{"@attributes":{"version":"2.0"},"channel":{"title":"Documentation \u2013 PdfFileSecurity \ud074\ub798\uc2a4","link":"https:\/\/docs.aspose.com\/pdf\/ko\/java\/pdffilesecurity-class\/","description":"Recent content in PdfFileSecurity \ud074\ub798\uc2a4 on Documentation","generator":"Hugo -- gohugo.io","language":"ko","lastBuildDate":"Sat, 05 Jun 2021 00:00:00 +0000","item":[{"title":"Java: PDF \ud30c\uc77c \uc554\ud638\ud654","link":"https:\/\/docs.aspose.com\/pdf\/ko\/java\/encrypt-pdf-file\/","pubDate":"Sat, 05 Jun 2021 00:00:00 +0000","guid":"https:\/\/docs.aspose.com\/pdf\/ko\/java\/encrypt-pdf-file\/","description":"\n \n \n

\ub2e4\uc591\ud55c \uc554\ud638\ud654 \uc720\ud615 \ubc0f \uc54c\uace0\ub9ac\uc998\uc744 \uc0ac\uc6a9\ud558\uc5ec PDF \ud30c\uc77c \uc554\ud638\ud654<\/h2>\n

PDF \ud30c\uc77c\uc744 \uc554\ud638\ud654\ud558\ub824\uba74 PdfFileSecurity<\/a> \uac1d\uccb4\ub97c \uc0dd\uc131\ud55c \ub2e4\uc74c, EncryptFile<\/a> \uba54\uc11c\ub4dc\ub97c \ud638\ucd9c\ud574\uc57c \ud569\ub2c8\ub2e4. \uc0ac\uc6a9\uc790 \ube44\ubc00\ubc88\ud638, \uc18c\uc720\uc790 \ube44\ubc00\ubc88\ud638 \ubc0f \uad8c\ud55c\uc744 EncryptFile<\/a> \uba54\uc11c\ub4dc\uc5d0 \uc804\ub2ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uba54\uc11c\ub4dc\uc5d0\ub294 KeySize\uc640 Algorithm \uac12\ub3c4 \uc804\ub2ec\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

\ub2e4\uc74c \ucf54\ub4dc \uc2a4\ub2c8\ud3ab\uc740 PDF \ud30c\uc77c\uc744 \uc554\ud638\ud654\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n

    <\/span>public<\/span> <\/span>static<\/span> <\/span>void<\/span> <\/span>EncryptPDFFile<\/span>()<\/span> <\/span>{<\/span>\n<\/span><\/span><\/span>        <\/span>\/\/ PdfFileSecurity \uac1d\uccb4 \uc0dd\uc131<\/span>\n<\/span><\/span><\/span>        <\/span>PdfFileSecurity<\/span> <\/span>fileSecurity<\/span> <\/span>=<\/span> <\/span>new<\/span> <\/span>PdfFileSecurity<\/span>();<\/span>\n<\/span><\/span><\/span>        <\/span>fileSecurity<\/span>.<\/span>bindPdf<\/span>(<\/span>_dataDir<\/span> <\/span>+<\/span> <\/span>"sample.pdf"<\/span>);<\/span>\n<\/span><\/span><\/span>        <\/span>\/\/ 256\ube44\ud2b8 \uc554\ud638\ud654\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud30c\uc77c \uc554\ud638\ud654<\/span>\n<\/span><\/span><\/span>        <\/span>fileSecurity<\/span>.<\/span>encryptFile<\/span>(<\/span>"User_P@ssw0rd"<\/span>,<\/span> <\/span>"OwnerP@ssw0rd"<\/span>,<\/span> <\/span>DocumentPrivilege<\/span>.<\/span>getPrint<\/span>(),<\/span> <\/span>KeySize<\/span>.<\/span>x256<\/span>,<\/span>\n<\/span><\/span><\/span>                <\/span>Algorithm<\/span>.<\/span>AES<\/span>);<\/span>\n<\/span><\/span><\/span>        <\/span>fileSecurity<\/span>.