/*
* Copyright 2003 Federal Chancellery Austria
* MOA-ID has been developed in a cooperation between BRZ, the Federal
* Chancellery Austria - ICT staff unit, and Graz University of Technology.
*
* Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
* the European Commission - subsequent versions of the EUPL (the "Licence");
* You may not use this work except in compliance with the Licence.
* You may obtain a copy of the Licence at:
* http://www.osor.eu/eupl/
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the Licence is distributed on an "AS IS" basis,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the Licence for the specific language governing permissions and
* limitations under the Licence.
*
* This product combines work with different licenses. See the "NOTICE" text
* file for details on the various modules and licenses.
* The "NOTICE" text file is part of the distribution. Any derivative works
* that you distribute must include a readable copy of the "NOTICE" text file.
*/
package at.gv.egovernment.moa.id.auth.builder;
import java.security.MessageDigest;
import at.gv.egovernment.moa.id.auth.exception.BuildException;
import at.gv.egovernment.moa.util.Base64Utils;
import at.gv.egovernment.moa.util.Constants;
/**
* Builder for the bPK, as defined in
* "Ableitung f¨r die bereichsspezifische Personenkennzeichnung"
* version 1.0.1
from "reference.e-government.gv.at"
.
*
* @author Paul Schamberger
* @version $Id$
*/
public class BPKBuilder {
/**
* Builds the bPK from the given parameters.
* @param identificationValue Base64 encoded "Stammzahl"
* @param target "Bereich lt. Verordnung des BKA"
* @return bPK in a BASE64 encoding
* @throws BuildException if an error occurs on building the bPK
*/
public String buildBPK(String identificationValue, String target)
throws BuildException {
if ((identificationValue == null ||
identificationValue.length() == 0 ||
target == null ||
target.length() == 0))
{
throw new BuildException("builder.00",
new Object[] {"BPK", "Unvollständige Parameterangaben: identificationValue=" +
identificationValue + ",target=" + target});
}
String basisbegriff;
if (target.startsWith(Constants.URN_PREFIX_CDID + "+"))
basisbegriff = identificationValue + "+" + target;
else
basisbegriff = identificationValue + "+" + Constants.URN_PREFIX_CDID + "+" + target;
try {
MessageDigest md = MessageDigest.getInstance("SHA-1");
byte[] hash = md.digest(basisbegriff.getBytes("ISO-8859-1"));
String hashBase64 = Base64Utils.encode(hash);
return hashBase64;
} catch (Exception ex) {
throw new BuildException("builder.00", new Object[] {"bPK", ex.toString()}, ex);
}
}
/**
* Builds the wbPK from the given parameters.
* @param identificationValue Base64 encoded "Stammzahl"
* @param registerAndOrdNr type of register + "+" + number in register.
* @return wbPK in a BASE64 encoding
* @throws BuildException if an error occurs on building the wbPK
*/
public String buildWBPK(String identificationValue, String registerAndOrdNr)
throws BuildException {
if ((identificationValue == null ||
identificationValue.length() == 0 ||
registerAndOrdNr == null ||
registerAndOrdNr.length() == 0))
{
throw new BuildException("builder.00",
new Object[] {"wbPK", "Unvollständige Parameterangaben: identificationValue=" +
identificationValue + ",Register+Registernummer=" + registerAndOrdNr});
}
String basisbegriff;
if (registerAndOrdNr.startsWith(Constants.URN_PREFIX_WBPK + "+" ))
basisbegriff = identificationValue + "+" + registerAndOrdNr;
else
basisbegriff = identificationValue + "+" + Constants.URN_PREFIX_WBPK + "+" + registerAndOrdNr;
try {
MessageDigest md = MessageDigest.getInstance("SHA-1");
byte[] hash = md.digest(basisbegriff.getBytes("ISO-8859-1"));
String hashBase64 = Base64Utils.encode(hash);
return hashBase64;
} catch (Exception ex) {
throw new BuildException("builder.00", new Object[] {"wbPK", ex.toString()}, ex);
}
}
}