include/openssl/crypto.h

   1 /* ====================================================================
   2  * Copyright (c) 1998-2016 The OpenSSL Project.  All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  *
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  *
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in
  13  *    the documentation and/or other materials provided with the
  14  *    distribution.
  15  *
  16  * 3. All advertising materials mentioning features or use of this
  17  *    software must display the following acknowledgment:
  18  *    "This product includes software developed by the OpenSSL Project
  19  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  20  *
  21  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  22  *    endorse or promote products derived from this software without
  23  *    prior written permission. For written permission, please contact
  24  *    openssl-core@openssl.org.
  25  *
  26  * 5. Products derived from this software may not be called "OpenSSL"
  27  *    nor may "OpenSSL" appear in their names without prior written
  28  *    permission of the OpenSSL Project.
  29  *
  30  * 6. Redistributions of any form whatsoever must retain the following
  31  *    acknowledgment:
  32  *    "This product includes software developed by the OpenSSL Project
  33  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  34  *
  35  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  36  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  37  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  38  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  39  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  40  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  41  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  42  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  43  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  44  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  45  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  46  * OF THE POSSIBILITY OF SUCH DAMAGE.
  47  * ====================================================================
  48  *
  49  * This product includes cryptographic software written by Eric Young
  50  * (eay@cryptsoft.com).  This product includes software written by Tim
  51  * Hudson (tjh@cryptsoft.com).
  52  *
  53  */
  54 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  55  * All rights reserved.
  56  *
  57  * This package is an SSL implementation written
  58  * by Eric Young (eay@cryptsoft.com).
  59  * The implementation was written so as to conform with Netscapes SSL.
  60  *
  61  * This library is free for commercial and non-commercial use as long as
  62  * the following conditions are aheared to.  The following conditions
  63  * apply to all code found in this distribution, be it the RC4, RSA,
  64  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  65  * included with this distribution is covered by the same copyright terms
  66  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  67  *
  68  * Copyright remains Eric Young's, and as such any Copyright notices in
  69  * the code are not to be removed.
  70  * If this package is used in a product, Eric Young should be given attribution
  71  * as the author of the parts of the library used.
  72  * This can be in the form of a textual message at program startup or
  73  * in documentation (online or textual) provided with the package.
  74  *
  75  * Redistribution and use in source and binary forms, with or without
  76  * modification, are permitted provided that the following conditions
  77  * are met:
  78  * 1. Redistributions of source code must retain the copyright
  79  *    notice, this list of conditions and the following disclaimer.
  80  * 2. Redistributions in binary form must reproduce the above copyright
  81  *    notice, this list of conditions and the following disclaimer in the
  82  *    documentation and/or other materials provided with the distribution.
  83  * 3. All advertising materials mentioning features or use of this software
  84  *    must display the following acknowledgement:
  85  *    "This product includes cryptographic software written by
  86  *     Eric Young (eay@cryptsoft.com)"
  87  *    The word 'cryptographic' can be left out if the rouines from the library
  88  *    being used are not cryptographic related :-).
  89  * 4. If you include any Windows specific code (or a derivative thereof) from
  90  *    the apps directory (application code) you must include an acknowledgement:
  91  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  92  *
  93  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  94  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  95  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  96  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  97  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  98  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  99  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 101  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 102  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 103  * SUCH DAMAGE.
 104  *
 105  * The licence and distribution terms for any publically available version or
 106  * derivative of this code cannot be changed.  i.e. this code cannot simply be
 107  * copied and put under another distribution licence
 108  * [including the GNU Public Licence.]
