{"id":476058,"date":"2023-08-09T07:25:33","date_gmt":"2023-08-09T07:25:33","guid":{"rendered":""},"modified":"2023-09-05T11:11:57","modified_gmt":"2023-09-05T11:11:57","slug":"block-cipher","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/kr\/wiki\/block-cipher\/","title":{"rendered":"\ube14\ub85d \uc554\ud638"},"content":{"rendered":"<p>\ube14\ub85d \uc554\ud638\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uace0\uc815\ub41c \uc218\uc758 \ube44\ud2b8\ub85c \uad6c\uc131\ub418\ub294 \uace0\uc815 \ud06c\uae30 \ube14\ub85d\uc758 \ub370\uc774\ud130\ub97c \uc554\ud638\ud654\ud558\uace0 \ud574\ub3c5\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\ub294 \uc554\ud638\ud654 \uc54c\uace0\ub9ac\uc998\uc785\ub2c8\ub2e4. \uc774\ub294 \ub514\uc9c0\ud138 \ud1b5\uc2e0\uc744 \ubcf4\ud638\ud558\uace0 \ubbfc\uac10\ud55c \uc815\ubcf4\uc758 \uae30\ubc00\uc131, \ubb34\uacb0\uc131 \ubc0f \uc2e0\ub8b0\uc131\uc744 \ubcf4\uc7a5\ud558\ub294 \ub370 \uadfc\ubcf8\uc801\uc778 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ube14\ub85d \uc554\ud638\ub294 \ubcf4\uc548 \ud1b5\uc2e0 \ucc44\ub110, \ub370\uc774\ud130 \uc800\uc7a5 \uc554\ud638\ud654, \uc778\uc99d \ud504\ub85c\ud1a0\ucf5c \ub4f1 \ub2e4\uc591\ud55c \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<h2>\ube14\ub85d\uc554\ud638\uc758 \uc720\ub798\uc640 \ucd5c\ucd08 \uc5b8\uae09\uc758 \uc5ed\uc0ac.<\/h2>\n<p>\ube14\ub85d \uc554\ud638\uc758 \uae30\uc6d0\uc740 \uc554\ud638\ud654 \ucd08\uae30\ub85c \uac70\uc2ac\ub7ec \uc62c\ub77c\uac11\ub2c8\ub2e4. \ube14\ub85d \uc554\ud638\uc758 \uac00\uc7a5 \ucd08\uae30\uc5d0 \uc54c\ub824\uc9c4 \uc0ac\ub840 \uc911 \ud558\ub098\ub294 Julius Caesar\uc758 \uac83\uc73c\ub85c \uc54c\ub824\uc9c4 Caesar \uc554\ud638\ub85c, \uc77c\ubc18 \ud14d\uc2a4\ud2b8\uc758 \uac01 \ubb38\uc790\ub294 \uc54c\ud30c\ubcb3\uc5d0\uc11c \uace0\uc815\ub41c \uc218\uc758 \uc704\uce58\ub9cc\ud07c \uc774\ub3d9\ub429\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc624\ub298\ub0a0 \uc6b0\ub9ac\uac00 \uc54c\uace0 \uc788\ub294 \ud604\ub300 \ube14\ub85d \uc554\ud638\ub294 \uc81c2\ucc28 \uc138\uacc4\ub300\uc804 \uc911\uc5d0 \ub3c5\uc77c\uc758 Enigma \uae30\uacc4\uac00 \uac1c\ubc1c\ub418\uace0 \uc601\uad6d\uc774 \uc554\ud638\ub97c \ud574\ub3c5\ud558\ub824\ub294 \ub178\ub825\uacfc \ud568\uaed8 \ub4f1\uc7a5\ud558\uae30 \uc2dc\uc791\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\ube14\ub85d \uc554\ud638\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \uc815\ubcf4\uc785\ub2c8\ub2e4. \ube14\ub85d \uc554\ud638 \uc8fc\uc81c \ud655\uc7a5.