arc4random.h revision 1.1.2.2
1 1.1.2.2 martin /* $NetBSD: arc4random.h,v 1.1.2.2 2024/10/09 13:25:11 martin Exp $ */ 2 1.1.2.2 martin 3 1.1.2.2 martin /*- 4 1.1.2.2 martin * Copyright (c) 2014 The NetBSD Foundation, Inc. 5 1.1.2.2 martin * All rights reserved. 6 1.1.2.2 martin * 7 1.1.2.2 martin * This code is derived from software contributed to The NetBSD Foundation 8 1.1.2.2 martin * by Taylor R. Campbell. 9 1.1.2.2 martin * 10 1.1.2.2 martin * Redistribution and use in source and binary forms, with or without 11 1.1.2.2 martin * modification, are permitted provided that the following conditions 12 1.1.2.2 martin * are met: 13 1.1.2.2 martin * 1. Redistributions of source code must retain the above copyright 14 1.1.2.2 martin * notice, this list of conditions and the following disclaimer. 15 1.1.2.2 martin * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.2.2 martin * notice, this list of conditions and the following disclaimer in the 17 1.1.2.2 martin * documentation and/or other materials provided with the distribution. 18 1.1.2.2 martin * 19 1.1.2.2 martin * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.1.2.2 martin * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.1.2.2 martin * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.1.2.2 martin * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.1.2.2 martin * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.1.2.2 martin * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.1.2.2 martin * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.1.2.2 martin * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.1.2.2 martin * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.1.2.2 martin * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.1.2.2 martin * POSSIBILITY OF SUCH DAMAGE. 30 1.1.2.2 martin */ 31 1.1.2.2 martin 32 1.1.2.2 martin #ifndef _LIBC_GEN_ARC4RANDOM_H_ 33 1.1.2.2 martin #define _LIBC_GEN_ARC4RANDOM_H_ 34 1.1.2.2 martin 35 1.1.2.2 martin #include <stdbool.h> 36 1.1.2.2 martin #include <stdint.h> 37 1.1.2.2 martin 38 1.1.2.2 martin #include "reentrant.h" 39 1.1.2.2 martin 40 1.1.2.2 martin struct crypto_prng { 41 1.1.2.2 martin uint8_t state[32]; 42 1.1.2.2 martin }; 43 1.1.2.2 martin 44 1.1.2.2 martin struct arc4random_prng { 45 1.1.2.2 martin struct crypto_prng arc4_prng; 46 1.1.2.2 martin unsigned arc4_epoch; 47 1.1.2.2 martin }; 48 1.1.2.2 martin 49 1.1.2.2 martin struct arc4random_global_state { 50 1.1.2.2 martin mutex_t lock; 51 1.1.2.2 martin thread_key_t thread_key; 52 1.1.2.2 martin struct arc4random_prng prng; 53 1.1.2.2 martin bool initialized; 54 1.1.2.2 martin }; 55 1.1.2.2 martin 56 1.1.2.2 martin #define arc4random_global __arc4random_global /* libc private symbol */ 57 1.1.2.2 martin 58 1.1.2.2 martin extern struct arc4random_global_state arc4random_global; 59 1.1.2.2 martin 60 1.1.2.2 martin #endif /* _LIBC_GEN_ARC4RANDOM_H_ */ 61
Indexes created Wed Oct 01 19:09:53 GMT 2025