lib/libcrypto/crypto.h

   1 /* $OpenBSD: crypto.h,v 1.47 2018/08/24 19:16:03 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 /* A generic structure to pass assorted data in a expandable way */
 147 typedef struct openssl_item_st {
 148         int code;
 149         void *value;            /* Not used for flag attributes */
 150         size_t value_size;      /* Max size of value for output, length for input */
 151         size_t *value_length;   /* Returned length of value for output */
 152 } OPENSSL_ITEM;
 153
 154
 155 /* When changing the CRYPTO_LOCK_* list, be sure to maintain the text lock
 156  * names in cryptlib.c
 157  */
 158
 159 #define CRYPTO_LOCK_ERR                 1
 160 #define CRYPTO_LOCK_EX_DATA             2
 161 #define CRYPTO_LOCK_X509                3
 162 #define CRYPTO_LOCK_X509_INFO           4
 163 #define CRYPTO_LOCK_X509_PKEY           5
 164 #define CRYPTO_LOCK_X509_CRL            6
 165 #define CRYPTO_LOCK_X509_REQ            7
 166 #define CRYPTO_LOCK_DSA                 8
 167 #define CRYPTO_LOCK_RSA                 9
 168 #define CRYPTO_LOCK_EVP_PKEY            10
 169 #define CRYPTO_LOCK_X509_STORE          11
 170 #define CRYPTO_LOCK_SSL_CTX             12
 171 #define CRYPTO_LOCK_SSL_CERT            13
 172 #define CRYPTO_LOCK_SSL_SESSION         14
 173 #define CRYPTO_LOCK_SSL_SESS_CERT       15
 174 #define CRYPTO_LOCK_SSL                 16
 175 #define CRYPTO_LOCK_SSL_METHOD          17
 176 #define CRYPTO_LOCK_RAND                18
 177 #define CRYPTO_LOCK_RAND2               19
 178 #define CRYPTO_LOCK_MALLOC              20
 179 #define CRYPTO_LOCK_BIO                 21
 180 #define CRYPTO_LOCK_GETHOSTBYNAME       22
 181 #define CRYPTO_LOCK_GETSERVBYNAME       23
 182 #define CRYPTO_LOCK_READDIR             24
 183 #define CRYPTO_LOCK_RSA_BLINDING        25
 184 #define CRYPTO_LOCK_DH                  26
 185 #define CRYPTO_LOCK_MALLOC2             27
 186 #define CRYPTO_LOCK_DSO                 28
 187 #define CRYPTO_LOCK_DYNLOCK             29
 188 #define CRYPTO_LOCK_ENGINE              30
 189 #define CRYPTO_LOCK_UI                  31
 190 #define CRYPTO_LOCK_ECDSA               32
 191 #define CRYPTO_LOCK_EC                  33
 192 #define CRYPTO_LOCK_ECDH                34
 193 #define CRYPTO_LOCK_BN                  35
 194 #define CRYPTO_LOCK_EC_PRE_COMP         36
 195 #define CRYPTO_LOCK_STORE               37
 196 #define CRYPTO_LOCK_COMP                38
 197 #define CRYPTO_LOCK_FIPS                39
 198 #define CRYPTO_LOCK_FIPS2               40
 199 #define CRYPTO_NUM_LOCKS                41
 200
 201 #define CRYPTO_LOCK             1
 202 #define CRYPTO_UNLOCK           2
 203 #define CRYPTO_READ             4
 204 #define CRYPTO_WRITE            8
 205
 206 #ifndef OPENSSL_NO_LOCKING
 207 #ifndef CRYPTO_w_lock
 208 #define CRYPTO_w_lock(type)     \
 209         CRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE,type,__FILE__,__LINE__)
 210 #define CRYPTO_w_unlock(type)   \
 211         CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE,type,__FILE__,__LINE__)
 212 #define CRYPTO_r_lock(type)     \
 213         CRYPTO_lock(CRYPTO_LOCK|CRYPTO_READ,type,__FILE__,__LINE__)
 214 #define CRYPTO_r_unlock(type)   \
 215         CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_READ,type,__FILE__,__LINE__)
 216 #define CRYPTO_add(addr,amount,type)    \
 217         CRYPTO_add_lock(addr,amount,type,__FILE__,__LINE__)
 218 #endif
 219 #else
 220 #define CRYPTO_w_lock(a)
 221 #define CRYPTO_w_unlock(a)
 222 #define CRYPTO_r_lock(a)
 223 #define CRYPTO_r_unlock(a)
 224 #define CRYPTO_add(a,b,c)       ((*(a))+=(b))
 225 #endif
 226
 227 /* Some applications as well as some parts of OpenSSL need to allocate
 228    and deallocate locks in a dynamic fashion.  The following typedef
 229    makes this possible in a type-safe manner.  */
 230 /* struct CRYPTO_dynlock_value has to be defined by the application. */
 231 typedef struct {
 232         int references;
 233         struct CRYPTO_dynlock_value *data;
 234 } CRYPTO_dynlock;
 235
 236
 237 /* The following can be used to detect memory leaks in the SSLeay library.
