96 lines
5.1 KiB
C#
96 lines
5.1 KiB
C#
using System;
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using Org.BouncyCastle.X509;
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/*
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* $Id: IPdfEncryptionSettings.cs,v 1.2 2007/04/29 13:57:00 psoares33 Exp $
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*
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* Copyright 2006 Bruno Lowagie
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* (the "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the License.
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*
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* The Original Code is 'iText, a free JAVA-PDF library'.
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*
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* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
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* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
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* All Rights Reserved.
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* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
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* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
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*
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* Contributor(s): all the names of the contributors are added in the source code
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* where applicable.
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*
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* Alternatively, the contents of this file may be used under the terms of the
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* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
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* provisions of LGPL are applicable instead of those above. If you wish to
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* allow use of your version of this file only under the terms of the LGPL
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* License and not to allow others to use your version of this file under
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* the MPL, indicate your decision by deleting the provisions above and
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* replace them with the notice and other provisions required by the LGPL.
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* If you do not delete the provisions above, a recipient may use your version
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* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
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*
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the MPL as stated above or under the terms of the GNU
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* Library General Public License as published by the Free Software Foundation;
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* either version 2 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
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* details.
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*
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* If you didn't download this code from the following link, you should check if
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* you aren't using an obsolete version:
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* http://www.lowagie.com/iText/
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*/
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namespace iTextSharp.text.pdf.interfaces {
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/**
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* Encryption settings are described in section 3.5 (more specifically
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* section 3.5.2) of the PDF Reference 1.7.
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* They are explained in section 3.3.3 of the book 'iText in Action'.
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* The values of the different preferences were originally stored
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* in class PdfWriter, but they have been moved to this separate interface
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* for reasons of convenience.
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*/
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public interface IPdfEncryptionSettings {
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/**
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* Sets the encryption options for this document. The userPassword and the
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* ownerPassword can be null or have zero length. In this case the ownerPassword
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* is replaced by a random string. The open permissions for the document can be
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* AllowPrinting, AllowModifyContents, AllowCopy, AllowModifyAnnotations,
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* AllowFillIn, AllowScreenReaders, AllowAssembly and AllowDegradedPrinting.
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* The permissions can be combined by ORing them.
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* @param userPassword the user password. Can be null or empty
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* @param ownerPassword the owner password. Can be null or empty
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* @param permissions the user permissions
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* @param encryptionType the type of encryption. It can be one of STANDARD_ENCRYPTION_40, STANDARD_ENCRYPTION_128 or ENCRYPTION_AES128.
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* Optionally DO_NOT_ENCRYPT_METADATA can be ored to output the metadata in cleartext
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* @throws DocumentException if the document is already open
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*/
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void SetEncryption(byte[] userPassword, byte[] ownerPassword, int permissions, int encryptionType);
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/**
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* Sets the certificate encryption options for this document. An array of one or more public certificates
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* must be provided together with an array of the same size for the permissions for each certificate.
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* The open permissions for the document can be
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* AllowPrinting, AllowModifyContents, AllowCopy, AllowModifyAnnotations,
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* AllowFillIn, AllowScreenReaders, AllowAssembly and AllowDegradedPrinting.
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* The permissions can be combined by ORing them.
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* Optionally DO_NOT_ENCRYPT_METADATA can be ored to output the metadata in cleartext
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* @param certs the public certificates to be used for the encryption
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* @param permissions the user permissions for each of the certicates
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* @param encryptionType the type of encryption. It can be one of STANDARD_ENCRYPTION_40, STANDARD_ENCRYPTION_128 or ENCRYPTION_AES128.
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* @throws DocumentException if the document is already open
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*/
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void SetEncryption(X509Certificate[] certs, int[] permissions, int encryptionType);
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}
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} |