<\/span>save<\/span>(<\/span>_dataDir<\/span> <\/span>+<\/span> <\/span>"sample_encrypted.pdf"<\/span>);<\/span>\n<\/span><\/span><\/span>    <\/span>}<\/span>\n<\/span><\/span><\/span><\/code><\/pre><\/div>\n      "},{"title":"Java: PDF \ud30c\uc77c \ud574\ub3c5","link":"https:\/\/docs.aspose.com\/pdf\/ko\/java\/decrypt-pdf-file\/","pubDate":"Sat, 05 Jun 2021 00:00:00 +0000","guid":"https:\/\/docs.aspose.com\/pdf\/ko\/java\/decrypt-pdf-file\/","description":"\n        \n        \n        
\uc18c\uc720\uc790 \ube44\ubc00\ubc88\ud638\ub97c \uc0ac\uc6a9\ud558\uc5ec PDF \ud30c\uc77c \ud574\ub3c5<\/h2>\n\n\n
\n\n\uc628\ub77c\uc778\uc73c\ub85c \uc2dc\ub3c4\ud574\ubcf4\uc138\uc694 
\nAspose.PDF\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubb38\uc11c\ub97c \uc7a0\uae08 \ud574\uc81c\ud558\uace0 \uc774 \ub9c1\ud06c\uc5d0\uc11c \uc628\ub77c\uc778\uc73c\ub85c \uacb0\uacfc\ub97c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:\nproducts.aspose.app\/pdf\/unlock<\/a>\n<\/div>\n\n
PDF \ud30c\uc77c\uc744 \ud574\ub3c5\ud558\ub824\uba74 PdfFileSecurity<\/a> \uac1d\uccb4\ub97c \uc0dd\uc131\ud55c \ud6c4 DecryptFile<\/a> \uba54\uc11c\ub4dc\ub97c \ud638\ucd9c\ud574\uc57c \ud569\ub2c8\ub2e4. \ub610\ud55c DecryptFile<\/a> \uba54\uc11c\ub4dc\uc5d0 \uc18c\uc720\uc790 \ube44\ubc00\ubc88\ud638\ub97c \uc804\ub2ec\ud574\uc57c \ud569\ub2c8\ub2e4. \ub2e4\uc74c \ucf54\ub4dc \uc2a4\ub2c8\ud3ab\uc740 PDF \ud30c\uc77c\uc744 \ud574\ub3c5\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n
    <\/span>public<\/span> <\/span>static<\/span> <\/span>void<\/span> <\/span>DecryptPDFFile<\/span>()<\/span> <\/span>{<\/span>\n<\/span><\/span><\/span>        <\/span>PdfFileInfo<\/span> <\/span>pdfFileInfo<\/span> <\/span>=<\/span> <\/span>new<\/span> <\/span>PdfFileInfo<\/span>(<\/span>_dataDir<\/span> <\/span>+<\/span> <\/span>"sample_encrypted.pdf"<\/span>);<\/span>\n<\/span><\/span><\/span>        <\/span>\/\/ PdfFileSecurity \uac1d\uccb4 \uc0dd\uc131<\/span>\n<\/span><\/span><\/span>        <\/span>if<\/span> <\/span>(<\/span>pdfFileInfo<\/span>.<\/span>isEncrypted<\/span>())<\/span> <\/span>{<\/span>\n<\/span><\/span><\/span>            <\/span>PdfFileSecurity<\/span> <\/span>fileSecurity<\/span> <\/span>=<\/span> <\/span>new<\/span> <\/span>PdfFileSecurity<\/span>();<\/span>\n<\/span><\/span><\/span>            <\/span>fileSecurity<\/span>.<\/span>bindPdf<\/span>(<\/span>_dataDir<\/span> <\/span>+<\/span> <\/span>"sample_encrypted.pdf"<\/span>);<\/span>\n<\/span><\/span><\/span>            <\/span>\/\/ PDF \ubb38\uc11c \ud574\ub3c5<\/span>\n<\/span><\/span><\/span>            <\/span>fileSecurity<\/span>.