<\/h2>\n<p>\ube14\ub85d \uc554\ud638\ub294 \uace0\uc815\ub41c \ud06c\uae30\uc758 \ub370\uc774\ud130 \ube14\ub85d\uc5d0\uc11c \uc791\ub3d9\ud558\uba70 \ube44\ubc00 \uc554\ud638\ud654 \ud0a4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc77c\ubc18 \ud14d\uc2a4\ud2b8\ub97c \uc554\ud638 \ud14d\uc2a4\ud2b8\ub85c \ub610\ub294 \uadf8 \ubc18\ub300\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4. \uc554\ud638\ud654 \ud504\ub85c\uc138\uc2a4\uc5d0\ub294 Feistel \ub124\ud2b8\uc6cc\ud06c\ub85c \uc54c\ub824\uc9c4 \uc5ec\ub7ec \ub77c\uc6b4\ub4dc\uc758 \ub300\uccb4 \ubc0f \uc21c\uc5f4\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uac01 \ub77c\uc6b4\ub4dc\ub294 \uc77c\ubc18 \ud14d\uc2a4\ud2b8\uc758 \uc77c\ubd80(\ubc18\ube14\ub85d)\ub97c \uac00\uc838\uc640 \uc554\ud638\ud654 \ud0a4\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud2b9\uc815 \ubcc0\ud658\uc744 \uc801\uc6a9\ud55c \ub2e4\uc74c \ud6c4\uc18d \ub77c\uc6b4\ub4dc\uc5d0\uc11c \uacb0\uacfc\ub97c \uc77c\ubc18 \ud14d\uc2a4\ud2b8\uc758 \ub2e4\ub978 \ubd80\ubd84\uacfc \uacb0\ud569\ud569\ub2c8\ub2e4. \uc774 \ud504\ub85c\uc138\uc2a4\ub294 \uc5ec\ub7ec \ubc88(\uc77c\ubc18\uc801\uc73c\ub85c 10~16\ub77c\uc6b4\ub4dc) \ubc18\ubcf5\ub418\uc5b4 \uc54c\uace0\ub9ac\uc998\uc758 \ubcf4\uc548\uc774 \uac15\ud654\ub429\ub2c8\ub2e4.<\/p>\n<h2>\ube14\ub85d \uc554\ud638\uc758 \ub0b4\ubd80 \uad6c\uc870. \ube14\ub85d \uc554\ud638\uac00 \uc791\ub3d9\ud558\ub294 \ubc29\uc2dd.<\/h2>\n<p>\ube14\ub85d \uc554\ud638\uc758 \ub0b4\ubd80 \uad6c\uc870\ub294 \uc77c\ub828\uc758 \uc0c1\ud638 \uc5f0\uacb0\ub41c \ube4c\ub529 \ube14\ub85d\uc73c\ub85c \uc2dc\uac01\ud654\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\n<p><strong>\ub300\uccb4 \uc21c\uc5f4 \ub124\ud2b8\uc6cc\ud06c(SPN)<\/strong>: \uc785\ub825 \ube44\ud2b8\ub97c \ud2b9\uc815 \ucd9c\ub825 \ube44\ud2b8\ub85c \ub300\uccb4\ud558\ub294 \ub300\uccb4 \uc0c1\uc790(S-\ubc15\uc2a4)\uc640 \ube44\ud2b8\ub97c \uc7ac\ubc30\uc5f4\ud558\ub294 \uc21c\uc5f4 \uc0c1\uc790(P-\ubc15\uc2a4)\ub85c \uad6c\uc131\ub41c \uae30\ubcf8 \ube4c\ub529 \ube14\ub85d\uc785\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ud30c\uc774\uc2a4\ud154 \ub124\ud2b8\uc6cc\ud06c<\/strong>: Feistel \ub77c\uc6b4\ub4dc \ub124\ud2b8\uc6cc\ud06c\ub97c \uae30\ubc18\uc73c\ub85c \ud558\ub294 \ube14\ub85d \uc554\ud638\uc758 \uc778\uae30 \uc788\ub294 \ub514\uc790\uc778\uc785\ub2c8\ub2e4. \uac01 \ub77c\uc6b4\ub4dc\ub294 SPN \uad6c\uc870\ub97c \uc801\uc6a9\ud558\uba70 \uacb0\uacfc\ub294 \ub2e4\uc74c \ub77c\uc6b4\ub4dc\ub85c \uc9c4\ud589\ub418\uae30 \uc804\uc5d0 \ube14\ub85d\uc758 \ub098\uba38\uc9c0 \uc808\ubc18\uacfc \ud63c\ud569\ub429\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc8fc\uc694\uc77c\uc815<\/strong>: \uae30\ubcf8 \uc554\ud638\ud654 \ud0a4\ub85c\ubd80\ud130 \ub77c\uc6b4\ub4dc \ud0a4\ub97c \uc0dd\uc131\ud558\ub294 \ud504\ub85c\uc138\uc2a4\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ub77c\uc6b4\ub4dc \ud0a4\ub294 \ub2e4\uc591\uc131\uacfc \ubcf4\uc548\uc744 \uc81c\uacf5\ud558\uae30 \uc704\ud574 \uc554\ud638\ud654\uc758 \uac01 \ub77c\uc6b4\ub4dc\uc5d0\uc11c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<h2>\ube14\ub85d\uc554\ud638\uc758 \uc8fc\uc694 \ud2b9\uc9d5\uc744 \ubd84\uc11d\ud569\ub2c8\ub2e4.