{"id":477412,"date":"2023-08-09T09:14:25","date_gmt":"2023-08-09T09:14:25","guid":{"rendered":""},"modified":"2023-09-05T11:14:40","modified_gmt":"2023-09-05T11:14:40","slug":"handshake-protocol","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/kr\/wiki\/handshake-protocol\/","title":{"rendered":"\ud578\ub4dc\uc170\uc774\ud06c \ud504\ub85c\ud1a0\ucf5c"},"content":{"rendered":"<p>\ud578\ub4dc\uc170\uc774\ud06c \ud504\ub85c\ud1a0\ucf5c\uc740 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud574 \ub450 \ub2f9\uc0ac\uc790 \uac04\uc5d0 \ubcf4\uc548 \uc5f0\uacb0\uc744 \uc124\uc815\ud558\ub294 \ub370 \uc8fc\ub85c \uc0ac\uc6a9\ub418\ub294 \uc554\ud638\ud654 \ud1b5\uc2e0 \ud504\ub85c\ud1a0\ucf5c\uc785\ub2c8\ub2e4. \uc774\ub294 \ud2b9\ud788 \uc6f9 \ube0c\ub77c\uc6b0\uc9d5, \uc774\uba54\uc77c \uad50\ud658 \ubc0f \uc778\ud130\ub137\uc744 \ud1b5\ud55c \uae30\ud0c0 \ub370\uc774\ud130 \uc804\uc1a1\uacfc \uad00\ub828\ub41c \uc2dc\ub098\ub9ac\uc624\uc5d0\uc11c \uc548\uc804\ud558\uace0 \uc548\uc815\uc801\uc778 \ud1b5\uc2e0\uc744 \ubcf4\uc7a5\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc77c\ub828\uc758 \uc554\ud638\ud654 \uc54c\uace0\ub9ac\uc998\uacfc \uae30\uc220\uc744 \uc0ac\uc6a9\ud568\uc73c\ub85c\uc368 Handshake \ud504\ub85c\ud1a0\ucf5c\uc740 \ub2f9\uc0ac\uc790\ub4e4\uc774 \uc11c\ub85c\ub97c \uc778\uc99d\ud558\uace0, \uc554\ud638\ud654 \ub9e4\uac1c\ubcc0\uc218\ub97c \ud611\uc0c1\ud558\uace0, \ub370\uc774\ud130 \uad50\ud658\uc744 \uc704\ud55c \ubcf4\uc548 \ucc44\ub110\uc744 \uc124\uc815\ud560 \uc218 \uc788\uac8c \ud574\uc90d\ub2c8\ub2e4.<\/p>\n<h2>Handshake \ud504\ub85c\ud1a0\ucf5c\uc758 \uae30\uc6d0\uacfc \ucd5c\ucd08 \uc5b8\uae09\uc758 \uc5ed\uc0ac<\/h2>\n<p>\ud578\ub4dc\uc170\uc774\ud06c \ud504\ub85c\ud1a0\ucf5c\uc758 \uc5ed\uc0ac\ub294 \ubcf4\uc548 \ud1b5\uc2e0 \uba54\ucee4\ub2c8\uc998\uc758 \ud544\uc694\uc131\uc774 \uba85\ubc31\ud574\uc9c4 \uc778\ud130\ub137 \ucd08\uae30\ub85c \uac70\uc2ac\ub7ec \uc62c\ub77c\uac11\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud574 1970\ub144\ub300 \ud6c4\ubc18\uacfc 1980\ub144\ub300 \ucd08\ubc18\uc5d0 SSL(Secure Socket Layer) \ubc0f TLS(Transport Layer Security)\uc640 \uac19\uc740 \ucd08\uae30 \uc554\ud638\ud654 \ud504\ub85c\ud1a0\ucf5c\uc774 \ub3c4\uc785\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud504\ub85c\ud1a0\ucf5c\uc740 \uc554\ud638\ud654 \ubc0f \uc778\uc99d \uae30\ub2a5\uc744 \uc81c\uacf5\ud558\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\uc9c0\ub9cc \uba87 \uac00\uc9c0 \uc81c\ud55c \uc0ac\ud56d\uc774 \uc788\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc624\ub298\ub0a0 \uc6b0\ub9ac\uac00 \uc54c\uace0 \uc788\ub294 \ucd5c\uc2e0 \ud578\ub4dc\uc170\uc774\ud06c \ud504\ub85c\ud1a0\ucf5c\uc5d0 \ub300\ud55c \uccab \ubc88\uc9f8 \uc5b8\uae09\uc740 2008\ub144 8\uc6d4\uc5d0 \uac8c\uc2dc\ub41c IETF(Internet Engineering Task Force) RFC(Request for Comments) 5246\uc5d0\uc11c \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 RFC\uc5d0\uc11c\ub294 TLS(\uc804\uc1a1 \uacc4\uce35 \ubcf4\uc548)\uac00 \ub3c4\uc785\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \ud504\ub85c\ud1a0\ucf5c \ubc84\uc804 1.2\uc5d0\ub294 Handshake \ud504\ub85c\ud1a0\ucf5c\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \uc124\uba85\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. TLS 1.3\uacfc \uac19\uc740 TLS\uc758 \ud6c4\uc18d \ubc84\uc804\uc5d0\uc11c\ub294 Handshake \ud504\ub85c\ud1a0\ucf5c\uc774 \uacc4\uc18d\ud574\uc11c \uac1c\uc120\ub418\uace0 \ud5a5\uc0c1\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>Handshake \ud504\ub85c\ud1a0\ucf5c\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \uc815\ubcf4<\/h2>\n<p>\ud578\ub4dc\uc170\uc774\ud06c \ud504\ub85c\ud1a0\ucf5c\uc740 TLS \ud504\ub85c\ud1a0\ucf5c \uc81c\ud488\uad70\uc758 \ud544\uc218 \uad6c\uc131 \uc694\uc18c\uc785\ub2c8\ub2e4. \uc8fc\uc694 \uae30\ub2a5\uc740 \ubcf4\uc548 \ud0a4 \uad50\ud658\uc744 \ud65c\uc131\ud654\ud558\uace0 \ud6c4\uc18d \ub370\uc774\ud130 \uc804\uc1a1\uc5d0 \uc0ac\uc6a9\ub420 \uc554\ud638\ud654 \ub9e4\uac1c\ubcc0\uc218\ub97c \ud611\uc0c1\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \ud074\ub77c\uc774\uc5b8\ud2b8(\uc608: \uc6f9 \ube0c\ub77c\uc6b0\uc800)\uac00 \uc11c\ubc84(\uc608: \uc6f9 \uc0ac\uc774\ud2b8)\uc5d0 \uc5f0\uacb0\ub418\uba74 \ud578\ub4dc\uc170\uc774\ud06c \ud504\ub85c\ud1a0\ucf5c\uc774 \uc2dc\uc791\ub418\uc5b4 \uc774\ub4e4 \uc0ac\uc774\uc5d0 \ubcf4\uc548 \uc5f0\uacb0\uc744 \uc124\uc815\ud569\ub2c8\ub2e4.<\/p>\n<p>Handshake \ud504\ub85c\ud1a0\ucf5c\uc740 \ubaa9\ud45c\ub97c \ub2ec\uc131\ud558\uae30 \uc704\ud574 \uc77c\ub828\uc758 \ub2e8\uacc4\ub97c \ub530\ub985\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\n<p><strong>\ud074\ub77c\uc774\uc5b8\ud2b8\uc548\ub155\ud558\uc138\uc694<\/strong>: \ud074\ub77c\uc774\uc5b8\ud2b8\ub294 \uc9c0\uc6d0\ud558\ub294 \uc554\ud638\ud654 \uc54c\uace0\ub9ac\uc998\uacfc \ubc84\uc804\uc744 \ub098\uc5f4\ud558\ub294 ClientHello \uba54\uc2dc\uc9c0\ub97c \uc11c\ubc84\uc5d0 \ubcf4\ub0c5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc11c\ubc84\uc548\ub155\ud558\uc138\uc694<\/strong>: \uc774\uc5d0 \ub300\ud55c \uc751\ub2f5\uc73c\ub85c \uc11c\ubc84\ub294 \uc120\ud0dd\ud55c \uc554\ud638\ud654 \uc54c\uace0\ub9ac\uc998\uacfc \uc138\uc158\uc5d0 \ub300\ud55c \uae30\ud0c0 \ub9e4\uac1c \ubcc0\uc218\ub97c \ub098\ud0c0\ub0b4\ub294 ServerHello \uba54\uc2dc\uc9c0\ub97c \ubcf4\ub0c5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc778\uc99d\uc11c \uad50\ud658<\/strong>: \uc11c\ubc84\ub294 \uc11c\ubc84\uc758 \uacf5\uac1c \ud0a4\uac00 \ud3ec\ud568\ub41c \ub514\uc9c0\ud138 \uc778\uc99d\uc11c\ub97c \ud074\ub77c\uc774\uc5b8\ud2b8\uc5d0 \ubcf4\ub0c5\ub2c8\ub2e4. \uc774 \uc778\uc99d\uc11c\ub294 \uc11c\ubc84\uc758 \uc2e0\uc6d0\uc744 \uc778\uc99d\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ud0a4 \uad50\ud658<\/strong>: \ud074\ub77c\uc774\uc5b8\ud2b8\ub294 \uc784\uc758\uc758 premaster secret\uc744 \uc0dd\uc131\ud558\uace0 \uc778\uc99d\uc11c\uc758 \uc11c\ubc84 \uacf5\uac1c \ud0a4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc554\ud638\ud654\ud569\ub2c8\ub2e4. \ud074\ub77c\uc774\uc5b8\ud2b8\ub294 \uc774 \uc554\ud638\ud654\ub41c \ud504\ub9ac\ub9c8\uc2a4\ud130 \ube44\ubc00\uc744 \uc11c\ubc84\uc5d0 \ubcf4\ub0c5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc138\uc158 \ud0a4 \ud30c\uc0dd<\/strong>: \ud074\ub77c\uc774\uc5b8\ud2b8\uc640 \uc11c\ubc84 \ubaa8\ub450 premaster secret\uacfc \ud578\ub4dc\uc170\uc774\ud06c \uc911\uc5d0 \uad50\ud658\ub41c \uae30\ud0c0 \ub9e4\uac1c\ubcc0\uc218\ub85c\ubd80\ud130 \uc138\uc158 \ud0a4\ub97c \ub3c5\ub9bd\uc801\uc73c\ub85c \ud30c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc644\uc131\ub41c<\/strong>: \ub2f9\uc0ac\uc790\ub4e4\uc740 Finished \uba54\uc2dc\uc9c0\ub97c \uad50\ud658\ud558\uc5ec \ud578\ub4dc\uc250\uc774\ud06c\uac00 \uc644\ub8cc\ub418\uc5c8\uace0 \uc5f0\uacb0\uc774 \uc548\uc804\ud558\ub2e4\ub294 \ud655\uc778\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<p>\ud578\ub4dc\uc170\uc774\ud06c \ud504\ub85c\ud1a0\ucf5c\uc774 \uc131\uacf5\uc801\uc73c\ub85c \uc644\ub8cc\ub418\uba74 \ubcf4\uc548 \ucc44\ub110\uc774 \uc124\uc815\ub418\uace0 \ud611\uc0c1\ub41c \uc554\ud638\ud654 \ub9e4\uac1c\ubcc0\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud6c4\uc18d \ub370\uc774\ud130 \uc804\uc1a1\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n<h2>Handshake \ud504\ub85c\ud1a0\ucf5c\uc758 \ub0b4\ubd80 \uad6c\uc870<\/h2>\n<p>\ud578\ub4dc\uc170\uc774\ud06c \ud504\ub85c\ud1a0\ucf5c\uc740 \uc5ec\ub7ec \ud578\ub4dc\uc170\uc774\ud06c \uba54\uc2dc\uc9c0 \uc720\ud615\uc73c\ub85c \uad6c\uc131\ub418\uba70 \uac01 \uba54\uc2dc\uc9c0 \uc720\ud615\uc740 \ud578\ub4dc\uc170\uc774\ud06c \ud504\ub85c\uc138\uc2a4 \uc911\uc5d0 \ud2b9\uc815 \ubaa9\uc801\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\n<p><strong>\ud074\ub77c\uc774\uc5b8\ud2b8\uc548\ub155\ud558\uc138\uc694<\/strong>: \uc774 \uba54\uc2dc\uc9c0\ub294 \ud074\ub77c\uc774\uc5b8\ud2b8\uc5d0\uc11c \uc804\uc1a1\ub418\uba70 TLS \ubc84\uc804, \uc784\uc758 \uac12, \uc9c0\uc6d0\ub418\ub294 \uc554\ud638\ud654 \uc81c\ud488\uad70 \ubaa9\ub85d \ubc0f \uae30\ud0c0 \ub9e4\uac1c\ubcc0\uc218\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc11c\ubc84\uc548\ub155\ud558\uc138\uc694<\/strong>: \uc11c\ubc84\uc5d0\uc11c \ubcf4\ub0b8 \uc774 \uba54\uc2dc\uc9c0\uc5d0\ub294 \uc120\ud0dd\ud55c TLS \ubc84\uc804, \uc784\uc758 \uac12, \uc120\ud0dd\ud55c \uc554\ud638\ud654 \uc81c\ud488\uad70 \ubc0f \uae30\ud0c0 \ub9e4\uac1c\ubcc0\uc218\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc790\uaca9\uc99d<\/strong>: \uc11c\ubc84\ub294 \uc11c\ubc84\uc758 \uacf5\uac1c \ud0a4\uc640 \uae30\ud0c0 \uc2dd\ubcc4 \uc815\ubcf4\uac00 \ud3ec\ud568\ub41c \ub514\uc9c0\ud138 \uc778\uc99d\uc11c\ub97c \ud074\ub77c\uc774\uc5b8\ud2b8\uc5d0 \ubcf4\ub0c5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc11c\ubc84\ud0a4\uad50\ud658<\/strong> (\uc120\ud0dd \uc0ac\ud56d): \uc774 \uba54\uc2dc\uc9c0\ub294 \ud074\ub77c\uc774\uc5b8\ud2b8\uc5d0 \ucd94\uac00 \ud0a4 \uc790\ub8cc\ub97c \ubcf4\ub0b4\uc57c \ud560 \ub54c \uc11c\ubc84\uc5d0\uc11c \ubcf4\ub0c5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc778\uc99d\uc11c\uc694\uccad<\/strong> (\uc120\ud0dd \uc0ac\ud56d): \ud074\ub77c\uc774\uc5b8\ud2b8 \uc778\uc99d\uc774 \ud544\uc694\ud55c \uacbd\uc6b0 \uc11c\ubc84\ub294 \ud074\ub77c\uc774\uc5b8\ud2b8\uc758 \uc778\uc99d\uc11c\ub97c \uc694\uccad\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc11c\ubc84Hello\uc644\ub8cc<\/strong>: ServerHello \ubc0f \uc120\ud0dd\uc801 \uba54\uc2dc\uc9c0\uc758 \ub05d\uc744 \ub098\ud0c0\ub0b4\uae30 \uc704\ud574 \uc11c\ubc84\uc5d0\uc11c \uc804\uc1a1\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ud074\ub77c\uc774\uc5b8\ud2b8\ud0a4\uad50\ud658<\/strong>: \ud074\ub77c\uc774\uc5b8\ud2b8\ub294 \uc11c\ubc84\uc758 \uacf5\uac1c\ud0a4\ub85c \uc554\ud638\ud654\ub41c \ud504\ub9ac\ub9c8\uc2a4\ud130 \uc2dc\ud06c\ub9bf\uc744 \uc804\uc1a1\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc778\uc99d\uc11c\ud655\uc778<\/strong> (\uc120\ud0dd \uc0ac\ud56d): \ud074\ub77c\uc774\uc5b8\ud2b8 \uc778\uc99d\uc774 \uc218\ud589\ub418\ub294 \uacbd\uc6b0 \uc774 \uba54\uc2dc\uc9c0\uc5d0\ub294 \ud074\ub77c\uc774\uc5b8\ud2b8\uc758 \uc2e0\uc6d0\uc744 \uc99d\uba85\ud558\ub294 \ub514\uc9c0\ud138 \uc11c\uba85\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc644\uc131\ub41c<\/strong>: \ud074\ub77c\uc774\uc5b8\ud2b8\uc640 \uc11c\ubc84 \ubaa8\ub450 Finished \uba54\uc2dc\uc9c0\ub97c \ubcf4\ub0b4 \ud578\ub4dc\uc170\uc774\ud06c \uc131\uacf5\uc744 \ud655\uc778\ud558\uace0 \uc554\ud638\ud654\ub41c \ub370\uc774\ud130 \uc804\uc1a1\uc744 \ud65c\uc131\ud654\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<h2>Handshake \ud504\ub85c\ud1a0\ucf5c\uc758 \uc8fc\uc694 \uae30\ub2a5 \ubd84\uc11d<\/h2>\n<p>Handshake \ud504\ub85c\ud1a0\ucf5c\uc740 \ud6a8\uc728\uc131\uacfc \ubcf4\uc548\uc5d0 \uae30\uc5ec\ud558\ub294 \uba87 \uac00\uc9c0 \ud544\uc218 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\n<p><strong>\uc548\uc804\ud55c \ud0a4 \uad50\ud658<\/strong>: \ud578\ub4dc\uc170\uc774\ud06c \ud504\ub85c\ud1a0\ucf5c\uc740 \uc138\uc158 \ud0a4\ub97c \ud30c\uc0dd\ud558\ub294 \ub370 \uc911\uc694\ud55c \ud504\ub9ac\ub9c8\uc2a4\ud130 \ube44\ubc00\uc774 \uc11c\ubc84\uc758 \uacf5\uac1c \ud0a4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc554\ud638\ud654\ub418\ubbc0\ub85c \uc804\uc1a1 \uc911\uc5d0 \uae30\ubc00\ub85c \uc720\uc9c0\ub418\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc0c1\ud638\uc778\uc99d<\/strong>: \ud504\ub85c\ud1a0\ucf5c\uc740 \uc0c1\ud638 \uc778\uc99d\uc744 \uc9c0\uc6d0\ud558\ubbc0\ub85c \ud074\ub77c\uc774\uc5b8\ud2b8\uc640 \uc11c\ubc84 \ubaa8\ub450 \ub514\uc9c0\ud138 \uc778\uc99d\uc11c\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc11c\ub85c\uc758 \uc2e0\uc6d0\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc644\uc804 \uc21c\ubc29\ud5a5 \ube44\ubc00\uc131(PFS)<\/strong>: \ud578\ub4dc\uc170\uc774\ud06c \ud504\ub85c\ud1a0\ucf5c\uc740 PFS\ub97c \uc9c0\uc6d0\ud569\ub2c8\ub2e4. \uc989, \ub098\uc911\uc5d0 \uc11c\ubc84\uc758 \uac1c\uc778 \ud0a4\uac00 \uc190\uc0c1\ub418\ub354\ub77c\ub3c4 \uc138\uc158 \ud0a4\ub294 \uc77c\uc2dc\uc801\uc774\uace0 \uc11c\ubc84\uc758 \uac1c\uc778 \ud0a4\uc5d0\uc11c \ud30c\uc0dd\ub418\uc9c0 \uc54a\uae30 \ub54c\ubb38\uc5d0 \uacfc\uac70 \ud1b5\uc2e0\uc740 \uc548\uc804\ud558\uac8c \uc720\uc9c0\ub429\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ud638\ud658\uc131\uacfc \uc720\uc5f0\uc131<\/strong>: Handshake \ud504\ub85c\ud1a0\ucf5c\uc740 \ub2e4\uc591\ud55c \uc554\ud638\ud654 \uc54c\uace0\ub9ac\uc998\uacfc \ub9e4\uac1c\ubcc0\uc218\ub97c \ud611\uc0c1\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c \ub2e4\uc591\ud55c \ud074\ub77c\uc774\uc5b8\ud2b8 \ubc0f \uc11c\ubc84 \uae30\ub2a5\uc5d0 \uc801\uc751\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uacf5\uaca9\uc5d0 \ub300\ud55c \uc800\ud56d<\/strong>: \uc774 \ud504\ub85c\ud1a0\ucf5c\uc740 \uc911\uac04\uc790 \uacf5\uaca9, \ub3c4\uccad \ub4f1 \ub2e4\uc591\ud55c \uc554\ud638\ud654 \uacf5\uaca9\uc5d0 \uc800\ud56d\ud558\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<h2>\ud578\ub4dc\uc170\uc774\ud06c \ud504\ub85c\ud1a0\ucf5c\uc758 \uc720\ud615<\/h2>\n<p>\ud578\ub4dc\uc170\uc774\ud06c \ud504\ub85c\ud1a0\ucf5c\uc740 \uc8fc\ub85c TLS \ud504\ub85c\ud1a0\ucf5c \uc81c\ud488\uad70\uacfc \uc5f0\uad00\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ud2b9\uc815 TLS \ubc84\uc804\uc5d0 \ub530\ub77c \uc815\ud655\ud55c \ud578\ub4dc\uc170\uc774\ud06c \uba54\uc2dc\uc9c0 \ud750\ub984\uacfc \uc0ac\uc6a9\ub418\ub294 \uc554\ud638\ud654 \uc54c\uace0\ub9ac\uc998\uc774 \uacb0\uc815\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc8fc\uc694 \ud2b9\uc131\uacfc \ud568\uaed8 TLS\uc758 \uc8fc\uc694 \ubc84\uc804\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<table>\n<thead>\n<tr>\n<th>TLS \ubc84\uc804<\/th>\n<th>\ud578\ub4dc\uc170\uc774\ud06c \uae30\ub2a5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>TLS 1.0<\/td>\n<td>\ubcf4\uc548 \uac1c\uc120\uc774 \uc81c\ud55c\ub41c \ucd08\uae30 \ubc84\uc804\uc785\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>TLS 1.1<\/td>\n<td>TLS 1.0\uc5d0 \ub300\ud55c \ubcf4\uc548 \uac15\ud654 \uae30\ub2a5\uc774 \ub3c4\uc785\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>TLS 1.2<\/td>\n<td>\ubcf4\uc548 \ubc0f \uc554\ud638\ud654 \uc81c\ud488\uad70\uc774 \ud06c\uac8c \uac1c\uc120\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>TLS 1.3<\/td>\n<td>\uac04\uc18c\ud654\ub41c \ud578\ub4dc\uc170\uc774\ud06c, \ud5a5\uc0c1\ub41c \ubcf4\uc548 \ubc0f PFS \uc9c0\uc6d0.