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Edit File: crypto.h

/* crypto/crypto.h */
/* ====================================================================
 * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    openssl-core@openssl.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 *
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 *
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 *
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */
/* ====================================================================
 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 * ECDH support in OpenSSL originally developed by
 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 */

#ifndef HEADER_CRYPTO_H
# define HEADER_CRYPTO_H

# include <stdlib.h>

# include <openssl/e_os2.h>

# ifndef OPENSSL_NO_FP_API
#  include <stdio.h>
# endif

# include <openssl/stack.h>
# include <openssl/safestack.h>
# include <openssl/opensslv.h>
# include <openssl/ossl_typ.h>

# ifdef CHARSET_EBCDIC
#  include <openssl/ebcdic.h>
# endif

/*
 * Resolve problems on some operating systems with symbol names that clash
 * one way or another
 */
# include <openssl/symhacks.h>

#ifdef  __cplusplus
extern "C" {
#endif

/* Backward compatibility to SSLeay */
/*
 * This is more to be used to check the correct DLL is being used in the MS
 * world.
 */
# define SSLEAY_VERSION_NUMBER   OPENSSL_VERSION_NUMBER
# define SSLEAY_VERSION          0
/* #define SSLEAY_OPTIONS       1 no longer supported */
# define SSLEAY_CFLAGS           2
# define SSLEAY_BUILT_ON         3
# define SSLEAY_PLATFORM         4
# define SSLEAY_DIR              5

/* Already declared in ossl_typ.h */
# if 0
typedef struct crypto_ex_data_st CRYPTO_EX_DATA;
/* Called when a new object is created */
typedef int CRYPTO_EX_new (void *parent, void *ptr, CRYPTO_EX_DATA *ad,
                           int idx, long argl, void *argp);
/* Called when an object is free()ed */
typedef void CRYPTO_EX_free (void *parent, void *ptr, CRYPTO_EX_DATA *ad,
                             int idx, long argl, void *argp);
/* Called when we need to dup an object */
typedef int CRYPTO_EX_dup (CRYPTO_EX_DATA *to, CRYPTO_EX_DATA *from,
                           void *from_d, int idx, long argl, void *argp);
# endif

/* A generic structure to pass assorted data in a expandable way */
typedef struct openssl_item_st {
    int code;
    void *value;                /* Not used for flag attributes */
    size_t value_size;          /* Max size of value for output, length for
                                 * input */
    size_t *value_length;       /* Returned length of value for output */
} OPENSSL_ITEM;

/*
 * When changing the CRYPTO_LOCK_* list, be sure to maintin the text lock
 * names in cryptlib.c
 */

# define CRYPTO_LOCK_ERR                 1
# define CRYPTO_LOCK_EX_DATA             2
# define CRYPTO_LOCK_X509                3
# define CRYPTO_LOCK_X509_INFO           4
# define CRYPTO_LOCK_X509_PKEY           5
# define CRYPTO_LOCK_X509_CRL            6
# define CRYPTO_LOCK_X509_REQ            7
# define CRYPTO_LOCK_DSA                 8
# define CRYPTO_LOCK_RSA                 9
# define CRYPTO_LOCK_EVP_PKEY            10
# define CRYPTO_LOCK_X509_STORE          11
# define CRYPTO_LOCK_SSL_CTX             12
# define CRYPTO_LOCK_SSL_CERT            13
# define CRYPTO_LOCK_SSL_SESSION         14
# define CRYPTO_LOCK_SSL_SESS_CERT       15
# define CRYPTO_LOCK_SSL                 16
# define CRYPTO_LOCK_SSL_METHOD          17
# define CRYPTO_LOCK_RAND                18
# define CRYPTO_LOCK_RAND2               19
# define CRYPTO_LOCK_MALLOC              20
# define CRYPTO_LOCK_BIO                 21
# define CRYPTO_LOCK_GETHOSTBYNAME       22
# define CRYPTO_LOCK_GETSERVBYNAME       23
# define CRYPTO_LOCK_READDIR             24
# define CRYPTO_LOCK_RSA_BLINDING        25
# define CRYPTO_LOCK_DH                  26
# define CRYPTO_LOCK_MALLOC2             27
# define CRYPTO_LOCK_DSO                 28
# define CRYPTO_LOCK_DYNLOCK             29
# define CRYPTO_LOCK_ENGINE              30
# define CRYPTO_LOCK_UI                  31
# define CRYPTO_LOCK_ECDSA               32
# define CRYPTO_LOCK_EC                  33
# define CRYPTO_LOCK_ECDH                34
# define CRYPTO_LOCK_BN                  35
# define CRYPTO_LOCK_EC_PRE_COMP         36
# define CRYPTO_LOCK_STORE               37
# define CRYPTO_LOCK_COMP                38
# define CRYPTO_LOCK_FIPS                39
# define CRYPTO_LOCK_FIPS2               40
# define CRYPTO_NUM_LOCKS                41

