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/*
This file is part of the iText (R) project.
Copyright (c) 1998-2024 Apryse Group NV
Authors: Apryse Software.
This program is offered under a commercial and under the AGPL license.
For commercial licensing, contact us at https://itextpdf.com/sales. For AGPL licensing, see below.
AGPL licensing:
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see .
*/
package com.itextpdf.kernel.crypto.securityhandler;
import com.itextpdf.kernel.pdf.PdfArray;
import com.itextpdf.kernel.pdf.PdfBoolean;
import com.itextpdf.kernel.pdf.PdfDictionary;
import com.itextpdf.kernel.pdf.PdfName;
import com.itextpdf.kernel.pdf.PdfNumber;
import com.itextpdf.kernel.security.IExternalDecryptionProcess;
import java.security.Key;
import java.security.cert.Certificate;
public class PubSecHandlerUsingStandard128 extends PubSecHandlerUsingStandard40 {
public PubSecHandlerUsingStandard128(PdfDictionary encryptionDictionary, Certificate[] certs, int[] permissions,
boolean encryptMetadata, boolean embeddedFilesOnly) {
super(encryptionDictionary, certs, permissions, encryptMetadata, embeddedFilesOnly);
}
public PubSecHandlerUsingStandard128(PdfDictionary encryptionDictionary, Key certificateKey, Certificate certificate,
String certificateKeyProvider, IExternalDecryptionProcess externalDecryptionProcess,
boolean encryptMetadata) {
super(encryptionDictionary, certificateKey, certificate, certificateKeyProvider, externalDecryptionProcess, encryptMetadata);
}
@Override
protected void setPubSecSpecificHandlerDicEntries(PdfDictionary encryptionDictionary, boolean encryptMetadata, boolean embeddedFilesOnly) {
encryptionDictionary.put(PdfName.Filter, PdfName.Adobe_PubSec);
PdfArray recipients = createRecipientsArray();
if (encryptMetadata) {
encryptionDictionary.put(PdfName.R, new PdfNumber(3));
encryptionDictionary.put(PdfName.V, new PdfNumber(2));
encryptionDictionary.put(PdfName.SubFilter, PdfName.Adbe_pkcs7_s4);
encryptionDictionary.put(PdfName.Recipients, recipients);
} else {
encryptionDictionary.put(PdfName.R, new PdfNumber(4));
encryptionDictionary.put(PdfName.V, new PdfNumber(4));
encryptionDictionary.put(PdfName.SubFilter, PdfName.Adbe_pkcs7_s5);
PdfDictionary stdcf = new PdfDictionary();
stdcf.put(PdfName.Recipients, recipients);
stdcf.put(PdfName.EncryptMetadata, PdfBoolean.FALSE);
stdcf.put(PdfName.CFM, PdfName.V2);
PdfDictionary cf = new PdfDictionary();
cf.put(PdfName.DefaultCryptFilter, stdcf);
encryptionDictionary.put(PdfName.CF, cf);
if (embeddedFilesOnly) {
encryptionDictionary.put(PdfName.EFF, PdfName.DefaultCryptFilter);
encryptionDictionary.put(PdfName.StrF, PdfName.Identity);
encryptionDictionary.put(PdfName.StmF, PdfName.Identity);
} else {
encryptionDictionary.put(PdfName.StrF, PdfName.DefaultCryptFilter);
encryptionDictionary.put(PdfName.StmF, PdfName.DefaultCryptFilter);
}
}
}
}