<\/h2>\n<p>\ube14\ub85d \uc554\ud638\uc5d0\ub294 \ub2e4\uc591\ud55c \uc554\ud638\ud654 \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8\uc5d0 \uc801\ud569\ud558\uac8c \ub9cc\ub4dc\ub294 \uba87 \uac00\uc9c0 \uc8fc\uc694 \uae30\ub2a5\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\n<p><strong>\uae30\ubc00\uc131<\/strong>: \ube14\ub85d \uc554\ud638\ub294 \uac15\ub825\ud55c \uc554\ud638\ud654\ub97c \uc81c\uacf5\ud558\uc5ec \uad8c\ud55c\uc774 \uc5c6\ub294 \uac1c\uc778\uc774 \uc801\uc808\ud55c \uc554\ud638\ud654 \ud0a4 \uc5c6\uc774\ub294 \uc6d0\ubcf8 \ub370\uc774\ud130\ub97c \ud574\ub3c5\ud560 \uc218 \uc5c6\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ub370\uc774\ud130 \ubb34\uacb0\uc131<\/strong>: \uace0\uc815 \ud06c\uae30 \ube14\ub85d\uc73c\ub85c \ub370\uc774\ud130\ub97c \uc554\ud638\ud654\ud568\uc73c\ub85c\uc368 \ube14\ub85d \uc554\ud638\ub294 \uc804\uc1a1 \ub610\ub294 \uc800\uc7a5 \uc911\uc5d0 \uc554\ud638\ubb38\uc5d0 \ub300\ud55c \ubb34\ub2e8 \ubcc0\uacbd\uc744 \uac10\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ube14\ub85d \ud06c\uae30<\/strong>: \ube14\ub85d \uc554\ud638\ub294 \uc77c\ubc18\uc801\uc73c\ub85c 64~256\ube44\ud2b8 \ubc94\uc704\uc758 \uace0\uc815 \ud06c\uae30 \ube14\ub85d\uc5d0\uc11c \uc791\ub3d9\ud569\ub2c8\ub2e4. \ube14\ub85d \ud06c\uae30\uac00 \ud074\uc218\ub85d \uc554\ud638\uc758 \ubcf4\uc548\uc740 \ub192\uc544\uc9c0\uc9c0\ub9cc \uacc4\uc0b0 \ubcf5\uc7a1\uc131\ub3c4 \uc99d\uac00\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ud0a4 \ud06c\uae30<\/strong>: \ube14\ub85d \uc554\ud638\uc758 \ubcf4\uc548\uc740 \uc554\ud638\ud654 \ud0a4\uc758 \ud06c\uae30\uc5d0 \ub530\ub77c \ud06c\uac8c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \ud0a4 \uae38\uc774\uac00 \uae38\uc218\ub85d \ubb34\ucc28\ubcc4 \ub300\uc785 \uacf5\uaca9\uc5d0 \ub300\ud55c \uc800\ud56d\ub825\uc774 \ub192\uc544\uc9d1\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc18d\ub3c4<\/strong>: \uc2e4\uc2dc\uac04 \uc751\uc6a9\uacfc \uace0\uc18d \ub370\uc774\ud130 \uc554\ud638\ud654\/\ubcf5\ud638\ud654\ub97c \uc704\ud574\uc11c\ub294 \ud6a8\uc728\uc801\uc778 \ube14\ub85d \uc554\ud638\uac00 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<h2>\ube14\ub85d \uc554\ud638\uc758 \uc885\ub958<\/h2>\n<p>\ube14\ub85d \uc554\ud638\ub294 \ub2e4\uc591\ud55c \uc720\ud615\uc73c\ub85c \uc81c\uacf5\ub418\uba70 \uac01 \uc720\ud615\uc5d0\ub294 \ud2b9\uc815 \ud2b9\uc131\uacfc \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc8fc\ubaa9\ud560\ub9cc\ud55c \uc720\ud615\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<table>\n<thead>\n<tr>\n<th>\uc720\ud615<\/th>\n<th>\uc608<\/th>\n<th>\ube14\ub85d \ud06c\uae30<\/th>\n<th>\ud0a4 \ud06c\uae30<\/th>\n<th>\uc6a9\ubc95<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\ud30c\uc774\uc2a4\ud154 \uc0ac\uc774\ud37c<\/strong><\/td>\n<td>DES, 3DES(TDEA)<\/td>\n<td>64\ube44\ud2b8<\/td>\n<td>56\/112\/168\ube44\ud2b8<\/td>\n<td>\uc548\uc804\ud55c \ud1b5\uc2e0, \ub808\uac70\uc2dc \uc2dc\uc2a4\ud15c<\/td>\n<\/tr>\n<tr>\n<td><strong>SP-\ub124\ud2b8\uc6cc\ud06c<\/strong><\/td>\n<td>AES(\ub77c\uc778\ub378), \uce74\uba5c\ub9ac\uc544<\/td>\n<td>128\/256\ube44\ud2b8<\/td>\n<td>128\/192\/256\ube44\ud2b8<\/td>\n<td>\uad11\ubc94\uc704\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158, \ucd5c\uc2e0 \uc2dc\uc2a4\ud15c<\/td>\n<\/tr>\n<tr>\n<td><strong>\ub300\uccb4 \uc21c\uc5f4 \ub124\ud2b8\uc6cc\ud06c(SPN)<\/strong><\/td>\n<td>\ubcf5\uc5b4, \ud22c\ud53c\uc26c<\/td>\n<td>64\/128\/256\ube44\ud2b8<\/td>\n<td>\ucd5c\ub300 448\ube44\ud2b8<\/td>\n<td>\ub370\uc774\ud130 \uc554\ud638\ud654, \uc548\uc804\ud55c \uc800\uc7a5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\ube14\ub85d\uc554\ud638\uc758 \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<p>\ube14\ub85d \uc554\ud638\ub294 \ud604\ub300 \uc554\ud638\ud654\uc758 \ub2e4\uc591\ud55c \uc601\uc5ed\uc5d0\uc11c \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8\uc744 \ucc3e\uc2b5\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\n<p><strong>\ubcf4\uc548 \ud1b5\uc2e0<\/strong>: \ube14\ub85d \uc554\ud638\ub294 \uc804\uc1a1 \uc804\uc5d0 \ub370\uc774\ud130\ub97c \uc554\ud638\ud654\ud558\uace0 \uc218\uc2e0\uc790 \uce21\uc5d0\uc11c \ud574\ub3c5\ud558\uc5ec \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud574 \uc804\uc1a1\ub418\ub294 \uc911\uc694\ud55c \uc815\ubcf4\ub97c \ubcf4\ud638\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ub370\uc774\ud130 \uc554\ud638\ud654<\/strong>: \ub370\uc774\ud130\ubca0\uc774\uc2a4, \ud558\ub4dc \ub4dc\ub77c\uc774\ube0c \ub610\ub294 \ud074\ub77c\uc6b0\ub4dc \uc2a4\ud1a0\ub9ac\uc9c0\uc5d0 \uc800\uc7a5\ub41c \ub370\uc774\ud130\ub97c \ubcf4\ud638\ud558\uc5ec \ubb34\ub2e8 \uc561\uc138\uc2a4\ub85c\ubd80\ud130 \ubcf4\ud638\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ub514\uc9c0\ud138 \uc11c\uba85<\/strong>: \ube14\ub85d \uc554\ud638\ub294 \uba54\uc2dc\uc9c0 \uc2e0\ub8b0\uc131\uacfc \ubb34\uacb0\uc131\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \ub514\uc9c0\ud138 \uc11c\uba85 \uc54c\uace0\ub9ac\uc998\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc554\ud638\ud654 \ud574\uc2dc \ud568\uc218<\/strong>: \uc77c\ubd80 \ube14\ub85d \uc554\ud638\ub294 \uace0\uc815 \ud06c\uae30 \uba54\uc2dc\uc9c0 \ub2e4\uc774\uc81c\uc2a4\ud2b8\ub97c \uc0dd\uc131\ud558\uae30 \uc704\ud55c \uc554\ud638\ud654 \ud574\uc2dc \ud568\uc218\uc5d0 \uc801\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<p>\uadf8\ub7ec\ub098 \ube14\ub85d \uc554\ud638\ub97c \uc0ac\uc6a9\ud558\uba74 \ub2e4\uc74c\uacfc \uac19\uc740 \uc7a0\uc7ac\uc801\uc778 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\n<p><strong>\ud575\uc2ec \uad00\ub9ac<\/strong>: \ube14\ub85d \uc554\ud638\uc758 \ubcf4\uc548\uc744 \uc720\uc9c0\ud558\ub824\uba74 \uc801\uc808\ud55c \ud0a4 \uad00\ub9ac\uac00 \uc911\uc694\ud569\ub2c8\ub2e4. \ud0a4\ub97c \uc548\uc804\ud558\uac8c \uc800\uc7a5\ud558\uace0 \ubc30\ud3ec\ud558\ub294 \uac83\uc740 \uc5b4\ub824\uc6b4 \uc791\uc5c5\uc785\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\ubcf4\uc548 \uac15\ub3c4<\/strong>: \uc554\ud638 \ubd84\uc11d\uc758 \ubc1c\uc804\uc73c\ub85c \uc778\ud574 \uc624\ub798\ub41c \ube14\ub85d \uc554\ud638\uac00 \ucde8\uc57d\ud574\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub354 \uac15\ub825\ud55c \uc54c\uace0\ub9ac\uc998\uc73c\ub85c \uc815\uae30\uc801\uc73c\ub85c \uc5c5\ub370\uc774\ud2b8\ud558\ub294 \uac83\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc791\ub3d9 \ubaa8\ub4dc<\/strong>: \ube14\ub85d \uc554\ud638\uc5d0\ub294 \ube14\ub85d \ud06c\uae30\ubcf4\ub2e4 \ud070 \ub370\uc774\ud130\ub97c \uc554\ud638\ud654\ud558\uae30 \uc704\ud574 ECB(\uc804\uc790 \ucf54\ub4dc\ubd81) \ub610\ub294 CBC(\uc554\ud638 \ube14\ub85d \uccb4\uc778)\uc640 \uac19\uc740 \uc791\ub3d9 \ubaa8\ub4dc\uac00 \ud544\uc694\ud569\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>\ube14\ub85d \uc554\ud638<\/th>\n<th>\uc2a4\ud2b8\ub9bc \uc554\ud638<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\uc554\ud638\ud654 \ud504\ub85c\uc138\uc2a4<\/td>\n<td>\uace0\uc815 \ud06c\uae30 \ube14\ub85d\uc5d0\uc11c \uc791\ub3d9<\/td>\n<td>\uac1c\ubcc4 \ube44\ud2b8\uc5d0\uc11c \uc791\ub3d9<\/td>\n<\/tr>\n<tr>\n<td>\ub3d9\uc791 \ubaa8\ub4dc<\/td>\n<td>\ub354 \ud070 \ub370\uc774\ud130\ub97c \uc704\ud574\uc11c\ub294 \ucd94\uac00 \ubaa8\ub4dc\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/td>\n<td>\uc784\uc758 \uae38\uc774\uc758 \ub370\uc774\ud130\ub97c \uc9c1\uc811 \uc554\ud638\ud654 \uac00\ub2a5<\/td>\n<\/tr>\n<tr>\n<td>\uba54\ubaa8\ub9ac \uc694\uad6c \uc0ac\ud56d<\/td>\n<td>\uc77c\ubc18\uc801\uc73c\ub85c \ub354 \ub9ce\uc740 \uba54\ubaa8\ub9ac\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/td>\n<td>\uc77c\ubc18\uc801\uc73c\ub85c \ub354 \uc801\uc740 \uba54\ubaa8\ub9ac\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\uc2e4\uc2dc\uac04 \uc554\ud638\ud654<\/td>\n<td>\ub300\uc6a9\ub7c9 \ub370\uc774\ud130\uc758 \uacbd\uc6b0 \uc18d\ub3c4\uac00 \ub290\ub824\uc9c8 \uc218 \uc788\uc74c<\/td>\n<td>\uc2e4\uc2dc\uac04 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ub354 \uc801\ud569<\/td>\n<\/tr>\n<tr>\n<td>\ubcd1\ub82c \ucc98\ub9ac<\/td>\n<td>\uc18d\ub3c4 \ud5a5\uc0c1\uc744 \uc704\ud574 \ubcd1\ub82c\ud654\ud558\uae30\uac00 \ub354 \uc5b4\ub835\uc2b5\ub2c8\ub2e4.