{"id":479712,"date":"2023-08-09T10:43:48","date_gmt":"2023-08-09T10:43:48","guid":{"rendered":""},"modified":"2024-07-01T04:50:41","modified_gmt":"2024-07-01T04:50:41","slug":"wpa-key","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/wpa-key\/","title":{"rendered":"kh\u00f3a WPA"},"content":{"rendered":"<p>Th\u00f4ng tin t\u00f3m t\u1eaft v\u1ec1 kh\u00f3a WPA<\/p>\n<p>Kh\u00f3a truy c\u1eadp \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 Wi-Fi (WPA) l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a giao th\u1ee9c b\u1ea3o m\u1eadt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1ea3o m\u1eadt m\u1ea1ng kh\u00f4ng d\u00e2y. N\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt c\u1ee7a h\u1ec7 th\u1ed1ng m\u00e3 h\u00f3a WEP (Quy\u1ec1n ri\u00eang t\u01b0 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng c\u00f3 d\u00e2y) tr\u01b0\u1edbc \u0111\u00e2y v\u00e0 k\u00e9m an to\u00e0n h\u01a1n. Kh\u00f3a WPA m\u00e3 h\u00f3a th\u00f4ng tin tr\u00ean m\u1ea1ng kh\u00f4ng d\u00e2y, \u0111\u1ea3m b\u1ea3o r\u1eb1ng ng\u01b0\u1eddi d\u00f9ng tr\u00e1i ph\u00e9p kh\u00f4ng th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c.<\/p>\n<h2>L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a kh\u00f3a WPA v\u00e0 s\u1ef1 \u0111\u1ec1 c\u1eadp \u0111\u1ea7u ti\u00ean v\u1ec1 n\u00f3<\/h2>\n<p>L\u1ecbch s\u1eed c\u1ee7a kh\u00f3a WPA b\u1eaft \u0111\u1ea7u t\u1eeb n\u0103m 2003 khi Li\u00ean minh Wi-Fi gi\u1edbi thi\u1ec7u ti\u00eau chu\u1ea9n WPA nh\u01b0 m\u1ed9t gi\u1ea3i ph\u00e1p t\u1ea1m th\u1eddi \u0111\u1ec3 thay th\u1ebf h\u1ec7 th\u1ed1ng WEP b\u1ecb l\u1ed7i. N\u00f3 \u0111\u01b0\u1ee3c ch\u00ednh th\u1ee9c ph\u00ea chu\u1ea9n l\u00e0 IEEE 802.11i v\u00e0o n\u0103m 2004.<\/p>\n<p>Vi\u1ec7c \u0111\u1ec1 c\u1eadp \u0111\u1ebfn WPA l\u1ea7n \u0111\u1ea7u ti\u00ean l\u00e0 \u0111\u1ec3 \u0111\u00e1p l\u1ea1i m\u1ed1i lo ng\u1ea1i ng\u00e0y c\u00e0ng t\u0103ng v\u1ec1 s\u1ef1 thi\u1ebfu b\u1ea3o m\u1eadt trong m\u1ea1ng Wi-Fi. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u v\u00e0 chuy\u00ean gia b\u1ea3o m\u1eadt \u0111\u00e3 ch\u1ee9ng minh \u0111\u01b0\u1ee3c nh\u1eefng l\u1ed7 h\u1ed5ng nghi\u00eam tr\u1ecdng trong WEP, d\u1eabn \u0111\u1ebfn vi\u1ec7c ph\u00e1t tri\u1ec3n WPA nh\u01b0 m\u1ed9t l\u1ef1a ch\u1ecdn an to\u00e0n h\u01a1n.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 kh\u00f3a WPA. M\u1edf r\u1ed9ng ch\u1ee7 \u0111\u1ec1 Kh\u00f3a WPA<\/h2>\n<p>WPA \u0111\u00e3 gi\u1edbi thi\u1ec7u hai c\u1ea3i ti\u1ebfn quan tr\u1ecdng so v\u1edbi WEP: m\u00e3 h\u00f3a \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n v\u00e0 t\u00edch h\u1ee3p trao \u0111\u1ed5i kh\u00f3a \u0111\u1ed9ng. C\u00f3 hai phi\u00ean b\u1ea3n WPA: WPA v\u00e0 WPA2, trong \u0111\u00f3 WPA2 l\u00e0 phi\u00ean b\u1ea3n an to\u00e0n h\u01a1n.