{"id":5824,"date":"2025-06-02T09:02:48","date_gmt":"2025-06-02T00:02:48","guid":{"rendered":"https:\/\/blog.agentsoft.co.kr\/index.php\/2025\/06\/02\/5824\/"},"modified":"2025-06-02T09:02:48","modified_gmt":"2025-06-02T00:02:48","slug":"triple-desc%ec%96%b8%ec%96%b4-report-%eb%b3%b4%ec%95%88-%eb%b3%b4%ea%b3%a0%ec%84%9c-%ed%94%84%eb%a1%9c%ea%b7%b8%eb%9e%a8-%ed%94%84%eb%a1%9c%ea%b7%b8%eb%9e%98%eb%b0%8d-%ec%96%b8%ec%96%b4-%eb%b3%b4","status":"publish","type":"post","link":"https:\/\/blog.agentsoft.co.kr\/index.php\/2025\/06\/02\/5824\/","title":{"rendered":"Triple DES(c\uc5b8\uc5b4) report \ubcf4\uc548 \ubcf4\uace0\uc11c \ud504\ub85c\uadf8\ub7a8 \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4 \ubcf4\uace0\uc11c(\uace0\ub824\ub300)"},"content":{"rendered":"

<\/p>\n

\ubaa9\ucc28<\/strong><\/p>\n

I.\t \ud504\ub85c\uadf8\ub7a8 \uac1c\uc694
\n1.\t\uc785\ub825 \ub370\uc774\ud130 \ucc98\ub9ac
\n2.\t\ub3d9\uc791 \ubaa8\ub4dc \uacb0\uc815
\n3.\tTriple DES \uc5f0\uc0b0
\n4.\t\ube14\ub85d \ucc98\ub9ac\uc640 \ud328\ub529
\n5.\t\uc911\uac04 \uacb0\uacfc \ucd9c\ub825
\n6.\t\uacb0\uacfc \ud30c\uc77c \uc800\uc7a5
\n7.\t\uc548\uc804\uc131\uacfc \ud604\ub300\uc801 \uc7c1\uc810 <\/p>\n

II.\t \ud504\ub85c\uadf8\ub7a8 \uc124\uacc4<\/p>\n

III.\t \ud504\ub85c\uadf8\ub7a8 \ub370\uc774\ud130 \uc124\uba85
\n1.\tBLOCK_SIZE
\n2.\tINITIAL_PERMUTATION
\n3.\tFINAL_PERMUTATION
\n4.\tKEY_PERMUTATION_1
\n5.\tKEY_PERMUTATION_2
\n6.\tEXPANSION
\n7.\tS_BOX
\n8.\tPERMUTATION <\/p>\n

IV.\t \ud504\ub85c\uadf8\ub7a8 \ud750\ub984 \uc124\uba85
\n1.\tBitset
\n2.\tKeySet
\n3.\tSubKey
\n4.\tBlock
\n5.\tRoundKeys
\n6.\tHalfBlock
\n7.\tBit32 <\/p>\n