 238  * It used, it turns on malloc checking */
 239
 240 #define CRYPTO_MEM_CHECK_OFF    0x0     /* an enume */
 241 #define CRYPTO_MEM_CHECK_ON     0x1     /* a bit */
 242 #define CRYPTO_MEM_CHECK_ENABLE 0x2     /* a bit */
 243 #define CRYPTO_MEM_CHECK_DISABLE 0x3    /* an enume */
 244
 245 /* The following are bit values to turn on or off options connected to the
 246  * malloc checking functionality */
 247
 248 /* Adds time to the memory checking information */
 249 #define V_CRYPTO_MDEBUG_TIME    0x1 /* a bit */
 250 /* Adds thread number to the memory checking information */
 251 #define V_CRYPTO_MDEBUG_THREAD  0x2 /* a bit */
 252
 253 #define V_CRYPTO_MDEBUG_ALL (V_CRYPTO_MDEBUG_TIME | V_CRYPTO_MDEBUG_THREAD)
 254
 255
 256 /* predec of the BIO type */
 257 typedef struct bio_st BIO_dummy;
 258
 259 struct crypto_ex_data_st {
 260         STACK_OF(void) *sk;
 261 };
 262 DECLARE_STACK_OF(void)
 263
 264 /* This stuff is basically class callback functions
 265  * The current classes are SSL_CTX, SSL, SSL_SESSION, and a few more */
 266
 267 typedef struct crypto_ex_data_func_st {
 268         long argl;      /* Arbitary long */
 269         void *argp;     /* Arbitary void * */
 270         CRYPTO_EX_new *new_func;
 271         CRYPTO_EX_free *free_func;
 272         CRYPTO_EX_dup *dup_func;
 273 } CRYPTO_EX_DATA_FUNCS;
 274
 275 DECLARE_STACK_OF(CRYPTO_EX_DATA_FUNCS)
 276
 277 /* Per class, we have a STACK of CRYPTO_EX_DATA_FUNCS for each CRYPTO_EX_DATA
 278  * entry.
 279  */
 280
 281 #define CRYPTO_EX_INDEX_BIO             0
 282 #define CRYPTO_EX_INDEX_SSL             1
 283 #define CRYPTO_EX_INDEX_SSL_CTX         2
 284 #define CRYPTO_EX_INDEX_SSL_SESSION     3
 285 #define CRYPTO_EX_INDEX_X509_STORE      4
 286 #define CRYPTO_EX_INDEX_X509_STORE_CTX  5
 287 #define CRYPTO_EX_INDEX_RSA             6
 288 #define CRYPTO_EX_INDEX_DSA             7
 289 #define CRYPTO_EX_INDEX_DH              8
 290 #define CRYPTO_EX_INDEX_ENGINE          9
 291 #define CRYPTO_EX_INDEX_X509            10
 292 #define CRYPTO_EX_INDEX_UI              11
 293 #define CRYPTO_EX_INDEX_ECDSA           12
 294 #define CRYPTO_EX_INDEX_ECDH            13
 295 #define CRYPTO_EX_INDEX_COMP            14
 296 #define CRYPTO_EX_INDEX_STORE           15
 297
 298 /* Dynamically assigned indexes start from this value (don't use directly, use
 299  * via CRYPTO_ex_data_new_class). */
 300 #define CRYPTO_EX_INDEX_USER            100
 301
 302 #ifndef LIBRESSL_INTERNAL
 303 #define CRYPTO_malloc_init()            (0)
 304 #define CRYPTO_malloc_debug_init()      (0)
 305
 306 #if defined CRYPTO_MDEBUG_ALL || defined CRYPTO_MDEBUG_TIME || defined CRYPTO_MDEBUG_THREAD
 307 # ifndef CRYPTO_MDEBUG /* avoid duplicate #define */
 308 #  define CRYPTO_MDEBUG
 309 # endif
 310 #endif
 311
 312 int CRYPTO_mem_ctrl(int mode);
 313 int CRYPTO_is_mem_check_on(void);
 314
 315 /* for applications */
 316 #define MemCheck_start() CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON)
 317 #define MemCheck_stop() CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_OFF)
 318
 319 #define OPENSSL_malloc(num)     CRYPTO_malloc((int)num,__FILE__,__LINE__)
 320 #define OPENSSL_strdup(str)     CRYPTO_strdup((str),__FILE__,__LINE__)
 321 #define OPENSSL_realloc(addr,num) \
 322         CRYPTO_realloc((char *)addr,(int)num,__FILE__,__LINE__)
 323 #define OPENSSL_realloc_clean(addr,old_num,num) \
 324         CRYPTO_realloc_clean(addr,old_num,num,__FILE__,__LINE__)
