{"id":477294,"date":"2023-08-09T09:10:23","date_gmt":"2023-08-09T09:10:23","guid":{"rendered":""},"modified":"2023-09-05T11:14:25","modified_gmt":"2023-09-05T11:14:25","slug":"four-way-handshake","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/kr\/wiki\/four-way-handshake\/","title":{"rendered":"4\ubc29\ud5a5 \uc545\uc218"},"content":{"rendered":"<p>4\ubc29\ud5a5 \ud578\ub4dc\uc170\uc774\ud06c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ubb34\uc120 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \uc7a5\uce58 \uac04 \ubcf4\uc548 \uc5f0\uacb0\uc744 \uc124\uc815\ud558\uae30 \uc704\ud574 \ucef4\ud4e8\ud130 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \uc911\uc694\ud55c \ud504\ub85c\uc138\uc2a4\uc785\ub2c8\ub2e4. \uc774\ub294 \ud074\ub77c\uc774\uc5b8\ud2b8(\uc608: \ub178\ud2b8\ubd81\uc774\ub098 \uc2a4\ub9c8\ud2b8\ud3f0\uacfc \uac19\uc740 \uc7a5\uce58)\uc640 \uc561\uc138\uc2a4 \ud3ec\uc778\ud2b8(\uc608: Wi-Fi \ub77c\uc6b0\ud130) \ubaa8\ub450 \ubcf4\uc548 \ud1b5\uc2e0\uc744 \uc704\ud55c \uc62c\ubc14\ub978 \uc790\uaca9 \uc99d\uba85\uc744 \uac00\uc9c0\uace0 \uc788\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4. \uc774 \ud578\ub4dc\uc170\uc774\ud06c \ud504\ub85c\ud1a0\ucf5c\uc740 \ubb34\ub2e8 \uc561\uc138\uc2a4\ub97c \ubc29\uc9c0\ud558\uace0 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud55c \ub370\uc774\ud130 \uc804\uc1a1\uc744 \ubcf4\ud638\ud558\ub294 \ub370 \uae30\ubcf8\uc801\uc778 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/p>\n<h2>Four-way handshake\uc758 \uc720\ub798\uc640 \ucd5c\ucd08 \uc5b8\uae09\uc758 \uc5ed\uc0ac.<\/h2>\n<p>4\ubc29\ud5a5 \ud578\ub4dc\uc170\uc774\ud06c \uac1c\ub150\uc740 Wi-Fi \ub124\ud2b8\uc6cc\ud06c\uc758 \ubcf4\uc548 \uba54\ucee4\ub2c8\uc998\uc744 \uc815\uc758\ud558\ub294 IEEE 802.11 \ud45c\uc900\uc758 802.11i \uc218\uc815\uc548\uc5d0\uc11c \ucc98\uc74c \ub3c4\uc785\ub418\uc5c8\uc2b5\ub2c8\ub2e4. IEEE 802.11i \uc218\uc815\uc548\uc740 \uc774\uc804 WEP(Wired Equivalent Privacy) \ubc0f WPA(Wi-Fi Protected Access) \ud504\ub85c\ud1a0\ucf5c\uc5d0 \uc874\uc7ac\ud558\ub294 \ubcf4\uc548 \ucde8\uc57d\uc131\uc744 \ud574\uacb0\ud558\uae30 \uc704\ud574 2004\ub144\uc5d0 \ubc1c\ud45c\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>4\ubc29\ud5a5 \ud578\ub4dc\uc170\uc774\ud06c\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \uc815\ubcf4\uc785\ub2c8\ub2e4. \uc8fc\uc81c \ud655\uc7a5 4\ubc29\ud5a5 \ud578\ub4dc\uc170\uc774\ud06c.<\/h2>\n<p>4\ubc29\ud5a5 \ud578\ub4dc\uc170\uc774\ud06c\ub294 \uc624\ub298\ub0a0 Wi-Fi \ub124\ud2b8\uc6cc\ud06c \ubcf4\uc548\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 WPA2(Wi-Fi Protected Access 2) \ubcf4\uc548 \ud504\ub85c\ud1a0\ucf5c\uc758 \ud575\uc2ec \ubd80\ubd84\uc785\ub2c8\ub2e4. \uc774\ub294 \ub2e8\uacc4\ubcc4 \ubc29\uc2dd\uc73c\ub85c \ud074\ub77c\uc774\uc5b8\ud2b8 \uc7a5\uce58\uc640 \uc561\uc138\uc2a4 \ud3ec\uc778\ud2b8 \uc0ac\uc774\uc5d0 \ubcf4\uc548 \uc5f0\uacb0\uc744 \uc124\uc815\ud558\uc5ec \ub370\uc774\ud130 \uc804\uc1a1\uc774 \uc2dc\uc791\ub418\uae30 \uc804\uc5d0 \uc591 \ub2f9\uc0ac\uc790\uac00 \uc62c\ubc14\ub978 \uc554\ud638\ud654 \ud0a4\ub97c \ubcf4\uc720\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud558\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>Four-way handshake\uc758 \ub0b4\ubd80 \uad6c\uc870. 