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Handshake \ud504\ub85c\ud1a0\ucf5c\uc758 \uc0ac\uc6a9\ubc29\ubc95\uacfc \uc0ac\uc6a9\uc5d0 \ub530\ub978 \ubb38\uc81c\uc810 \ubc0f \ud574\uacb0\ubc29\ubc95<\/h2>\n<p>Handshake \ud504\ub85c\ud1a0\ucf5c\uc740 \uc778\ud130\ub137 \ubcf4\uc548 \ud1b5\uc2e0\uc758 \uae30\ubcf8 \uad6c\uc131 \uc694\uc18c\uc774\uba70 \ub2e4\uc591\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uba87 \uac00\uc9c0 \uc77c\ubc18\uc801\uc778 \uc0ac\uc6a9 \uc0ac\ub840\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\n<p><strong>\uc6f9 \ube0c\ub77c\uc6b0\uc9d5<\/strong>: HTTPS \uc6f9\uc0ac\uc774\ud2b8\ub97c \ubc29\ubb38\ud558\uba74 \ube0c\ub77c\uc6b0\uc800\ub294 \ud578\ub4dc\uc170\uc774\ud06c \ud504\ub85c\ud1a0\ucf5c\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc11c\ubc84\uc640 \ubcf4\uc548 \uc5f0\uacb0\uc744 \uc124\uc815\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc774\uba54\uc77c \uc554\ud638\ud654<\/strong>: \uc774\uba54\uc77c \ud074\ub77c\uc774\uc5b8\ud2b8\ub294 Handshake \ud504\ub85c\ud1a0\ucf5c\uc744 \uc0ac\uc6a9\ud558\uc5ec \uba54\uc77c \uc11c\ubc84\uc640\uc758 \uc5f0\uacb0\uc744 \ubcf4\ud638\ud558\uace0 \uc774\uba54\uc77c \ud1b5\uc2e0\uc758 \uac1c\uc778 \uc815\ubcf4\ub97c \ubcf4\ud638\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>VPN(\uac00\uc0c1 \uc0ac\uc124\ub9dd)<\/strong>: VPN\uc740 \ud578\ub4dc\uc170\uc774\ud06c \ud504\ub85c\ud1a0\ucf5c\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud074\ub77c\uc774\uc5b8\ud2b8\uc640 VPN \uc11c\ubc84 \uac04\uc758 \uc5f0\uacb0\uc744 \ubcf4\ud638\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<p>\uacac\uace0\uc131\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0 Handshake \ud504\ub85c\ud1a0\ucf5c\uc740 \ud2b9\uc815 \ubb38\uc81c\uc5d0 \uba74\uc5ed\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc77c\ubd80 \ubb38\uc81c\uc640 \ud574\uacb0 \ubc29\ubc95\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\n<p><strong>\uc57d\ud55c \uc554\ud638 \uc81c\ud488\uad70<\/strong>: \uc624\ub798\ub418\uace0 \ucde8\uc57d\ud55c \uc554\ud638\ud654 \uc81c\ud488\uad70\uc744 \uc0ac\uc6a9\ud558\uba74 \ubcf4\uc548\uc774 \uc190\uc0c1\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud574\uacb0\ucc45: \uc11c\ubc84\uc640 \ud074\ub77c\uc774\uc5b8\ud2b8\uac00 \uac15\ub825\ud55c \uc554\ud638\ud654 \uc81c\ud488\uad70\uc744 \uc9c0\uc6d0\ud558\uace0 \uc6b0\uc120\uc21c\uc704\ub97c \uc9c0\uc815\ud558\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>\n<\/li>\n<li>\n<p><strong>\uc778\uc99d\uc11c \uad00\ub9ac<\/strong>: \ub9cc\ub8cc\ub418\uac70\ub098 \uc798\ubabb \uad6c\uc131\ub41c \uc778\uc99d\uc11c\ub85c \uc778\ud574 \ud578\ub4dc\uc170\uc774\ud06c \uc624\ub958\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud574\uacb0\ucc45: \uac15\ub825\ud55c \uc778\uc99d\uc11c \uad00\ub9ac \uc804\ub7b5\uacfc \uc2dc\uae30\uc801\uc808\ud55c \uac31\uc2e0\uc744 \uad6c\ud604\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc11c\ube44\uc2a4 \uac70\ubd80(DoS) \uacf5\uaca9<\/strong>: \uacf5\uaca9\uc790\uac00 \ud578\ub4dc\uc170\uc774\ud06c \uc694\uccad\uc73c\ub85c \uc11c\ubc84\ub97c \uc555\ub3c4\ud558\uc5ec \uc11c\ube44\uc2a4 \uc911\ub2e8\uc744 \ucd08\ub798\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud574\uacb0\ucc45: DoS \uacf5\uaca9\uc744 \uc644\ud654\ud558\uae30 \uc704\ud574 \uc18d\ub3c4 \uc81c\ud55c \ubc0f \ubc29\ud654\ubcbd \uaddc\uce59\uc744 \uad6c\ud604\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<h2>\uc8fc\uc694 \ud2b9\uc9d5 \ubc0f \uae30\ud0c0 \uc720\uc0ac \uc6a9\uc5b4\uc640\uc758 \ube44\uad50<\/h2>\n<table>\n<thead>\n<tr>\n<th>\uc6a9\uc5b4<\/th>\n<th>\uc124\uba85<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\ud578\ub4dc\uc170\uc774\ud06c \ud504\ub85c\ud1a0\ucf5c<\/td>\n<td>\ub2f9\uc0ac\uc790 \uac04 \ubcf4\uc548 \uc5f0\uacb0\uc744 \uc124\uc815\ud558\uae30 \uc704\ud574 TLS\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \uc554\ud638\ud654 \ud504\ub85c\ud1a0\ucf5c\uc785\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>SSL<\/td>\n<td>TLS\uc758 \uc804\uc2e0\uc73c\ub85c \ubcf4\uc548 \ud1b5\uc2e0\uc744 \uc704\ud55c \uc554\ud638\ud654 \ubc0f \uc778\uc99d\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>TLS<\/td>\n<td>\ud5a5\uc0c1\ub41c \ubcf4\uc548 \ubc0f \uc554\ud638\ud654 \uc54c\uace0\ub9ac\uc998\uc744 \uc81c\uacf5\ud558\ub294 \ucd5c\uc2e0 \ubc84\uc804\uc758 SSL\uc785\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\uc554\ud638\ud654<\/td>\n<td>\uc804\uc1a1 \uc911 \uae30\ubc00\uc131\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \ub370\uc774\ud130\ub97c \uc778\ucf54\ub529\ud558\ub294 \ud504\ub85c\uc138\uc2a4\uc785\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\uc785\uc99d<\/td>\n<td>\ud1b5\uc2e0\uc5d0 \uad00\ub828\ub41c \ub2f9\uc0ac\uc790\uc758 \uc2e0\uc6d0\uc744 \ud655\uc778\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>PFS<\/td>\n<td>Perfect Forward Secrecy\ub294 \uac1c\uc778 \ud0a4\uac00 \uc190\uc0c1\ub418\ub354\ub77c\ub3c4 \uc138\uc158 \ud0a4\uac00 \uc548\uc804\ud558\uac8c \uc720\uc9c0\ub418\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Handshake \ud504\ub85c\ud1a0\ucf5c\uc5d0 \uad00\ud55c \ubbf8\ub798 \uc804\ub9dd\uacfc \uae30\uc220<\/h2>\n<p>\uae30\uc220\uc774 \ubc1c\uc804\ud568\uc5d0 \ub530\ub77c Handshake \ud504\ub85c\ud1a0\ucf5c\uc740 \uc0c8\ub85c\uc6b4 \ubcf4\uc548 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uace0 \uc131\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uae30 \uc704\ud574 \uacc4\uc18d\ud574\uc11c \uac1c\uc120\ub420 \uac83\uc785\ub2c8\ub2e4. TLS\uc758 \ucd5c\uadfc \ubc1c\uc804 \uc911 \ud558\ub098\ub294 TLS 1.3\uc785\ub2c8\ub2e4. TLS 1.3\uc740 \ud578\ub4dc\uc170\uc774\ud06c \ud504\ub85c\uc138\uc2a4\ub97c \uac04\uc18c\ud654\ud558\uace0 \ubcf4\uc548\uc744 \uac15\ud654\ud588\uc2b5\ub2c8\ub2e4. \uc9c0\uc18d\uc801\uc778 \uc5f0\uad6c \ubc0f \uac1c\ubc1c \ub178\ub825\uc740 \ub2e4\uc74c\uc5d0 \uc911\uc810\uc744 \ub458 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\n<p><strong>\ud3ec\uc2a4\ud2b8 \uc591\uc790 \uc554\ud638\ud654<\/strong>: \uc591\uc790 \ucef4\ud4e8\ud305\uc758 \ub4f1\uc7a5\uc73c\ub85c \uc591\uc790 \uacf5\uaca9\uc5d0 \uac15\ud55c \uc554\ud638\ud654 \uc54c\uace0\ub9ac\uc998\uc5d0 \ub300\ud55c \ud544\uc694\uc131\uc774 \ucee4\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. TLS\uc758 \ud5a5\ud6c4 \ubc84\uc804\uc5d0\ub294 \uc7a5\uae30\uc801\uc778 \ubcf4\uc548\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \ud3ec\uc2a4\ud2b8\ud000\ud140 \uc554\ud638\ud654\uac00 \ud1b5\ud569\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc790\ub3d9\ud654 \ud5a5\uc0c1<\/strong>: TLS \uc778\uc99d\uc11c \ubc0f \uc554\ud638\ud654 \ub9e4\uac1c\ubcc0\uc218\uc758 \uad6c\uc131 \ubc0f \uad00\ub9ac\ub97c \uc790\ub3d9\ud654\ud558\uc5ec \uc778\uc801 \uc624\ub958\ub97c \uc904\uc774\uace0 \ubcf4\uc548\uc744 \uac15\ud654\ud558\uae30 \uc704\ud574 \ub178\ub825\ud560 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc131\ub2a5 \ucd5c\uc801\ud654<\/strong>: \ud2b9\ud788 \uc800\uc804\ub825 \uc7a5\uce58 \ubc0f \ub192\uc740 \ucc98\ub9ac\ub7c9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uacfc \uad00\ub828\ub41c \uc2dc\ub098\ub9ac\uc624\uc5d0\uc11c \ub300\uae30 \uc2dc\uac04\uacfc \ub9ac\uc18c\uc2a4 \uc18c\ube44\ub97c \uc904\uc774\uae30 \uc704\ud574 \ud578\ub4dc\uc170\uc774\ud06c \ud504\ub85c\ud1a0\ucf5c\uc744 \ucd5c\uc801\ud654\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<h2>\ud504\ub85d\uc2dc \uc11c\ubc84\ub97c \uc0ac\uc6a9\ud558\uac70\ub098 \ud578\ub4dc\uc170\uc774\ud06c \ud504\ub85c\ud1a0\ucf5c\uacfc \uc5f0\uacb0\ud558\ub294 \ubc29\ubc95<\/h2>\n<p>\ud504\ub85d\uc2dc \uc11c\ubc84\ub294 \uc778\ud130\ub137\uc744 \ud1b5\ud574 \uc11c\ubc84\uc5d0 \uc5f0\uacb0\ud558\ub294 \ud074\ub77c\uc774\uc5b8\ud2b8\uc758 \ubcf4\uc548, \uac1c\uc778 \uc815\ubcf4 \ubcf4\ud638 \ubc0f \uc131\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. Handshake \ud504\ub85c\ud1a0\ucf5c \uc790\uccb4\ub294 \ubcf4\uc548 \ud0a4 \uad50\ud658 \ubc0f \uc554\ud638\ud654 \ud611\uc0c1\uc744 \ub2f4\ub2f9\ud558\uc9c0\ub9cc \ud504\ub85d\uc2dc \uc11c\ubc84\ub97c \ud504\ub85c\ud1a0\ucf5c\uacfc \ud568\uaed8 \uc0ac\uc6a9\ud558\uc5ec \ucd94\uac00 \uc774\uc810\uc744 \uc81c\uacf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\n<p><strong>\ub85c\ub4dc \ubc38\ub7f0\uc2f1<\/strong>: \ud504\ub85d\uc2dc \uc11c\ubc84\ub294 \ub4e4\uc5b4\uc624\ub294 \ud578\ub4dc\uc170\uc774\ud06c \uc694\uccad\uc744 \uc5ec\ub7ec \ubc31\uc5d4\ub4dc \uc11c\ubc84\uc5d0 \ubd84\uc0b0\ud558\uc5ec \ucd5c\uc801\uc758 \ub9ac\uc18c\uc2a4 \ud65c\uc6a9\ub3c4\uc640 \ud655\uc7a5\uc131\uc744 \ubcf4\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uce90\uc2f1<\/strong>: \ud504\ub85d\uc2dc\ub294 \ud578\ub4dc\uc170\uc774\ud06c \ud504\ub85c\uc138\uc2a4\uc758 \uacb0\uacfc\ub97c \uce90\uc2dc\ud558\uc5ec \ub3d9\uc77c\ud55c \uc11c\ubc84\uc640\uc758 \ud6c4\uc18d \uc5f0\uacb0 \uc18d\ub3c4\ub97c \ub192\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ubcf4\uc548 \uac15\ud654<\/strong>: \ud504\ub85d\uc2dc \uc11c\ubc84\ub294 \ud074\ub77c\uc774\uc5b8\ud2b8\uc640 \uc11c\ubc84 \uc0ac\uc774\uc758 \ubc84\ud37c \uc5ed\ud560\uc744 \ud558\uc5ec \uc7a0\uc7ac\uc801 \uc704\ud611\uc5d0 \ub300\ud55c \ud578\ub4dc\uc170\uc774\ud06c \uba54\uc2dc\uc9c0\ub97c \uac80\uc0ac\ud558\uace0 \ud544\ud130\ub9c1\ud558\uc5ec \ucd94\uac00 \ubcf4\uc548 \uacc4\uce35\uc744 \ucd94\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc9c0\ub9ac\uc801 \uc704\uce58 \ubc0f \uc561\uc138\uc2a4 \uc81c\uc5b4<\/strong>: \ud504\ub85d\uc2dc\ub294 \uc9c0\ub9ac\uc801 \uc704\uce58 \ub610\ub294 \uae30\ud0c0 \uae30\uc900\uc5d0 \ub530\ub77c \uc561\uc138\uc2a4 \uc815\ucc45\uc744 \uc2dc\ud589\ud558\uace0 \ud578\ub4dc\uc170\uc774\ud06c \uc694\uccad\uc744 \ud544\ud130\ub9c1\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<h2>\uad00\ub828\ub41c \ub9c1\ud06c\ub4e4<\/h2>\n<p>Handshake \ud504\ub85c\ud1a0\ucf5c\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \ub0b4\uc6a9\uc740 \ub2e4\uc74c \ub9ac\uc18c\uc2a4\ub97c \ucc38\uc870\ud558\uc138\uc694.<\/p>\n<ol>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc5246\" target=\"_new\" rel=\"noopener nofollow\">TLS(\uc804\uc1a1 \uacc4\uce35 \ubcf4\uc548) RFC 5246<\/a><\/li>\n<li><a href=\"https:\/\/tools.ietf.org\/html\/rfc8446\" target=\"_new\" rel=\"noopener nofollow\">TLS(\uc804\uc1a1 \uacc4\uce35 \ubcf4\uc548) RFC 8446<\/a><\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Transport_Layer_Security#TLS_handshake_protocol\" target=\"_new\" rel=\"noopener nofollow\">TLS \ud578\ub4dc\uc170\uc774\ud06c \ud504\ub85c\ud1a0\ucf5c<\/a><\/li>\n<\/ol>\n<p>\uacb0\ub860\uc801\uc73c\ub85c, \ud578\ub4dc\uc170\uc774\ud06c \ud504\ub85c\ud1a0\ucf5c\uc740 \uc778\ud130\ub137\uc744 \ud1b5\ud574 \ubcf4\uc548 \uc5f0\uacb0\uc744 \uc124\uc815\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc694\uc18c\uc785\ub2c8\ub2e4. \uacac\uace0\uc131, \uc554\ud638\ud654 \ub9e4\uac1c\ubcc0\uc218 \ud611\uc0c1 \uae30\ub2a5, \uc0c1\ud638 \uc778\uc99d \uc9c0\uc6d0\uc744 \ud1b5\ud574 \ud604\ub300 \uc554\ud638\ud654 \ud1b5\uc2e0\uc758 \uae30\ubcf8 \uad6c\uc131 \uc694\uc18c\uac00 \ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uae30\uc220\uc774 \ubc1c\uc804\ud568\uc5d0 \ub530\ub77c \uc9c0\uc18d\uc801\uc778 \uc5f0\uad6c \uac1c\ubc1c \ub178\ub825\uc73c\ub85c Handshake \ud504\ub85c\ud1a0\ucf5c\uc758 \ubcf4\uc548\uacfc \ud6a8\uc728\uc131\uc774 \ub354\uc6b1 \ud5a5\uc0c1\ub418\uc5b4 \ud5a5\ud6c4 \uc218\ub144\uac04 \uc548\uc804\ud55c \ub370\uc774\ud130 \uad50\ud658\uc774 \ubcf4\uc7a5\ub420 \uac83\uc785\ub2c8\ub2e4.