 109  */
 110 /* ====================================================================
 111  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 112  * ECDH support in OpenSSL originally developed by
 113  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 114  */
 115
 116 #ifndef HEADER_CRYPTO_H
 117 # define HEADER_CRYPTO_H
 118
 119 # include <stdlib.h>
 120 # include <time.h>
 121
 122 # include <openssl/e_os2.h>
 123
 124 # ifndef OPENSSL_NO_STDIO
 125 #  include <stdio.h>
 126 # endif
 127
 128 # include <openssl/stack.h>
 129 # include <openssl/safestack.h>
 130 # include <openssl/opensslv.h>
 131 # include <openssl/ossl_typ.h>
 132 # include <openssl/opensslconf.h>
 133
 134 # ifdef CHARSET_EBCDIC
 135 #  include <openssl/ebcdic.h>
 136 # endif
 137
 138 /*
 139  * Resolve problems on some operating systems with symbol names that clash
 140  * one way or another
 141  */
 142 # include <openssl/symhacks.h>
 143
 144 # if OPENSSL_API_COMPAT < 0x10100000L
 145 #  include <openssl/opensslv.h>
 146 # endif
 147
 148 #ifdef  __cplusplus
 149 extern "C" {
 150 #endif
 151
 152 # if OPENSSL_API_COMPAT < 0x10100000L
 153 #  define SSLeay                  OpenSSL_version_num
 154 #  define SSLeay_version          OpenSSL_version
 155 #  define SSLEAY_VERSION_NUMBER   OPENSSL_VERSION_NUMBER
 156 #  define SSLEAY_VERSION          OPENSSL_VERSION
 157 #  define SSLEAY_CFLAGS           OPENSSL_CFLAGS
 158 #  define SSLEAY_BUILT_ON         OPENSSL_BUILT_ON
 159 #  define SSLEAY_PLATFORM         OPENSSL_PLATFORM
 160 #  define SSLEAY_DIR              OPENSSL_DIR
 161 # endif /* OPENSSL_API_COMPAT */
 162
 163 /*
 164  * When changing the CRYPTO_LOCK_* list, be sure to maintin the text lock
 165  * names in cryptlib.c
 166  */
 167
 168 # define CRYPTO_LOCK_ERR                 1
 169 # define CRYPTO_LOCK_EX_DATA             2
 170 # define CRYPTO_LOCK_X509                3
 171 # define CRYPTO_LOCK_X509_INFO           4
 172 # define CRYPTO_LOCK_X509_PKEY           5
 173 # define CRYPTO_LOCK_X509_CRL            6
 174 # define CRYPTO_LOCK_X509_REQ            7
 175 # define CRYPTO_LOCK_DSA                 8
 176 # define CRYPTO_LOCK_RSA                 9
 177 # define CRYPTO_LOCK_EVP_PKEY            10
 178 # define CRYPTO_LOCK_X509_STORE          11
 179 # define CRYPTO_LOCK_SSL_CTX             12
 180 # define CRYPTO_LOCK_SSL_CERT            13
 181 # define CRYPTO_LOCK_SSL_SESSION         14
 182 # define CRYPTO_LOCK_SSL_SESS_CERT       15
 183 # define CRYPTO_LOCK_SSL                 16
 184 # define CRYPTO_LOCK_SSL_METHOD          17
 185 # define CRYPTO_LOCK_RAND                18
 186 # define CRYPTO_LOCK_RAND2               19
 187 # define CRYPTO_LOCK_MALLOC              20
 188 # define CRYPTO_LOCK_BIO                 21
 189 # define CRYPTO_LOCK_GETHOSTBYNAME       22
 190 # define CRYPTO_LOCK_GETSERVBYNAME       23
 191 # define CRYPTO_LOCK_READDIR             24
 192 # define CRYPTO_LOCK_RSA_BLINDING        25
 193 # define CRYPTO_LOCK_DH                  26
 194 # define CRYPTO_LOCK_MALLOC2             27
 195 # define CRYPTO_LOCK_DSO                 28
 196 # define CRYPTO_LOCK_DYNLOCK             29
 197 # define CRYPTO_LOCK_ENGINE              30
 198 # define CRYPTO_LOCK_UI                  31
 199 # define CRYPTO_LOCK_ECDSA               32
 200 # define CRYPTO_LOCK_EC                  33
 201 # define CRYPTO_LOCK_ECDH                34
 202 # define CRYPTO_LOCK_BN                  35