4\ubc29\ud5a5 \ud578\ub4dc\uc170\uc774\ud06c\uc758 \uc791\ub3d9 \ubc29\uc2dd.<\/h2>\n<p>4\ubc29\ud5a5 \ud578\ub4dc\uc170\uc774\ud06c\uc5d0\ub294 \ud074\ub77c\uc774\uc5b8\ud2b8\uc640 \uc561\uc138\uc2a4 \ud3ec\uc778\ud2b8 \uac04\uc5d0 \uad50\ud658\ub418\ub294 4\uac1c\uc758 \uba54\uc2dc\uc9c0\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\n<p><strong>\uba54\uc2dc\uc9c0 1 - \uc694\uccad(M1)<\/strong>: \ud074\ub77c\uc774\uc5b8\ud2b8\ub294 \ub124\ud2b8\uc6cc\ud06c\uc5d0 \ucc38\uc5ec\ud558\ub824\ub294 \uc758\ub3c4\ub97c \ub098\ud0c0\ub0b4\ub294 \uc694\uccad\uc744 \uc561\uc138\uc2a4 \ud3ec\uc778\ud2b8\uc5d0 \ubcf4\ub0b4 \ud578\ub4dc\uc170\uc774\ud06c\ub97c \uc2dc\uc791\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uba54\uc2dc\uc9c0 2 - \uc751\ub2f5(M2)<\/strong>: \ud074\ub77c\uc774\uc5b8\ud2b8\uc758 \uc694\uccad\uc5d0 \ub300\ud55c \uc751\ub2f5\uc73c\ub85c \uc561\uc138\uc2a4 \ud3ec\uc778\ud2b8\ub294 nonce(\ub09c\uc218) \ubc0f \uadf8\ub8f9 \ud0a4\ub97c \ud3ec\ud568\ud55c \uc911\uc694\ud55c \uc815\ubcf4\uac00 \ud3ec\ud568\ub41c \uba54\uc2dc\uc9c0\ub97c \ubcf4\ub0c5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uba54\uc2dc\uc9c0 3 - \uc694\uccad(M3)<\/strong>: \ud074\ub77c\uc774\uc5b8\ud2b8\ub294 PSK(\uc0ac\uc804 \uacf5\uc720 \ud0a4)\uc640 nonce\uc5d0\uc11c \ud30c\uc0dd\ub41c PTK(Pairwise Transient Key)\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc554\ud638\ud654\ub41c nonce \ubc0f \ucd94\uac00 \ub370\uc774\ud130\ub97c \ud3ec\ud568\ud558\uc5ec \ub2e4\ub978 \uc694\uccad\uc744 \ubcf4\ub0b4 \uc561\uc138\uc2a4 \ud3ec\uc778\ud2b8\uc5d0 \uc751\ub2f5\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uba54\uc2dc\uc9c0 4 - \uc751\ub2f5(M4)<\/strong>: \uc561\uc138\uc2a4 \ud3ec\uc778\ud2b8\ub294 PTK\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc554\ud638\ud654\ub41c nonce\uc640 \ucd94\uac00 \ub370\uc774\ud130\uac00 \ud3ec\ud568\ub41c \ucd5c\uc885 \uba54\uc2dc\uc9c0\ub97c \uc804\uc1a1\ud558\uc5ec \ud074\ub77c\uc774\uc5b8\ud2b8\uc758 \uc694\uccad\uc744 \uc2b9\uc778\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<p>\uc774 \uad50\ud658 \ud6c4\uc5d0 \ud074\ub77c\uc774\uc5b8\ud2b8\uc640 \uc561\uc138\uc2a4 \ud3ec\uc778\ud2b8\ub294 \uc11c\ub85c\uc758 \uc790\uaca9 \uc99d\uba85\uc744 \ud655\uc778\ud558\uace0 PTK\uac00 \uc124\uc815\ub429\ub2c8\ub2e4. \uc774\uc81c \uc774 \ud0a4\ub294 \ub450 \ub2f9\uc0ac\uc790 \uac04\uc5d0 \uc804\uc1a1\ub418\ub294 \ub370\uc774\ud130\ub97c \uc554\ud638\ud654\ud558\uc5ec \uc548\uc804\ud55c \ud1b5\uc2e0 \ucc44\ub110\uc744 \ubcf4\uc7a5\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<h2>4\ubc29\ud5a5 \ud578\ub4dc\uc170\uc774\ud06c\uc758 \uc8fc\uc694 \uae30\ub2a5\uc744 \ubd84\uc11d\ud569\ub2c8\ub2e4.