/* ========================================================================
*
* This file is part of CODEC, which is a Java package for encoding
* and decoding ASN.1 data structures.
*
* Author: Fraunhofer Institute for Computer Graphics Research IGD
* Department A8: Security Technology
* Fraunhoferstr. 5, 64283 Darmstadt, Germany
*
* Rights: Copyright (c) 2004 by Fraunhofer-Gesellschaft
* zur Foerderung der angewandten Forschung e.V.
* Hansastr. 27c, 80686 Munich, Germany.
*
* ------------------------------------------------------------------------
*
* The software package is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of the
* License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software package; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA or obtain a copy of the license at
* http://www.fsf.org/licensing/licenses/lgpl.txt.
*
* ------------------------------------------------------------------------
*
* The CODEC library can solely be used and distributed according to
* the terms and conditions of the GNU Lesser General Public License .
*
* The CODEC library has not been tested for the use or application
* for a determined purpose. It is a developing version that can
* possibly contain errors. Therefore, Fraunhofer-Gesellschaft zur
* Foerderung der angewandten Forschung e.V. does not warrant that the
* operation of the CODEC library will be uninterrupted or error-free.
* Neither does Fraunhofer-Gesellschaft zur Foerderung der angewandten
* Forschung e.V. warrant that the CODEC library will operate and
* interact in an uninterrupted or error-free way together with the
* computer program libraries of third parties which the CODEC library
* accesses and which are distributed together with the CODEC library.
*
* Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
* does not warrant that the operation of the third parties's computer
* program libraries themselves which the CODEC library accesses will
* be uninterrupted or error-free.
*
* Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
* shall not be liable for any errors or direct, indirect, special,
* incidental or consequential damages, including lost profits resulting
* from the combination of the CODEC library with software of any user
* or of any third party or resulting from the implementation of the
* CODEC library in any products, systems or services of any user or
* of any third party.
*
* Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
* does not provide any warranty nor any liability that utilization of
* the CODEC library will not interfere with third party intellectual
* property rights or with any other protected third party rights or will
* cause damage to third parties. Fraunhofer Gesellschaft zur Foerderung
* der angewandten Forschung e.V. is currently not aware of any such
* rights.
*
* The CODEC library is supplied without any accompanying services.
*
* ========================================================================
*/
package codec.pkcs12;
import codec.asn1.ASN1Integer;
import codec.asn1.ASN1OctetString;
import codec.asn1.ASN1Sequence;
import codec.pkcs1.DigestInfo;
/**
* This class represents a <code>MacData</code> as defined in <a
* href="http://www.rsasecurity.com/rsalabs/pkcs/pkcs-12/index.html"> PKCS#12</a>.
* The ASN.1 definition of this structure is
* <p>
*
* <pre>
* MacData::= SEQUENCE {
* mac DigestInfo,
* macSalt OCTET STRING,
* iterations INTEGER DEFAULT 1
* }
* </pre>
*
* <p>
* <code>PFX</code>
*
*
* @author Michele Boivin, Markus Tak
* @version "$Id: MacData.java,v 1.3 2003/01/28 04:46:06 jpeters Exp $"
*/
public class MacData extends ASN1Sequence implements java.io.Serializable {
/**
* The mac data
*/
protected DigestInfo mac_;
/**
* the salt used to produce the mac key
*/
protected ASN1OctetString macSalt_;
/**
* the number of iterations
*/
protected ASN1Integer iter_ = new ASN1Integer(1);
/**
* Default constructor. Builds up the ASN.1 structure
*/
public MacData() {
super(3);
mac_ = new DigestInfo();
add(mac_);
macSalt_ = new ASN1OctetString();
add(macSalt_);
iter_ = new ASN1Integer();
iter_.setOptional(true);
add(iter_);
}
/**
* Constructor upon input data
*/
public MacData(DigestInfo digest, byte[] salt, int it) {
super(3);
mac_ = digest;
add(mac_);
macSalt_ = new ASN1OctetString(salt);
add(macSalt_);
iter_ = new ASN1Integer(it);
if (it == 1) // default value?
iter_.setOptional(true);
add(iter_);
}
public int getIterationCount() {
if (iter_.isOptional() == true)
return 1;
return iter_.getBigInteger().intValue();
}
public DigestInfo getMacData() {
return mac_;
}
public byte[] getSalt() {
return macSalt_.getByteArray();
}
}