 203 # define CRYPTO_LOCK_EC_PRE_COMP         36
 204 # define CRYPTO_LOCK_STORE               37
 205 # define CRYPTO_LOCK_COMP                38
 206 # define CRYPTO_LOCK_FIPS                39
 207 # define CRYPTO_LOCK_FIPS2               40
 208 # define CRYPTO_LOCK_INIT                41
 209 # define CRYPTO_NUM_LOCKS                42
 210
 211 # define CRYPTO_LOCK             1
 212 # define CRYPTO_UNLOCK           2
 213 # define CRYPTO_READ             4
 214 # define CRYPTO_WRITE            8
 215
 216 # ifndef OPENSSL_NO_LOCKING
 217 #  ifndef CRYPTO_w_lock
 218 #   define CRYPTO_w_lock(type)     \
 219         CRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE,type,__FILE__,__LINE__)
 220 #   define CRYPTO_w_unlock(type)   \
 221         CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE,type,__FILE__,__LINE__)
 222 #   define CRYPTO_r_lock(type)     \
 223         CRYPTO_lock(CRYPTO_LOCK|CRYPTO_READ,type,__FILE__,__LINE__)
 224 #   define CRYPTO_r_unlock(type)   \
 225         CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_READ,type,__FILE__,__LINE__)
 226 #   define CRYPTO_add(addr,amount,type)    \
 227         CRYPTO_add_lock(addr,amount,type,__FILE__,__LINE__)
 228 #  endif
 229 # else
 230 #  define CRYPTO_w_lock(a)
 231 #  define CRYPTO_w_unlock(a)
 232 #  define CRYPTO_r_lock(a)
 233 #  define CRYPTO_r_unlock(a)
 234 #  define CRYPTO_add(a,b,c)       ((*(a))+=(b))
 235 # endif
 236
 237 /*
 238  * Some applications as well as some parts of OpenSSL need to allocate and
 239  * deallocate locks in a dynamic fashion.  The following typedef makes this
 240  * possible in a type-safe manner.
 241  * struct CRYPTO_dynlock_value has to be defined by the application.
 242  */
 243 typedef struct {
 244     int references;
 245     struct CRYPTO_dynlock_value *data;
 246 } CRYPTO_dynlock;
 247
 248 /*
 249  * The following can be used to detect memory leaks in the library. If
 250  * used, it turns on malloc checking
 251  */
 252 # define CRYPTO_MEM_CHECK_OFF     0x0   /* Control only */
 253 # define CRYPTO_MEM_CHECK_ON      0x1   /* Control and mode bit */
 254 # define CRYPTO_MEM_CHECK_ENABLE  0x2   /* Control and mode bit */
 255 # define CRYPTO_MEM_CHECK_DISABLE 0x3   /* Control only */
 256
 257 /* predec of the BIO type */
 258 typedef struct bio_st BIO_dummy;
 259
 260 struct crypto_ex_data_st {
 261     STACK_OF(void) *sk;
 262 };
 263 DEFINE_STACK_OF(void)
 264
 265 /*
 266  * Per class, we have a STACK of function pointers.
 267  */
 268 # define CRYPTO_EX_INDEX_SSL              0
 269 # define CRYPTO_EX_INDEX_SSL_CTX          1
 270 # define CRYPTO_EX_INDEX_SSL_SESSION      2
 271 # define CRYPTO_EX_INDEX_X509             3
 272 # define CRYPTO_EX_INDEX_X509_STORE       4
 273 # define CRYPTO_EX_INDEX_X509_STORE_CTX   5
 274 # define CRYPTO_EX_INDEX_DH               6
 275 # define CRYPTO_EX_INDEX_DSA              7
 276 # define CRYPTO_EX_INDEX_EC_KEY           8
 277 # define CRYPTO_EX_INDEX_RSA              9
 278 # define CRYPTO_EX_INDEX_ENGINE          10
 279 # define CRYPTO_EX_INDEX_UI              11
 280 # define CRYPTO_EX_INDEX_BIO             12
 281 # define CRYPTO_EX_INDEX_STORE           13
 282 # define CRYPTO_EX_INDEX_APP             14
 283 # define CRYPTO_EX_INDEX__COUNT          15
 284
 285 /*
 286  * This is the default callbacks, but we can have others as well: this is
 287  * needed in Win32 where the application malloc and the library malloc may
 288  * not be the same.