<\/td>\n<td>\ubcd1\ub82c \ucc98\ub9ac\uc5d0 \ub354 \uc801\ud569<\/td>\n<\/tr>\n<tr>\n<td>\uc624\ub958 \uc804\ud30c<\/td>\n<td>\uc624\ub958\ub294 \ube14\ub85d \ub0b4\uc5d0\uc11c \uc804\ud30c\ub429\ub2c8\ub2e4.<\/td>\n<td>\uc624\ub958\ub294 \uac1c\ubcc4 \ube44\ud2b8\uc5d0\ub9cc \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\uc608<\/td>\n<td>AES, DES, \ubcf5\uc5b4<\/td>\n<td>RC4, \ucc28\ucc2820, \uc0b4\uc0ac20<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\ube14\ub85d\uc554\ud638\uc5d0 \uad00\ud55c \ubbf8\ub798\uc758 \uad00\uc810\uacfc \uae30\uc220.<\/h2>\n<p>\ube14\ub85d \uc554\ud638\uc758 \ubbf8\ub798\ub294 \ub514\uc9c0\ud138 \ud658\uacbd\uc5d0\uc11c \uc0c8\ub85c\uc6b4 \uacfc\uc81c\ub97c \ud574\uacb0\ud558\ub294 \ub370 \uc788\uc2b5\ub2c8\ub2e4. \uba87 \uac00\uc9c0 \uc7a0\uc7ac\uc801\uc778 \ubc1c\uc804\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<ol>\n<li>\n<p><strong>\uc591\uc790\uc800\ud56d<\/strong>: \uc591\uc790\ucef4\ud4e8\ud305\uc774 \ubc1c\uc804\ud568\uc5d0 \ub530\ub77c \uae30\uc874 \uc554\ud638\ud654 \uc54c\uace0\ub9ac\uc998\uc744 \uae68\ub728\ub9ac\ub294 \uc704\ud611\ub3c4 \ucee4\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ubbf8\ub798\uc758 \ubcf4\uc548\uc744 \uc720\uc9c0\ud558\ub824\uba74 \uc591\uc790 \uc800\ud56d\uc131 \ube14\ub85d \uc554\ud638\ub97c \uac1c\ubc1c\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uacbd\ub7c9 \uc554\ud638<\/strong>: \uc0ac\ubb3c \uc778\ud130\ub137(IoT)\uacfc \ub9ac\uc18c\uc2a4\uac00 \uc81c\ud55c\ub41c \uc7a5\uce58\uc758 \ub4f1\uc7a5\uc73c\ub85c \ucd5c\uc18c\ud55c\uc758 \uacc4\uc0b0\uacfc \uba54\ubaa8\ub9ac \ub9ac\uc18c\uc2a4\uac00 \ud544\uc694\ud55c \uacbd\ub7c9 \ube14\ub85d \uc554\ud638\uac00 \uc911\uc694\ud574\uc9c8 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<\/li>\n<li>\n<p><strong>\uc591\uc790 \uc774\ud6c4 \uc554\ud638<\/strong>: \uaca9\uc790 \uae30\ubc18 \ub610\ub294 \ucf54\ub4dc \uae30\ubc18 \uc554\ud638\uc640 \uac19\uc740 \uc0c8\ub85c\uc6b4 \uc554\ud638\ud654 \uae30\ubcf8 \uc694\uc18c\ub97c \uac1c\ucc99\ud558\uba74 \ud3ec\uc2a4\ud2b8 \uc591\uc790 \ubcf4\uc548\uc744 \uc81c\uacf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/li>\n<\/ol>\n<h2>\ud504\ub85d\uc2dc \uc11c\ubc84\ub97c \uc0ac\uc6a9\ud558\uac70\ub098 \ube14\ub85d \uc554\ud638\uc640 \uc5f0\uacb0\ud558\ub294 \ubc29\ubc95.<\/h2>\n<p>\ud504\ub85d\uc2dc \uc11c\ubc84\ub294 \ud074\ub77c\uc774\uc5b8\ud2b8\uc640 \uc778\ud130\ub137 \uac04\uc758 \uc911\uac1c\uc790 \uc5ed\ud560\uc744 \ud558\uc5ec \ud074\ub77c\uc774\uc5b8\ud2b8\uc758 \uc2e0\uc6d0\uc744 \uc228\uaca8 \uac1c\uc778 \uc815\ubcf4 \ubcf4\ud638 \ubc0f \ubcf4\uc548\uc744 \uac15\ud654\ud569\ub2c8\ub2e4. \uc554\ud638\ud654 \ubc0f \ub370\uc774\ud130 \ubcf4\ud638\uc758 \ucd94\uac00 \uacc4\uce35\uc744 \ub2ec\uc131\ud558\uae30 \uc704\ud574 \ube14\ub85d \uc554\ud638\uc640 \ud568\uaed8 