1/* $OpenBSD: rand_lib.c,v 1.24 2024/04/10 14:53:01 beck Exp $ */ 2/* 3 * Copyright (c) 2014 Ted Unangst <tedu@openbsd.org> 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18#include <stdlib.h> 19 20#include <openssl/opensslconf.h> 21 22#include <openssl/rand.h> 23 24/* 25 * The useful functions in this file are at the bottom. 26 */ 27int 28RAND_set_rand_method(const RAND_METHOD *meth) 29{ 30 return 1; 31} 32LCRYPTO_ALIAS(RAND_set_rand_method); 33 34const RAND_METHOD * 35RAND_get_rand_method(void) 36{ 37 return NULL; 38} 39LCRYPTO_ALIAS(RAND_get_rand_method); 40 41RAND_METHOD * 42RAND_SSLeay(void) 43{ 44 return NULL; 45} 46LCRYPTO_ALIAS(RAND_SSLeay); 47 48void 49RAND_cleanup(void) 50{ 51 52} 53LCRYPTO_ALIAS(RAND_cleanup); 54 55void 56RAND_seed(const void *buf, int num) 57{ 58 59} 60LCRYPTO_ALIAS(RAND_seed); 61 62void 63RAND_add(const void *buf, int num, double entropy) 64{ 65 66} 67LCRYPTO_ALIAS(RAND_add); 68 69int 70RAND_status(void) 71{ 72 return 1; 73} 74LCRYPTO_ALIAS(RAND_status); 75 76int 77RAND_poll(void) 78{ 79 return 1; 80} 81LCRYPTO_ALIAS(RAND_poll); 82 83/* 84 * Hurray. You've made it to the good parts. 85 */ 86int 87RAND_bytes(unsigned char *buf, int num) 88{ 89 if (num > 0) 90 arc4random_buf(buf, num); 91 return 1; 92} 93LCRYPTO_ALIAS(RAND_bytes); 94 95int 96RAND_pseudo_bytes(unsigned char *buf, int num) 97{ 98 if (num > 0) 99 arc4random_buf(buf, num); 100 return 1; 101} 102LCRYPTO_ALIAS(RAND_pseudo_bytes); 103