crypto/crypto.h

   1 /* crypto/crypto.h */
   2 /* ====================================================================
   3  * Copyright (c) 1998-2003 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 #ifndef HEADER_CRYPTO_H
 118 # define HEADER_CRYPTO_H
 119
 120 # include <stdlib.h>
 121
 122 # include <openssl/e_os2.h>
 123
 124 # ifndef OPENSSL_NO_FP_API
 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
 133 # ifdef CHARSET_EBCDIC
 134 #  include <openssl/ebcdic.h>
 135 # endif
 136
 137 /*
 138  * Resolve problems on some operating systems with symbol names that clash
 139  * one way or another
 140  */
 141 # include <openssl/symhacks.h>
 142
 143 #ifdef  __cplusplus
 144 extern "C" {
 145 #endif
 146
 147 /* Backward compatibility to SSLeay */
 148 /*
 149  * This is more to be used to check the correct DLL is being used in the MS
 150  * world.
 151  */
 152 # define SSLEAY_VERSION_NUMBER   OPENSSL_VERSION_NUMBER
 153 # define SSLEAY_VERSION          0
 154 /* #define SSLEAY_OPTIONS       1 no longer supported */
 155 # define SSLEAY_CFLAGS           2
 156 # define SSLEAY_BUILT_ON         3
 157 # define SSLEAY_PLATFORM         4
 158 # define SSLEAY_DIR              5
 159
 160 /* Already declared in ossl_typ.h */
 161 # if 0
 162 typedef struct crypto_ex_data_st CRYPTO_EX_DATA;
 163 /* Called when a new object is created */
 164 typedef int CRYPTO_EX_new (void *parent, void *ptr, CRYPTO_EX_DATA *ad,
 165                            int idx, long argl, void *argp);
 166 /* Called when an object is free()ed */
 167 typedef void CRYPTO_EX_free (void *parent, void *ptr, CRYPTO_EX_DATA *ad,
 168                              int idx, long argl, void *argp);
 169 /* Called when we need to dup an object */
 170 typedef int CRYPTO_EX_dup (CRYPTO_EX_DATA *to, CRYPTO_EX_DATA *from,
 171                            void *from_d, int idx, long argl, void *argp);
 172 # endif
 173
 174 /* A generic structure to pass assorted data in a expandable way */
 175 typedef struct openssl_item_st {
 176     int code;
 177     void *value;                /* Not used for flag attributes */
 178     size_t value_size;          /* Max size of value for output, length for
 179                                  * input */
 180     size_t *value_length;       /* Returned length of value for output */
 181 } OPENSSL_ITEM;
 182
 183 /*
 184  * When changing the CRYPTO_LOCK_* list, be sure to maintin the text lock
 185  * names in cryptlib.c
 186  */
 187
 188 # define CRYPTO_LOCK_ERR                 1
 189 # define CRYPTO_LOCK_EX_DATA             2
 190 # define CRYPTO_LOCK_X509                3
 191 # define CRYPTO_LOCK_X509_INFO           4
 192 # define CRYPTO_LOCK_X509_PKEY           5
 193 # define CRYPTO_LOCK_X509_CRL            6
 194 # define CRYPTO_LOCK_X509_REQ            7
 195 # define CRYPTO_LOCK_DSA                 8
 196 # define CRYPTO_LOCK_RSA                 9
 197 # define CRYPTO_LOCK_EVP_PKEY            10