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ud504\ub85d\uc2dc \uc11c\ubc84\ub97c \ud1b5\ud574 \ub370\uc774\ud130\ub97c \uc804\uc1a1\ud558\uae30 \uc804\uc5d0 \ube14\ub85d \uc554\ud638\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub370\uc774\ud130\ub97c \uc554\ud638\ud654\ud568\uc73c\ub85c\uc368, \uc2b9\uc778\ub418\uc9c0 \uc54a\uc740 \uc8fc\uccb4\uac00 \uac00\ub85c\ucc44\ub354\ub77c\ub3c4 \uc6d0\ubcf8 \ub370\uc774\ud130\ub294 \uc548\uc804\ud558\uac8c \uc720\uc9c0\ub429\ub2c8\ub2e4. \ub610\ud55c, \uc6d0\uaca9 \ud074\ub77c\uc774\uc5b8\ud2b8\uc640\uc758 \uc548\uc804\ud55c \ud1b5\uc2e0\uc744 \uc704\ud574 \ube14\ub85d \uc554\ud638\ub97c \uc0ac\uc6a9\ud558\ub3c4\ub85d \ud504\ub85d\uc2dc \uc11c\ubc84\ub97c \uad6c\uc131\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c \ub370\uc774\ud130 \uc804\uc1a1 \uc911\uc5d0 \uc911\uc694\ud55c \uc815\ubcf4\ub97c \ub354\uc6b1 \uc548\uc804\ud558\uac8c \ubcf4\ud638\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uad00\ub828\ub41c \ub9c1\ud06c\ub4e4<\/h2>\n<p>\ube14\ub85d \uc554\ud638 \ubc0f \uc554\ud638\ud654 \uc54c\uace0\ub9ac\uc998\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \ub0b4\uc6a9\uc744 \ubcf4\ub824\uba74 \ub2e4\uc74c \ub9ac\uc18c\uc2a4\ub97c \ubc29\ubb38\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4.<\/p>\n<ol>\n<li><a href=\"https:\/\/csrc.nist.gov\/projects\/cryptographic-toolkit\" target=\"_new\" rel=\"noopener nofollow\">NIST\uc758 \uc554\ud638\ud654 \ud234\ud0b7<\/a><\/li>\n<li><a href=\"https:\/\/www.iacr.org\/\" target=\"_new\" rel=\"noopener nofollow\">IACR: \uad6d\uc81c \uc554\ud638\ud559 \uc5f0\uad6c \ud611\ud68c<\/a><\/li>\n<li><a href=\"https:\/\/www.schneier.com\/\" target=\"_new\" rel=\"noopener nofollow\">\ubcf4\uc548\uc5d0 \uad00\ud55c Schneier<\/a><\/li>\n<\/ol>\n<p>\uacb0\ub860\uc801\uc73c\ub85c \ube14\ub85d \uc554\ud638\ub294 \ub514\uc9c0\ud138 \ud1b5\uc2e0\uc744 \ubcf4\ud638\ud558\uace0 \ubbfc\uac10\ud55c \uc815\ubcf4\uc758 \uae30\ubc00\uc131, \ubb34\uacb0\uc131 \ubc0f \uc2e0\ub8b0\uc131\uc744 \ubcf4\uc7a5\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uae30\uc220\uc774 \uacc4\uc18d \ubc1c\uc804\ud568\uc5d0 \ub530\ub77c \uc0c8\ub85c\uc6b4 \uc704\ud611\uc73c\ub85c\ubd80\ud130 \ubcf4\ud638\ud558\uae30 \uc704\ud574 \uacbd\uacc4\uc2ec\uc744 \uc720\uc9c0\ud558\uace0 \uc554\ud638\ud654 \uae30\uc220\uc744 \uc801\uc6a9\ud558\ub294 \uac83\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \ube14\ub85d \uc554\ud638\uc640 \ud568\uaed8 \ud504\ub85d\uc2dc \uc11c\ubc84\ub97c \ud65c\uc6a9\ud558\uba74 \ucd94\uac00 \ubcf4\ud638 \uacc4\uce35\uc774 \uc81c\uacf5\ub418\uc5b4 \uc778\ud130\ub137\uc744 \ud1b5\ud55c \uc548\uc804\ud55c \ube44\uacf5\uac1c \ud1b5\uc2e0\uc774 \ubcf4\uc7a5\ub429\ub2c8\ub2e4.