 325 #define OPENSSL_remalloc(addr,num) \
 326         CRYPTO_remalloc((char **)addr,(int)num,__FILE__,__LINE__)
 327 #define OPENSSL_freeFunc        CRYPTO_free
 328 #define OPENSSL_free(addr)      CRYPTO_free(addr)
 329
 330 #define OPENSSL_malloc_locked(num) \
 331         CRYPTO_malloc_locked((int)num,__FILE__,__LINE__)
 332 #define OPENSSL_free_locked(addr) CRYPTO_free_locked(addr)
 333 #endif
 334
 335 const char *OpenSSL_version(int type);
 336 #define OPENSSL_VERSION         0
 337 #define OPENSSL_CFLAGS          1
 338 #define OPENSSL_BUILT_ON        2
 339 #define OPENSSL_PLATFORM        3
 340 #define OPENSSL_DIR             4
 341 #define OPENSSL_ENGINES_DIR     5
 342 unsigned long OpenSSL_version_num(void);
 343
 344 const char *SSLeay_version(int type);
 345 unsigned long SSLeay(void);
 346
 347 /* An opaque type representing an implementation of "ex_data" support */
 348 typedef struct st_CRYPTO_EX_DATA_IMPL   CRYPTO_EX_DATA_IMPL;
 349 /* Return an opaque pointer to the current "ex_data" implementation */
 350 const CRYPTO_EX_DATA_IMPL *CRYPTO_get_ex_data_implementation(void);
 351 /* Sets the "ex_data" implementation to be used (if it's not too late) */
 352 int CRYPTO_set_ex_data_implementation(const CRYPTO_EX_DATA_IMPL *i);
 353 /* Get a new "ex_data" class, and return the corresponding "class_index" */
 354 int CRYPTO_ex_data_new_class(void);
 355 /* Within a given class, get/register a new index */
 356 int CRYPTO_get_ex_new_index(int class_index, long argl, void *argp,
 357     CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
 358     CRYPTO_EX_free *free_func);
 359 /* Initialise/duplicate/free CRYPTO_EX_DATA variables corresponding to a given
 360  * class (invokes whatever per-class callbacks are applicable) */
 361 int CRYPTO_new_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
 362 int CRYPTO_dup_ex_data(int class_index, CRYPTO_EX_DATA *to,
 363     CRYPTO_EX_DATA *from);
 364 void CRYPTO_free_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
 365 /* Get/set data in a CRYPTO_EX_DATA variable corresponding to a particular index
 366  * (relative to the class type involved) */
 367 int CRYPTO_set_ex_data(CRYPTO_EX_DATA *ad, int idx, void *val);
 368 void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx);
 369 /* This function cleans up all "ex_data" state. It mustn't be called under
 370  * potential race-conditions. */
 371 void CRYPTO_cleanup_all_ex_data(void);
 372
 373 int CRYPTO_get_new_lockid(char *name);
 374
 375 int CRYPTO_num_locks(void); /* return CRYPTO_NUM_LOCKS (shared libs!) */
 376 void CRYPTO_lock(int mode, int type, const char *file, int line);
 377 void CRYPTO_set_locking_callback(void (*func)(int mode, int type,
 378     const char *file, int line));
 379 void (*CRYPTO_get_locking_callback(void))(int mode, int type,
 380     const char *file, int line);
 381 void CRYPTO_set_add_lock_callback(int (*func)(int *num, int mount, int type,
 382     const char *file, int line));
 383 int (*CRYPTO_get_add_lock_callback(void))(int *num, int mount, int type,
 384     const char *file, int line);
 385
 386 /* Don't use this structure directly. */
 387 typedef struct crypto_threadid_st {
 388         void *ptr;
 389         unsigned long val;
 390 } CRYPTO_THREADID;
 391 /* Only use CRYPTO_THREADID_set_[numeric|pointer]() within callbacks */
 392 void CRYPTO_THREADID_set_numeric(CRYPTO_THREADID *id, unsigned long val);
