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package org.bouncycastle.asn1.test;
import java.io.IOException;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1InputStream;
import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DERIA5String;
import org.bouncycastle.asn1.DEROctetString;
import org.bouncycastle.asn1.DERPrintableString;
import org.bouncycastle.asn1.DERUTF8String;
import org.bouncycastle.asn1.DLApplicationSpecific;
import org.bouncycastle.asn1.DLExternal;
import org.bouncycastle.asn1.DLSequence;
import org.bouncycastle.asn1.DLSet;
import org.bouncycastle.asn1.DLTaggedObject;
import org.bouncycastle.util.test.SimpleTest;
/**
* Class checking the correct functionality of DLExternal
*/
public class DLExternalTest
extends SimpleTest
{
/**
* Checks that the values are correctly instantiated
*
* @throws Exception Will be thrown if there was an
* error while performing the test
*/
public void testInstantiationByVector()
throws Exception
{
ASN1EncodableVector vec = new ASN1EncodableVector();
String dvdType;
String ecType;
try
{
new DLExternal(vec);
fail("exception expected");
}
catch (IllegalArgumentException iae)
{
isEquals("check message", "too few objects in input vector", iae.getMessage());
}
vec.add(new DERUTF8String("something completely different"));
try
{
new DLExternal(vec);
fail("exception expected");
}
catch (IllegalArgumentException iae)
{
isEquals("check message", "too few objects in input vector", iae.getMessage());
}
vec.add(new DLTaggedObject(true, 1, new ASN1Integer(1234567890L)));
DLExternal dle = new DLExternal(vec);
isEquals("check direct reference", null, dle.getDirectReference());
isEquals("check indirect reference", null, dle.getIndirectReference());
isTrue("check data value descriptor", dle.getDataValueDescriptor() != null);
dvdType = dle.getDataValueDescriptor().getClass().getName();
isEquals("check type of value descriptor: " + dvdType, DERUTF8String.class.getName(), dvdType);
isEquals("check value", "something completely different", ((DERUTF8String)dle.getDataValueDescriptor()).getString());
isEquals("check encoding", 1, dle.getEncoding());
isTrue("check existence of external content", dle.getExternalContent() != null);
ecType = dle.getExternalContent().getClass().getName();
isEquals("check type of external content: " + ecType, ASN1Integer.class.getName(), ecType);
isEquals("check value of external content", "1234567890", ((ASN1Integer)dle.getExternalContent()).getValue().toString());
vec = new ASN1EncodableVector();
vec.add(new ASN1Integer(9L));
vec.add(new DERUTF8String("something completely different"));
vec.add(new DLTaggedObject(true, 1, new ASN1Integer(1234567890L)));
dle = new DLExternal(vec);
isEquals("check direct reference", null, dle.getDirectReference());
isTrue("check existence of indirect reference", dle.getIndirectReference() != null);
isEquals("check indirect reference", "9", dle.getIndirectReference().getValue().toString());
isTrue("check existence of data value descriptor", dle.getDataValueDescriptor() != null);
dvdType = dle.getDataValueDescriptor().getClass().getName();
isEquals("check type of value descriptor: " + dvdType, DERUTF8String.class.getName(), dvdType);
isEquals("check value", "something completely different", ((DERUTF8String)dle.getDataValueDescriptor()).getString());
isEquals("check encoding", 1, dle.getEncoding());
isTrue("check existence of external content", dle.getExternalContent() != null);
ecType = dle.getExternalContent().getClass().getName();
isEquals("check type of external content: " + ecType, ASN1Integer.class.getName(), ecType);
isEquals("check value of external content", "1234567890", ((ASN1Integer)dle.getExternalContent()).getValue().toString());
dle = new DLExternal(createRealDataExample());
checkRealDataExample(dle);
}
/**
* Checks that a DLExternal is created from DER encoded bytes correctly.