<\/p>\n<ul>\n<li><strong>WPA (WPA1):<\/strong> S\u1eed d\u1ee5ng Giao th\u1ee9c to\u00e0n v\u1eb9n kh\u00f3a t\u1ea1m th\u1eddi (TKIP) \u0111\u1ec3 m\u00e3 h\u00f3a.<\/li>\n<li><strong>WPA2:<\/strong> \u0110\u01b0\u1ee3c gi\u1edbi thi\u1ec7u v\u00e0o n\u0103m 2004 v\u00e0 s\u1eed d\u1ee5ng m\u00e3 h\u00f3a Ti\u00eau chu\u1ea9n m\u00e3 h\u00f3a n\u00e2ng cao (AES).<\/li>\n<\/ul>\n<p>Nh\u1eefng c\u1ea3i ti\u1ebfn n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng kh\u00f3a WPA cung c\u1ea5p m\u1ee9c \u0111\u1ed9 b\u1ea3o m\u1eadt cao h\u01a1n so v\u1edbi kh\u00f3a ti\u1ec1n nhi\u1ec7m, khi\u1ebfn k\u1ebb t\u1ea5n c\u00f4ng kh\u00f3 x\u00e2m ph\u1ea1m m\u1ea1ng h\u01a1n.<\/p>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a kh\u00f3a WPA. Kh\u00f3a WPA ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/h2>\n<p>Kh\u00f3a WPA ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch m\u00e3 h\u00f3a d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n qua m\u1ea1ng. C\u1ea5u tr\u00fac b\u00ean trong bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>Kh\u00f3a chia s\u1ebb tr\u01b0\u1edbc (PSK):<\/strong> Kh\u00f3a b\u00ed m\u1eadt \u0111\u01b0\u1ee3c chia s\u1ebb gi\u1eefa m\u1ea1ng v\u00e0 thi\u1ebft b\u1ecb.<\/li>\n<li><strong>B\u1eaft tay b\u1ed1n chi\u1ec1u:<\/strong> M\u1ed9t quy tr\u00ecnh \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u1ea3 m\u00e1y kh\u00e1ch v\u00e0 \u0111i\u1ec3m truy c\u1eadp \u0111\u1ec1u s\u1edf h\u1eefu PSK, t\u1ea1o ra kh\u00f3a m\u00e3 h\u00f3a m\u1edbi.<\/li>\n<li><strong>Thu\u1eadt to\u00e1n m\u00e3 h\u00f3a:<\/strong> WPA s\u1eed d\u1ee5ng TKIP, trong khi WPA2 s\u1eed d\u1ee5ng AES \u0111\u1ec3 m\u00e3 h\u00f3a.<\/li>\n<\/ul>\n<p>C\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y ph\u1ed1i h\u1ee3p v\u1edbi nhau \u0111\u1ec3 b\u1ea3o m\u1eadt m\u1ea1ng, ng\u0103n ch\u1eb7n truy c\u1eadp tr\u00e1i ph\u00e9p.<\/p>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a kh\u00f3a WPA<\/h2>\n<ul>\n<li><strong>M\u00e3 h\u00f3a m\u1ea1nh:<\/strong> Kh\u00f3a WPA s\u1eed d\u1ee5ng thu\u1eadt to\u00e1n m\u00e3 h\u00f3a m\u1ea1nh m\u1ebd.<\/li>\n<li><strong>Trao \u0111\u1ed5i kh\u00f3a \u0111\u1ed9ng:<\/strong> \u0110i\u1ec1u n\u00e0y ng\u0103n ch\u1eb7n \u201cc\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u1eb7p l\u1ea1i\u201d.<\/li>\n<li><strong>Ki\u1ec3m so\u00e1t x\u00e1c th\u1ef1c:<\/strong> Ch\u1ec9 nh\u1eefng ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c \u1ee7y quy\u1ec1n m\u1edbi c\u00f3 th\u1ec3 truy c\u1eadp m\u1ea1ng.<\/li>\n<li><strong>Chuy\u1ec3n ti\u1ebfp b\u00ed m\u1eadt:<\/strong> L\u01b0u l\u01b0\u1ee3ng truy c\u1eadp c\u0169 v\u1eabn \u0111\u01b0\u1ee3c b\u1ea3o m\u1eadt ngay c\u1ea3 khi kh\u00f3a b\u1ecb x\u00e2m ph\u1ea1m sau \u0111\u00f3.