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The Apache Commons Codec package contains simple encoder and decoders for
various formats such as Base64 and Hexadecimal. In addition to these
widely used encoders and decoders, the codec package also maintains a
collection of phonetic encoding utilities.
/* ====================================================================
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==================================================================== */
package org.apache.poi.poifs.crypt.agile;
import org.apache.poi.EncryptedDocumentException;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
/**
* A sequence of KeyEncryptor elements. Exactly one KeyEncryptors element MUST be present, and the KeyEncryptors element
* MUST contain at least one KeyEncryptor.
*/
public class KeyEncryptor {
static final String PASS_NS = "http://schemas.microsoft.com/office/2006/keyEncryptor/password";
static final String CERT_NS = "http://schemas.microsoft.com/office/2006/keyEncryptor/certificate";
private PasswordKeyEncryptor passwordKeyEncryptor;
private CertificateKeyEncryptor certificateKeyEncryptor;
public KeyEncryptor() {
}
public KeyEncryptor(Element keyEncryptor) {
if (keyEncryptor == null) {
throw new EncryptedDocumentException("Unable to parse encryption descriptor");
}
NodeList nl = keyEncryptor.getElementsByTagNameNS("*", "encryptedKey");
// usually only one encryptor is set, so iterate and overwrite the encryptor members
for (int i=0; i