 198 # define CRYPTO_LOCK_X509_STORE          11
 199 # define CRYPTO_LOCK_SSL_CTX             12
 200 # define CRYPTO_LOCK_SSL_CERT            13
 201 # define CRYPTO_LOCK_SSL_SESSION         14
 202 # define CRYPTO_LOCK_SSL_SESS_CERT       15
 203 # define CRYPTO_LOCK_SSL                 16
 204 # define CRYPTO_LOCK_SSL_METHOD          17
 205 # define CRYPTO_LOCK_RAND                18
 206 # define CRYPTO_LOCK_RAND2               19
 207 # define CRYPTO_LOCK_MALLOC              20
 208 # define CRYPTO_LOCK_BIO                 21
 209 # define CRYPTO_LOCK_GETHOSTBYNAME       22
 210 # define CRYPTO_LOCK_GETSERVBYNAME       23
 211 # define CRYPTO_LOCK_READDIR             24
 212 # define CRYPTO_LOCK_RSA_BLINDING        25
 213 # define CRYPTO_LOCK_DH                  26
 214 # define CRYPTO_LOCK_MALLOC2             27
 215 # define CRYPTO_LOCK_DSO                 28
 216 # define CRYPTO_LOCK_DYNLOCK             29
 217 # define CRYPTO_LOCK_ENGINE              30
 218 # define CRYPTO_LOCK_UI                  31
 219 # define CRYPTO_LOCK_ECDSA               32
 220 # define CRYPTO_LOCK_EC                  33
 221 # define CRYPTO_LOCK_ECDH                34
 222 # define CRYPTO_LOCK_BN                  35
 223 # define CRYPTO_LOCK_EC_PRE_COMP         36
 224 # define CRYPTO_LOCK_STORE               37
 225 # define CRYPTO_LOCK_COMP                38
 226 # ifndef OPENSSL_FIPS
 227 #  define CRYPTO_NUM_LOCKS                39
 228 # else
 229 #  define CRYPTO_LOCK_FIPS                39
 230 #  define CRYPTO_LOCK_FIPS2               40
 231 #  define CRYPTO_NUM_LOCKS                41
 232 # endif
 233
 234 # define CRYPTO_LOCK             1
 235 # define CRYPTO_UNLOCK           2
 236 # define CRYPTO_READ             4
 237 # define CRYPTO_WRITE            8
 238
 239 # ifndef OPENSSL_NO_LOCKING
 240 #  ifndef CRYPTO_w_lock
 241 #   define CRYPTO_w_lock(type)     \
 242         CRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE,type,__FILE__,__LINE__)
 243 #   define CRYPTO_w_unlock(type)   \
 244         CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE,type,__FILE__,__LINE__)
 245 #   define CRYPTO_r_lock(type)     \
 246         CRYPTO_lock(CRYPTO_LOCK|CRYPTO_READ,type,__FILE__,__LINE__)
 247 #   define CRYPTO_r_unlock(type)   \
 248         CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_READ,type,__FILE__,__LINE__)
 249 #   define CRYPTO_add(addr,amount,type)    \
 250         CRYPTO_add_lock(addr,amount,type,__FILE__,__LINE__)
 251 #  endif
 252 # else
 253 #  define CRYPTO_w_lock(a)
 254 #  define CRYPTO_w_unlock(a)
 255 #  define CRYPTO_r_lock(a)
 256 #  define CRYPTO_r_unlock(a)
 257 #  define CRYPTO_add(a,b,c)       ((*(a))+=(b))
 258 # endif
 259
 260 /*
 261  * Some applications as well as some parts of OpenSSL need to allocate and
 262  * deallocate locks in a dynamic fashion.  The following typedef makes this
 263  * possible in a type-safe manner.
