1 files changed, 105 insertions, 0 deletions
diff --git a/smccSTAL/src/test/java/at/gv/egiz/smcc/ASN1Test.java b/smccSTAL/src/test/java/at/gv/egiz/smcc/ASN1Test.java
new file mode 100644
index 00000000..f2d61e7f
--- /dev/null
+++ b/smccSTAL/src/test/java/at/gv/egiz/smcc/ASN1Test.java
@@ -0,0 +1,105 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed 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 at.gv.egiz.smcc;
+
+import iaik.me.asn1.ASN1;
+import iaik.me.utils.Base64;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.util.Vector;
+
+import org.junit.Ignore;
+
+@Ignore
+public class ASN1Test {
+
+  public static void main(String[] args) throws IOException {
+
+    ClassLoader classLoader = ASN1Test.class.getClassLoader();
+
+    InputStream stream = classLoader.getResourceAsStream("IdentityLink.bin");
+
+    if (stream != null) {
+
+      ASN1 identityLink = new ASN1(stream);
+      System.out.println("BaseId:" + getBaseId(identityLink));
+      identityLink = replaceBaseId(identityLink, "test");
+      System.out.println("BaseId:" + getBaseId(identityLink));
+
+      String bpk = "hansi";
+      MessageDigest sha = null;
+      try {
+        sha = MessageDigest.getInstance("SHA");
+      } catch (NoSuchAlgorithmException e) {
+        // TODO Auto-generated catch block
+        e.printStackTrace();
+      }
+      sha.update((identityLink + "+" + bpk).getBytes());
+      String bpkStr = new String(Base64.encode(sha.digest()));
+      System.out.println("bpk: "+bpkStr);
+      identityLink = replaceBaseId(identityLink, bpkStr);
+      System.out.println(getBaseId(identityLink));
+
+    } else {
+      System.out.println("Not found.");
+    }
+
+  }
+
+  private static String getBaseId(ASN1 identityLink) throws IOException {
+
+    if (identityLink.getType() == ASN1.TYPE_SEQUENCE) {
+      ASN1 personData = identityLink.getElementAt(4);
+      if (personData.getType() == ASN1.TAG_CONTEXT_SPECIFIC) {
+        ASN1 physicalPersonData = personData.gvASN1();
+        ASN1 baseId = physicalPersonData.getElementAt(0);
+        return baseId.gvString();
+      }
+      throw new IOException("Invalid structure.");
+
+    }
+    throw new IOException("Invalid structure.");
+
+  }
+
+  private static ASN1 replaceBaseId(ASN1 identityLink, String newBaseId)
+      throws IOException {
+
+    ASN1 newIdentityLink = new ASN1(ASN1.TYPE_SEQUENCE, new Vector<ASN1>());
+    for (int i = 0; i < identityLink.getSize(); i++) {
+      ASN1 asn1 = identityLink.getElementAt(i);
+      if (i == 4 && asn1.getType() == ASN1.TAG_CONTEXT_SPECIFIC) {
+        ASN1 physicalPersonData = asn1.gvASN1();
+        ASN1 newPhysicalPersonData = new ASN1(ASN1.TYPE_SEQUENCE,
+            new Vector<ASN1>());
+        newPhysicalPersonData.addElement(new ASN1(ASN1.TYPE_UTF8_STRING,
+            newBaseId));
+        for (int j = 1; j < physicalPersonData.getSize(); j++) {
+          newPhysicalPersonData.addElement(physicalPersonData.getElementAt(j));
+        }
+        asn1 = new ASN1(ASN1.TAG_CONTEXT_SPECIFIC, newPhysicalPersonData);
+      }
+      newIdentityLink.addElement(asn1);
+    }
+    return newIdentityLink;
+
+  }
+
+}