V.\t \ud504\ub85c\uadf8\ub7a8 \ud3c9\uac00<\/p>\n

\ubcf8\ubb38\ub0b4\uc6a9<\/strong><\/p>\n

1.\t\uc785\ub825 \ub370\uc774\ud130 \ucc98\ub9ac: \ud504\ub85c\uadf8\ub7a8\uc740 \uc0ac\uc6a9\uc790\ub85c\ubd80\ud130 \ub450 \uac1c\uc758 \ud0a4 \ud30c\uc77c(key.txt)\uacfc \ub300\uc0c1 \ub370\uc774\ud130 \ud30c\uc77c(plaintext.txt \ub610\ub294 ciphertext.txt)\uc744 \uc785\ub825 \ubc1b\ub294\ub2e4. \uc774 \ud0a4\ub4e4\uc740 64\ube44\ud2b8\uc758 \uae38\uc774\ub97c \uac00\uc9c0\uba70, \uc774 \uc911 56\ube44\ud2b8\ub294 \uc2e4\uc81c \ud0a4 \ub370\uc774\ud130\ub97c \ub2f4\ub2f9\ud558\uace0, 8\ube44\ud2b8\ub294 \ud328\ub9ac\ud2f0 \ube44\ud2b8\ub85c \uad6c\uc131\ub41c\ub2e4. \ud328\ub9ac\ud2f0 \ube44\ud2b8\ub294 \ub370\uc774\ud130 \ubb34\uacb0\uc131\uc744 \uac80\uc0ac\ud558\ub294 \ub370 \uc0ac\uc6a9\ub41c\ub2e4. \ub300\uc0c1 \ub370\uc774\ud130 \ud30c\uc77c\uc740 \uc554\ud638\ud654\ud558\uac70\ub098 \ubcf5\ud638\ud654 \ud560 \ub0b4\uc6a9\uc744 \ud3ec\ud568\ud55c\ub2e4.\u2028
\n2.\t\ub3d9\uc791 \ubaa8\ub4dc \uacb0\uc815: \ud504\ub85c\uadf8\ub7a8\uc740 \uc785\ub825 \ud30c\uc77c\uc758 \uc774\ub984\uc744 \ubd84\uc11d\ud558\uc5ec \uc791\ub3d9 \ubaa8\ub4dc\ub97c \uacb0\uc815\ud55c\ub2e4. \ub9cc\uc57d \uc785\ub825 \ud30c\uc77c\uc758 \uc774\ub984\uc774 “plaintext.txt”\ub77c\uba74, \ud504\ub85c\uadf8\ub7a8\uc740 \uc554\ud638\ud654 \ubaa8\ub4dc\ub85c \ub3d9\uc791\ud558\uba70, “ciphertext.txt”\uc778 \uacbd\uc6b0 \ubcf5\ud638\ud654 \ubaa8\ub4dc\ub85c \ub3d9\uc791\ud55c\ub2e4.\u2028
\n3.\tTriple DES \uc5f0\uc0b0: Triple DES\ub294 DES \uc554\ud638\ud654\ub97c \uc138 \ubc88 \ubc18\ubcf5\ud558\ub294 \ubc29\uc2dd\uc73c\ub85c, \uc774 \ud504\ub85c\uadf8\ub7a8\uc740 \ud2b9\ud788 2-key Triple DES\uc758 EDE(Encryption-Decryption-Encryption) \ubc29\uc2dd\uc744 \uc0ac\uc6a9\ud55c\ub2e4. \uccab \ubc88\uc9f8\uc640 \uc138 \ubc88\uc9f8 \ub2e8\uacc4\uc5d0\uc11c\ub294 \uccab \ubc88\uc9f8 \ud0a4\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub370\uc774\ud130\ub97c \uc554\ud638\ud654\ud558\uace0, \uc911\uac04 \ub2e8\uacc4\uc5d0\uc11c\ub294 \ub450 \ubc88\uc9f8 \ud0a4\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubcf5\ud638\ud654 \ud55c\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \uae30\uc874 DES\uc640\uc758 \ud638\ud658\uc131\uc774 \uc720\uc9c0\ub41c\ub2e4. \ubc18\ub300\ub85c \ubcf5\ud638\ud654 \uacfc\uc815\uc5d0\uc11c\ub294 DED(Decryption-Encryption-Decryption) \ubc29\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \uccab \ubc88\uc9f8 \ud0a4\ub85c \ubcf5\ud638\ud654\ud558\uace0 \ub450 \ubc88\uc9f8 \ud0a4\ub85c \uc554\ud638\ud654\ud55c \ub4a4 \ub2e4\uc2dc \uccab \ubc88\uc9f8 \ud0a4\ub85c \ubcf5\ud638\ud654\ud55c\ub2e4.\u2028
\n4.\t\ube14\ub85d \ucc98\ub9ac\uc640 \ud328\ub529: Triple DES\ub294 64\ube44\ud2b8 \ube14\ub85d \ud06c\uae30\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc554\ud638\ud654\ud55c\ub2e4. \uc785\ub825 \ub370\uc774\ud130\uac00 64\ube44\ud2b8\uc758 \ubc30\uc218\uac00 \uc544\ub2d0 \uacbd\uc6b0, \ube14\ub85d \ud06c\uae30\ub97c \ub9de\ucd94\uae30 \uc704\ud574 \ud328\ub529\uc774 \ud544\uc694\ud558\ub2e4. \uc774 \ud504\ub85c\uadf8\ub7a8\uc740 PKCS#5 \ud328\ub529 \ubc29\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \ube14\ub85d\uc758 \ub9c8\uc9c0\ub9c9 \ubd80\ubd84\uc5d0 \ud544\uc694\ud55c \ubc14\uc774\ud2b8\ub97c \ucd94\uac00\ud55c\ub2e4.\u2028
\n5.\t\uc911\uac04 \uacb0\uacfc \ucd9c\ub825: Triple DES \uc5f0\uc0b0 \uacfc\uc815\uc740 \ucd1d 48\uac1c(16×3)\uc758 \ub77c\uc6b4\ub4dc\ub85c \uad6c\uc131\ub41c\ub2e4. \ud504\ub85c\uadf8\ub7a8\uc740 \uac01 \ub77c\uc6b4\ub4dc\uc5d0\uc11c \uc0dd\uc131\ub418\ub294 \uc11c\ube0c\ud0a4\uc640 \uc911\uac04 \uc554\ud638\ud654 \uacb0\uacfc\ub97c \ucf58\uc194 \ud654\uba74\uc5d0 \ucd9c\ub825\ud558\uc5ec, \uc0ac\uc6a9\uc790\uac00 \uc774\ud574\ud558\uae30 \uc27d\uac8c \ud45c\uc2dc\ud55c\ub2e4.<\/p>\n

\ucd9c\ucc98 : \ud574\ud53c\ucea0\ud37c\uc2a4<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\ubaa9\ucc28 I. \ud504\ub85c\uadf8\ub7a8 \uac1c\uc694 1. \uc785\ub825 \ub370\uc774\ud130 \ucc98\ub9ac 2. \ub3d9\uc791 \ubaa8\ub4dc \uacb0\uc815 3. Triple DES \uc5f0\uc0b0 4. \ube14\ub85d \ucc98\ub9ac\uc640 \ud328\ub529 5. \uc911\uac04 \uacb0\uacfc \ucd9c\ub825 6. \uacb0\uacfc \ud30c\uc77c \uc800\uc7a5 7. \uc548\uc804\uc131\uacfc \ud604\ub300\uc801 \uc7c1\uc810 II. \ud504\ub85c\uadf8\ub7a8 \uc124\uacc4 III. \ud504\ub85c\uadf8\ub7a8 \ub370\uc774\ud130 \uc124\uba85 1. BLOCK_SIZE 2. INITIAL_PERMUTATION 3. FINAL_PERMUTATION 4. KEY_PERMUTATION_1 5. KEY_PERMUTATION_2 6. EXPANSION 7. S_BOX 8. PERMUTATION […]<\/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":[9301,425,4949,10314,2387,10315,8796,2876,1646],"class_list":["post-5824","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-__aa","tag-12-","tag-a","tag-c","tag-2387","tag-10315","tag-8796","tag-2876","tag-1646"],"_links":{"self":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/5824","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/comments?post=5824"}],"version-history":[{"count":0,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/5824\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/media?parent=5824"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/categories?post=5824"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/tags?post=5824"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}