{"id":42634,"date":"2024-11-11T03:11:06","date_gmt":"2024-11-11T03:11:06","guid":{"rendered":"https:\/\/atmokpo.com\/w\/?p=42634"},"modified":"2024-11-26T06:34:52","modified_gmt":"2024-11-26T06:34:52","slug":"20-%ec%98%a4%eb%9d%bc%ed%81%b4-%ed%94%84%eb%a1%9c%ec%8b%9c%ec%a0%80%ec%99%80-c%ec%9d%84-%ec%9d%b4%ec%9a%a9%ed%95%9c-%eb%8d%b0%ec%9d%b4%ed%84%b0-%eb%b3%b4%ec%95%88-%ea%b0%95%ed%99%94-%ed%94%84","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/42634\/","title":{"rendered":"[C# PL\/SQL] 20.\uc624\ub77c\ud074 \ud504\ub85c\uc2dc\uc800\uc640 C#\uc744 \uc774\uc6a9\ud55c \ub370\uc774\ud130 \ubcf4\uc548 \uac15\ud654, \ud504\ub85c\uc2dc\uc800 \ub0b4 \ub370\uc774\ud130 \uc554\ud638\ud654, C#\uc5d0\uc11c\uc758 \ubcf4\uc548 \ud1b5\uc2e0, \uc0ac\uc6a9\uc790 \uad8c\ud55c \uad00\ub9ac."},"content":{"rendered":"

20. \uc624\ub77c\ud074 \ud504\ub85c\uc2dc\uc800\uc640 C#\uc744 \uc774\uc6a9\ud55c \ub370\uc774\ud130 \ubcf4\uc548 \uac15\ud654<\/h2>\n

\ub370\uc774\ud130 \ubcf4\uc548\uc740 \ud604\ub300 \uc815\ubcf4 \uae30\uc220 \ud658\uacbd\uc5d0\uc11c \uac00\uc7a5 \uc911\uc694\ud55c \uc774\uc288 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \ud2b9\ud788, \ubbfc\uac10\ud55c \uc815\ubcf4\ub97c \ub2e4\ub8e8\ub294 \uae30\uc5c5 \ud658\uacbd\uc5d0\uc11c\ub294 \ub370\uc774\ud130\uc758 \uc800\uc7a5, \uc804\uc1a1 \ubc0f \ucc98\ub9ac \uacfc\uc815\uc5d0\uc11c \ubcf4\uc548\uc744 \ucca0\uc800\ud788 \uac15\ud654\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ubc88 \uae00\uc5d0\uc11c\ub294 \uc624\ub77c\ud074 \ud504\ub85c\uc2dc\uc800\uc640 C#\uc744 \ud65c\uc6a9\ud558\uc5ec \ub370\uc774\ud130 \ubcf4\uc548\uc744 \uac15\ud654\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \ub2e4\ub8e8\uace0\uc790 \ud569\ub2c8\ub2e4. \uad6c\uccb4\uc801\uc73c\ub85c, \ub370\uc774\ud130 \uc554\ud638\ud654, \ubcf4\uc548 \ud1b5\uc2e0, \uc0ac\uc6a9\uc790 \uad8c\ud55c \uad00\ub9ac\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc124\uba85\ud558\uace0 \uc608\uc81c\ub97c \ud1b5\ud574 \uc2e4\uc9c8\uc801\uc778 \uad6c\ud604 \ubc29\uc548\uc744 \uc81c\uc2dc\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n

1. \ub370\uc774\ud130 \uc554\ud638\ud654: \uc624\ub77c\ud074 \ud504\ub85c\uc2dc\uc800 \ub0b4 \ub370\uc774\ud130 \uc554\ud638\ud654<\/h3>\n

\ub370\uc774\ud130 \uc554\ud638\ud654\ub294 \ub370\uc774\ud130\ub97c \ubb34\ub2e8\uc73c\ub85c \uc811\uadfc\ud560 \uc218 \uc5c6\ub3c4\ub85d \ubcc0\ud658\ud558\ub294 \uacfc\uc815\uc785\ub2c8\ub2e4. \uc624\ub77c\ud074 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0\uc11c PL\/SQL \ud504\ub85c\uc2dc\uc800\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub370\uc774\ud130 \uc554\ud638\ud654\ub97c \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc5ec\uae30\uc11c\ub294 AES(Advanced Encryption Standard) \uc54c\uace0\ub9ac\uc998\uc744 \uc0ac\uc6a9\ud558\ub294 \uc608\uc81c\ub97c \ud1b5\ud574 \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n