# define CRYPTO_LOCK             1
# define CRYPTO_UNLOCK           2
# define CRYPTO_READ             4
# define CRYPTO_WRITE            8

# ifndef OPENSSL_NO_LOCKING
#  ifndef CRYPTO_w_lock
#   define CRYPTO_w_lock(type)     \
        CRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE,type,__FILE__,__LINE__)
#   define CRYPTO_w_unlock(type)   \
        CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE,type,__FILE__,__LINE__)
#   define CRYPTO_r_lock(type)     \
        CRYPTO_lock(CRYPTO_LOCK|CRYPTO_READ,type,__FILE__,__LINE__)
#   define CRYPTO_r_unlock(type)   \
        CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_READ,type,__FILE__,__LINE__)
#   define CRYPTO_add(addr,amount,type)    \
        CRYPTO_add_lock(addr,amount,type,__FILE__,__LINE__)
#  endif
# else
#  define CRYPTO_w_lock(a)
#  define CRYPTO_w_unlock(a)
#  define CRYPTO_r_lock(a)
#  define CRYPTO_r_unlock(a)
#  define CRYPTO_add(a,b,c)       ((*(a))+=(b))
# endif

/*
 * Some applications as well as some parts of OpenSSL need to allocate and
 * deallocate locks in a dynamic fashion.  The following typedef makes this
 * possible in a type-safe manner.
 */
/* struct CRYPTO_dynlock_value has to be defined by the application. */
typedef struct {
    int references;
    struct CRYPTO_dynlock_value *data;
} CRYPTO_dynlock;

/*
 * The following can be used to detect memory leaks in the SSLeay library. It
 * used, it turns on malloc checking
 */

# define CRYPTO_MEM_CHECK_OFF    0x0/* an enume */
# define CRYPTO_MEM_CHECK_ON     0x1/* a bit */
# define CRYPTO_MEM_CHECK_ENABLE 0x2/* a bit */
# define CRYPTO_MEM_CHECK_DISABLE 0x3/* an enume */

/*
 * The following are bit values to turn on or off options connected to the
 * malloc checking functionality
 */

/* Adds time to the memory checking information */
# define V_CRYPTO_MDEBUG_TIME    0x1/* a bit */
/* Adds thread number to the memory checking information */
# define V_CRYPTO_MDEBUG_THREAD  0x2/* a bit */

# define V_CRYPTO_MDEBUG_ALL (V_CRYPTO_MDEBUG_TIME | V_CRYPTO_MDEBUG_THREAD)

/* predec of the BIO type */
typedef struct bio_st BIO_dummy;

struct crypto_ex_data_st {
    STACK_OF(void) *sk;
    /* gcc is screwing up this data structure :-( */
    int dummy;
};
DECLARE_STACK_OF(void)

/*
 * This stuff is basically class callback functions The current classes are
 * SSL_CTX, SSL, SSL_SESSION, and a few more
 */

typedef struct crypto_ex_data_func_st {
    long argl;                  /* Arbitary long */
    void *argp;                 /* Arbitary void * */
    CRYPTO_EX_new *new_func;
    CRYPTO_EX_free *free_func;
    CRYPTO_EX_dup *dup_func;
} CRYPTO_EX_DATA_FUNCS;

DECLARE_STACK_OF(CRYPTO_EX_DATA_FUNCS)

/*
 * Per class, we have a STACK of CRYPTO_EX_DATA_FUNCS for each CRYPTO_EX_DATA
 * entry.
 */

