\u672c\u6587\u65e8\u5728\u5206\u4eab\u4e0eWiFi\u76f8\u5173\u7684\u5b89\u5168\u7814\u7a76\u548c\u5206\u6790\u5b9e\u9645\u653b\u51fb\u6848\u4f8b\uff0c\u5982PMKID\u3001KARMA\u548cKrack\u7b49\u3002WiFi\u8d77\u6e90\u4e8e\u65e0\u7ebf\u5c40\u57df\u7f51\u534f\u8bae\uff08WLAN\uff09\uff0c\u5e76\u7ecf\u8fc7\u591a\u5e74\u7684\u53d1\u5c55\u6210\u4e3aWiFi\u3002WiFi\u7684\u53d1\u5c55\u53ef\u4ee5\u8ffd\u6eaf\u52301971\u5e74ALOHAnet\u63d0\u51fa\u7684\u591a\u5740\u63a5\u5165\u601d\u60f3\u3002\u7136\u800c\uff0c\u6211\u4eec\u5c06\u76f4\u63a5\u8df3\u52301985\u5e74\uff0c\u5f53\u65f6\u7f8e\u56fd\u8054\u90a6\u901a\u4fe1\u59d4\u5458\u4f1a\uff08FCC\uff09\u9996\u6b21\u5f00\u653e2.4GHz\u7b49\u9891\u6bb5\uff0c\u4e3a\u65e0\u7ebf\u5c40\u57df\u7f51\u7684\u53d1\u5c55\u5960\u5b9a\u4e86\u57fa\u7840\u3002\u6269\u9891\u901a\u4fe1\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5176\u4e2d\u84dd\u7259\u4f7f\u7528\u8df3\u9891\uff0cWiFi\u4f7f\u7528\u76f4\u5e8f\u6269\u9891\u3002<\/p>\n
\u57281989\u5e74\uff0c\u7b2c\u4e00\u4e2a\u65e0\u7ebf\u5c40\u57df\u7f51\u4ea7\u54c1WaveLAN\u95ee\u4e16\uff0c\u5e76\u4e8e\u6b21\u5e74\u6210\u7acb\u4e86IEEE 802.11\u59d4\u5458\u4f1a\uff0c\u5f00\u59cb\u5236\u5b9a\u65e0\u7ebf\u5c40\u57df\u7f51\u7684\u4e13\u7528\u534f\u8bae\u3002WaveLAN\u7ecf\u8fc7\u591a\u6b21\u90e8\u7f72\u5c1d\u8bd5\uff0c\u5728\u4ea7\u4e1a\u754c\u79ef\u7d2f\u4e86\u5b9e\u8df5\u57fa\u7840\u3002WiFi\u6700\u521d\u662f\u4e00\u4e2a\u72ec\u7acb\u7684\u5b8c\u6574\u534f\u8bae\uff0c\u540e\u6765\u88abIEEE 802.11\u59d4\u5458\u4f1a\u63a5\u53d7\u5e76\u6210\u4e3a802.11a\u6807\u51c6\u3002<\/p>\n
1999\u5e74\uff0cWi-Fi\u8054\u76df\u6210\u7acb\uff0c\u8be5\u975e\u76c8\u5229\u8054\u76df\u7531\u591a\u4e2a\u5382\u5546\u53d1\u8d77\uff0c\u81f4\u529b\u4e8e\u89e3\u51b3\u5de5\u4e1a\u754c\u7684\u517c\u5bb9\u6027\u548c\u7edf\u4e00\u95ee\u9898\u3002\u540c\u5e74\uff0cIEEE\u9881\u5e03\u4e86802.11b\u534f\u8bae\uff0c\u8fd9\u662fWiFi\u534f\u8bae\u7684\u91cc\u7a0b\u7891\uff0c\u65e9\u671f\u7b14\u8bb0\u672c\u7535\u8111\u548cPS\u6e38\u620f\u673a\u4e2d\u7684\u65e0\u7ebf\u529f\u80fd\u90fd\u57fa\u4e8e802.11b\u3002\u6b64\u5916\uff0c\u82f9\u679c\u8fd8\u63a8\u51fa\u4e86\u57fa\u4e8eWiFi\u539f\u7406\u7684Airport\u6280\u672f\u3002<\/p>\n
2000\u5e74\uff0c802.11a\u6b63\u5f0f\u901a\u8fc7\uff0c\u4f46\u7531\u4e8e\u5f53\u65f65GHz\u5f00\u653e\u7684\u4fe1\u9053\u6709\u9650\uff0c802.11a\u5e76\u6ca1\u6709\u5f97\u5230\u5e7f\u6cdb\u63a8\u5e7f\u30022003\u5e74\uff0c802.11g\u534f\u8bae\u6807\u51c6\u9881\u5e03\uff0c\u4fee\u6b63\u4e86802.11a\u7684\u4e0d\u8db3\uff0c\u5e76\u57282.4GHz\u9891\u6bb5\u4e0a\u4f7f\u7528OFDM\u6280\u672f\u30022004\u5e74\uff0c802.11i\u6807\u51c6\u9881\u5e03\uff0c\u91cd\u70b9\u662fWiFi\u7684\u5b89\u5168\u6027