1.1. \uc624\ub77c\ud074\uc5d0\uc11c AES \uc554\ud638\ud654 \uad6c\ud604\ud558\uae30<\/h4>\n

\uba3c\uc800, \uc624\ub77c\ud074 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0\uc11c AES \uc554\ud638\ud654\ub97c \uc704\ud55c \uc0ac\uc6a9\uc790 \uc815\uc758 \ud568\uc218\ub97c \uc791\uc131\ud569\ub2c8\ub2e4. \uc774 \ud568\uc218\ub294 \uc785\ub825\ub41c \ub370\uc774\ud130\ub97c \uc554\ud638\ud654\ud558\uc5ec \ubc18\ud658\ud569\ub2c8\ub2e4.<\/p>\n

\n\nCREATE OR REPLACE FUNCTION encrypt_data(p_data IN VARCHAR2, p_key IN VARCHAR2) RETURN RAW IS\n    v_encrypted_data RAW(2000);\nBEGIN\n    v_encrypted_data := DBMS_CRYPTO.ENCRYPT(\n        src => UTL_I18N.STRING_TO_RAW(p_data, 'AL32UTF8'),\n        typ => DBMS_CRYPTO.AES_CBC_PKCS5,\n        key => UTL_I18N.STRING_TO_RAW(p_key, 'AL32UTF8')\n    );\n    RETURN v_encrypted_data;\nEND encrypt_data;\n<\/code>\n<\/pre>\n
\uc774\uc81c \uc704\uc5d0\uc11c \uc791\uc131\ud55c encrypt_data \ud568\uc218\ub97c \uc774\uc6a9\ud558\uc5ec \ub370\uc774\ud130\ub97c \uc554\ud638\ud654\ud558\uace0, \ud574\ub2f9 \ub370\uc774\ud130\ub97c \ud14c\uc774\ube14\uc5d0 \uc800\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\n\nCREATE TABLE secure_data (\n    id NUMBER PRIMARY KEY,\n    encrypted_value RAW(2000)\n);\n\nINSERT INTO secure_data (id, encrypted_value)\nVALUES (1, encrypt_data('Sensitive Information', 'secret_key'));\n<\/code>\n<\/pre>\n
1.2. \uc554\ud638\ud654\ub41c \ub370\uc774\ud130 \ubcf5\ud638\ud654<\/h4>\n
\uc554\ud638\ud654\ub41c \ub370\uc774\ud130\ub97c \ubcf5\ud638\ud654\ud558\uae30 \uc704\ud55c \ud568\uc218\ub3c4 \uc791\uc131\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774 \ub610\ud55c DBMS_CRYPTO \ud328\ud0a4\uc9c0\ub97c \ud65c\uc6a9\ud558\uc5ec \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\n\nCREATE OR REPLACE FUNCTION decrypt_data(p_encrypted_data IN RAW, p_key IN VARCHAR2) RETURN VARCHAR2 IS\n    v_decrypted_data RAW(2000);\nBEGIN\n    v_decrypted_data := DBMS_CRYPTO.DECRYPT(\n        src => p_encrypted_data,\n        typ => DBMS_CRYPTO.AES_CBC_PKCS5,\n        key => UTL_I18N.STRING_TO_RAW(p_key, 'AL32UTF8')\n    );\n    RETURN UTL_I18N.RAW_TO_STRING(v_decrypted_data);\nEND decrypt_data;\n<\/code>\n<\/pre>\n
2. C#\uc5d0\uc11c\uc758 \ubcf4\uc548 \ud1b5\uc2e0<\/h3>\n
C#\uc5d0\uc11c \uc624\ub77c\ud074 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640 \ud1b5\uc2e0\ud558\uae30 \uc704\ud574\uc11c\ub294 \ubcf4\uc548 \ud504\ub85c\ud1a0\ucf5c\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. SSL\/TLS\ub97c \ud1b5\ud574 \ub370\uc774\ud130 \ud1b5\uc2e0\uc758 \ubcf4\uc548\uc744 \uac15\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. C#\uc5d0\uc11c\ub294 `Oracle.ManagedDataAccess` \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc624\ub77c\ud074\uacfc \uc5f0\uacb0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