 289  */
 290 #define OPENSSL_malloc_init() \
 291     CRYPTO_set_mem_functions(CRYPTO_malloc, CRYPTO_realloc, CRYPTO_free)
 292
 293 int CRYPTO_mem_ctrl(int mode);
 294
 295 # ifndef OPENSSL_NO_CRYPTO_MDEBUG
 296 #  define OPENSSL_malloc(num) \
 297         CRYPTO_malloc(num, __FILE__, __LINE__)
 298 #  define OPENSSL_zalloc(num) \
 299         CRYPTO_zalloc(num, __FILE__, __LINE__)
 300 #  define OPENSSL_realloc(addr, num) \
 301         CRYPTO_realloc(addr, num, __FILE__, __LINE__)
 302 #  define OPENSSL_clear_realloc(addr, old_num, num) \
 303         CRYPTO_clear_realloc(addr, old_num, num, __FILE__, __LINE__)
 304 #  define OPENSSL_clear_free(addr, num) \
 305         CRYPTO_clear_free(addr, num)
 306 #  define OPENSSL_free(addr) \
 307         CRYPTO_free(addr)
 308 #  define OPENSSL_memdup(str, s) \
 309         CRYPTO_memdup((str), s, __FILE__, __LINE__)
 310 #  define OPENSSL_strdup(str) \
 311         CRYPTO_strdup(str, __FILE__, __LINE__)
 312 #  define OPENSSL_strndup(str, n) \
 313         CRYPTO_strndup(str, n, __FILE__, __LINE__)
 314 #  define OPENSSL_secure_malloc(num) \
 315         CRYPTO_secure_malloc(num, __FILE__, __LINE__)
 316 #  define OPENSSL_secure_zalloc(num) \
 317         CRYPTO_secure_zalloc(num, __FILE__, __LINE__)
 318 #  define OPENSSL_secure_free(addr) \
 319         CRYPTO_secure_free(addr)
 320 #  define OPENSSL_secure_actual_size(ptr) \
 321         CRYPTO_secure_actual_size(ptr)
 322 # else
 323 #  define OPENSSL_malloc(num) \
 324         CRYPTO_malloc(num, NULL, 0)
 325 #  define OPENSSL_zalloc(num) \
 326         CRYPTO_zalloc(num, NULL, 0)
 327 #  define OPENSSL_realloc(addr, num) \
 328         CRYPTO_realloc(addr, num, NULL, 0)
 329 #  define OPENSSL_clear_realloc(addr, old_num, num) \
 330         CRYPTO_clear_realloc(addr, old_num, num, NULL, 0)
 331 #  define OPENSSL_clear_free(addr, num) \
 332         CRYPTO_clear_free(addr, num)
 333 #  define OPENSSL_free(addr) \
 334         CRYPTO_free(addr)
 335 #  define OPENSSL_memdup(str, s) \
 336         CRYPTO_memdup(str, s, NULL, 0)
 337 #  define OPENSSL_strdup(str) \
 338         CRYPTO_strdup(str, NULL, 0)
 339 #  define OPENSSL_strndup(str, s) \
 340         CRYPTO_strndup(str, s, NULL, 0)
 341 #  define OPENSSL_secure_malloc(num) \
 342         CRYPTO_secure_malloc(num, NULL, 0)
 343 #  define OPENSSL_secure_zalloc(num) \
 344         CRYPTO_secure_zalloc(num, NULL, 0)
 345 #  define OPENSSL_secure_free(addr) \
 346         CRYPTO_secure_free(addr)
 347 #  define OPENSSL_secure_actual_size(ptr) \
 348         CRYPTO_secure_actual_size(ptr)
 349
 350 # endif
 351
 352 size_t OPENSSL_strlcpy(char *dst, const char *src, size_t siz);
 353 size_t OPENSSL_strlcat(char *dst, const char *src, size_t siz);
 354 size_t OPENSSL_strnlen(const char *str, size_t maxlen);
 355
 356 # define OPENSSL_MALLOC_MAX_NELEMS(type)  (((1U<<(sizeof(int)*8-1))-1)/sizeof(type))
 357
 358 unsigned long OpenSSL_version_num(void);
 359 const char *OpenSSL_version(int type);
 360 # define OPENSSL_VERSION          0
 361 # define OPENSSL_CFLAGS           1
 362 # define OPENSSL_BUILT_ON         2
 363 # define OPENSSL_PLATFORM         3
 364 # define OPENSSL_DIR              4
 365
 366 int OPENSSL_issetugid(void);
 367
 368 typedef void CRYPTO_EX_new (void *parent, void *ptr, CRYPTO_EX_DATA *ad,
