155714Skris/* crypto/rand/rand.h */ 255714Skris/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 355714Skris * All rights reserved. 455714Skris * 555714Skris * This package is an SSL implementation written 655714Skris * by Eric Young (eay@cryptsoft.com). 755714Skris * The implementation was written so as to conform with Netscapes SSL. 8296465Sdelphij * 955714Skris * This library is free for commercial and non-commercial use as long as 1055714Skris * the following conditions are aheared to. The following conditions 1155714Skris * apply to all code found in this distribution, be it the RC4, RSA, 1255714Skris * lhash, DES, etc., code; not just the SSL code. The SSL documentation 1355714Skris * included with this distribution is covered by the same copyright terms 1455714Skris * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15296465Sdelphij * 1655714Skris * Copyright remains Eric Young's, and as such any Copyright notices in 1755714Skris * the code are not to be removed. 1855714Skris * If this package is used in a product, Eric Young should be given attribution 1955714Skris * as the author of the parts of the library used. 2055714Skris * This can be in the form of a textual message at program startup or 2155714Skris * in documentation (online or textual) provided with the package. 22296465Sdelphij * 2355714Skris * Redistribution and use in source and binary forms, with or without 2455714Skris * modification, are permitted provided that the following conditions 2555714Skris * are met: 2655714Skris * 1. Redistributions of source code must retain the copyright 2755714Skris * notice, this list of conditions and the following disclaimer. 2855714Skris * 2. Redistributions in binary form must reproduce the above copyright 2955714Skris * notice, this list of conditions and the following disclaimer in the 3055714Skris * documentation and/or other materials provided with the distribution. 3155714Skris * 3. All advertising materials mentioning features or use of this software 3255714Skris * must display the following acknowledgement: 3355714Skris * "This product includes cryptographic software written by 3455714Skris * Eric Young (eay@cryptsoft.com)" 3555714Skris * The word 'cryptographic' can be left out if the rouines from the library 3655714Skris * being used are not cryptographic related :-). 37296465Sdelphij * 4. If you include any Windows specific code (or a derivative thereof) from 3855714Skris * the apps directory (application code) you must include an acknowledgement: 3955714Skris * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40296465Sdelphij * 4155714Skris * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 4255714Skris * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4355714Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 4455714Skris * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 4555714Skris * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 4655714Skris * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 4755714Skris * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4855714Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 4955714Skris * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 5055714Skris * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5155714Skris * SUCH DAMAGE. 52296465Sdelphij * 5355714Skris * The licence and distribution terms for any publically available version or 5455714Skris * derivative of this code cannot be changed. i.e. this code cannot simply be 5555714Skris * copied and put under another distribution licence 5655714Skris * [including the GNU Public Licence.] 