# define CRYPTO_EX_INDEX_BIO             0
# define CRYPTO_EX_INDEX_SSL             1
# define CRYPTO_EX_INDEX_SSL_CTX         2
# define CRYPTO_EX_INDEX_SSL_SESSION     3
# define CRYPTO_EX_INDEX_X509_STORE      4
# define CRYPTO_EX_INDEX_X509_STORE_CTX  5
# define CRYPTO_EX_INDEX_RSA             6
# define CRYPTO_EX_INDEX_DSA             7
# define CRYPTO_EX_INDEX_DH              8
# define CRYPTO_EX_INDEX_ENGINE          9
# define CRYPTO_EX_INDEX_X509            10
# define CRYPTO_EX_INDEX_UI              11
# define CRYPTO_EX_INDEX_ECDSA           12
# define CRYPTO_EX_INDEX_ECDH            13
# define CRYPTO_EX_INDEX_COMP            14
# define CRYPTO_EX_INDEX_STORE           15

/*
 * Dynamically assigned indexes start from this value (don't use directly,
 * use via CRYPTO_ex_data_new_class).
 */
# define CRYPTO_EX_INDEX_USER            100

/*
 * This is the default callbacks, but we can have others as well: this is
 * needed in Win32 where the application malloc and the library malloc may
 * not be the same.
 */
# define CRYPTO_malloc_init()    CRYPTO_set_mem_functions(\
        malloc, realloc, free)

# if defined CRYPTO_MDEBUG_ALL || defined CRYPTO_MDEBUG_TIME || defined CRYPTO_MDEBUG_THREAD
#  ifndef CRYPTO_MDEBUG         /* avoid duplicate #define */
#   define CRYPTO_MDEBUG
#  endif
# endif

/*
 * Set standard debugging functions (not done by default unless CRYPTO_MDEBUG
 * is defined)
 */
# define CRYPTO_malloc_debug_init()      do {\
        CRYPTO_set_mem_debug_functions(\
                CRYPTO_dbg_malloc,\
                CRYPTO_dbg_realloc,\
                CRYPTO_dbg_free,\
                CRYPTO_dbg_set_options,\
                CRYPTO_dbg_get_options);\
        } while(0)

int CRYPTO_mem_ctrl(int mode);
int CRYPTO_is_mem_check_on(void);

/* for applications */
# define MemCheck_start() CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON)
# define MemCheck_stop() CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_OFF)

/* for library-internal use */
# define MemCheck_on()   CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE)
# define MemCheck_off()  CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE)
# define is_MemCheck_on() CRYPTO_is_mem_check_on()

# define OPENSSL_malloc(num)     CRYPTO_malloc((int)num,__FILE__,__LINE__)
# define OPENSSL_strdup(str)     CRYPTO_strdup((str),__FILE__,__LINE__)
# define OPENSSL_strndup(str, n) \
        CRYPTO_strndup((str), n, __FILE__, __LINE__)
# define OPENSSL_realloc(addr,num) \
        CRYPTO_realloc((char *)addr,(int)num,__FILE__,__LINE__)
# define OPENSSL_realloc_clean(addr,old_num,num) \
        CRYPTO_realloc_clean(addr,old_num,num,__FILE__,__LINE__)
# define OPENSSL_remalloc(addr,num) \
        CRYPTO_remalloc((char **)addr,(int)num,__FILE__,__LINE__)
# define OPENSSL_freeFunc        CRYPTO_free
# define OPENSSL_free(addr)      CRYPTO_free(addr)

# define OPENSSL_malloc_locked(num) \
        CRYPTO_malloc_locked((int)num,__FILE__,__LINE__)
# define OPENSSL_free_locked(addr) CRYPTO_free_locked(addr)

size_t OPENSSL_strnlen(const char *str, size_t maxlen);

const char *SSLeay_version(int type);
unsigned long SSLeay(void);

int OPENSSL_issetugid(void);