<\/h2>\n<p>4\ubc29\ud5a5 \ud578\ub4dc\uc170\uc774\ud06c\ub294 \ubcf4\uc548 \ud1b5\uc2e0\uc744 \uc704\ud55c \uba87 \uac00\uc9c0 \ud544\uc218 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\n<p><strong>\uc0c1\ud638\uc778\uc99d<\/strong>: \ud074\ub77c\uc774\uc5b8\ud2b8\uc640 \uc561\uc138\uc2a4 \ud3ec\uc778\ud2b8\ub294 \ubaa8\ub450 \ud578\ub4dc\uc170\uc774\ud06c \ud504\ub85c\uc138\uc2a4 \uc911\uc5d0 \uc11c\ub85c\uc758 ID\uc640 \uc790\uaca9 \uc99d\uba85\uc744 \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ub3d9\uc801 \ud0a4 \uc0dd\uc131<\/strong>: \ud578\ub4dc\uc170\uc774\ud06c\ub294 \uac01 \ud074\ub77c\uc774\uc5b8\ud2b8-\uc561\uc138\uc2a4 \ud3ec\uc778\ud2b8 \uc30d\uc5d0 \ub300\ud574 \uace0\uc720\ud55c PTK\ub97c \uc0dd\uc131\ud558\ubbc0\ub85c \uacf5\uaca9\uc790\uac00 \ud578\ub4dc\uc170\uc774\ud06c \uba54\uc2dc\uc9c0\ub97c \ucea1\ucc98\ud558\ub354\ub77c\ub3c4 \ud1b5\uc2e0\uc758 \uc554\ud638\ub97c \ud574\ub3c5\ud558\uae30 \uc5b4\ub835\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc2e0\uc120\ud55c \ub17c\uc2a4<\/strong>: \ud578\ub4dc\uc170\uc774\ud06c\uc5d0 \uc0ac\uc6a9\ub418\ub294 Nonce\ub294 \uac01 \uc138\uc158\ub9c8\ub2e4 \ubb34\uc791\uc704\uc774\uace0 \uace0\uc720\ud558\ubbc0\ub85c \uc7ac\uc0dd \uacf5\uaca9\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc21c\ubc29\ud5a5 \ube44\ubc00\uc131<\/strong>: \ub370\uc774\ud130\ub97c \uc554\ud638\ud654\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\ub294 PTK\ub294 PSK\uc5d0\uc11c \uc9c1\uc811 \ud30c\uc0dd\ub418\uc9c0 \uc54a\uace0 \ud578\ub4dc\uc170\uc774\ud06c \uc911\uc5d0 \uad50\ud658\ub41c nonce\uc5d0\uc11c \ud30c\uc0dd\ub429\ub2c8\ub2e4. \uc774 \uc18d\uc131\uc740 \ud558\ub098\uc758 PTK\uac00 \uc190\uc0c1\ub418\ub354\ub77c\ub3c4 \uacfc\uac70 \ub610\ub294 \ubbf8\ub798\uc758 \ud1b5\uc2e0\uc774 \uc190\uc0c1\ub418\uc9c0 \uc54a\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<h2>\uc5b4\ub5a4 \uc720\ud615\uc758 4\ubc29\ud5a5 \ud578\ub4dc\uc170\uc774\ud06c\uac00 \uc788\ub294\uc9c0 \uc801\uc5b4 \ubcf4\uc138\uc694. \ud45c\uc640 \ubaa9\ub85d\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc791\uc131\ud558\uc138\uc694.<\/h2>\n<p>\uc77c\ubc18\uc801\uc73c\ub85c WPA2-PSK(\uc0ac\uc804 \uacf5\uc720 \ud0a4) \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 4\ubc29\ud5a5 \ud578\ub4dc\uc170\uc774\ud06c \uc720\ud615\uc740 \ud55c \uac00\uc9c0\ubfd0\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \uc554\ud638\ud654 \ud504\ub85c\ud1a0\ucf5c\uc5d0 \ub530\ub77c \ud0a4\uac00 \ud30c\uc0dd\ub418\ub294 \ubc29\uc2dd\uc774 \uc57d\uac04 \ub2e4\ub97c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><strong>4\ubc29\ud5a5 \ud578\ub4dc\uc170\uc774\ud06c\uc758 \uc720\ud615<\/strong>:<\/p>\n<ul>\n<li>WPA2-PSK: \uc0ac\uc804 \uacf5\uc720 \ud0a4(\ube44\ubc00\ubc88\ud638)\ub97c \uc778\uc99d\uc5d0 \uc0ac\uc6a9\ud558\ub294 \uac00\uc815 \ubc0f \uc18c\uaddc\ubaa8 \uc0ac\ubb34\uc2e4 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li>WPA2-Enterprise: \uc778\uc99d \uc11c\ubc84(\uc608: RADIUS)\uac00 \uc778\uc99d \ud504\ub85c\uc138\uc2a4\ub97c \ucc98\ub9ac\ud558\ub294 \ub300\uaddc\ubaa8 \uc870\uc9c1\uc5d0\uc11c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>Four-way handshake \uc0ac\uc6a9\ubc29\ubc95\uacfc \uc0ac\uc6a9\uc5d0 \ub530\ub978 \ubb38\uc81c\uc810 \ubc0f \ud574\uacb0\ubc29\ubc95\uc744 \uc18c\uac1c\ud569\ub2c8\ub2e4.<\/h2>\n<h3>4\ubc29\ud5a5 \ud578\ub4dc\uc170\uc774\ud06c\ub97c \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95:<\/h3>\n<ol>\n<li>\n<p><strong>Wi-Fi \ub124\ud2b8\uc6cc\ud06c \ubcf4\uc548<\/strong>: 4\ubc29\ud5a5 \ud578\ub4dc\uc170\uc774\ud06c\uc758 \uae30\ubcf8 \ubaa9\uc801\uc740 Wi-Fi \ub124\ud2b8\uc6cc\ud06c\uc758 \ud074\ub77c\uc774\uc5b8\ud2b8\uc640 \uc561\uc138\uc2a4 \ud3ec\uc778\ud2b8 \uac04\uc5d0 \ubcf4\uc548 \uc5f0\uacb0\uc744 \uc124\uc815\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>IoT \uc7a5\uce58 \ubcf4\uc548<\/strong>: IoT(\uc0ac\ubb3c \uc778\ud130\ub137) \uc7a5\uce58\uc640 \uc561\uc138\uc2a4 \ud3ec\uc778\ud2b8 \uac04\uc758 \ud1b5\uc2e0 \ubcf4\uc548\uc744 \uc704\ud574 4\ubc29\ud5a5 \ud578\ub4dc\uc170\uc774\ud06c\ub97c \uc801\uc6a9\ud558\uc5ec \ub370\uc774\ud130 \ubb34\uacb0\uc131\uacfc \uae30\ubc00\uc131\uc744 \ubcf4\uc7a5\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<h3>\ubb38\uc81c \ubc0f \ud574\uacb0 \ubc29\ubc95:<\/h3>\n<ol>\n<li>\n<p><strong>\uc0ac\uc804 \uacf5\uaca9<\/strong>: \uacf5\uaca9\uc790\ub294 PSK\uc5d0 \ubb34\ucc28\ubcc4 \uacf5\uaca9\uc744 \uac00\ud558\uc5ec Wi-Fi \ube44\ubc00\ubc88\ud638 \ud06c\ub799\uc744 \uc2dc\ub3c4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \uc644\ud654\ud558\ub824\uba74 \uc0ac\uc6a9\uc790\ub294 \uc0ac\uc804 \uacf5\uaca9\uc5d0 \uac15\ud55c \uac15\ub825\ud558\uace0 \ubcf5\uc7a1\ud55c \ube44\ubc00\ubc88\ud638\ub97c \uc120\ud0dd\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>WPA2 \ucde8\uc57d\uc810<\/strong>: WPA2\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc548\uc804\ud558\uc9c0\ub9cc \uacfc\uac70\uc5d0\ub294 \ud578\ub4dc\uc170\uc774\ud06c\uc758 \uc57d\uc810\uc744 \uc545\uc6a9\ud560 \uc218 \uc788\ub294 \ucde8\uc57d\uc810(\uc608: KRACK \uacf5\uaca9)\uc774 \uc788\uc5c8\uc2b5\ub2c8\ub2e4. \uc561\uc138\uc2a4 \ud3ec\uc778\ud2b8 \ubc0f \ud074\ub77c\uc774\uc5b8\ud2b8 \uc7a5\uce58\uc5d0 \ub300\ud55c \uc815\uae30\uc801\uc778 \ud38c\uc6e8\uc5b4 \uc5c5\ub370\uc774\ud2b8\ub294 \uc774\ub7ec\ud55c \ucde8\uc57d\uc810\uc744 \ud328\uce58\ud558\ub294 \ub370 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc7ac\uc0dd \uacf5\uaca9<\/strong>: \uacf5\uaca9\uc790\ub294 \ubb34\ub2e8 \uc561\uc138\uc2a4\ub97c \uc5bb\uae30 \uc704\ud574 \ud578\ub4dc\uc170\uc774\ud06c \uba54\uc2dc\uc9c0\ub97c \ucea1\ucc98\ud558\uace0 \uc7ac\uc0dd\ud558\ub824\uace0 \uc2dc\ub3c4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc0c8\ub85c\uc6b4 