<\/span>decryptFile<\/span>(<\/span>"User_P@ssw0rd"<\/span>);<\/span>\n<\/span><\/span><\/span>            <\/span>fileSecurity<\/span>.<\/span>save<\/span>(<\/span>_dataDir<\/span> <\/span>+<\/span> <\/span>"sample_decrtypted.pdf"<\/span>);<\/span>\n<\/span><\/span><\/span>        <\/span>}<\/span>\n<\/span><\/span><\/span>    <\/span>}<\/span>\n<\/span><\/span><\/span><\/code><\/pre><\/div>\n      "},{"title":"Java: \uc608\uc678 \uc81c\uc5b4 PDF \ud30c\uc77c","link":"https:\/\/docs.aspose.com\/pdf\/ko\/java\/control-exception\/","pubDate":"Sat, 05 Jun 2021 00:00:00 +0000","guid":"https:\/\/docs.aspose.com\/pdf\/ko\/java\/control-exception\/","description":"\n        \n        \n        
setAllowExceptions<\/a>\uc744 true\ub85c \uc124\uc815\ud558\uba74, try-catch \uc5f0\uc0b0\uc790\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc791\uc5c5\uc758 \uacb0\uacfc\ub97c \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
    <\/span>public<\/span> <\/span>static<\/span> <\/span>void<\/span> <\/span>ControlExceptionPDFFile<\/span>()<\/span> <\/span>{<\/span>\n<\/span><\/span><\/span>        <\/span>PdfFileSecurity<\/span> <\/span>fileSecurity<\/span> <\/span>=<\/span> <\/span>new<\/span> <\/span>PdfFileSecurity<\/span>();<\/span>\n<\/span><\/span><\/span>        <\/span>fileSecurity<\/span>.<\/span>bindPdf<\/span>(<\/span>_dataDir<\/span> <\/span>+<\/span> <\/span>"sample_encrypted.pdf"<\/span>);<\/span>\n<\/span><\/span><\/span>        <\/span>fileSecurity<\/span>.<\/span>setAllowExceptions<\/span>(<\/span>false<\/span>);<\/span>\n<\/span><\/span><\/span>        <\/span>\/\/ PDF \ubb38\uc11c \ud574\ub3c5<\/span>\n<\/span><\/span><\/span>\n<\/span><\/span><\/span>        <\/span>if<\/span> <\/span>(<\/span>!<\/span>fileSecurity<\/span>.<\/span>decryptFile<\/span>(<\/span>"IncorrectPassword"<\/span>))<\/span> <\/span>{<\/span>\n<\/span><\/span><\/span>            <\/span>System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>"\ubb38\uc81c\uac00 \ubc1c\uc0dd\ud588\uc2b5\ub2c8\ub2e4..."<\/span>);<\/span>\n<\/span><\/span><\/span>            <\/span>System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>"\ub9c8\uc9c0\ub9c9 \uc608\uc678: "<\/span> <\/span>+<\/span> <\/span>fileSecurity<\/span>.<\/span>getLastException<\/span>().<\/span>getMessage<\/span>());<\/span>\n<\/span><\/span><\/span>        <\/span>}<\/span>\n<\/span><\/span><\/span>        <\/span>fileSecurity<\/span>.<\/span>save<\/span>(<\/span>_dataDir<\/span> <\/span>+<\/span> <\/span>"sample_decrtypted.pdf"<\/span>);<\/span>\n<\/span><\/span><\/span>    <\/span>}<\/span>\n<\/span><\/span><\/span><\/code><\/pre><\/div>\n      "},{"title":"Java: PDF \ud30c\uc77c\uc758 \ube44\ubc00\ubc88\ud638 \ubcc0\uacbd","link":"https:\/\/docs.aspose.com\/pdf\/ko\/java\/change-password\/","pubDate":"Sat, 05 Jun 2021 00:00:00 +0000","guid":"https:\/\/docs.aspose.com\/pdf\/ko\/java\/change-password\/","description":"\n        \n        \n        