<\/p>","protected":false},"featured_media":467754,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476058","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Block Cipher: Safeguarding Digital Communication<\/mark>","faq_items":[{"question":"What is a Block cipher?","answer":"<p>A Block cipher is a cryptographic algorithm used to encrypt and decrypt data in fixed-size blocks, ensuring the confidentiality, integrity, and authenticity of sensitive information.<\/p>"},{"question":"How did Block ciphers originate?","answer":"<p>Block ciphers have a rich history dating back to ancient times, with early examples like the Caesar cipher. Modern Block ciphers began to emerge during World War II, with the development of machines like the Enigma.<\/p>"},{"question":"How does a Block cipher work?","answer":"<p>A Block cipher operates on fixed-size blocks of data using a secret encryption key. It employs multiple rounds of substitutions and permutations, enhancing security.<\/p>"},{"question":"What are the key features of Block ciphers?","answer":"<p>Block ciphers offer confidentiality, data integrity, and block\/key size options. They are efficient, but security depends on key size and speed.<\/p>"},{"question":"What types of Block ciphers exist?","answer":"<p>Block ciphers come in various types, including Feistel Cipher, SP-Network, and Substitution-Permutation Network (SPN).<\/p>"},{"question":"How are Block ciphers used?","answer":"<p>Block ciphers find applications in secure communication, data encryption, digital signatures, and cryptographic hash functions.<\/p>"},{"question":"What challenges are associated with Block ciphers?","answer":"<p>Key management, security strength, and selecting appropriate modes of operation pose challenges in using Block ciphers.<\/p>"},{"question":"How do Block ciphers compare to Stream ciphers?","answer":"<p>Block ciphers work on fixed-size blocks, while Stream ciphers operate on individual bits. They differ in speed, memory usage, and error propagation.<\/p>"},{"question":"What does the future hold for Block ciphers?","answer":"<p>The future of Block ciphers lies in quantum resistance, lightweight ciphers for IoT, and post-quantum security developments.<\/p>"},{"question":"How are proxy servers associated with Block ciphers?","answer":"<p>Proxy servers act as intermediaries, and when used with Block ciphers, they provide an additional layer of encryption for secure data transmission.<\/p><p>For more detailed information and resources, explore the content above. Stay informed and secure in the digital age!<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki\/476058","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\/476058\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/media\/467754"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/media?parent=476058"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}