nonce\ub97c \uc0ac\uc6a9\ud558\uace0 \uc554\ud638\ud654 \uc54c\uace0\ub9ac\uc998\uc744 \uc801\uc808\ud558\uac8c \uad6c\ud604\ud558\uba74 \uc7ac\uc0dd \uacf5\uaca9\uc744 \ubc29\uc9c0\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<h2>\uc8fc\uc694 \ud2b9\uc9d5 \ubc0f \uae30\ud0c0 \uc720\uc0ac\ud55c \uc6a9\uc5b4\uc640\uc758 \ube44\uad50\ub97c \ud45c\uc640 \ubaa9\ub85d \ud615\ud0dc\ub85c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/h2>\n<table>\n<thead>\n<tr>\n<th>\ud2b9\uc131<\/th>\n<th>4\ubc29\ud5a5 \uc545\uc218<\/th>\n<th>\uc0bc\uc790 \uc545\uc218<\/th>\n<th>\uc591\ubc29\ud5a5 \uc545\uc218<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\uad50\ud658\ub41c \uba54\uc2dc\uc9c0 \uc218<\/td>\n<td>4<\/td>\n<td>3<\/td>\n<td>2<\/td>\n<\/tr>\n<tr>\n<td>\uc0c1\ud638\uc778\uc99d<\/td>\n<td>\uc608<\/td>\n<td>\uc608<\/td>\n<td>\uc544\ub2c8\uc694<\/td>\n<\/tr>\n<tr>\n<td>\ub3d9\uc801 \ud0a4 \uc0dd\uc131<\/td>\n<td>\uc608<\/td>\n<td>\uc544\ub2c8\uc694<\/td>\n<td>\uc544\ub2c8\uc694<\/td>\n<\/tr>\n<tr>\n<td>\uc77c\ubc18\uc801\uc778 \uc0ac\uc6a9 \uc0ac\ub840<\/td>\n<td>Wi-Fi \ubcf4\uc548<\/td>\n<td>TCP \uc5f0\uacb0<\/td>\n<td>\uac04\ub2e8\ud55c \uba54\uc2dc\uc9d5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>4\ubc29\ud5a5 \ud578\ub4dc\uc170\uc774\ud06c\uc5d0 \uad00\ud55c \ubbf8\ub798 \uc804\ub9dd\uacfc \uae30\uc220.<\/h2>\n<p>Wi-Fi \ub124\ud2b8\uc6cc\ud06c\uc758 \uae30\ubcf8 \ubcf4\uc548 \uba54\ucee4\ub2c8\uc998\uc778 4\ubc29\ud5a5 \ud578\ub4dc\uc170\uc774\ud06c\ub294 \uacc4\uc18d\ud574\uc11c \ubbf8\ub798 \ubb34\uc120 \ud1b5\uc2e0 \uae30\uc220\uc758 \uc911\uc694\ud55c \uad6c\uc131 \uc694\uc18c\uac00 \ub420 \uac83\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc554\ud638\ud654 \uc54c\uace0\ub9ac\uc998\uacfc \uc778\uc99d \ubc29\ubc95\uc758 \ubc1c\uc804\uc774 \ud1b5\ud569\ub418\uc5b4 \ud578\ub4dc\uc170\uc774\ud06c\uc758 \ubcf4\uc548\uc744 \uac15\ud654\ud558\uace0 \uc0c8\ub85c\uc6b4 \uc704\ud611\uc5d0 \ub300\ud55c \ud0c4\ub825\uc131\uc744 \ub192\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\ud504\ub85d\uc2dc \uc11c\ubc84\ub97c \uc0ac\uc6a9\ud558\uac70\ub098 4\ubc29\ud5a5 \ud578\ub4dc\uc170\uc774\ud06c\uc640 \uc5f0\uacb0\ud558\ub294 \ubc29\ubc95.<\/h2>\n<p>\ud504\ub85d\uc2dc \uc11c\ubc84\ub294 \ud074\ub77c\uc774\uc5b8\ud2b8\uc640 \uc11c\ubc84 \uc0ac\uc774\uc758 \uc911\uac1c\uc790 \uc5ed\ud560\uc744 \ud558\uc5ec \ucd94\uac00\uc801\uc778 \ubcf4\uc548 \ubc0f \uac1c\uc778 \uc815\ubcf4 \ubcf4\ud638 \uacc4\uce35\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ud504\ub85d\uc2dc \uc11c\ubc84\ub294 Wi-Fi \ub124\ud2b8\uc6cc\ud06c\uc758 \ud074\ub77c\uc774\uc5b8\ud2b8\uc640 \uc561\uc138\uc2a4 \ud3ec\uc778\ud2b8 \uac04\uc758 4\ubc29\ud5a5 \ud578\ub4dc\uc170\uc774\ud06c \ud504\ub85c\uc138\uc2a4\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce58\uc9c0 \uc54a\uc9c0\ub9cc \ud578\ub4dc\uc170\uc774\ud06c\uc640 \ud568\uaed8 \uc0ac\uc6a9\ud558\uc5ec \ub2e4\uc591\ud55c \ubc29\ubc95\uc73c\ub85c \ubcf4\uc548\uc744 \uac15\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\n<p><strong>\uc554\ud638\ud654\ub41c \ub370\uc774\ud130 \uc804\uc1a1<\/strong>: \ud504\ub85d\uc2dc \uc11c\ubc84\ub294 \ud074\ub77c\uc774\uc5b8\ud2b8\uc640 \uc11c\ubc84 \uac04\uc5d0 \uc804\uc1a1\ub418\ub294 \ub370\uc774\ud130\ub97c \uc554\ud638\ud654\ud558\uc5ec 4\ubc29\ud5a5 \ud578\ub4dc\uc170\uc774\ud06c\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \uc554\ud638\ud654\ub97c \ubcf4\uc644\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc775\uba85\uc131\uacfc \uac1c\uc778\uc815\ubcf4 \ubcf4\ud638<\/strong>: \ud504\ub85d\uc2dc \uc11c\ubc84\ub294 \ud074\ub77c\uc774\uc5b8\ud2b8\uc758 IP \uc8fc\uc18c\ub97c \uc561\uc138\uc2a4 \ud3ec\uc778\ud2b8\ub098 \uc11c\ubc84\ub85c\ubd80\ud130 \uc228\uae38 \uc218 \uc788\uc5b4 \ud1b5\uc2e0 \uc911 \uc775\uba85\uc131\uacfc \uac1c\uc778 \uc815\ubcf4 \ubcf4\ud638\ub97c \uac15\ud654\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ud2b8\ub798\ud53d \ud544\ud130\ub9c1<\/strong>: \ud504\ub85d\uc2dc \uc11c\ubc84\ub294 \uc545\uc131 \ud2b8\ub798\ud53d\uc744 \ud544\ud130\ub9c1\ud558\uace0 \ucc28\ub2e8\ud560 \uc218 \uc788\uc73c\uba70 \uc7a0\uc7ac\uc801\uc778 \uacf5\uaca9\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \ucd94\uac00 \ubcf4\uc548 \uacc4\uce35\uc744 \ucd94\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<h2>\uad00\ub828\ub41c \ub9c1\ud06c\ub4e4<\/h2>\n<p>4\ubc29\ud5a5 \ud578\ub4dc\uc170\uc774\ud06c \ubc0f \ub124\ud2b8\uc6cc\ud06c \ubcf4\uc548\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \ub0b4\uc6a9\uc740 \ub2e4\uc74c \ub9ac\uc18c\uc2a4\ub97c \ucc38\uc870\ud558\uc138\uc694.<\/p>\n<ul>\n<li><a href=\"https:\/\/ieeexplore.ieee.org\/standard\/9426962\" target=\"_new\" rel=\"noopener nofollow\">IEEE 802.11 \ud45c\uc900<\/a><\/li>\n<li><a href=\"https:\/\/www.wi-fi.org\/\" target=\"_new\" rel=\"noopener nofollow\">Wi-Fi \uc5bc\ub77c\uc774\uc5b8\uc2a4<\/a><\/li>\n<li><a href=\"https:\/\/www.wi-fi.org\/security\/wpa2\" target=\"_new\" rel=\"noopener nofollow\">WPA2 \ubcf4\uc548 \uac1c\uc694<\/a><\/li>\n<\/ul>\n<p>\ub124\ud2b8\uc6cc\ud06c \ubcf4\uc548\uc744 \ub2e4\ub8e8\ub294 \ubaa8\ub4e0 \uc0ac\ub78c\uc5d0\uac8c\ub294 4\ubc29\ud5a5 \ud578\ub4dc\uc170\uc774\ud06c\ub97c \uc774\ud574\ud558\ub294 \uac83\uc774 \uc911\uc694\ud558\uba70 \uc774\ub97c \uc62c\ubc14\ub974\uac8c \uad6c\ud604\ud558\uba74 Wi-Fi \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud574 \uc804\uc1a1\ub418\ub294 \ub370\uc774\ud130\uc758 \uae30\ubc00\uc131\uacfc \ubb34\uacb0\uc131\uc774 \ubcf4\uc7a5\ub429\ub2c8\ub2e4.<\/p>","protected":false},"featured_media":477295,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477294","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Four-way handshake: Ensuring Secure Communication in Computer Networks<\/mark>","faq_items":[{"question":"What is the Four-way handshake, and why is it important for Wi-Fi networks?","answer":"<p>The Four-way handshake is a process used in Wi-Fi networks to establish a secure connection between a client device (e.g., laptop, smartphone) and an access point (e.g., Wi-Fi router). It ensures mutual authentication and dynamic key generation, making it essential for securing data transmission and preventing unauthorized access.