1/* 2 * Copyright (c) 2000-2001,2011,2014 Apple Inc. All Rights Reserved. 3 * 4 * The contents of this file constitute Original Code as defined in and are 5 * subject to the Apple Public Source License Version 1.2 (the 'License'). 6 * You may not use this file except in compliance with the License. Please obtain 7 * a copy of the License at http://www.apple.com/publicsource and read it before 8 * using this file. 9 * 10 * This Original Code and all software distributed under the License are 11 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS 12 * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT 13 * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 14 * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the 15 * specific language governing rights and limitations under the License. 16 */ 17 18 19/* crypto/rand/rand.h */ 20/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 21 * All rights reserved. 22 * 23 * This package is an SSL implementation written 24 * by Eric Young (eay@cryptsoft.com). 25 * The implementation was written so as to conform with Netscapes SSL. 26 * 27 * This library is free for commercial and non-commercial use as long as 28 * the following conditions are aheared to. The following conditions 29 * apply to all code found in this distribution, be it the RC4, RSA, 30 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 31 * included with this distribution is covered by the same copyright terms 32 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 33 * 34 * Copyright remains Eric Young's, and as such any Copyright notices in 35 * the code are not to be removed. 36 * If this package is used in a product, Eric Young should be given attribution 37 * as the author of the parts of the library used. 38 * This can be in the form of a textual message at program startup or 39 * in documentation (online or textual) provided with the package. 40 * 41 * Redistribution and use in source and binary forms, with or without 42 * modification, are permitted provided that the following conditions 43 * are met: 44 * 1. Redistributions of source code must retain the copyright 45 * notice, this list of conditions and the following disclaimer. 46 * 2. Redistributions in binary form must reproduce the above copyright 47 * notice, this list of conditions and the following disclaimer in the 48 * documentation and/or other materials provided with the distribution. 49 * 3. All advertising materials mentioning features or use of this software 50 * must display the following acknowledgement: 51 * "This product includes cryptographic software written by 52 * Eric Young (eay@cryptsoft.com)" 53 * The word 'cryptographic' can be left out if the rouines from the library 54 * being used are not cryptographic related :-). 55 * 4. If you include any Windows specific code (or a derivative thereof) from 56 * the apps directory (application code) you must include an acknowledgement: 57 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 58 * 59 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 60 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 61 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 62 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 63 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 64 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 65 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 66 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 67 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 68 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 69 * SUCH DAMAGE. 70 * 71 * The licence and distribution terms for any publically available version or 72 * derivative of this code cannot be changed. i.e. this code cannot simply be 73 * copied and put under another distribution licence 74 * [including the GNU Public Licence.] 75 */ 76 77#ifndef HEADER_RAND_H 78#define HEADER_RAND_H 79 80#ifdef __cplusplus 81extern "C" { 82#endif 83 84typedef struct rand_meth_st 85 { 86 void (*seed)(const void *buf, int num); 87 int (*bytes)(unsigned char *buf, int num); 88 void (*cleanup)(void); 89 void (*add)(const void *buf, int num, double entropy); 90 int (*pseudorand)(unsigned char *buf, int num); 91 int (*status)(void); 92 } RAND_METHOD; 93 94#ifdef BN_DEBUG 95extern int rand_predictable; 96#endif 97 98void RAND_set_rand_method(RAND_METHOD *meth); 99RAND_METHOD *RAND_get_rand_method(void ); 100RAND_METHOD *RAND_SSLeay(void); 101void RAND_cleanup(void ); 102int RAND_bytes(unsigned char *buf,int num); 103int RAND_pseudo_bytes(unsigned char *buf,int num); 104void RAND_seed(const void *buf,int num); 105void RAND_add(const void *buf,int num,double entropy); 106int RAND_load_file(const char *file,long max_bytes); 107int RAND_write_file(const char *file); 108const char *RAND_file_name(char *file,int num); 109int RAND_status(void); 110int RAND_egd(const char *path); 111#if defined(WINDOWS) || defined(WIN32) 112#include <windows.h> 113void RAND_screen(void); 114int RAND_event(UINT, WPARAM, LPARAM); 115#endif 116void ERR_load_RAND_strings(void); 117 118/* BEGIN ERROR CODES */ 119/* The following lines are auto generated by the script mkerr.pl. Any changes 120 * made after this point may be overwritten when the script is next run. 121 */ 122 123/* Error codes for the RAND functions. */ 124 125/* Function codes. */ 126#define RAND_F_SSLEAY_RAND_BYTES 100 127 128/* Reason codes. */ 129#define RAND_R_PRNG_NOT_SEEDED 100 130 131#ifdef __cplusplus 132} 133#endif 134#endif 135 136