rand.h
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- /* crypto/rand/rand.h */
- /* 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.]
- */
- #ifndef HEADER_RAND_H
- #define HEADER_RAND_H
- #include <stdlib.h>
- #include <openssl/ossl_typ.h>
- #include <openssl/e_os2.h>
- #if defined(OPENSSL_SYS_WINDOWS)
- #include <windows.h>
- #endif
- #ifdef __cplusplus
- extern "C" {
- #endif
- #if defined(OPENSSL_FIPS)
- #define FIPS_RAND_SIZE_T size_t
- #endif
- /* Already defined in ossl_typ.h */
- /* typedef struct rand_meth_st RAND_METHOD; */
- struct rand_meth_st
- {
- void (*seed)(const void *buf, int num);
- int (*bytes)(unsigned char *buf, int num);
- void (*cleanup)(void);
- void (*add)(const void *buf, int num, double entropy);
- int (*pseudorand)(unsigned char *buf, int num);
- int (*status)(void);
- };
- #ifdef BN_DEBUG
- extern int rand_predictable;
- #endif
- int RAND_set_rand_method(const RAND_METHOD *meth);
- const RAND_METHOD *RAND_get_rand_method(void);
- #ifndef OPENSSL_NO_ENGINE
- int RAND_set_rand_engine(ENGINE *engine);
- #endif
- RAND_METHOD *RAND_SSLeay(void);
- void RAND_cleanup(void );
- int RAND_bytes(unsigned char *buf,int num);
- int RAND_pseudo_bytes(unsigned char *buf,int num);
- void RAND_seed(const void *buf,int num);
- void RAND_add(const void *buf,int num,double entropy);
- int RAND_load_file(const char *file,long max_bytes);
- int RAND_write_file(const char *file);
- const char *RAND_file_name(char *file,size_t num);
- int RAND_status(void);
- int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes);
- int RAND_egd(const char *path);
- int RAND_egd_bytes(const char *path,int bytes);
- int RAND_poll(void);
- #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32)
- void RAND_screen(void);
- int RAND_event(UINT, WPARAM, LPARAM);
- #endif
- /* 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_RAND_strings(void);
- /* Error codes for the RAND functions. */
- /* Function codes. */
- #define RAND_F_RAND_GET_RAND_METHOD 101
- #define RAND_F_SSLEAY_RAND_BYTES 100
- /* Reason codes. */
- #define RAND_R_PRNG_NOT_SEEDED 100
- #ifdef __cplusplus
- }
- #endif
- #endif