/* An opaque type representing an implementation of "ex_data" support */
typedef struct st_CRYPTO_EX_DATA_IMPL CRYPTO_EX_DATA_IMPL;
/* Return an opaque pointer to the current "ex_data" implementation */
const CRYPTO_EX_DATA_IMPL *CRYPTO_get_ex_data_implementation(void);
/* Sets the "ex_data" implementation to be used (if it's not too late) */
int CRYPTO_set_ex_data_implementation(const CRYPTO_EX_DATA_IMPL *i);
/* Get a new "ex_data" class, and return the corresponding "class_index" */
int CRYPTO_ex_data_new_class(void);
/* Within a given class, get/register a new index */
int CRYPTO_get_ex_new_index(int class_index, long argl, void *argp,
                            CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
                            CRYPTO_EX_free *free_func);
/*
 * Initialise/duplicate/free CRYPTO_EX_DATA variables corresponding to a
 * given class (invokes whatever per-class callbacks are applicable)
 */
int CRYPTO_new_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
int CRYPTO_dup_ex_data(int class_index, CRYPTO_EX_DATA *to,
                       CRYPTO_EX_DATA *from);
void CRYPTO_free_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
/*
 * Get/set data in a CRYPTO_EX_DATA variable corresponding to a particular
 * index (relative to the class type involved)
 */
int CRYPTO_set_ex_data(CRYPTO_EX_DATA *ad, int idx, void *val);
void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx);
/*
 * This function cleans up all "ex_data" state. It mustn't be called under
 * potential race-conditions.
 */
void CRYPTO_cleanup_all_ex_data(void);

int CRYPTO_get_new_lockid(char *name);

int CRYPTO_num_locks(void);     /* return CRYPTO_NUM_LOCKS (shared libs!) */
void CRYPTO_lock(int mode, int type, const char *file, int line);
void CRYPTO_set_locking_callback(void (*func) (int mode, int type,
                                               const char *file, int line));
void (*CRYPTO_get_locking_callback(void)) (int mode, int type,
                                           const char *file, int line);
void CRYPTO_set_add_lock_callback(int (*func)
                                   (int *num, int mount, int type,
                                    const char *file, int line));
int (*CRYPTO_get_add_lock_callback(void)) (int *num, int mount, int type,
                                           const char *file, int line);

/* Don't use this structure directly. */
typedef struct crypto_threadid_st {
    void *ptr;
    unsigned long val;
} CRYPTO_THREADID;
/* Only use CRYPTO_THREADID_set_[numeric|pointer]() within callbacks */
void CRYPTO_THREADID_set_numeric(CRYPTO_THREADID *id, unsigned long val);
void CRYPTO_THREADID_set_pointer(CRYPTO_THREADID *id, void *ptr);
int CRYPTO_THREADID_set_callback(void (*threadid_func) (CRYPTO_THREADID *));
void (*CRYPTO_THREADID_get_callback(void)) (CRYPTO_THREADID *);
void CRYPTO_THREADID_current(CRYPTO_THREADID *id);
int CRYPTO_THREADID_cmp(const CRYPTO_THREADID *a, const CRYPTO_THREADID *b);
void CRYPTO_THREADID_cpy(CRYPTO_THREADID *dest, const CRYPTO_THREADID *src);
unsigned long CRYPTO_THREADID_hash(const CRYPTO_THREADID *id);
# ifndef OPENSSL_NO_DEPRECATED
void CRYPTO_set_id_callback(unsigned long (*func) (void));
unsigned long (*CRYPTO_get_id_callback(void)) (void);
unsigned long CRYPTO_thread_id(void);
# endif

const char *CRYPTO_get_lock_name(int type);
int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file,
                    int line);

int CRYPTO_get_new_dynlockid(void);
void CRYPTO_destroy_dynlockid(int i);
struct CRYPTO_dynlock_value *CRYPTO_get_dynlock_value(int i);
void CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value
                                        *(*dyn_create_function) (const char
                                                                 *file,
                                                                 int line));
void CRYPTO_set_dynlock_lock_callback(void (*dyn_lock_function)
                                       (int mode,
                                        struct CRYPTO_dynlock_value *l,
                                        const char *file, int line));
void CRYPTO_set_dynlock_destroy_callback(void (*dyn_destroy_function)
                                          (struct CRYPTO_dynlock_value *l,
                                           const char *file, int line));
struct CRYPTO_dynlock_value
*(*CRYPTO_get_dynlock_create_callback(void)) (const char *file, int line);
void (*CRYPTO_get_dynlock_lock_callback(void)) (int mode,
                                                struct CRYPTO_dynlock_value
                                                *l, const char *file,
                                                int line);
void (*CRYPTO_get_dynlock_destroy_callback(void)) (struct CRYPTO_dynlock_value
                                                   *l, const char *file,
                                                   int line);