2.1. C#\uc5d0\uc11c \uc624\ub77c\ud074 \uc5f0\uacb0 \uc124\uc815\ud558\uae30<\/h4>\n
\uc624\ub77c\ud074 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 SSL\uc744 \ud1b5\ud55c \uc548\uc804\ud55c \uc5f0\uacb0\uc744 \uc124\uc815\ud558\ub294 \uc608\uc81c\uc785\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574 `OracleConnection` \ud074\ub798\uc2a4\uc758 \uc5f0\uacb0 \ubb38\uc790\uc5f4\uc5d0 SSL \uad00\ub828 \uc124\uc815\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4.<\/p>\n
\n\nstring connectionString = \"User Id=myUsername;Password=myPassword;Data Source=myDataSource;SSL=true;\";\nusing (OracleConnection conn = new OracleConnection(connectionString))\n{\n    conn.Open();\n    \/\/ \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc791\uc5c5 \uc218\ud589\n}\n<\/code>\n<\/pre>\n
2.2. \ub370\uc774\ud130 \uc804\uc1a1 \uc2dc \uc554\ud638\ud654<\/h4>\n
\uc0ac\uc6a9\uc790\uac00 \uc785\ub825\ud55c \ub370\uc774\ud130\ub97c \uc624\ub77c\ud074 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \uc800\uc7a5\ud558\uae30 \uc804\uc5d0 C#\uc5d0\uc11c \uc554\ud638\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc5ec\uae30\uc11c\ub294 AES \uc554\ud638\ud654 \uc608\uc81c\ub97c \ud1b5\ud574 \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n
\n\nusing System.Security.Cryptography;\nusing System.Text;\n\npublic static byte[] Encrypt(string plainText, string key)\n{\n    using (Aes aes = Aes.Create())\n    {\n        aes.Key = Encoding.UTF8.GetBytes(key);\n        aes.GenerateIV();\n\n        using (MemoryStream msEncrypt = new MemoryStream())\n        {\n            msEncrypt.Write(aes.IV, 0, aes.IV.Length);\n            using (CryptoStream csEncrypt = new CryptoStream(msEncrypt, aes.CreateEncryptor(), CryptoStreamMode.Write))\n            {\n                using (StreamWriter swEncrypt = new StreamWriter(csEncrypt))\n                {\n                    swEncrypt.Write(plainText);\n                }\n            }\n            return msEncrypt.ToArray();\n        }\n    }\n}\n<\/code>\n<\/pre>\n
3. \uc0ac\uc6a9\uc790 \uad8c\ud55c \uad00\ub9ac<\/h3>\n
\ub370\uc774\ud130 \ubcf4\uc548\uc744 \uac15\ud654\ud558\uae30 \uc704\ud574\uc11c\ub294 \uc0ac\uc6a9\uc790 \uad8c\ud55c \uad00\ub9ac\ub97c \ucca0\uc800\ud788 \ud574\uc57c \ud569\ub2c8\ub2e4. \uc624\ub77c\ud074 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0\uc11c\ub294 GRANT\uc640 REVOKE \uba85\ub839\uc5b4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc0ac\uc6a9\uc790\uc758 \uad8c\ud55c\uc744 \uad00\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
3.1. \uad8c\ud55c \ubd80\uc5ec \ubc0f \ud68c\uc218<\/h4>\n