 369                            int idx, long argl, void *argp);
 370 typedef void CRYPTO_EX_free (void *parent, void *ptr, CRYPTO_EX_DATA *ad,
 371                              int idx, long argl, void *argp);
 372 typedef int CRYPTO_EX_dup (CRYPTO_EX_DATA *to, CRYPTO_EX_DATA *from,
 373                            void *srcp, int idx, long argl, void *argp);
 374 __owur int CRYPTO_get_ex_new_index(int class_index, long argl, void *argp,
 375                             CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
 376                             CRYPTO_EX_free *free_func);
 377 /* No longer use an index. */
 378 int CRYPTO_free_ex_index(int class_index, int idx);
 379
 380 /*
 381  * Initialise/duplicate/free CRYPTO_EX_DATA variables corresponding to a
 382  * given class (invokes whatever per-class callbacks are applicable)
 383  */
 384 int CRYPTO_new_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
 385 int CRYPTO_dup_ex_data(int class_index, CRYPTO_EX_DATA *to,
 386                        CRYPTO_EX_DATA *from);
 387
 388 void CRYPTO_free_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
 389
 390 /*
 391  * Get/set data in a CRYPTO_EX_DATA variable corresponding to a particular
 392  * index (relative to the class type involved)
 393  */
 394 int CRYPTO_set_ex_data(CRYPTO_EX_DATA *ad, int idx, void *val);
 395 void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx);
 396 /*
 397  * This function cleans up all "ex_data" state. It mustn't be called under
 398  * potential race-conditions.
 399  */
 400 void CRYPTO_cleanup_all_ex_data(void);
 401
 402 int CRYPTO_get_new_lockid(char *name);
 403
 404 int CRYPTO_num_locks(void);     /* return CRYPTO_NUM_LOCKS (shared libs!) */
 405 void CRYPTO_lock(int mode, int type, const char *file, int line);
 406 void CRYPTO_set_locking_callback(void (*func) (int mode, int type,
 407                                                const char *file, int line));
 408 void (*CRYPTO_get_locking_callback(void)) (int mode, int type,
 409                                            const char *file, int line);
 410 void CRYPTO_set_add_lock_callback(int (*func)
 411                                    (int *num, int mount, int type,
 412                                     const char *file, int line));
 413 int (*CRYPTO_get_add_lock_callback(void)) (int *num, int mount, int type,
 414                                            const char *file, int line);
 415
 416 /* Don't use this structure directly. */
 417 typedef struct crypto_threadid_st {
 418     void *ptr;
 419     unsigned long val;
 420 } CRYPTO_THREADID;
 421 /* Only use CRYPTO_THREADID_set_[numeric|pointer]() within callbacks */
 422 void CRYPTO_THREADID_set_numeric(CRYPTO_THREADID *id, unsigned long val);
 423 void CRYPTO_THREADID_set_pointer(CRYPTO_THREADID *id, void *ptr);
 424 int CRYPTO_THREADID_set_callback(void (*threadid_func) (CRYPTO_THREADID *));
 425 void (*CRYPTO_THREADID_get_callback(void)) (CRYPTO_THREADID *);
 426 void CRYPTO_THREADID_current(CRYPTO_THREADID *id);
 427 int CRYPTO_THREADID_cmp(const CRYPTO_THREADID *a, const CRYPTO_THREADID *b);
 428 void CRYPTO_THREADID_cpy(CRYPTO_THREADID *dest, const CRYPTO_THREADID *src);
 429 unsigned long CRYPTO_THREADID_hash(const CRYPTO_THREADID *id);