<\/li>\n<\/ul>\n<h2>C\u00e1c lo\u1ea1i kh\u00f3a WPA<\/h2>\n<p>Kh\u00f3a WPA c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n th\u00e0nh hai lo\u1ea1i ch\u00ednh:<\/p>\n<ol>\n<li><strong>WPA c\u00e1 nh\u00e2n (WPA-PSK):<\/strong> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng cho m\u1ea1ng gia \u0111\u00ecnh. Kh\u00f4ng c\u1ea7n m\u00e1y ch\u1ee7 x\u00e1c th\u1ef1c.<\/li>\n<li><strong>WPA doanh nghi\u1ec7p (WPA-EAP):<\/strong> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng kinh doanh. Y\u00eau c\u1ea7u m\u1ed9t m\u00e1y ch\u1ee7 x\u00e1c th\u1ef1c.<\/li>\n<\/ol>\n<table>\n<thead>\n<tr>\n<th>Ki\u1ec3u<\/th>\n<th>Thu\u1eadt to\u00e1n m\u00e3 h\u00f3a<\/th>\n<th>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>WPA c\u00e1 nh\u00e2n<\/td>\n<td>TKIP<\/td>\n<td>M\u1ea1ng gia \u0111\u00ecnh<\/td>\n<\/tr>\n<tr>\n<td>WPA2 c\u00e1 nh\u00e2n<\/td>\n<td>AES<\/td>\n<td>M\u1ea1ng gia \u0111\u00ecnh<\/td>\n<\/tr>\n<tr>\n<td>WPA doanh nghi\u1ec7p<\/td>\n<td>TKIP<\/td>\n<td>M\u1ea1ng doanh nghi\u1ec7p\/c\u00f4ng ty<\/td>\n<\/tr>\n<tr>\n<td>Doanh nghi\u1ec7p WPA2<\/td>\n<td>AES<\/td>\n<td>M\u1ea1ng doanh nghi\u1ec7p\/c\u00f4ng ty<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1c c\u00e1ch s\u1eed d\u1ee5ng kh\u00f3a WPA, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng<\/h2>\n<p>Kh\u00f3a WPA r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1ea3o m\u1eadt m\u1ea1ng kh\u00f4ng d\u00e2y, nh\u01b0ng ch\u00fang c\u00f3 th\u1ec3 g\u00e2y ra nh\u1eefng th\u00e1ch th\u1ee9c nh\u01b0:<\/p>\n<ul>\n<li><strong>Thi\u1ebft l\u1eadp ph\u1ee9c t\u1ea1p:<\/strong> \u0110\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng doanh nghi\u1ec7p.<\/li>\n<li><strong>L\u1ed7 h\u1ed5ng ti\u1ec1m \u1ea9n:<\/strong> C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng nh\u01b0 cu\u1ed9c t\u1ea5n c\u00f4ng Krack.<\/li>\n<\/ul>\n<p><strong>C\u00e1c gi\u1ea3i ph\u00e1p:<\/strong><\/p>\n<ul>\n<li>Th\u01b0\u1eddng xuy\u00ean c\u1eadp nh\u1eadt giao th\u1ee9c b\u1ea3o m\u1eadt.<\/li>\n<li>S\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u m\u1ea1nh v\u00e0 \u0111\u1ed9c \u0111\u00e1o.<\/li>\n<\/ul>\n<h2>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 nh\u1eefng so s\u00e1nh kh\u00e1c v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n<table>\n<thead>\n<tr>\n<th>T\u00ednh n\u0103ng<\/th>\n<th>WPA<\/th>\n<th>WPA2<\/th>\n<th>WEP<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Thu\u1eadt to\u00e1n m\u00e3 h\u00f3a<\/td>\n<td>TKIP<\/td>\n<td>AES<\/td>\n<td>RC4<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea5p \u0111\u1ed9 b\u1ea3o m\u1eadt<\/td>\n<td>V\u1eeba