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build.sh
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darn.c
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fenestrasX
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fortuna.c
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random_harvestq.c
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random_harvestq.h
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random_infra.c
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randomdev.c
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randomdev.h
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uint128.h
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unit_test.c
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unit_test.h
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Editing: randomdev.h
/*- * Copyright (c) 2000-2015 Mark R V Murray * All rights reserved. * * 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 above copyright * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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. * * $FreeBSD$ */ #ifndef SYS_DEV_RANDOM_RANDOMDEV_H_INCLUDED #define SYS_DEV_RANDOM_RANDOMDEV_H_INCLUDED #ifdef _KERNEL /* This header contains only those definitions that are global * and non algorithm-specific for the entropy processor */ #ifdef SYSCTL_DECL /* from sysctl.h */ SYSCTL_DECL(_kern_random); SYSCTL_DECL(_kern_random_initial_seeding); #define RANDOM_CHECK_UINT(name, min, max) \ static int \ random_check_uint_##name(SYSCTL_HANDLER_ARGS) \ { \ if (oidp->oid_arg1 != NULL) { \ if (*(u_int *)(oidp->oid_arg1) <= (min)) \ *(u_int *)(oidp->oid_arg1) = (min); \ else if (*(u_int *)(oidp->oid_arg1) > (max)) \ *(u_int *)(oidp->oid_arg1) = (max); \ } \ return (sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, \ req)); \ } #endif /* SYSCTL_DECL */ MALLOC_DECLARE(M_ENTROPY); extern bool random_bypass_before_seeding; extern bool read_random_bypassed_before_seeding; extern bool arc4random_bypassed_before_seeding; extern bool random_bypass_disable_warnings; #endif /* _KERNEL */ struct harvest_event; typedef void random_alg_pre_read_t(void); typedef void random_alg_read_t(uint8_t *, size_t); typedef bool random_alg_seeded_t(void); typedef void random_alg_eventprocessor_t(struct harvest_event *); typedef u_int random_source_read_t(void *, u_int); /* * Random Algorithm is a processor of randomness for the kernel * and for userland. */ struct random_algorithm { const char *ra_ident; u_int ra_poolcount; random_alg_pre_read_t *ra_pre_read; random_alg_read_t *ra_read; random_alg_seeded_t *ra_seeded; random_alg_eventprocessor_t *ra_event_processor; }; #if defined(RANDOM_LOADABLE) extern const struct random_algorithm *p_random_alg_context; #else extern const struct random_algorithm random_alg_context; #define p_random_alg_context (&random_alg_context) #endif #ifdef _KERNEL /* * Random Source is a source of entropy that can provide * specified or approximate amount of entropy immediately * upon request. */ struct random_source { const char *rs_ident; enum random_entropy_source rs_source; random_source_read_t *rs_read; }; void random_source_register(struct random_source *); void random_source_deregister(struct random_source *); #endif /* _KERNEL */ void randomdev_unblock(void); #endif /* SYS_DEV_RANDOM_RANDOMDEV_H_INCLUDED */
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