 393 void CRYPTO_THREADID_set_pointer(CRYPTO_THREADID *id, void *ptr);
 394 int CRYPTO_THREADID_set_callback(void (*threadid_func)(CRYPTO_THREADID *));
 395 void (*CRYPTO_THREADID_get_callback(void))(CRYPTO_THREADID *);
 396 void CRYPTO_THREADID_current(CRYPTO_THREADID *id);
 397 int CRYPTO_THREADID_cmp(const CRYPTO_THREADID *a, const CRYPTO_THREADID *b);
 398 void CRYPTO_THREADID_cpy(CRYPTO_THREADID *dest, const CRYPTO_THREADID *src);
 399 unsigned long CRYPTO_THREADID_hash(const CRYPTO_THREADID *id);
 400 #ifndef OPENSSL_NO_DEPRECATED
 401 void CRYPTO_set_id_callback(unsigned long (*func)(void));
 402 unsigned long (*CRYPTO_get_id_callback(void))(void);
 403 unsigned long CRYPTO_thread_id(void);
 404 #endif
 405
 406 const char *CRYPTO_get_lock_name(int type);
 407 int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file,
 408     int line);
 409
 410 int CRYPTO_get_new_dynlockid(void);
 411 void CRYPTO_destroy_dynlockid(int i);
 412 struct CRYPTO_dynlock_value *CRYPTO_get_dynlock_value(int i);
 413 void CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value *(*dyn_create_function)(const char *file, int line));
 414 void CRYPTO_set_dynlock_lock_callback(void (*dyn_lock_function)(int mode, struct CRYPTO_dynlock_value *l, const char *file, int line));
 415 void CRYPTO_set_dynlock_destroy_callback(void (*dyn_destroy_function)(struct CRYPTO_dynlock_value *l, const char *file, int line));
 416 struct CRYPTO_dynlock_value *(*CRYPTO_get_dynlock_create_callback(void))(const char *file, int line);
 417 void (*CRYPTO_get_dynlock_lock_callback(void))(int mode, struct CRYPTO_dynlock_value *l, const char *file, int line);
 418 void (*CRYPTO_get_dynlock_destroy_callback(void))(struct CRYPTO_dynlock_value *l, const char *file, int line);
 419
 420 /* CRYPTO_set_mem_functions includes CRYPTO_set_locked_mem_functions --
 421  * call the latter last if you need different functions */
 422 int CRYPTO_set_mem_functions(void *(*m)(size_t), void *(*r)(void *, size_t), void (*f)(void *));
 423 int CRYPTO_set_locked_mem_functions(void *(*m)(size_t), void (*free_func)(void *));
 424 int CRYPTO_set_mem_ex_functions(void *(*m)(size_t, const char *, int),
 425     void *(*r)(void *, size_t, const char *, int), void (*f)(void *));
 426 int CRYPTO_set_locked_mem_ex_functions(void *(*m)(size_t, const char *, int),
 427     void (*free_func)(void *));
 428 int CRYPTO_set_mem_debug_functions(
 429     void (*m)(void *, int, const char *, int, int),
 430     void (*r)(void *, void *, int, const char *, int, int),
 431     void (*f)(void *, int), void (*so)(long), long (*go)(void));
 432 void CRYPTO_get_mem_functions(void *(**m)(size_t), void *(**r)(void *, size_t),
 433     void (**f)(void *));
 434 void CRYPTO_get_locked_mem_functions(void *(**m)(size_t), void (**f)(void *));
 435 void CRYPTO_get_mem_ex_functions(void *(**m)(size_t, const char *, int),
 436     void *(**r)(void *, size_t, const char *, int), void (**f)(void *));
 437 void CRYPTO_get_locked_mem_ex_functions(void *(**m)(size_t, const char *, int),
 438     void (**f)(void *));
 439 void CRYPTO_get_mem_debug_functions(
 440     void (**m)(void *, int, const char *, int, int),
 441     void (**r)(void *, void *, int, const char *, int, int),
 442     void (**f)(void *, int), void (**so)(long), long (**go)(void));
 443
 444 #ifndef LIBRESSL_INTERNAL
 445 void *CRYPTO_malloc_locked(int num, const char *file, int line);
 446 void CRYPTO_free_locked(void *ptr);
