1 files changed, 103 insertions, 0 deletions
diff --git a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/builder/BPKBuilder.java b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/builder/BPKBuilder.java
new file mode 100644
index 000000000..b6ba5871d
--- /dev/null
+++ b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/builder/BPKBuilder.java
@@ -0,0 +1,103 @@
+/*
+ * 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.BuildException;
+import at.gv.egovernment.moa.util.Base64Utils;
+import at.gv.egovernment.moa.util.Constants;
+
+/**
+ * Builder for the bPK, as defined in
+ * <code>&quot;Ableitung f&uml;r die bereichsspezifische Personenkennzeichnung&quot;</code>
+ * version <code>1.0.1</code> from <code>&quot;reference.e-government.gv.at&quot;</code>.
+ *  
+ * @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 = 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 = 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);
+    }
+  }
+
+}