/*
 * CRYPTO_set_mem_functions includes CRYPTO_set_locked_mem_functions -- call
 * the latter last if you need different functions
 */
int CRYPTO_set_mem_functions(void *(*m) (size_t), void *(*r) (void *, size_t),
                             void (*f) (void *));
int CRYPTO_set_locked_mem_functions(void *(*m) (size_t),
                                    void (*free_func) (void *));
int CRYPTO_set_mem_ex_functions(void *(*m) (size_t, const char *, int),
                                void *(*r) (void *, size_t, const char *,
                                            int), void (*f) (void *));
int CRYPTO_set_locked_mem_ex_functions(void *(*m) (size_t, const char *, int),
                                       void (*free_func) (void *));
int CRYPTO_set_mem_debug_functions(void (*m)
                                    (void *, int, const char *, int, int),
                                   void (*r) (void *, void *, int,
                                              const char *, int, int),
                                   void (*f) (void *, int), void (*so) (long),
                                   long (*go) (void));
void CRYPTO_get_mem_functions(void *(**m) (size_t),
                              void *(**r) (void *, size_t),
                              void (**f) (void *));
void CRYPTO_get_locked_mem_functions(void *(**m) (size_t),
                                     void (**f) (void *));
void CRYPTO_get_mem_ex_functions(void *(**m) (size_t, const char *, int),
                                 void *(**r) (void *, size_t, const char *,
                                              int), void (**f) (void *));
void CRYPTO_get_locked_mem_ex_functions(void
                                        *(**m) (size_t, const char *, int),
                                        void (**f) (void *));
void CRYPTO_get_mem_debug_functions(void (**m)
                                     (void *, int, const char *, int, int),
                                    void (**r) (void *, void *, int,
                                                const char *, int, int),
                                    void (**f) (void *, int),
                                    void (**so) (long), long (**go) (void));

void *CRYPTO_malloc_locked(int num, const char *file, int line);
void CRYPTO_free_locked(void *ptr);
void *CRYPTO_malloc(int num, const char *file, int line);
char *CRYPTO_strdup(const char *str, const char *file, int line);
char *CRYPTO_strndup(const char *str, size_t s, const char *file, int line);
void CRYPTO_free(void *ptr);
void *CRYPTO_realloc(void *addr, int num, const char *file, int line);
void *CRYPTO_realloc_clean(void *addr, int old_num, int num, const char *file,
                           int line);
void *CRYPTO_remalloc(void *addr, int num, const char *file, int line);

void OPENSSL_cleanse(void *ptr, size_t len);

void CRYPTO_set_mem_debug_options(long bits);
long CRYPTO_get_mem_debug_options(void);

# define CRYPTO_push_info(info) \
        CRYPTO_push_info_(info, __FILE__, __LINE__);
int CRYPTO_push_info_(const char *info, const char *file, int line);
int CRYPTO_pop_info(void);
int CRYPTO_remove_all_info(void);

/*
 * Default debugging functions (enabled by CRYPTO_malloc_debug_init() macro;
 * used as default in CRYPTO_MDEBUG compilations):
 */
/*-
 * The last argument has the following significance:
 *
 * 0:   called before the actual memory allocation has taken place
 * 1:   called after the actual memory allocation has taken place
 */
void CRYPTO_dbg_malloc(void *addr, int num, const char *file, int line,
                       int before_p);
void CRYPTO_dbg_realloc(void *addr1, void *addr2, int num, const char *file,
                        int line, int before_p);
void CRYPTO_dbg_free(void *addr, int before_p);
/*-
 * Tell the debugging code about options.  By default, the following values
 * apply:
 *
 * 0:                           Clear all options.
 * V_CRYPTO_MDEBUG_TIME (1):    Set the "Show Time" option.
 * V_CRYPTO_MDEBUG_THREAD (2):  Set the "Show Thread Number" option.
 * V_CRYPTO_MDEBUG_ALL (3):     1 + 2
 */
void CRYPTO_dbg_set_options(long bits);
long CRYPTO_dbg_get_options(void);