 447 void *CRYPTO_malloc(int num, const char *file, int line);
 448 char *CRYPTO_strdup(const char *str, const char *file, int line);
 449 void CRYPTO_free(void *ptr);
 450 void *CRYPTO_realloc(void *addr, int num, const char *file, int line);
 451 #endif
 452
 453 void *CRYPTO_realloc_clean(void *addr, int old_num, int num,
 454     const char *file, int line);
 455 void *CRYPTO_remalloc(void *addr, int num, const char *file, int line);
 456
 457 #ifndef LIBRESSL_INTERNAL
 458 void OPENSSL_cleanse(void *ptr, size_t len);
 459 #endif
 460
 461 void CRYPTO_set_mem_debug_options(long bits);
 462 long CRYPTO_get_mem_debug_options(void);
 463
 464 #define CRYPTO_push_info(info) \
 465         CRYPTO_push_info_(info, __FILE__, __LINE__);
 466 int CRYPTO_push_info_(const char *info, const char *file, int line);
 467 int CRYPTO_pop_info(void);
 468 int CRYPTO_remove_all_info(void);
 469
 470
 471 /* Default debugging functions (enabled by CRYPTO_malloc_debug_init() macro;
 472  * used as default in CRYPTO_MDEBUG compilations): */
 473 /* The last argument has the following significance:
 474  *
 475  * 0:   called before the actual memory allocation has taken place
 476  * 1:   called after the actual memory allocation has taken place
 477  */
 478 void CRYPTO_dbg_malloc(void *addr, int num, const char *file, int line, int before_p)
 479         __attribute__ ((deprecated));
 480 void CRYPTO_dbg_realloc(void *addr1, void *addr2, int num, const char *file, int line, int before_p)
 481         __attribute__ ((deprecated));
 482 void CRYPTO_dbg_free(void *addr, int before_p)
 483         __attribute__ ((deprecated));
 484 /* Tell the debugging code about options.  By default, the following values
 485  * apply:
 486  *
 487  * 0:                           Clear all options.
 488  * V_CRYPTO_MDEBUG_TIME (1):    Set the "Show Time" option.
 489  * V_CRYPTO_MDEBUG_THREAD (2):  Set the "Show Thread Number" option.
 490  * V_CRYPTO_MDEBUG_ALL (3):     1 + 2
 491  */
 492 void CRYPTO_dbg_set_options(long bits)
 493         __attribute__ ((deprecated));
 494 long CRYPTO_dbg_get_options(void)
 495         __attribute__ ((deprecated));
 496
 497
 498 int CRYPTO_mem_leaks_fp(FILE *);
 499 int CRYPTO_mem_leaks(struct bio_st *bio);
 500 /* unsigned long order, char *file, int line, int num_bytes, char *addr */
 501 typedef int *CRYPTO_MEM_LEAK_CB(unsigned long, const char *, int, int, void *);
 502 int CRYPTO_mem_leaks_cb(CRYPTO_MEM_LEAK_CB *cb);
 503
 504 /* die if we have to */
 505 void OpenSSLDie(const char *file, int line, const char *assertion);
 506 #define OPENSSL_assert(e)       (void)((e) ? 0 : (OpenSSLDie(__FILE__, __LINE__, #e),1))
 507
 508 uint64_t OPENSSL_cpu_caps(void);
 509
 510 int OPENSSL_isservice(void);
 511
 512 #ifndef LIBRESSL_INTERNAL
 513 void OPENSSL_init(void);
 514
 515 /* CRYPTO_memcmp returns zero iff the |len| bytes at |a| and |b| are equal. It
 516  * takes an amount of time dependent on |len|, but independent of the contents
 517  * of |a| and |b|. Unlike memcmp, it cannot be used to put elements into a
 518  * defined order as the return value when a != b is undefined, other than to be
 519  * non-zero. */
 520 int CRYPTO_memcmp(const void *a, const void *b, size_t len);
 521 #endif
 522
 523 /* BEGIN ERROR CODES */
 524 /* The following lines are auto generated by the script mkerr.pl. Any changes
 525  * made after this point may be overwritten when the script is next run.