 430 DEPRECATEDIN_1_0_0(void CRYPTO_set_id_callback(unsigned long (*func) (void)))
 431 DEPRECATEDIN_1_0_0(unsigned long (*CRYPTO_get_id_callback(void)) (void))
 432 DEPRECATEDIN_1_0_0(unsigned long CRYPTO_thread_id(void))
 433
 434 const char *CRYPTO_get_lock_name(int type);
 435 int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file,
 436                     int line);
 437
 438 int CRYPTO_get_new_dynlockid(void);
 439 void CRYPTO_destroy_dynlockid(int i);
 440 struct CRYPTO_dynlock_value *CRYPTO_get_dynlock_value(int i);
 441 void CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value
 442                                         *(*dyn_create_function) (const char
 443                                                                  *file,
 444                                                                  int line));
 445 void CRYPTO_set_dynlock_lock_callback(void (*dyn_lock_function)
 446                                        (int mode,
 447                                         struct CRYPTO_dynlock_value *l,
 448                                         const char *file, int line));
 449 void CRYPTO_set_dynlock_destroy_callback(void (*dyn_destroy_function)
 450                                           (struct CRYPTO_dynlock_value *l,
 451                                            const char *file, int line));
 452 struct CRYPTO_dynlock_value
 453 *(*CRYPTO_get_dynlock_create_callback(void)) (const char *file, int line);
 454 void (*CRYPTO_get_dynlock_lock_callback(void)) (int mode,
 455                                                 struct CRYPTO_dynlock_value
 456                                                 *l, const char *file,
 457                                                 int line);
 458 void (*CRYPTO_get_dynlock_destroy_callback(void)) (struct CRYPTO_dynlock_value
 459                                                    *l, const char *file,
 460                                                    int line);
 461
 462 int CRYPTO_set_mem_functions(
 463         void *(*m) (size_t, const char *, int),
 464         void *(*r) (void *, size_t, const char *, int),
 465         void (*f) (void *));
 466 int CRYPTO_set_mem_debug(int flag);
 467 void CRYPTO_get_mem_functions(
 468         void *(**m) (size_t, const char *, int),
 469         void *(**r) (void *, size_t, const char *, int),
 470         void (**f) (void *));
 471
 472 void *CRYPTO_malloc(size_t num, const char *file, int line);
 473 void *CRYPTO_zalloc(size_t num, const char *file, int line);
 474 void *CRYPTO_memdup(const void *str, size_t siz, const char *file, int line);
 475 char *CRYPTO_strdup(const char *str, const char *file, int line);
 476 char *CRYPTO_strndup(const char *str, size_t s, const char *file, int line);
 477 void CRYPTO_free(void *ptr);
 478 void CRYPTO_clear_free(void *ptr, size_t num);
 479 void *CRYPTO_realloc(void *addr, size_t num, const char *file, int line);
 480 void *CRYPTO_clear_realloc(void *addr, size_t old_num, size_t num,
 481                            const char *file, int line);
 482
 483 int CRYPTO_secure_malloc_init(size_t sz, int minsize);
 484 void CRYPTO_secure_malloc_done(void);
 485 void *CRYPTO_secure_malloc(size_t num, const char *file, int line);
 486 void *CRYPTO_secure_zalloc(size_t num, const char *file, int line);
 487 void CRYPTO_secure_free(void *ptr);