 264  */
 265 /* struct CRYPTO_dynlock_value has to be defined by the application. */
 266 typedef struct {
 267     int references;
 268     struct CRYPTO_dynlock_value *data;
 269 } CRYPTO_dynlock;
 270
 271 /*
 272  * The following can be used to detect memory leaks in the SSLeay library. It
 273  * used, it turns on malloc checking
 274  */
 275
 276 # define CRYPTO_MEM_CHECK_OFF    0x0/* an enume */
 277 # define CRYPTO_MEM_CHECK_ON     0x1/* a bit */
 278 # define CRYPTO_MEM_CHECK_ENABLE 0x2/* a bit */
 279 # define CRYPTO_MEM_CHECK_DISABLE 0x3/* an enume */
 280
 281 /*
 282  * The following are bit values to turn on or off options connected to the
 283  * malloc checking functionality
 284  */
 285
 286 /* Adds time to the memory checking information */
 287 # define V_CRYPTO_MDEBUG_TIME    0x1/* a bit */
 288 /* Adds thread number to the memory checking information */
 289 # define V_CRYPTO_MDEBUG_THREAD  0x2/* a bit */
 290
 291 # define V_CRYPTO_MDEBUG_ALL (V_CRYPTO_MDEBUG_TIME | V_CRYPTO_MDEBUG_THREAD)
 292
 293 /* predec of the BIO type */
 294 typedef struct bio_st BIO_dummy;
 295
 296 struct crypto_ex_data_st {
 297     STACK *sk;
 298     /* gcc is screwing up this data structure :-( */
 299     int dummy;
 300 };
 301
 302 /*
 303  * This stuff is basically class callback functions The current classes are
 304  * SSL_CTX, SSL, SSL_SESSION, and a few more
 305  */
 306
 307 typedef struct crypto_ex_data_func_st {
 308     long argl;                  /* Arbitary long */
 309     void *argp;                 /* Arbitary void * */
 310     CRYPTO_EX_new *new_func;
 311     CRYPTO_EX_free *free_func;
 312     CRYPTO_EX_dup *dup_func;
 313 } CRYPTO_EX_DATA_FUNCS;
 314
 315 DECLARE_STACK_OF(CRYPTO_EX_DATA_FUNCS)
 316
 317 /*
 318  * Per class, we have a STACK of CRYPTO_EX_DATA_FUNCS for each CRYPTO_EX_DATA
 319  * entry.
 320  */
 321
 322 # define CRYPTO_EX_INDEX_BIO             0
 323 # define CRYPTO_EX_INDEX_SSL             1
 324 # define CRYPTO_EX_INDEX_SSL_CTX         2
 325 # define CRYPTO_EX_INDEX_SSL_SESSION     3
 326 # define CRYPTO_EX_INDEX_X509_STORE      4
 327 # define CRYPTO_EX_INDEX_X509_STORE_CTX  5
 328 # define CRYPTO_EX_INDEX_RSA             6
 329 # define CRYPTO_EX_INDEX_DSA             7
 330 # define CRYPTO_EX_INDEX_DH              8
 331 # define CRYPTO_EX_INDEX_ENGINE          9
 332 # define CRYPTO_EX_INDEX_X509            10
 333 # define CRYPTO_EX_INDEX_UI              11
 334 # define CRYPTO_EX_INDEX_ECDSA           12
 335 # define CRYPTO_EX_INDEX_ECDH            13
 336 # define CRYPTO_EX_INDEX_COMP            14
 337 # define CRYPTO_EX_INDEX_STORE           15
 338
 339 /*
 340  * Dynamically assigned indexes start from this value (don't use directly,
 341  * use via CRYPTO_ex_data_new_class).
 342  */
 343 # define CRYPTO_EX_INDEX_USER            100
 344
 345 /*
 346  * This is the default callbacks, but we can have others as well: this is
 347  * needed in Win32 where the application malloc and the library malloc may
 348  * not be the same.