PDF \ud30c\uc77c\uc758 \ube44\ubc00\ubc88\ud638 \ubcc0\uacbd<\/h2>\n
PDF \ud30c\uc77c\uc758 \ube44\ubc00\ubc88\ud638\ub97c \ubcc0\uacbd\ud558\ub824\uba74 PdfFileSecurity<\/a> \uac1d\uccb4\ub97c \uc0dd\uc131\ud55c \ub2e4\uc74c, ChangePassword<\/a> \uba54\uc18c\ub4dc\ub97c \ud638\ucd9c\ud574\uc57c \ud569\ub2c8\ub2e4. \uae30\uc874 \uc18c\uc720\uc790 \ube44\ubc00\ubc88\ud638\uc640 \uc0c8\ub85c\uc6b4 \uc0ac\uc6a9\uc790 \ubc0f \uc18c\uc720\uc790 \ube44\ubc00\ubc88\ud638\ub97c ChangePassword<\/a> \uba54\uc18c\ub4dc\uc5d0 \uc804\ub2ec\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n
\ub2e4\uc74c \ucf54\ub4dc \uc2a4\ub2c8\ud3ab\uc740 PDF \ud30c\uc77c\uc758 \ube44\ubc00\ubc88\ud638\ub97c \ubcc0\uacbd\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n
    <\/span>public<\/span> <\/span>static<\/span> <\/span>void<\/span> <\/span>ChangePassword<\/span>()<\/span> <\/span>{<\/span>\n<\/span><\/span><\/span>        <\/span>PdfFileInfo<\/span> <\/span>pdfFileInfo<\/span> <\/span>=<\/span> <\/span>new<\/span> <\/span>PdfFileInfo<\/span>(<\/span>_dataDir<\/span> <\/span>+<\/span> <\/span>"sample_encrypted.pdf"<\/span>);<\/span>\n<\/span><\/span><\/span>        <\/span>\/\/ PdfFileSecurity \uac1d\uccb4 \uc0dd\uc131<\/span>\n<\/span><\/span><\/span>        <\/span>if<\/span> <\/span>(<\/span>pdfFileInfo<\/span>.<\/span>isEncrypted<\/span>())<\/span> <\/span>{<\/span>\n<\/span><\/span><\/span>            <\/span>PdfFileSecurity<\/span> <\/span>fileSecurity<\/span> <\/span>=<\/span> <\/span>new<\/span> <\/span>PdfFileSecurity<\/span>();<\/span>\n<\/span><\/span><\/span>            <\/span>fileSecurity<\/span>.<\/span>bindPdf<\/span>(<\/span>_dataDir<\/span> <\/span>+<\/span> <\/span>"sample_encrypted.pdf"<\/span>);<\/span>\n<\/span><\/span><\/span>            <\/span>fileSecurity<\/span>.<\/span>changePassword<\/span>(<\/span>"OwnerP@ssw0rd"<\/span>,<\/span> <\/span>"Pa$$w0rd1"<\/span>,<\/span> <\/span>"Pa$$w0rd2"<\/span>,<\/span> <\/span>DocumentPrivilege<\/span>.<\/span>getPrint<\/span>(),<\/span>\n<\/span><\/span><\/span>                    <\/span>KeySize<\/span>.<\/span>x256<\/span>);<\/span>\n<\/span><\/span><\/span>            <\/span>fileSecurity<\/span>.<\/span>save<\/span>(<\/span>_dataDir<\/span> <\/span>+<\/span> <\/span>"sample_encrtypted1.pdf"<\/span>);<\/span>\n<\/span><\/span><\/span>        <\/span>}<\/span>\n<\/span><\/span><\/span>    <\/span>}<\/span>\n<\/span><\/span><\/span><\/code><\/pre><\/div>\n      "},{"title":"Java: \uae30\uc874 PDF \ud30c\uc77c\uc5d0 \uad8c\ud55c \uc124\uc815","link":"https:\/\/docs.aspose.com\/pdf\/ko\/java\/set-privileges\/","pubDate":"Sat, 05 Jun 2021 00:00:00 +0000","guid":"https:\/\/docs.aspose.com\/pdf\/ko\/java\/set-privileges\/","description":"\n        \n        \n        