\uc544\ub798\uc640 \uac19\uc740 SQL \uba85\ub839\uc5b4\ub4e4\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc0ac\uc6a9\uc790\uc5d0\uac8c \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uac1d\uccb4\uc5d0 \ub300\ud55c \uc811\uadfc \uad8c\ud55c\uc744 \ubd80\uc5ec\ud558\uac70\ub098 \ud68c\uc218\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\n\nGRANT SELECT, INSERT ON secure_data TO myUser;\nREVOKE INSERT ON secure_data FROM myUser;\n<\/code>\n<\/pre>\n
3.2. \uc0ac\uc6a9\uc790 \uc5ed\ud560(Role) \uad00\ub9ac<\/h4>\n
\uc0ac\uc6a9\uc790 \uc5ed\ud560\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc5ec\ub7ec \uc0ac\uc6a9\uc790\uc5d0\uac8c \uacf5\ud1b5\ub41c \uad8c\ud55c\uc744 \ubd80\uc5ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc5ed\ud560\uc744 \uc0dd\uc131\ud558\uace0 \uc0ac\uc6a9\uc790\uc5d0\uac8c \ud560\ub2f9\ud558\ub294 \ubc29\ubc95\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n
\n\nCREATE ROLE data_analyst;\nGRANT SELECT ON secure_data TO data_analyst;\nGRANT data_analyst TO myUser;\n<\/code>\n<\/pre>\n
4. \uacb0\ub860<\/h3>\n
\ub370\uc774\ud130 \ubcf4\uc548\uc740 IT \uc2dc\uc2a4\ud15c\uc758 \uc2e0\ub8b0\uc131\uc744 \ub192\uc774\ub294 \ub370 \uc911\uc694\ud55c \uc694\uc18c\uc785\ub2c8\ub2e4. \uc624\ub77c\ud074 \ud504\ub85c\uc2dc\uc800\ub97c \ud1b5\ud55c \ub370\uc774\ud130 \uc554\ud638\ud654, C#\uc5d0\uc11c\uc758 \uc548\uc804\ud55c \ud1b5\uc2e0, \uadf8\ub9ac\uace0 \uc0ac\uc6a9\uc790 \uad8c\ud55c \uad00\ub9ac\ub294 \ub370\uc774\ud130 \ubcf4\ud638\ub97c \uc704\ud574 \ubc18\ub4dc\uc2dc \uace0\ub824\ud574\uc57c \ud560 \uc0ac\ud56d\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uae30\uc220\ub4e4\uc744 \uc885\ud569\uc801\uc73c\ub85c \ud65c\uc6a9\ud558\uba74 \ubcf4\ub2e4 \uacac\uace0\ud55c \ubcf4\uc548 \uc2dc\uc2a4\ud15c\uc744 \uad6c\ucd95\ud560 \uc218 \uc788\uc73c\uba70, \uc774\ub294 \uae30\uc5c5\uc758 \ubbfc\uac10\ud55c \uc815\ubcf4\ub97c \uc548\uc804\ud558\uac8c \ubcf4\ud638\ud558\ub294 \ub370 \ud070 \ub3c4\uc6c0\uc774 \ub420 \uac83\uc785\ub2c8\ub2e4.<\/p>\n
\ubc1c\ud45c\ub41c \ucf54\ub4dc \uc774\ud574\ud558\uae30<\/h4>\n
\uc704\uc758 \ucf54\ub4dc \uc608\uc81c\ub4e4\uc740 \ub370\uc774\ud130 \ubcf4\uc548\uacfc \uad00\ub828\ud55c \ub2e4\uc591\ud55c \uae30\ub2a5\uc744 \uad6c\ud604\ud558\ub294 \ub370 \ud544\uc694\ud55c \uae30\ucd08\uc801\uc778 \uad6c\uc131 \uc694\uc18c\ub97c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \uc2e4\uc81c \uc0ac\uc6a9\ud560 \ub54c\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ubc0f \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ud658\uacbd\uc5d0 \ub9de\uac8c \ucd94\uac00\uc801\uc778 \uc124\uc815 \ubc0f \ucd5c\uc801\ud654\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ub370\uc774\ud130 \uc554\ud638\ud654 \ubc0f \ud1b5\uc2e0 \ubcf4\uc548\uc740 \uc9c0\uc18d\uc801\uc73c\ub85c \uc9c4\ud654\ud558\uace0 \uc788\ub294 \ubd84\uc57c\uc774\ubbc0\ub85c, \ucd5c\uc2e0 \ubcf4\uc548 \ud504\ub85c\ud1a0\ucf5c \ubc0f \uc554\ud638\ud654 \uc54c\uace0\ub9ac\uc998\uc744 \uc801\uc6a9\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n