<\/p>","protected":false},"featured_media":477413,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477412","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Handshake Protocol: A Comprehensive Overview<\/mark>","faq_items":[{"question":"What is the Handshake protocol?","answer":"<p>The Handshake protocol is a cryptographic communication protocol used for establishing secure connections between two parties over a network. It enables secure data exchange, authentication, and negotiation of encryption parameters.<\/p>"},{"question":"How did the Handshake protocol originate?","answer":"<p>The history of the Handshake protocol can be traced back to the early days of the internet. It was first mentioned in the Internet Engineering Task Force (IETF) Request for Comments (RFC) 5246, which introduced the TLS protocol version 1.2 in August 2008.<\/p>"},{"question":"How does the Handshake protocol work?","answer":"<p>The Handshake protocol follows a series of steps, including ClientHello, ServerHello, certificate exchange, key exchange, session keys derivation, and Finished messages to establish a secure connection.<\/p>"},{"question":"What are the key features of the Handshake protocol?","answer":"<p>The Handshake protocol offers secure key exchange, mutual authentication, Perfect Forward Secrecy (PFS), compatibility, flexibility, and resistance to attacks.<\/p>"},{"question":"What types of Handshake protocol exist?","answer":"<p>The Handshake protocol is primarily associated with different versions of TLS, such as TLS 1.0, TLS 1.1, TLS 1.2, and TLS 1.3, each with specific handshake message flows and cryptographic algorithms.<\/p>"},{"question":"In what ways is the Handshake protocol used?","answer":"<p>The Handshake protocol is used in various applications, including web browsing, email encryption, and VPNs, to ensure secure communication.<\/p>"},{"question":"What are the common problems related to the Handshake protocol?","answer":"<p>Some issues with the Handshake protocol include weak cipher suites, certificate management challenges, and susceptibility to Denial of Service (DoS) attacks.<\/p>"},{"question":"How might the Handshake protocol evolve in the future?","answer":"<p>Future advancements may include post-quantum cryptography, increased automation, and performance optimization to adapt to emerging security challenges.<\/p>"},{"question":"How can proxy servers be associated with the Handshake protocol?","answer":"<p>Proxy servers can enhance security, load balancing, caching, and access control in conjunction with the Handshake protocol.<\/p>"},{"question":"Where can I find more information about the Handshake protocol?","answer":"<p>For more detailed information, you can refer to the resources provided in the \"Related links\" section at the end of the article.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki\/477412","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\/477412\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/media\/477413"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/media?parent=477412"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}