\uae30\uc874 PDF \ud30c\uc77c\uc5d0 \uad8c\ud55c \uc124\uc815 (facades)<\/h2>\n
PDF \ud30c\uc77c\uc758 \uad8c\ud55c\uc744 \uc124\uc815\ud558\ub824\uba74 PdfFileSecurity<\/a> \ud074\ub798\uc2a4 \uac1c\uccb4\ub97c \uc0dd\uc131\ud558\uace0 binPdf \uba54\uc11c\ub4dc\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc785\ub825 PDF\ub97c \ubc14\uc778\ub529\ud569\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c setPrivilege \uba54\uc11c\ub4dc\ub97c \ud638\ucd9c\ud558\uc5ec \uad8c\ud55c\uc744 \uc124\uc815\ud574\uc57c \ud569\ub2c8\ub2e4. DocumentPrivilege<\/a> \uac1d\uccb4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uad8c\ud55c\uc744 \uc9c0\uc815\ud55c \ud6c4 \uc774 \uac1d\uccb4\ub97c setPrivilege \uba54\uc11c\ub4dc\uc5d0 \uc804\ub2ec\ud558\uace0 save \uba54\uc11c\ub4dc\ub97c \uc0ac\uc6a9\ud558\uc5ec \ucd9c\ub825 PDF\ub97c \uc800\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\ub2e4\uc74c \ucf54\ub4dc \uc2a4\ub2c8\ud3ab\uc740 PDF \ud30c\uc77c\uc758 \uad8c\ud55c\uc744 \uc124\uc815\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n
public<\/span> <\/span>static<\/span> <\/span>void<\/span> <\/span>SetPrivilege1<\/span>()<\/span> <\/span>{<\/span>\n<\/span><\/span><\/span>        <\/span>\/\/ DocumentPrivileges \uac1d\uccb4 \uc0dd\uc131<\/span>\n<\/span><\/span><\/span>        <\/span>DocumentPrivilege<\/span> <\/span>privilege<\/span> <\/span>=<\/span> <\/span>DocumentPrivilege<\/span>.<\/span>getForbidAll<\/span>();<\/span>\n<\/span><\/span><\/span>        <\/span>privilege<\/span>.<\/span>setChangeAllowLevel<\/span>(<\/span>1<\/span>);<\/span>\n<\/span><\/span><\/span>        <\/span>privilege<\/span>.<\/span>setAllowPrint<\/span>(<\/span>true<\/span>);<\/span>\n<\/span><\/span><\/span>        <\/span>privilege<\/span>.<\/span>setAllowCopy<\/span>(<\/span>true<\/span>);<\/span>\n<\/span><\/span><\/span>\n<\/span><\/span><\/span>        <\/span>\/\/ PdfFileSecurity \uac1d\uccb4 \uc0dd\uc131<\/span>\n<\/span><\/span><\/span>        <\/span>PdfFileSecurity<\/span> <\/span>fileSecurity<\/span> <\/span>=<\/span> <\/span>new<\/span> <\/span>PdfFileSecurity<\/span>();<\/span>\n<\/span><\/span><\/span>        <\/span>fileSecurity<\/span>.<\/span>bindPdf<\/span>(<\/span>_dataDir<\/span> <\/span>+<\/span> <\/span>"sample.pdf"<\/span>);<\/span>\n<\/span><\/span><\/span>        <\/span>fileSecurity<\/span>.<\/span>setPrivilege<\/span>(<\/span>privilege<\/span>);<\/span>\n<\/span><\/span><\/span>        <\/span>fileSecurity<\/span>.<\/span>save<\/span>(<\/span>_dataDir<\/span> <\/span>+<\/span> <\/span>"sample_privileges.pdf"<\/span>);<\/span>\n<\/span><\/span><\/span>    <\/span>}<\/span>\n<\/span><\/span><\/span><\/code><\/pre><\/div>