 526  */
 527 void ERR_load_CRYPTO_strings(void);
 528
 529 /* Error codes for the CRYPTO functions. */
 530
 531 /* Function codes. */
 532 #define CRYPTO_F_CRYPTO_GET_EX_NEW_INDEX                 100
 533 #define CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID                103
 534 #define CRYPTO_F_CRYPTO_GET_NEW_LOCKID                   101
 535 #define CRYPTO_F_CRYPTO_SET_EX_DATA                      102
 536 #define CRYPTO_F_DEF_ADD_INDEX                           104
 537 #define CRYPTO_F_DEF_GET_CLASS                           105
 538 #define CRYPTO_F_FIPS_MODE_SET                           109
 539 #define CRYPTO_F_INT_DUP_EX_DATA                         106
 540 #define CRYPTO_F_INT_FREE_EX_DATA                        107
 541 #define CRYPTO_F_INT_NEW_EX_DATA                         108
 542
 543 /* Reason codes. */
 544 #define CRYPTO_R_FIPS_MODE_NOT_SUPPORTED                 101
 545 #define CRYPTO_R_NO_DYNLOCK_CREATE_CALLBACK              100
 546
 547 /*
 548  * OpenSSL compatible OPENSSL_INIT options.
 549  */
 550
 551 #define OPENSSL_INIT_NO_LOAD_CONFIG             0x00000001L
 552 #define OPENSSL_INIT_LOAD_CONFIG                0x00000002L
 553
 554 /* LibreSSL specific */
 555 #define _OPENSSL_INIT_FLAG_NOOP                 0x80000000L
 556
 557 /*
 558  * These are provided for compatibiliy, but have no effect
 559  * on how LibreSSL is initialized.
 560  */
 561 #define OPENSSL_INIT_NO_LOAD_CRYPTO_STRINGS     _OPENSSL_INIT_FLAG_NOOP
 562 #define OPENSSL_INIT_LOAD_CRYPTO_STRINGS        _OPENSSL_INIT_FLAG_NOOP
 563 #define OPENSSL_INIT_ADD_ALL_CIPHERS            _OPENSSL_INIT_FLAG_NOOP
 564 #define OPENSSL_INIT_ADD_ALL_DIGESTS            _OPENSSL_INIT_FLAG_NOOP
 565 #define OPENSSL_INIT_NO_ADD_ALL_CIPHERS         _OPENSSL_INIT_FLAG_NOOP
 566 #define OPENSSL_INIT_NO_ADD_ALL_DIGESTS         _OPENSSL_INIT_FLAG_NOOP
 567 #define OPENSSL_INIT_ASYNC                      _OPENSSL_INIT_FLAG_NOOP
 568 #define OPENSSL_INIT_ENGINE_RDRAND              _OPENSSL_INIT_FLAG_NOOP
 569 #define OPENSSL_INIT_ENGINE_DYNAMIC             _OPENSSL_INIT_FLAG_NOOP
 570 #define OPENSSL_INIT_ENGINE_OPENSSL             _OPENSSL_INIT_FLAG_NOOP
 571 #define OPENSSL_INIT_ENGINE_CRYPTODEV           _OPENSSL_INIT_FLAG_NOOP
 572 #define OPENSSL_INIT_ENGINE_CAPI                _OPENSSL_INIT_FLAG_NOOP
 573 #define OPENSSL_INIT_ENGINE_PADLOCK             _OPENSSL_INIT_FLAG_NOOP
 574 #define OPENSSL_INIT_ENGINE_AFALG               _OPENSSL_INIT_FLAG_NOOP
 575 #define OPENSSL_INIT_reserved_internal          _OPENSSL_INIT_FLAG_NOOP
 576 #define OPENSSL_INIT_ATFORK                     _OPENSSL_INIT_FLAG_NOOP
 577 #define OPENSSL_INIT_ENGINE_ALL_BUILTIN         _OPENSSL_INIT_FLAG_NOOP
 578
 579 int OPENSSL_init_crypto(uint64_t opts, const void *settings);
 580
 581 #ifdef  __cplusplus
 582 }
 583 #endif
 584 #endif