\u30022009\u5e74\uff0c802.11n\u6807\u51c6\u53d1\u5e03\uff0c\u5f15\u5165\u4e86MIMO\uff08\u591a\u8f93\u5165\u591a\u8f93\u51fa\uff09\u6280\u672f\u30022014\u5e74\uff0c802.11ac\u6807\u51c6\u53d1\u5e03\uff0c\u5f15\u5165\u4e86\u4e0b\u884cMU-MIMO\u6280\u672f\u30022019\u5e74\uff0c802.11ax\u6807\u51c6\u53d1\u5e03\uff0c\u4e5f\u79f0\u4e3aWiFi6\uff0c\u5f15\u5165\u4e86\u53cc\u5411MU-MIMO\u6280\u672f\u3002<\/p>\n
\u9664\u4e86\u4ee5\u4e0a\u51e0\u4e2a\u5173\u952e\u6807\u51c6\u5916\uff0c\u8fd8\u6709\u5176\u4ed6\u4e00\u4e9b\u6807\u51c6\u3002\u53ef\u4ee5\u5728802.11_Timelines\u4e2d\u67e5\u770b\u6240\u6709802.11\u6807\u51c6\u548c\u65f6\u95f4\u7ebf\u3002\u6839\u636e\u6f14\u8fdb\u7684\u65b9\u5411\uff0c\u53ef\u4ee5\u6982\u62ec\u4e3a\u4e0b\u56fe\uff1a<\/p>\n
WiFi\u7684\u5b89\u5168\u6027\u4e0d\u4ec5\u4ec5\u6d89\u53ca\u7269\u7406\u5c42\u548c\u94fe\u8def\u5c42\u7684\u5b9e\u73b0\uff0c\u8fd8\u6d89\u53ca\u534f\u8bae\u548c\u5b9e\u73b0\u7684\u5b89\u5168\u6027\u3002WPA\uff08Wi-Fi Protected Access\uff09\u662fWiFi\u8054\u76df\u4e3a\u89e3\u51b3WEP\uff08Wired Equivalent Privacy\uff09\u4e2d\u5b58\u5728\u7684\u5b89\u5168\u95ee\u9898\u800c\u63a8\u51fa\u7684\u89e3\u51b3\u65b9\u6848\u3002WPA\u6700\u521d\u4f5c\u4e3a\u8349\u6848\u53d1\u5e03\uff0c\u5e76\u4e3a\u540e\u7eed\u66f4\u5b8c\u5584\u7684WPA2\u94fa\u5e73\u4e86\u9053\u8def\uff0c\u8fd9\u4e24\u8005\u90fd\u5b9a\u4e49\u5728802.11i\u6807\u51c6\u4e2d\u3002\u76ee\u524d\u5e7f\u6cdb\u4f7f\u7528\u7684WiFi\u5b89\u5168\u4fdd\u62a4\u8bbf\u95ee\u662fWPA2\u6807\u51c6\u3002\u57282018\u5e741\u6708\uff0cWiFi\u8054\u76df\u63a8\u51fa\u4e86WPA3\uff0c\u5728WPA2\u7684\u57fa\u7840\u4e0a\u8fdb\u884c\u4e86\u4e00\u4e9b\u5b89\u5168\u589e\u5f3a\u3002WPA\u662f\u4e00\u4e2a\u6807\u51c6\uff0c\u800c\u6211\u4eec\u5e38\u89c1\u7684WPA-PSK TKIP\/AES-CCMP\u662f\u5177\u4f53\u7684\u52a0\u5bc6\u6a21\u5f0f\u548c\u52a0\u5bc6\u65b9\u6cd5\u3002<\/p>\n
\u5728WiFi\u5b89\u5168\u4e2d\uff0c\u56db\u8def\u63e1\u624b\u8d77\u7740\u91cd\u8981\u7684\u4f5c\u7528\u3002\u56db\u8def\u63e1\u624b\u7684\u76ee\u7684\u662f\u5b89\u5168\u5730\u9a8c\u8bc1\u548c\u4ea4\u6362\u5bc6\u94a5\uff0c\u9a8c\u8bc1\u5bf9\u7aef\u7684\u5408\u6cd5\u6027\uff0c\u9632\u6b62\u4e2d\u95f4\u4eba\u653b\u51fb\u3002\u56db\u8def\u63e1\u624b\u6d89\u53ca\u7684\u4e00\u4e9b\u672f\u8bed\u5305\u62ecANonce\u3001SNonce\u3001PMK\u3001PTK\u548cGTK\u7b49\u3002\u901a\u8fc7\u8ba1\u7b97\u8fd9\u4e9b\u53c2\u6570\uff0c\u53ef\u4ee5\u751f\u6210\u7528\u4e8e\u52a0\u5bc6\u5ba2\u6237\u7aef\u548cAP\u4e4b\u95f4\u6d41\u91cf\u7684PTK\uff08Pairwise Transit Key\uff09\u3002<\/p>\n