 349  */
 350 # define CRYPTO_malloc_init()    CRYPTO_set_mem_functions(\
 351         malloc, realloc, free)
 352
 353 # if defined CRYPTO_MDEBUG_ALL || defined CRYPTO_MDEBUG_TIME || defined CRYPTO_MDEBUG_THREAD
 354 #  ifndef CRYPTO_MDEBUG         /* avoid duplicate #define */
 355 #   define CRYPTO_MDEBUG
 356 #  endif
 357 # endif
 358
 359 /*
 360  * Set standard debugging functions (not done by default unless CRYPTO_MDEBUG
 361  * is defined)
 362  */
 363 void CRYPTO_malloc_debug_init(void);
 364
 365 int CRYPTO_mem_ctrl(int mode);
 366 int CRYPTO_is_mem_check_on(void);
 367
 368 /* for applications */
 369 # define MemCheck_start() CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON)
 370 # define MemCheck_stop() CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_OFF)
 371
 372 /* for library-internal use */
 373 # define MemCheck_on()   CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE)
 374 # define MemCheck_off()  CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE)
 375 # define is_MemCheck_on() CRYPTO_is_mem_check_on()
 376
 377 # define OPENSSL_malloc(num)     CRYPTO_malloc((int)num,__FILE__,__LINE__)
 378 # define OPENSSL_strdup(str)     CRYPTO_strdup((str),__FILE__,__LINE__)
 379 # define OPENSSL_realloc(addr,num) \
 380         CRYPTO_realloc((char *)addr,(int)num,__FILE__,__LINE__)
 381 # define OPENSSL_realloc_clean(addr,old_num,num) \
 382         CRYPTO_realloc_clean(addr,old_num,num,__FILE__,__LINE__)
 383 # define OPENSSL_remalloc(addr,num) \
 384         CRYPTO_remalloc((char **)addr,(int)num,__FILE__,__LINE__)
 385 # define OPENSSL_freeFunc        CRYPTO_free
 386 # define OPENSSL_free(addr)      CRYPTO_free(addr)
 387
 388 # define OPENSSL_malloc_locked(num) \
 389         CRYPTO_malloc_locked((int)num,__FILE__,__LINE__)
 390 # define OPENSSL_free_locked(addr) CRYPTO_free_locked(addr)
 391
 392 const char *SSLeay_version(int type);
 393 unsigned long SSLeay(void);
 394
 395 int OPENSSL_issetugid(void);
 396
 397 /* An opaque type representing an implementation of "ex_data" support */
 398 typedef struct st_CRYPTO_EX_DATA_IMPL CRYPTO_EX_DATA_IMPL;
 399 /* Return an opaque pointer to the current "ex_data" implementation */
 400 const CRYPTO_EX_DATA_IMPL *CRYPTO_get_ex_data_implementation(void);
 401 /* Sets the "ex_data" implementation to be used (if it's not too late) */
 402 int CRYPTO_set_ex_data_implementation(const CRYPTO_EX_DATA_IMPL *i);
 403 /* Get a new "ex_data" class, and return the corresponding "class_index" */
 404 int CRYPTO_ex_data_new_class(void);
 405 /* Within a given class, get/register a new index */
 406 int CRYPTO_get_ex_new_index(int class_index, long argl, void *argp,
 407                             CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
 408                             CRYPTO_EX_free *free_func);
 409 /*
 410  * Initialise/duplicate/free CRYPTO_EX_DATA variables corresponding to a
 411  * given class (invokes whatever per-class callbacks are applicable)
 412  */
 413 int CRYPTO_new_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
 414 int CRYPTO_dup_ex_data(int class_index, CRYPTO_EX_DATA *to,
 415                        CRYPTO_EX_DATA *from);
 416 void CRYPTO_free_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
 417 /*
 418  * Get/set data in a CRYPTO_EX_DATA variable corresponding to a particular
 419  * index (relative to the class type involved)
 420  */
 421 int CRYPTO_set_ex_data(CRYPTO_EX_DATA *ad, int idx, void *val);
 422 void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx);
 423 /*
 424  * This function cleans up all "ex_data" state. It mustn't be called under
 425  * potential race-conditions.
