crypto.h

openssl加密例子

#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_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)


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);
void CRYPTO_set_id_callback(unsigned long (*func)(void));
unsigned long (*CRYPTO_get_id_callback(void))(void);
unsigned long CRYPTO_thread_id(void);
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 *);
void *CRYPTO_malloc(int num, const char *file, int line);
void CRYPTO_free(void *);
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))

#ifdef OPENSSL_FIPS
#define FIPS_ERROR_IGNORED(alg) OpenSSLDie(__FILE__, __LINE__, \
		alg " previous FIPS forbidden algorithm error ignored");

#define FIPS_BAD_ABORT(alg) OpenSSLDie(__FILE__, __LINE__, \
		#alg " Algorithm forbidden in FIPS mode");

#ifdef OPENSSL_FIPS_STRICT
#define FIPS_BAD_ALGORITHM(alg) FIPS_BAD_ABORT(alg)
#else
#define FIPS_BAD_ALGORITHM(alg) \
	{ \
	FIPSerr(FIPS_F_HASH_FINAL,FIPS_R_NON_FIPS_METHOD); \
	ERR_add_error_data(2, "Algorithm=", #alg); \
	return 0; \
	}
#endif

/* Low level digest API blocking macro */

#define FIPS_NON_FIPS_MD_Init(alg) \
	int alg##_Init(alg##_CTX *c) \
		{ \
		if (FIPS_mode()) \
			FIPS_BAD_ALGORITHM(alg) \
		return private_##alg##_Init(c); \
		} \
	int private_##alg##_Init(alg##_CTX *c)

/* For ciphers the API often varies from cipher to cipher and each needs to
 * be treated as a special case. Variable key length ciphers (Blowfish, RC4,
 * CAST) however are very similar and can use a blocking macro.
 */

#define FIPS_NON_FIPS_VCIPHER_Init(alg) \
	void alg##_set_key(alg##_KEY *key, int len, const unsigned char *data) \
		{ \
		if (FIPS_mode()) \
			FIPS_BAD_ABORT(alg) \
		private_##alg##_set_key(key, len, data); \
		} \
	void private_##alg##_set_key(alg##_KEY *key, int len, \
					const unsigned char *data)

#else

#define FIPS_NON_FIPS_VCIPHER_Init(alg) \
	void alg##_set_key(alg##_KEY *key, int len, const unsigned char *data)

#define FIPS_NON_FIPS_MD_Init(alg) \
	int alg##_Init(alg##_CTX *c) 

#endif /* def OPENSSL_FIPS */

/* 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);

/* 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_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_NO_DYNLOCK_CREATE_CALLBACK		 100

#ifdef  __cplusplus
}
#endif
#endif