5755714Skris */ 5855714Skris 5955714Skris#ifndef HEADER_RAND_H 60296465Sdelphij# define HEADER_RAND_H 6155714Skris 62296465Sdelphij# include <stdlib.h> 63296465Sdelphij# include <openssl/ossl_typ.h> 64296465Sdelphij# include <openssl/e_os2.h> 6576866Skris 66296465Sdelphij# if defined(OPENSSL_SYS_WINDOWS) 67296465Sdelphij# include <windows.h> 68296465Sdelphij# endif 69109998Smarkm 7055714Skris#ifdef __cplusplus 7155714Skrisextern "C" { 7255714Skris#endif 7355714Skris 74296465Sdelphij# if defined(OPENSSL_FIPS) 75296465Sdelphij# define FIPS_RAND_SIZE_T int 76296465Sdelphij# endif 77142425Snectar 78160814Ssimon/* Already defined in ossl_typ.h */ 79160814Ssimon/* typedef struct rand_meth_st RAND_METHOD; */ 80160814Ssimon 81296465Sdelphijstruct rand_meth_st { 82296465Sdelphij void (*seed) (const void *buf, int num); 83296465Sdelphij int (*bytes) (unsigned char *buf, int num); 84296465Sdelphij void (*cleanup) (void); 85296465Sdelphij void (*add) (const void *buf, int num, double entropy); 86296465Sdelphij int (*pseudorand) (unsigned char *buf, int num); 87296465Sdelphij int (*status) (void); 88296465Sdelphij}; 8955714Skris 90296465Sdelphij# ifdef BN_DEBUG 9159191Skrisextern int rand_predictable; 92296465Sdelphij# endif 9359191Skris 94109998Smarkmint RAND_set_rand_method(const RAND_METHOD *meth); 95109998Smarkmconst RAND_METHOD *RAND_get_rand_method(void); 96296465Sdelphij# ifndef OPENSSL_NO_ENGINE 97109998Smarkmint RAND_set_rand_engine(ENGINE *engine); 98296465Sdelphij# endif 9955714SkrisRAND_METHOD *RAND_SSLeay(void); 100296465Sdelphijvoid RAND_cleanup(void); 101296465Sdelphijint RAND_bytes(unsigned char *buf, int num); 102296465Sdelphijint RAND_pseudo_bytes(unsigned char *buf, int num); 103296465Sdelphijvoid RAND_seed(const void *buf, int num); 104296465Sdelphijvoid RAND_add(const void *buf, int num, double entropy); 105296465Sdelphijint RAND_load_file(const char *file, long max_bytes); 106296465Sdelphijint RAND_write_file(const char *file); 107296465Sdelphijconst char *RAND_file_name(char *file, size_t num); 10859191Skrisint RAND_status(void); 109109998Smarkmint RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes); 11059191Skrisint RAND_egd(const char *path); 111296465Sdelphijint RAND_egd_bytes(const char *path, int bytes); 11268651Skrisint RAND_poll(void); 113296465Sdelphij# ifndef OPENSSL_NO_ENGINE 114296465Sdelphij# ifdef OPENSSL_FIPS 115194206Ssimonvoid int_RAND_init_engine_callbacks(void); 116296465Sdelphijvoid int_RAND_set_callbacks(int (*set_rand_func) (const RAND_METHOD *meth, 117296465Sdelphij const RAND_METHOD **pmeth), 118296465Sdelphij const RAND_METHOD *(*get_rand_func) (const 119296465Sdelphij RAND_METHOD 120296465Sdelphij **pmeth)); 121296465Sdelphij# endif 122296465Sdelphij# endif 12368651Skris 124296465Sdelphij# if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32) 12568651Skris 12655714Skrisvoid RAND_screen(void); 12759191Skrisint RAND_event(UINT, WPARAM, LPARAM); 12868651Skris 129296465Sdelphij# endif 13059191Skris 13159191Skris/* BEGIN ERROR CODES */ 132296465Sdelphij/* 133296465Sdelphij * The following lines are auto generated by the script mkerr.pl. Any changes 13459191Skris * made after this point may be overwritten when the script is next run. 13559191Skris */ 13689837Skrisvoid ERR_load_RAND_strings(void); 13759191Skris 13859191Skris/* Error codes for the RAND functions. */ 13959191Skris 14059191Skris/* Function codes. */ 141296465Sdelphij# define RAND_F_ENG_RAND_GET_RAND_METHOD 108 142296465Sdelphij# define RAND_F_FIPS_RAND 103 143296465Sdelphij# define RAND_F_FIPS_RAND_BYTES 102 144296465Sdelphij# define RAND_F_FIPS_RAND_GET_RAND_METHOD 109 145296465Sdelphij# define RAND_F_FIPS_RAND_SET_DT 106 146296465Sdelphij# define RAND_F_FIPS_SET_DT 104 147296465Sdelphij# define RAND_F_FIPS_SET_PRNG_SEED 107 148296465Sdelphij# define RAND_F_FIPS_SET_TEST_MODE 105 149296465Sdelphij# define RAND_F_RAND_GET_RAND_METHOD 101 150296465Sdelphij# define RAND_F_SSLEAY_RAND_BYTES 100 15159191Skris 15259191Skris/* Reason codes. */ 153296465Sdelphij# define RAND_R_NON_FIPS_METHOD 105 154296465Sdelphij# define RAND_R_NOT_IN_TEST_MODE 106 155296465Sdelphij# define RAND_R_NO_KEY_SET 107 156296465Sdelphij# define RAND_R_PRNG_ASKING_FOR_TOO_MUCH 101 157296465Sdelphij# define RAND_R_PRNG_ERROR 108 158296465Sdelphij# define RAND_R_PRNG_KEYED 109 159296465Sdelphij# define RAND_R_PRNG_NOT_REKEYED 102 160296465Sdelphij# define RAND_R_PRNG_NOT_RESEEDED 103 161296465Sdelphij# define RAND_R_PRNG_NOT_SEEDED 100 162296465Sdelphij# define RAND_R_PRNG_SEED_MUST_NOT_MATCH_KEY 110 163296465Sdelphij# define RAND_R_PRNG_STUCK 104 16459191Skris 16589837Skris#ifdef __cplusplus 16689837Skris} 16755714Skris#endif 16889837Skris#endif 169