\u9664\u4e86\u56db\u8def\u63e1\u624b\uff0c\u8fd8\u5b58\u5728\u4e00\u4e9b\u5e38\u89c1\u7684WiFi\u5b89\u5168\u95ee\u9898\u548c\u653b\u51fb\u6848\u4f8b\u3002\u5176\u4e2d\uff0c\u66b4\u529b\u7834\u89e3\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u653b\u51fb\u65b9\u5f0f\uff0c\u901a\u8fc7\u4e0d\u65ad\u5c1d\u8bd5\u4e0d\u540c\u7684\u5bc6\u7801\u6765\u83b7\u53d6PSK\u6216PMK\u3002\u53e6\u4e00\u4e2a\u653b\u51fb\u6848\u4f8b\u662fPMKID\u653b\u51fb\uff0c\u5229\u7528AP\u7b2c\u4e00\u6b21\u63e1\u624b\u6570\u636e\u5305\u4e2d\u7684RSN PMKID\u5b57\u6bb5\u8fdb\u884c\u672c\u5730\u66b4\u529b\u7834\u89e3\uff0c\u800c\u65e0\u9700\u5ba2\u6237\u7aef\u5728\u7ebf\u3002KARMA\u548cMANA\u653b\u51fb\u5229\u7528\u4f2a\u9020\u7684\u70ed\u70b9\u4fe1\u606f\u8bf1\u4f7f\u5ba2\u6237\u7aef\u8fde\u63a5\u6076\u610f\u70ed\u70b9\u3002Krack\u653b\u51fb\u5229\u7528\u91cd\u653e\u63e1\u624b\u4fe1\u606f\uff0c\u4f7f\u5ba2\u6237\u7aef\u91cd\u65b0\u5b89\u88c5\u76f8\u540c\u7684\u79d8\u94a5\uff0c\u4ece\u800c\u89e3\u5bc6\u52a0\u5bc6\u7684\u6570\u636e\u3002Kr00k\u6f0f\u6d1e\u5f71\u54cdBroadcom\u548cCypress\u7f51\u5361\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u89e3\u5bc6\u5ba2\u6237\u7aef\u53d1\u9001\u7684\u6570\u636e\u3002<\/p>\n
\u603b\u4e4b\uff0cWiFi\u5b89\u5168\u95ee\u9898\u662f\u4e00\u4e2a\u590d\u6742\u7684\u9886\u57df\uff0c\u6d89\u53ca\u534f\u8bae\u8bbe\u8ba1\u3001\u5b9e\u73b0\u548c\u6f0f\u6d1e\u7b49\u591a\u4e2a\u65b9\u9762\u3002\u901a\u8fc7\u4e0d\u65ad\u7684\u7814\u7a76\u548c\u52aa\u529b\uff0cWiFi\u7684\u5b89\u5168\u6027\u5c06\u4e0d\u65ad\u63d0\u5347\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u66b4\u529b\u7834\u89e3\u63e1\u624b\u5305 WiFi\u5b89\u5168\u4e0e\u653b\u51fb\u6848\u4f8b\u5206\u6790\u672c\u6587\u4e3b\u8981\u5206\u4eabWiFi\u76f8\u5173\u7684\u4e00\u4e9b\u5b89\u5168\u7814\u7a76\uff0c\u4ee5\u53ca\u5206\u6790\u51e0\u4e2a\u5b9e\u9645\u7684\u653b\u51fb\u6848\u4f8b\uff0c\u5982PMKID\u3001KARMA\u3001Krack\u7b49\u3002WiFi\u8d77\u6e90WiFi\u662f\u4e00\u79cd\u65e0\u7ebf\u5c40\u57df\u7f51\u534f\u8bae(WLAN)\uff0c\u7ecf\u8fc7\u591a\u5e74\u7684\u53d1\u5c55<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"topic":[],"class_list":["post-4001","post","type-post","status-publish","format-standard","hentry","category-1"],"_links":{"self":[{"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/posts\/4001","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/comments?post=4001"}],"version-history":[{"count":0,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/posts\/4001\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/media?parent=4001"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/categories?post=4001"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/tags?post=4001"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/topic?post=4001"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}