<\/p>"},{"question":"How does the Four-way handshake work?","answer":"<p>The Four-way handshake involves four messages exchanged between the client and the access point. First, the client sends a request to join the network, and the access point responds with important information, including a nonce and a group key. The client then sends another request, including its nonce and encrypted data. Finally, the access point acknowledges the client's request, and both parties establish a unique Pairwise Transient Key (PTK) for secure communication.<\/p>"},{"question":"What are the key features of the Four-way handshake?","answer":"<p>The Four-way handshake provides mutual authentication, dynamic key generation, fresh nonces for preventing replay attacks, and forward secrecy. These features ensure a secure and resilient communication channel between the client and the access point.<\/p>"},{"question":"Are there different types of Four-way handshakes?","answer":"<p>Typically, there is only one type of Four-way handshake used in Wi-Fi networks, which is WPA2-PSK. However, variations may exist based on the encryption protocol used, such as WPA2-Enterprise for larger organizations with authentication servers.<\/p>"},{"question":"How can Four-way handshake be used with proxy servers?","answer":"<p>Proxy servers can work alongside the Four-way handshake to enhance security. They can encrypt data transmission, provide anonymity and privacy by hiding the client's IP address, and filter malicious traffic, adding an extra layer of protection.<\/p>"},{"question":"What are some potential issues related to Four-way handshake and their solutions?","answer":"<p>Common issues include dictionary attacks on weak passwords and vulnerabilities in WPA2. To address these, users should choose strong passwords, and regular firmware updates should be performed on access points and client devices.<\/p>"},{"question":"Where can I find more information about Four-way handshake and network security?","answer":"<p>For more in-depth details on the Four-way handshake and network security, you can refer to the IEEE 802.11 Standard, Wi-Fi Alliance's website, and explore their WPA2 security overview. OneProxy's comprehensive article is also a valuable resource on this topic.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki\/477294","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki\/477294\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/media\/477295"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/media?parent=477294"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}