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PdfSharp/Pdf.Security/enums/PdfDocumentSecurity.cs

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+#region PDFsharp - A .NET library for processing PDF
+//
+// Authors:
+//   Stefan Lange
+//
+// Copyright (c) 2005-2017 empira Software GmbH, Cologne Area (Germany)
+//
+// http://www.pdfsharp.com
+// http://sourceforge.net/projects/pdfsharp
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
+// DEALINGS IN THE SOFTWARE.
+#endregion
+
+namespace PdfSharp.Pdf.Security
+{
+    /// <summary>
+    /// Specifies the security level of the PDF document.
+    /// </summary>
+    public enum PdfDocumentSecurityLevel
+    {
+        /// <summary>
+        /// Document is not protected.
+        /// </summary>
+        None,
+
+        /// <summary>
+        /// Document is protected with 40-bit security. This option is for compatibility with 
+        /// Acrobat 3 and 4 only. Use Encrypted128Bit whenever possible.
+        /// </summary>
+        Encrypted40Bit,
+
+        /// <summary>
+        /// Document is protected with 128-bit security.
+        /// </summary>
+        Encrypted128Bit,
+    }
+}

PdfSharp/Pdf.Security/enums/PdfUserAccessPermission.cs

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+#region PDFsharp - A .NET library for processing PDF
+//
+// Authors:
+//   Stefan Lange
+//
+// Copyright (c) 2005-2017 empira Software GmbH, Cologne Area (Germany)
+//
+// http://www.pdfsharp.com
+// http://sourceforge.net/projects/pdfsharp
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
+// DEALINGS IN THE SOFTWARE.
+#endregion
+
+using System;
+
+namespace PdfSharp.Pdf.Security
+{
+    /// <summary>
+    /// Specifies which operations are permitted when the document is opened with user access.
+    /// </summary>
+    [Flags]
+    internal enum PdfUserAccessPermission
+    {
+        /// <summary>
+        /// Permits everything. This is the default value.
+        /// </summary>
+        PermitAll = -3, // = 0xFFFFFFFC,
+
+        // Bit 1<>2 Reserved; must be 0.
+
+        // Bit 3 (Revision 2) Print the document.
+        // (Revision 3 or greater) Print the document (possibly not at the highest
+        // quality level, depending on whether bit 12 is also set).
+        PermitPrint = 0x00000004,  //1 << (3 - 1),
+
+        // Bit 4 Modify the contents of the document by operations other than
+        // those controlled by bits 6, 9, and 11.
+        PermitModifyDocument = 0x00000008,  //1 << (4 - 1),
+
+        // Bit 5 (Revision 2) Copy or otherwise extract text and graphics from the
+        // document, including extracting text and graphics (in support of accessibility
+        // to users with disabilities or for other purposes).
+        // (Revision 3 or greater) Copy or otherwise extract text and graphics
+        // from the document by operations other than that controlled by bit 10.
+        PermitExtractContent = 0x00000010,  //1 << (5 - 1),
+
+        // Bit 6 Add or modify text annotations, fill in interactive form fields, and,
+        // if bit 4 is also set, create or modify interactive form fields (including
+        // signature fields).
+        PermitAnnotations = 0x00000020,  //1 << (6 - 1),
+
+        // Bit 7<>8 Reserved; must be 1.
+
+        // 9 (Revision 3 or greater) Fill in existing interactive form fields (including
+        // signature fields), even if bit 6 is clear.
+        PermitFormsFill = 0x00000100,  //1 << (9 - 1),
+
+        // Bit 10 (Revision 3 or greater) Extract text and graphics (in support of accessibility
+        // to users with disabilities or for other purposes).
+        PermitAccessibilityExtractContent = 0x00000200,  //1 << (10 - 1),
+
+        // Bit 11 (Revision 3 or greater) Assemble the document (insert, rotate, or delete
+        // pages and create bookmarks or thumbnail images), even if bit 4
+        // is clear.
+        PermitAssembleDocument = 0x00000400,  //1 << (11 - 1),
+
+        // Bit 12 (Revision 3 or greater) Print the document to a representation from
+        // which a faithful digital copy of the PDF content could be generated.
+        // When this bit is clear (and bit 3 is set), printing is limited to a lowlevel
+        // representation of the appearance, possibly of degraded quality.
+        // (See implementation note 24 in Appendix H.)
+        PermitFullQualityPrint = 0x00000800,  //1 << (12 - 1),
+
+        //Bit 13<31>32 (Revision 3 or greater) Reserved; must be 1.
+    }
+}