 488 int CRYPTO_secure_allocated(const void *ptr);
 489 int CRYPTO_secure_malloc_initialized(void);
 490 size_t CRYPTO_secure_actual_size(void *ptr);
 491 size_t CRYPTO_secure_used(void);
 492
 493 void OPENSSL_cleanse(void *ptr, size_t len);
 494
 495 # ifndef OPENSSL_NO_CRYPTO_MDEBUG
 496 #  define OPENSSL_mem_debug_push(info) \
 497         CRYPTO_mem_debug_push(info, __FILE__, __LINE__)
 498 #  define OPENSSL_mem_debug_pop() \
 499         CRYPTO_mem_debug_pop()
 500 int CRYPTO_mem_debug_push(const char *info, const char *file, int line);
 501 int CRYPTO_mem_debug_pop(void);
 502
 503 /*-
 504  * Debugging functions (enabled by CRYPTO_set_mem_debug(1))
 505  * The flag argument has the following significance:
 506  *   0:   called before the actual memory allocation has taken place
 507  *   1:   called after the actual memory allocation has taken place
 508  */
 509 void CRYPTO_mem_debug_malloc(void *addr, size_t num, int flag,
 510         const char *file, int line);
 511 void CRYPTO_mem_debug_realloc(void *addr1, void *addr2, size_t num, int flag,
 512         const char *file, int line);
 513 void CRYPTO_mem_debug_free(void *addr, int flag);
 514
 515 #  ifndef OPENSSL_NO_STDIO
 516 int CRYPTO_mem_leaks_fp(FILE *);
 517 #  endif
 518 int CRYPTO_mem_leaks(struct bio_st *bio);
 519 # endif
 520
 521 /* die if we have to */
 522 void OpenSSLDie(const char *file, int line, const char *assertion);
 523 # define OPENSSL_assert(e)       (void)((e) ? 0 : (OpenSSLDie(__FILE__, __LINE__, #e),1))
 524
 525 unsigned int *OPENSSL_ia32cap_loc(void);
 526 # define OPENSSL_ia32cap ((OPENSSL_ia32cap_loc())[0])
 527 int OPENSSL_isservice(void);
 528
 529 int FIPS_mode(void);
 530 int FIPS_mode_set(int r);
 531
 532 void OPENSSL_init(void);
 533
 534 struct tm *OPENSSL_gmtime(const time_t *timer, struct tm *result);
 535 int OPENSSL_gmtime_adj(struct tm *tm, int offset_day, long offset_sec);
 536 int OPENSSL_gmtime_diff(int *pday, int *psec,
 537                         const struct tm *from, const struct tm *to);
 538
 539 /*
 540  * CRYPTO_memcmp returns zero iff the |len| bytes at |a| and |b| are equal.
 541  * It takes an amount of time dependent on |len|, but independent of the
 542  * contents of |a| and |b|. Unlike memcmp, it cannot be used to put elements
 543  * into a defined order as the return value when a != b is undefined, other
 544  * than to be non-zero.
 545  */
 546 int CRYPTO_memcmp(const volatile void * volatile in_a,
 547                   const volatile void * volatile in_b,
 548                   size_t len);
 549
 550 /* Standard initialisation options */
 551 # define OPENSSL_INIT_NO_LOAD_CRYPTO_STRINGS 0x000001
 552 # define OPENSSL_INIT_LOAD_CRYPTO_STRINGS    0x000002
 553 # define OPENSSL_INIT_ADD_ALL_CIPHERS        0x000004
 554 # define OPENSSL_INIT_ADD_ALL_DIGESTS        0x000008
 555 # define OPENSSL_INIT_NO_ADD_ALL_CIPHERS     0x000010
 556 # define OPENSSL_INIT_NO_ADD_ALL_DIGESTS     0x000020
 557 # define OPENSSL_INIT_LOAD_CONFIG            0x000040
 558 # define OPENSSL_INIT_NO_LOAD_CONFIG         0x000080
 559 # define OPENSSL_INIT_ASYNC                  0x000100
 560 # define OPENSSL_INIT_ENGINE_RDRAND          0x000200
 561 # define OPENSSL_INIT_ENGINE_DYNAMIC         0x000400
 562 # define OPENSSL_INIT_ENGINE_OPENSSL         0x000800