 426  */
 427 void CRYPTO_cleanup_all_ex_data(void);
 428
 429 int CRYPTO_get_new_lockid(char *name);
 430
 431 int CRYPTO_num_locks(void);     /* return CRYPTO_NUM_LOCKS (shared libs!) */
 432 void CRYPTO_lock(int mode, int type, const char *file, int line);
 433 void CRYPTO_set_locking_callback(void (*func) (int mode, int type,
 434                                                const char *file, int line));
 435 void (*CRYPTO_get_locking_callback(void)) (int mode, int type,
 436                                            const char *file, int line);
 437 void CRYPTO_set_add_lock_callback(int (*func)
 438                                    (int *num, int mount, int type,
 439                                     const char *file, int line));
 440 int (*CRYPTO_get_add_lock_callback(void)) (int *num, int mount, int type,
 441                                            const char *file, int line);
 442 void CRYPTO_set_id_callback(unsigned long (*func) (void));
 443 unsigned long (*CRYPTO_get_id_callback(void)) (void);
 444 unsigned long CRYPTO_thread_id(void);
 445 const char *CRYPTO_get_lock_name(int type);
 446 int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file,
 447                     int line);
 448
 449 void int_CRYPTO_set_do_dynlock_callback(void (*do_dynlock_cb)
 450                                          (int mode, int type,
 451                                           const char *file, int line));
 452
 453 int CRYPTO_get_new_dynlockid(void);
 454 void CRYPTO_destroy_dynlockid(int i);
 455 struct CRYPTO_dynlock_value *CRYPTO_get_dynlock_value(int i);
 456 void CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value
 457                                         *(*dyn_create_function) (const char
 458                                                                  *file,
 459                                                                  int line));
 460 void CRYPTO_set_dynlock_lock_callback(void (*dyn_lock_function)
 461                                        (int mode,
 462                                         struct CRYPTO_dynlock_value *l,
 463                                         const char *file, int line));
 464 void CRYPTO_set_dynlock_destroy_callback(void (*dyn_destroy_function)
 465                                           (struct CRYPTO_dynlock_value *l,
 466                                            const char *file, int line));
 467 struct CRYPTO_dynlock_value
 468 *(*CRYPTO_get_dynlock_create_callback(void)) (const char *file, int line);
 469 void (*CRYPTO_get_dynlock_lock_callback(void)) (int mode,
 470                                                 struct CRYPTO_dynlock_value
 471                                                 *l, const char *file,
 472                                                 int line);
 473 void (*CRYPTO_get_dynlock_destroy_callback(void)) (struct CRYPTO_dynlock_value
 474                                                    *l, const char *file,
 475                                                    int line);
 476
 477 /*
 478  * CRYPTO_set_mem_functions includes CRYPTO_set_locked_mem_functions -- call
 479  * the latter last if you need different functions
 480  */
 481 int CRYPTO_set_mem_functions(void *(*m) (size_t), void *(*r) (void *, size_t),
 482                              void (*f) (void *));
 483 int CRYPTO_set_locked_mem_functions(void *(*m) (size_t),
 484                                     void (*free_func) (void *));
 485 int CRYPTO_set_mem_ex_functions(void *(*m) (size_t, const char *, int),
 486                                 void *(*r) (void *, size_t, const char *,
 487                                             int), void (*f) (void *));
 488 int CRYPTO_set_locked_mem_ex_functions(void *(*m) (size_t, const char *, int),
 489                                        void (*free_func) (void *));
 490 int CRYPTO_set_mem_debug_functions(void (*m)
 491                                     (void *, int, const char *, int, int),
 492                                    void (*r) (void *, void *, int,
 493                                               const char *, int, int),
