/*?Portable?arc4random.c?based?on?arc4random.c?from?OpenBSD.
?*?Portable?version?by?Chris?Davis?adapted?for?Libevent?by?Nick?Mathewson
?*?Copyright?（c）?2010?Chris?Davis?Niels?Provos?and?Nick?Mathewson
?*?Copyright?（c）?2010-2012?Niels?Provos?and?Nick?Mathewson
?*
?*?Note?that?in?Libevent?this?file?isn‘t?compiled?directly.??Instead
?*?it‘s?included?from?evutil_rand.c
?*/

/*
?*?Copyright?（c）?1996?David?Mazieres?
?*?Copyright?（c）?2008?Damien?Miller?
?*
?*?Permission?to?use?copy?modify?and?distribute?this?software?for?any
?*?purpose?with?or?without?fee?is?hereby?granted?provided?that?the?above
?*?copyright?notice?and?this?permission?notice?appear?in?all?copies.
?*
?*?THE?SOFTWARE?IS?PROVIDED?“AS?IS“?AND?THE?AUTHOR?DISCLAIMS?ALL?WARRANTIES
?*?WITH?REGARD?TO?THIS?SOFTWARE?INCLUDING?ALL?IMPLIED?WARRANTIES?OF
?*?MERCHANTABILITY?AND?FITNESS.?IN?NO?EVENT?SHALL?THE?AUTHOR?BE?LIABLE?FOR
?*?ANY?SPECIAL?DIRECT?INDIRECT?OR?CONSEQUENTIAL?DAMAGES?OR?ANY?DAMAGES
?*?WHATSOEVER?RESULTING?FROM?LOSS?OF?USE?DATA?OR?PROFITS?WHETHER?IN?AN
?*?ACTION?OF?CONTRACT?NEGLIGENCE?OR?OTHER?TORTIOUS?ACTION?ARISING?OUT?OF
?*?OR?IN?CONNECTION?WITH?THE?USE?OR?PERFORMANCE?OF?THIS?SOFTWARE.
?*/

/*
?*?Arc4?random?number?generator?for?OpenBSD.
?*
?*?This?code?is?derived?from?section?17.1?of?Applied?Cryptography
?*?second?edition?which?describes?a?stream?cipher?allegedly
?*?compatible?with?RSA?Labs?“RC4“?cipher?（the?actual?description?of
?*?which?is?a?trade?secret）.??The?same?algorithm?is?used?as?a?stream
?*?cipher?called?“arcfour“?in?Tatu?Ylonen‘s?ssh?package.
?*
?*?Here?the?stream?cipher?has?been?modified?always?to?include?the?time
?*?when?initializing?the?state.??That?makes?it?impossible?to
?*?regenerate?the?same?random?sequence?twice?so?this?can‘t?be?used
?*?for?encryption?but?will?generate?good?random?numbers.
?*
?*?RC4?is?a?registered?trademark?of?RSA?Laboratories.
?*/

#ifndef?ARC4RANDOM_EXPORT
#define?ARC4RANDOM_EXPORT
#endif

#ifndef?ARC4RANDOM_UINT32
#define?ARC4RANDOM_UINT32?uint32_t
#endif

#ifndef?ARC4RANDOM_NO_INCLUDES
#include?“evconfig-private.h“
#ifdef?_WIN32
#include?
#include?
#else
#include?
#include?
#include?
#include?
#ifdef?EVENT__HAVE_SYS_SYSCTL_H
#include?
#endif
#endif
#include?
#include?
#include?
#endif

/*?Add?platform?entropy?32?bytes?（256?bits）?at?a?time.?*/
#define?ADD_ENTROPY?32

/*?Re-seed?from?the?platform?RNG?after?generating?this?many?bytes.?*/
#define?BYTES_BEFORE_RESEED?1600000

struct?arc4_stream?{
	unsigned?char?i;
	unsigned?char?j;
	unsigned?char?s[256];
};

#ifdef?_WIN32
#define?getpid?_getpid
#define?pid_t?int
#endif

static?int?rs_initialized;
static?struct?arc4_stream?rs;
static?pid_t?arc4_stir_pid;
static?int?arc4_count;
static?int?arc4_seeded_ok;

static?inline?unsigned?char?arc4_getbyte（void）;

static?inline?void
arc4_init（void）
{
	int?????n;

	for?（n?=?0;?n?		rs.s[n]?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????42436??2017-01-30?01:51??libevent-2.1.8-stable\aclocal.m4

?????文件??????13136??2016-10-05?03:55??libevent-2.1.8-stable\arc4random.c

?????文件????????431??2016-11-01?23:34??libevent-2.1.8-stable\autogen.sh

?????文件??????82236??2016-12-06?17:00??libevent-2.1.8-stable\buffer.c

?????文件??????18486??2016-10-05?03:55??libevent-2.1.8-stable\bufferevent-internal.h

?????文件??????26105??2016-11-01?23:34??libevent-2.1.8-stable\bufferevent.c

?????文件??????18179??2016-10-05?03:55??libevent-2.1.8-stable\bufferevent_async.c

?????文件??????18007??2017-01-30?01:51??libevent-2.1.8-stable\bufferevent_filter.c

?????文件??????39500??2017-01-22?23:26??libevent-2.1.8-stable\bufferevent_openssl.c

?????文件???????9834??2016-10-05?03:55??libevent-2.1.8-stable\bufferevent_pair.c

?????文件??????30215??2016-10-05?03:55??libevent-2.1.8-stable\bufferevent_ratelim.c

?????文件??????18814??2017-01-22?23:26??libevent-2.1.8-stable\bufferevent_sock.c

?????文件???????8639??2016-10-05?03:55??libevent-2.1.8-stable\buffer_iocp.c

?????文件???????4627??2016-10-05?03:55??libevent-2.1.8-stable\changelist-internal.h

?????文件?????101174??2017-01-30?01:36??libevent-2.1.8-stable\ChangeLog

?????文件??????17369??2016-10-05?03:55??libevent-2.1.8-stable\ChangeLog-1.4

?????文件??????83347??2016-10-05?03:55??libevent-2.1.8-stable\ChangeLog-2.0

?????文件??????16674??2016-10-05?03:55??libevent-2.1.8-stable\compat\sys\queue.h

?????文件???????7333??2017-01-15?17:34??libevent-2.1.8-stable\compile

?????文件??????42938??2017-01-15?17:34??libevent-2.1.8-stable\config.guess

?????文件??????14360??2017-01-30?01:51??libevent-2.1.8-stable\config.h.in

?????文件??????35987??2017-01-15?17:34??libevent-2.1.8-stable\config.sub

?????文件?????537802??2017-01-30?01:51??libevent-2.1.8-stable\configure

?????文件??????24549??2017-01-30?01:51??libevent-2.1.8-stable\configure.ac

?????文件???????2766??2016-10-05?03:55??libevent-2.1.8-stable\defer-internal.h

?????文件??????23566??2017-01-15?17:34??libevent-2.1.8-stable\depcomp

?????文件???????7889??2016-10-05?03:55??libevent-2.1.8-stable\devpoll.c

?????文件??????10206??2016-10-05?03:55??libevent-2.1.8-stable\Doxyfile

?????文件??????14714??2016-10-05?03:55??libevent-2.1.8-stable\epoll.c

?????文件??????41365??2016-10-05?03:55??libevent-2.1.8-stable\epolltable-internal.h

............此處省略177個文件信息