# ifndef OPENSSL_NO_FP_API
void CRYPTO_mem_leaks_fp(FILE *);
# endif
void CRYPTO_mem_leaks(struct bio_st *bio);
/* unsigned long order, char *file, int line, int num_bytes, char *addr */
typedef void *CRYPTO_MEM_LEAK_CB (unsigned long, const char *, int, int,
                                  void *);
void CRYPTO_mem_leaks_cb(CRYPTO_MEM_LEAK_CB *cb);

/* die if we have to */
void OpenSSLDie(const char *file, int line, const char *assertion);
# define OPENSSL_assert(e)       (void)((e) ? 0 : (OpenSSLDie(__FILE__, __LINE__, #e),1))

unsigned long *OPENSSL_ia32cap_loc(void);
# define OPENSSL_ia32cap (*(OPENSSL_ia32cap_loc()))
int OPENSSL_isservice(void);

int FIPS_mode(void);
int FIPS_mode_set(int r);

void OPENSSL_init(void);

# define fips_md_init(alg) fips_md_init_ctx(alg, alg)
# define nonfips_md_init(alg) nonfips_md_init_ctx(alg, alg)
# define fips_md_init_ctx(alg, cx) \
        int alg##_Init(cx##_CTX *c)

# ifdef OPENSSL_FIPS
#  define nonfips_md_init_ctx(alg, cx) \
        int alg##_Init(cx##_CTX *c) \
        { \
        if (FIPS_mode()) OpenSSLDie(__FILE__, __LINE__, \
                "Digest " #alg " forbidden in FIPS mode!"); \
        return private_##alg##_Init(c); \
        } \
        int private_##alg##_Init(cx##_CTX *c)

#  define fips_cipher_abort(alg) \
        if (FIPS_mode()) OpenSSLDie(__FILE__, __LINE__, \
                "Cipher " #alg " forbidden in FIPS mode!")

/* die if FIPS selftest failed */
void FIPS_selftest_check(void);

# else
#  define nonfips_md_init_ctx(alg, cx) fips_md_init_ctx(alg, cx)
#  define fips_cipher_abort(alg) while(0)
# endif

/*
 * CRYPTO_memcmp returns zero iff the |len| bytes at |a| and |b| are equal.
 * It takes an amount of time dependent on |len|, but independent of the
 * contents of |a| and |b|. Unlike memcmp, it cannot be used to put elements
 * into a defined order as the return value when a != b is undefined, other
 * than to be non-zero.
 */
int CRYPTO_memcmp(const volatile void *a, const volatile void *b, size_t len);

/* BEGIN ERROR CODES */
/*
 * The following lines are auto generated by the script mkerr.pl. Any changes
 * made after this point may be overwritten when the script is next run.
 */
void ERR_load_CRYPTO_strings(void);

# define OPENSSL_HAVE_INIT       1
void OPENSSL_init_library(void);

/* Error codes for the CRYPTO functions. */

/* Function codes. */
# define CRYPTO_F_CRYPTO_GET_EX_NEW_INDEX                 100
# define CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID                103
# define CRYPTO_F_CRYPTO_GET_NEW_LOCKID                   101
# define CRYPTO_F_CRYPTO_SET_EX_DATA                      102
# define CRYPTO_F_DEF_ADD_INDEX                           104
# define CRYPTO_F_DEF_GET_CLASS                           105
# define CRYPTO_F_FIPS_MODE_SET                           109
# define CRYPTO_F_INT_DUP_EX_DATA                         106
# define CRYPTO_F_INT_FREE_EX_DATA                        107
# define CRYPTO_F_INT_NEW_EX_DATA                         108

/* Reason codes. */
# define CRYPTO_R_FIPS_MODE_NOT_SUPPORTED                 101
# define CRYPTO_R_NO_DYNLOCK_CREATE_CALLBACK              100

#ifdef  __cplusplus
}
#endif
#endif