 494                                    void (*f) (void *, int), void (*so) (long),
 495                                    long (*go) (void));
 496 void CRYPTO_set_mem_info_functions(int (*push_info_fn)
 497                                     (const char *info, const char *file,
 498                                      int line), int (*pop_info_fn) (void),
 499                                    int (*remove_all_info_fn) (void));
 500 void CRYPTO_get_mem_functions(void *(**m) (size_t),
 501                               void *(**r) (void *, size_t),
 502                               void (**f) (void *));
 503 void CRYPTO_get_locked_mem_functions(void *(**m) (size_t),
 504                                      void (**f) (void *));
 505 void CRYPTO_get_mem_ex_functions(void *(**m) (size_t, const char *, int),
 506                                  void *(**r) (void *, size_t, const char *,
 507                                               int), void (**f) (void *));
 508 void CRYPTO_get_locked_mem_ex_functions(void
 509                                         *(**m) (size_t, const char *, int),
 510                                         void (**f) (void *));
 511 void CRYPTO_get_mem_debug_functions(void (**m)
 512                                      (void *, int, const char *, int, int),
 513                                     void (**r) (void *, void *, int,
 514                                                 const char *, int, int),
 515                                     void (**f) (void *, int),
 516                                     void (**so) (long), long (**go) (void));
 517
 518 void *CRYPTO_malloc_locked(int num, const char *file, int line);
 519 void CRYPTO_free_locked(void *);
 520 void *CRYPTO_malloc(int num, const char *file, int line);
 521 char *CRYPTO_strdup(const char *str, const char *file, int line);
 522 void CRYPTO_free(void *);
 523 void *CRYPTO_realloc(void *addr, int num, const char *file, int line);
 524 void *CRYPTO_realloc_clean(void *addr, int old_num, int num, const char *file,
 525                            int line);
 526 void *CRYPTO_remalloc(void *addr, int num, const char *file, int line);
 527
 528 void OPENSSL_cleanse(void *ptr, size_t len);
 529
 530 void CRYPTO_set_mem_debug_options(long bits);
 531 long CRYPTO_get_mem_debug_options(void);
 532
 533 # define CRYPTO_push_info(info) \
 534         CRYPTO_push_info_(info, __FILE__, __LINE__);
 535 int CRYPTO_push_info_(const char *info, const char *file, int line);
 536 int CRYPTO_pop_info(void);
 537 int CRYPTO_remove_all_info(void);
 538
 539 /*
 540  * Default debugging functions (enabled by CRYPTO_malloc_debug_init() macro;
 541  * used as default in CRYPTO_MDEBUG compilations):
 542  */
 543 /*-
 544  * The last argument has the following significance:
 545  *
 546  * 0:   called before the actual memory allocation has taken place
 547  * 1:   called after the actual memory allocation has taken place
 548  */
 549 void CRYPTO_dbg_malloc(void *addr, int num, const char *file, int line,
 550                        int before_p);
 551 void CRYPTO_dbg_realloc(void *addr1, void *addr2, int num, const char *file,
 552                         int line, int before_p);
 553 void CRYPTO_dbg_free(void *addr, int before_p);
 554 /*-
 555  * Tell the debugging code about options.  By default, the following values
 556  * apply:
 557  *
 558  * 0:                           Clear all options.
 559  * V_CRYPTO_MDEBUG_TIME (1):    Set the "Show Time" option.
 560  * V_CRYPTO_MDEBUG_THREAD (2):  Set the "Show Thread Number" option.
 561  * V_CRYPTO_MDEBUG_ALL (3):     1 + 2
 562  */
 563 void CRYPTO_dbg_set_options(long bits);
 564 long CRYPTO_dbg_get_options(void);
 565
 566 int CRYPTO_dbg_push_info(const char *info, const char *file, int line);
 567 int CRYPTO_dbg_pop_info(void);
 568 int CRYPTO_dbg_remove_all_info(void);
 569
 570 # ifndef OPENSSL_NO_FP_API
 571 void CRYPTO_mem_leaks_fp(FILE *);
 572 # endif
 573 void CRYPTO_mem_leaks(struct bio_st *bio);
 574 /* unsigned long order, char *file, int line, int num_bytes, char *addr */
 575 typedef void *CRYPTO_MEM_LEAK_CB (unsigned long, const char *, int, int,
 576                                   void *);
