* LibreSSL specific */
540 #define _OPENSSL_INIT_FLAG_NOOP			0x80000000L
541 
542 /*
543  * These are provided for compatibiliy, but have no effect
544  * on how LibreSSL is initialized.
545  */
546 #define OPENSSL_INIT_NO_LOAD_CRYPTO_STRINGS	_OPENSSL_INIT_FLAG_NOOP
547 #define OPENSSL_INIT_LOAD_CRYPTO_STRINGS	_OPENSSL_INIT_FLAG_NOOP
548 #define OPENSSL_INIT_ADD_ALL_CIPHERS		_OPENSSL_INIT_FLAG_NOOP
549 #define OPENSSL_INIT_ADD_ALL_DIGESTS		_OPENSSL_INIT_FLAG_NOOP
550 #define OPENSSL_INIT_NO_ADD_ALL_CIPHERS		_OPENSSL_INIT_FLAG_NOOP
551 #define OPENSSL_INIT_NO_ADD_ALL_DIGESTS		_OPENSSL_INIT_FLAG_NOOP
552 #define OPENSSL_INIT_ASYNC			_OPENSSL_INIT_FLAG_NOOP
553 #define OPENSSL_INIT_ENGINE_RDRAND		_OPENSSL_INIT_FLAG_NOOP
554 #define OPENSSL_INIT_ENGINE_DYNAMIC		_OPENSSL_INIT_FLAG_NOOP
555 #define OPENSSL_INIT_ENGINE_OPENSSL		_OPENSSL_INIT_FLAG_NOOP
556 #define OPENSSL_INIT_ENGINE_CRYPTODEV		_OPENSSL_INIT_FLAG_NOOP
557 #define OPENSSL_INIT_ENGINE_CAPI		_OPENSSL_INIT_FLAG_NOOP
558 #define OPENSSL_INIT_ENGINE_PADLOCK		_OPENSSL_INIT_FLAG_NOOP
559 #define OPENSSL_INIT_ENGINE_AFALG		_OPENSSL_INIT_FLAG_NOOP
560 #define OPENSSL_INIT_reserved_internal		_OPENSSL_INIT_FLAG_NOOP
561 #define OPENSSL_INIT_ATFORK			_OPENSSL_INIT_FLAG_NOOP
562 #define OPENSSL_INIT_ENGINE_ALL_BUILTIN		_OPENSSL_INIT_FLAG_NOOP
563 
564 int OPENSSL_init_crypto(uint64_t opts, const void *settings);
565 void OPENSSL_cleanup(void);
566 
567 #ifdef  __cplusplus
568 }
569 #endif
570 #endif
571