\uc774 \uae00\uc774 \uc624\ub77c\ud074 \ubc0f C#\uc744 \uc0ac\uc6a9\ud558\ub294 \uac1c\ubc1c\uc790\uc5d0\uac8c \ub370\uc774\ud130 \ubcf4\uc548\uc744 \uac15\ud654\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud55c \uc720\uc6a9\ud55c \uc815\ubcf4\ub97c \uc81c\uacf5\ud588\uae30\ub97c \ubc14\ub78d\ub2c8\ub2e4. \ub370\uc774\ud130 \ubcf4\uc548 \uc5c6\uc774\ub294 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uc2dc\uc2a4\ud15c\uc744 \ub9cc\ub4e4 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc774\ub7ec\ud55c \uac1c\ub150\uc744 \uc798 \uc774\ud574\ud558\uace0 \uc801\uc6a9\ud558\ub294 \uac83\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"
20. \uc624\ub77c\ud074 \ud504\ub85c\uc2dc\uc800\uc640 C#\uc744 \uc774\uc6a9\ud55c \ub370\uc774\ud130 \ubcf4\uc548 \uac15\ud654 \ub370\uc774\ud130 \ubcf4\uc548\uc740 \ud604\ub300 \uc815\ubcf4 \uae30\uc220 \ud658\uacbd\uc5d0\uc11c \uac00\uc7a5 \uc911\uc694\ud55c \uc774\uc288 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \ud2b9\ud788, \ubbfc\uac10\ud55c \uc815\ubcf4\ub97c \ub2e4\ub8e8\ub294 \uae30\uc5c5 \ud658\uacbd\uc5d0\uc11c\ub294 \ub370\uc774\ud130\uc758 \uc800\uc7a5, \uc804\uc1a1 \ubc0f \ucc98\ub9ac \uacfc\uc815\uc5d0\uc11c \ubcf4\uc548\uc744 \ucca0\uc800\ud788 \uac15\ud654\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ubc88 \uae00\uc5d0\uc11c\ub294 \uc624\ub77c\ud074 \ud504\ub85c\uc2dc\uc800\uc640 C#\uc744 \ud65c\uc6a9\ud558\uc5ec \ub370\uc774\ud130 \ubcf4\uc548\uc744 \uac15\ud654\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \ub2e4\ub8e8\uace0\uc790 \ud569\ub2c8\ub2e4. \uad6c\uccb4\uc801\uc73c\ub85c, \ub370\uc774\ud130 \uc554\ud638\ud654, \ubcf4\uc548 \ud1b5\uc2e0, \uc0ac\uc6a9\uc790 \uad8c\ud55c … \ub354 \ubcf4\uae30 “[C# PL\/SQL] 20.\uc624\ub77c\ud074 \ud504\ub85c\uc2dc\uc800\uc640 C#\uc744 \uc774\uc6a9\ud55c \ub370\uc774\ud130 \ubcf4\uc548 \uac15\ud654, \ud504\ub85c\uc2dc\uc800 \ub0b4 \ub370\uc774\ud130 \uc554\ud638\ud654, C#\uc5d0\uc11c\uc758 \ubcf4\uc548 \ud1b5\uc2e0, \uc0ac\uc6a9\uc790 \uad8c\ud55c \uad00\ub9ac.”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[241],"tags":[],"class_list":["post-42634","post","type-post","status-publish","format-standard","hentry","category-csharp"],"yoast_head":"\n[C# PL\/SQL] 20.\uc624\ub77c\ud074 \ud504\ub85c\uc2dc\uc800\uc640 C#\uc744 \uc774\uc6a9\ud55c \ub370\uc774\ud130 \ubcf4\uc548 \uac15\ud654, \ud504\ub85c\uc2dc\uc800 \ub0b4 \ub370\uc774\ud130 \uc554\ud638\ud654, C#\uc5d0\uc11c\uc758 \ubcf4\uc548 \ud1b5\uc2e0, \uc0ac\uc6a9\uc790 \uad8c\ud55c \uad00\ub9ac. - 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