ph\u1ea3i<\/td>\n<td>Cao<\/td>\n<td>Th\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 d\u00e0i ph\u00edm<\/td>\n<td>256-bit<\/td>\n<td>256-bit<\/td>\n<td>64 ho\u1eb7c 128-bit<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn kh\u00f3a WPA<\/h2>\n<p>Khi c\u00f4ng ngh\u1ec7 ti\u1ebfn b\u1ed9, nhu c\u1ea7u m\u00e3 h\u00f3a an to\u00e0n h\u01a1n c\u0169ng t\u0103ng theo. WPA3, \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u v\u00e0o n\u0103m 2018, \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean c\u00e1c \u0111i\u1ec3m m\u1ea1nh c\u1ee7a WPA2, cung c\u1ea5p:<\/p>\n<ul>\n<li>M\u00e3 h\u00f3a m\u1ea1nh h\u01a1n.<\/li>\n<li>C\u1ea5u h\u00ecnh b\u1ea3o m\u1eadt \u0111\u01a1n gi\u1ea3n h\u00f3a cho ng\u01b0\u1eddi d\u00f9ng.<\/li>\n<li>T\u0103ng c\u01b0\u1eddng b\u1ea3o v\u1ec7 ngay c\u1ea3 khi ng\u01b0\u1eddi d\u00f9ng ch\u1ecdn m\u1eadt kh\u1ea9u y\u1ebfu.<\/li>\n<\/ul>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi kh\u00f3a WPA<\/h2>\n<p>C\u00e1c m\u00e1y ch\u1ee7 proxy nh\u01b0 OneProxy cung c\u1ea5p m\u1ed9t l\u1edbp \u1ea9n danh v\u00e0 b\u1ea3o m\u1eadt cho ng\u01b0\u1eddi d\u00f9ng. Trong khi kh\u00f3a WPA b\u1ea3o m\u1eadt m\u1ea1ng Wi-Fi th\u00ec m\u00e1y ch\u1ee7 proxy b\u1ea3o m\u1eadt k\u1ebft n\u1ed1i internet. Khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f9ng nhau, ch\u00fang c\u00f3 th\u1ec3 cung c\u1ea5p gi\u1ea3i ph\u00e1p b\u1ea3o m\u1eadt m\u1ea1nh m\u1ebd, b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u c\u1ea3 tr\u00ean m\u1ea1ng v\u00e0 trong qu\u00e1 tr\u00ecnh truy\u1ec1n qua internet.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.wi-fi.org\/discover-wi-fi\/security\" target=\"_new\" rel=\"noopener nofollow\">Li\u00ean minh Wi-Fi \u2013 WPA3<\/a><\/li>\n<li><a href=\"https:\/\/standards.ieee.org\/standard\/802_11i-2004.html\" target=\"_new\" rel=\"noopener nofollow\">Ti\u00eau chu\u1ea9n IEEE \u2013 802.11i<\/a><\/li>\n<li><a href=\"https:\/\/oneproxy.pro\/vn\/\" target=\"_new\" rel=\"noopener\">Trang web ch\u00ednh th\u1ee9c c\u1ee7a OneProxy<\/a><\/li>\n<\/ul>","protected":false},"featured_media":479713,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-479712","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"","faq_items":null},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/479712","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":1,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/479712\/revisions"}],"predecessor-version":[{"id":505550,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/479712\/revisions\/505550"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/479713"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=479712"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}