 577 void CRYPTO_mem_leaks_cb(CRYPTO_MEM_LEAK_CB *cb);
 578
 579 /* die if we have to */
 580 void OpenSSLDie(const char *file, int line, const char *assertion);
 581 # define OPENSSL_assert(e)       (void)((e) ? 0 : (OpenSSLDie(__FILE__, __LINE__, #e),1))
 582
 583 unsigned long *OPENSSL_ia32cap_loc(void);
 584 # define OPENSSL_ia32cap (*(OPENSSL_ia32cap_loc()))
 585 int OPENSSL_isservice(void);
 586
 587 # ifdef OPENSSL_FIPS
 588 #  define FIPS_ERROR_IGNORED(alg) OpenSSLDie(__FILE__, __LINE__, \
 589                 alg " previous FIPS forbidden algorithm error ignored");
 590
 591 #  define FIPS_BAD_ABORT(alg) OpenSSLDie(__FILE__, __LINE__, \
 592                 #alg " Algorithm forbidden in FIPS mode");
 593
 594 #  ifdef OPENSSL_FIPS_STRICT
 595 #   define FIPS_BAD_ALGORITHM(alg) FIPS_BAD_ABORT(alg)
 596 #  else
 597 #   define FIPS_BAD_ALGORITHM(alg) \
 598         { \
 599         FIPSerr(FIPS_F_HASH_FINAL,FIPS_R_NON_FIPS_METHOD); \
 600         ERR_add_error_data(2, "Algorithm=", #alg); \
 601         return 0; \
 602         }
 603 #  endif
 604
 605 /* Low level digest API blocking macro */
 606
 607 #  define FIPS_NON_FIPS_MD_Init(alg) \
 608         int alg##_Init(alg##_CTX *c) \
 609                 { \
 610                 if (FIPS_mode()) \
 611                         FIPS_BAD_ALGORITHM(alg) \
 612                 return private_##alg##_Init(c); \
 613                 } \
 614         int private_##alg##_Init(alg##_CTX *c)
 615
 616 /*
 617  * For ciphers the API often varies from cipher to cipher and each needs to
 618  * be treated as a special case. Variable key length ciphers (Blowfish, RC4,
 619  * CAST) however are very similar and can use a blocking macro.
 620  */
 621
 622 #  define FIPS_NON_FIPS_VCIPHER_Init(alg) \
 623         void alg##_set_key(alg##_KEY *key, int len, const unsigned char *data) \
 624                 { \
 625                 if (FIPS_mode()) \
 626                         FIPS_BAD_ABORT(alg) \
 627                 private_##alg##_set_key(key, len, data); \
 628                 } \
 629         void private_##alg##_set_key(alg##_KEY *key, int len, \
 630                                         const unsigned char *data)
 631
 632 # else
 633
 634 #  define FIPS_NON_FIPS_VCIPHER_Init(alg) \
 635         void alg##_set_key(alg##_KEY *key, int len, const unsigned char *data)
 636
 637 #  define FIPS_NON_FIPS_MD_Init(alg) \
 638         int alg##_Init(alg##_CTX *c)
 639
 640 # endif                         /* def OPENSSL_FIPS */
 641
 642 # define OPENSSL_HAVE_INIT       1
 643 void OPENSSL_init(void);
 644
 645 /*
 646  * CRYPTO_memcmp returns zero iff the |len| bytes at |a| and |b| are equal.
 647  * It takes an amount of time dependent on |len|, but independent of the
 648  * contents of |a| and |b|. Unlike memcmp, it cannot be used to put elements
 649  * into a defined order as the return value when a != b is undefined, other
 650  * than to be non-zero.
 651  */
 652 int CRYPTO_memcmp(const void *a, const void *b, size_t len);
 653
 654 /* BEGIN ERROR CODES */
 655 /*
 656  * The following lines are auto generated by the script mkerr.pl. Any changes
 657  * made after this point may be overwritten when the script is next run.
 658  */
 659 void ERR_load_CRYPTO_strings(void);
 660
 661 /* Error codes for the CRYPTO functions. */
 662
 663 /* Function codes. */
 664 # define CRYPTO_F_CRYPTO_GET_EX_NEW_INDEX                 100
 665 # define CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID                103
 666 # define CRYPTO_F_CRYPTO_GET_NEW_LOCKID                   101
 667 # define CRYPTO_F_CRYPTO_SET_EX_DATA                      102
 668 # define CRYPTO_F_DEF_ADD_INDEX                           104
 669 # define CRYPTO_F_DEF_GET_CLASS                           105
 670 # define CRYPTO_F_INT_DUP_EX_DATA                         106
 671 # define CRYPTO_F_INT_FREE_EX_DATA                        107
 672 # define CRYPTO_F_INT_NEW_EX_DATA                         108
 673
 674 /* Reason codes. */
 675 # define CRYPTO_R_NO_DYNLOCK_CREATE_CALLBACK              100
 676
 677 #ifdef  __cplusplus
 678 }
 679 #endif
 680 #endif