\ub2e4\uc74c \ube44\ubc00\ubc88\ud638\ub97c \uc9c0\uc815\ud558\ub294 \ubc29\ubc95\uc744 \ucc38\uc870\ud558\uc138\uc694:<\/p>\n
 <\/span>public<\/span> <\/span>static<\/span> <\/span>void<\/span> <\/span>SetPrivilege2<\/span>()<\/span> <\/span>{<\/span>\n<\/span><\/span><\/span>        <\/span>\/\/ DocumentPrivileges \uac1d\uccb4 \uc0dd\uc131<\/span>\n<\/span><\/span><\/span>        <\/span>DocumentPrivilege<\/span> <\/span>privilege<\/span> <\/span>=<\/span> <\/span>DocumentPrivilege<\/span>.<\/span>getForbidAll<\/span>();<\/span>\n<\/span><\/span><\/span>        <\/span>privilege<\/span>.<\/span>setChangeAllowLevel<\/span>(<\/span>1<\/span>);<\/span>\n<\/span><\/span><\/span>        <\/span>privilege<\/span>.<\/span>setAllowPrint<\/span>(<\/span>true<\/span>);<\/span>\n<\/span><\/span><\/span>        <\/span>privilege<\/span>.<\/span>setAllowCopy<\/span>(<\/span>true<\/span>);<\/span>\n<\/span><\/span><\/span>\n<\/span><\/span><\/span>        <\/span>\/\/ PdfFileSecurity \uac1d\uccb4 \uc0dd\uc131<\/span>\n<\/span><\/span><\/span>        <\/span>PdfFileSecurity<\/span> <\/span>fileSecurity<\/span> <\/span>=<\/span> <\/span>new<\/span> <\/span>PdfFileSecurity<\/span>();<\/span>\n<\/span><\/span><\/span>        <\/span>fileSecurity<\/span>.<\/span>bindPdf<\/span>(<\/span>_dataDir<\/span> <\/span>+<\/span> <\/span>"sample.pdf"<\/span>);<\/span>\n<\/span><\/span><\/span>        <\/span>fileSecurity<\/span>.<\/span>setPrivilege<\/span>(<\/span>""<\/span>,<\/span> <\/span>"P@ssw0rd"<\/span>,<\/span> <\/span>privilege<\/span>);<\/span>\n<\/span><\/span><\/span>        <\/span>fileSecurity<\/span>.<\/span>save<\/span>(<\/span>_dataDir<\/span> <\/span>+<\/span> <\/span>"sample_privileges.pdf"<\/span>);<\/span>\n<\/span><\/span><\/span>    <\/span>}<\/span>\n<\/span><\/span><\/span><\/code><\/pre><\/div>\n      "}]}}
PdfFileSecurity<\/a> \ud074\ub798\uc2a4\ub294 \uc608\uc678\ub97c \uc81c\uc5b4\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574\uc11c\ub294 setAllowExceptions<\/a>\uc744 false \ub610\ub294 true\ub85c \uc124\uc815\ud574\uc57c \ud569\ub2c8\ub2e4. \uc791\uc5c5\uc744 false\ub85c \uc124\uc815\ud558\uba74, decryptFile<\/a>\uc758 \uacb0\uacfc\ub294 \ube44\ubc00\ubc88\ud638\uc758 \uc815\ud655\uc131\uc5d0 \ub530\ub77c true \ub610\ub294 false\ub97c \ubc18\ud658\ud569\ub2c8\ub2e4.<\/p>\n