 563 # define OPENSSL_INIT_ENGINE_CRYPTODEV       0x001000
 564 # define OPENSSL_INIT_ENGINE_CAPI            0x002000
 565 # define OPENSSL_INIT_ENGINE_PADLOCK         0x004000
 566 # define OPENSSL_INIT_ENGINE_DASYNC          0x008000
 567 /* OPENSSL_INIT flag 0x010000 reserved for internal use */
 568 /* Max OPENSSL_INIT flag value is 0x80000000 */
 569
 570 /* openssl and dasync not counted as builtin */
 571 # define OPENSSL_INIT_ENGINE_ALL_BUILTIN \
 572     (OPENSSL_INIT_ENGINE_RDRAND | OPENSSL_INIT_ENGINE_DYNAMIC \
 573     | OPENSSL_INIT_ENGINE_CRYPTODEV | OPENSSL_INIT_ENGINE_CAPI | \
 574     OPENSSL_INIT_ENGINE_PADLOCK)
 575
 576
 577
 578 /* Optional settings for initialisation */
 579 # define OPENSSL_INIT_SET_END                0
 580 # define OPENSSL_INIT_SET_CONF_FILENAME      1
 581
 582 typedef struct ossl_init_settings_st {
 583     int name;
 584     union {
 585         int type_int;
 586         long type_long;
 587         int32_t type_int32_t;
 588         uint32_t type_uint32_t;
 589         int64_t type_int64_t;
 590         uint64_t type_uint64_t;
 591         size_t type_size_t;
 592         const char *type_string;
 593         void *type_void_ptr;
 594     } value;
 595 } OPENSSL_INIT_SETTINGS;
 596
 597 typedef struct ossl_init_stop_st OPENSSL_INIT_STOP;
 598
 599 /* Library initialisation functions */
 600 void OPENSSL_INIT_library_stop(void);
 601 void OPENSSL_INIT_crypto_library_start(uint64_t opts,
 602                                        const OPENSSL_INIT_SETTINGS *settings);
 603 int OPENSSL_INIT_register_stop_handler(void (*handler)(void));
 604 void OPENSSL_INIT_thread_stop(void);
 605
 606 /* BEGIN ERROR CODES */
 607 /*
 608  * The following lines are auto generated by the script mkerr.pl. Any changes
 609  * made after this point may be overwritten when the script is next run.
 610  */
 611 void ERR_load_CRYPTO_strings(void);
 612
 613 /* Error codes for the CRYPTO functions. */
 614
 615 /* Function codes. */
 616 # define CRYPTO_F_CRYPTO_DUP_EX_DATA                      110
 617 # define CRYPTO_F_CRYPTO_FREE_EX_DATA                     111
 618 # define CRYPTO_F_CRYPTO_GET_EX_NEW_INDEX                 100
 619 # define CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID                103
 620 # define CRYPTO_F_CRYPTO_GET_NEW_LOCKID                   101
 621 # define CRYPTO_F_CRYPTO_MEMDUP                           115
 622 # define CRYPTO_F_CRYPTO_NEW_EX_DATA                      112
 623 # define CRYPTO_F_CRYPTO_SET_EX_DATA                      102
 624 # define CRYPTO_F_DEF_ADD_INDEX                           104
 625 # define CRYPTO_F_DEF_GET_CLASS                           105
 626 # define CRYPTO_F_FIPS_MODE_SET                           109
 627 # define CRYPTO_F_GET_AND_LOCK                            113
 628 # define CRYPTO_F_INT_DUP_EX_DATA                         106
 629 # define CRYPTO_F_INT_FREE_EX_DATA                        107
 630 # define CRYPTO_F_INT_NEW_EX_DATA                         108
 631 # define CRYPTO_F_OPENSSL_MEMDUP                          114
 632
 633 /* Reason codes. */
 634 # define CRYPTO_R_FIPS_MODE_NOT_SUPPORTED                 101
 635 # define CRYPTO_R_NO_DYNLOCK_CREATE_CALLBACK              100
 636
 637 #ifdef  __cplusplus
 638 }
 639 #endif
 640 #endif