* This is done by creating the DER encoded data by using getEncoded
*
* @throws Exception Will be thrown if there was an
* error while performing the test
*/
public void testReadEncoded()
throws Exception
{
DLExternal dle = new DLExternal(createRealDataExample());
ASN1InputStream ais = new ASN1InputStream(dle.getEncoded());
ASN1Primitive ap = ais.readObject();
isTrue("check ais returned an object", ap != null);
isEquals("check returned type: " + ap.getClass(), DLExternal.class.getName(), ap.getClass().getName());
checkRealDataExample((DLExternal)ap);
ais.close();
}
private void checkRealDataExample(DLExternal dle)
throws IOException
{
//System.out.println(ASN1Dump.dumpAsString(dle, true));
isEquals("check direct reference", "2.1.1", String.valueOf(dle.getDirectReference()));
isEquals("check indirect reference", "9", String.valueOf(dle.getIndirectReference()));
isEquals("check data value decriptor", "example data representing the User Data of an OSI.6 ConnectP containing an MSBind with username and password", String.valueOf(dle.getDataValueDescriptor()));
isEquals("check encoding", 2, dle.getEncoding());
ASN1Primitive content = dle.getExternalContent();
isTrue("check existence of content", content != null);
isTrue("check type is a tagged object: " + content.getClass(), content instanceof ASN1TaggedObject);
ASN1TaggedObject msBind = (ASN1TaggedObject)content;
isEquals("check tag", 16, msBind.getTagNo());
isEquals("check explicit", true, msBind.isExplicit());
isEquals("check tagged object is a DLSet: " + msBind.getObject().getClass(), DLSet.class.getName(), msBind.getObject().getClass().getName());
DLSet msBindSet = (DLSet)msBind.getObject();
isEquals("check number of elements", 2, msBindSet.size());
isEquals("check first element in set: " + msBindSet.getObjectAt(0).getClass(), DLApplicationSpecific.class.getName(), msBindSet.getObjectAt(0).getClass().getName());
DLApplicationSpecific objectName = (DLApplicationSpecific)msBindSet.getObjectAt(0);
isEquals("check tag number", 0, objectName.getApplicationTag());
isEquals("check application object: " + objectName.getObject().getClass(), DLSequence.class.getName(), objectName.getObject().getClass().getName());
DLSequence objNameElems = (DLSequence)objectName.getObject();
isEquals("check number of elements", 4, objNameElems.size());
isEquals("check first element in set: " + objNameElems.getObjectAt(0).getClass(), DLApplicationSpecific.class.getName(), objNameElems.getObjectAt(0).getClass().getName());
DLApplicationSpecific objNameAppl = (DLApplicationSpecific)objNameElems.getObjectAt(0);
isEquals("check application number", 0, objNameAppl.getApplicationTag());
isEquals("check application object: " + objNameAppl.getObject().getClass(), DERPrintableString.class.getName(), objNameAppl.getObject().getClass().getName());
isEquals("check C", "de", ((DERPrintableString)objNameAppl.getObject()).getString());
isEquals("check second element in set: " + objNameElems.getObjectAt(1).getClass(), DLApplicationSpecific.class.getName(), objNameElems.getObjectAt(1).getClass().getName());
objNameAppl = (DLApplicationSpecific)objNameElems.getObjectAt(1);
isEquals("check application number", 2, objNameAppl.getApplicationTag());
isEquals("check application object: " + objNameAppl.getObject().getClass(), DERPrintableString.class.getName(), objNameAppl.getObject().getClass().getName());
isEquals("check A", "viaT", ((DERPrintableString)objNameAppl.getObject()).getString());
isEquals("check third element in set: " + objNameElems.getObjectAt(2).getClass(), DLTaggedObject.class.getName(), objNameElems.getObjectAt(2).getClass().getName());
DLTaggedObject objNameTagged = (DLTaggedObject)objNameElems.getObjectAt(2);
isEquals("check tag number", 3, objNameTagged.getTagNo());
isEquals("check implicit", false, objNameTagged.isExplicit());
isEquals("check tagged object: " + objNameTagged.getObject().getClass(), DEROctetString.class.getName(), objNameTagged.getObject().getClass().getName());
isEquals("check O", "Organization", new String(((DEROctetString)objNameTagged.getObject()).getOctets(), "8859_1"));
isEquals("check fourth element in set: " + objNameElems.getObjectAt(3).getClass(), DLTaggedObject.class.getName(), objNameElems.getObjectAt(3).getClass().getName());
objNameTagged = (DLTaggedObject)objNameElems.getObjectAt(3);
isEquals("check tag number", 5, objNameTagged.getTagNo());
isEquals("check implicit", true, objNameTagged.isExplicit());
isEquals("check tagged object: " + objNameTagged.getObject().getClass(), DLTaggedObject.class.getName(), objNameTagged.getObject().getClass().getName());
objNameTagged = (DLTaggedObject)objNameTagged.getObject();
isEquals("check tag number", 0, objNameTagged.getTagNo());
isEquals("check implicit", false, objNameTagged.isExplicit());
isEquals("check tagged object: " + objNameTagged.getObject().getClass(), DEROctetString.class.getName(), objNameTagged.getObject().getClass().getName());
isEquals("check CN", "Common Name", new String(((DEROctetString)objNameTagged.getObject()).getOctets(), "8859_1"));
isEquals("check second element in set: " + msBind.getObject().getClass(), DLTaggedObject.class.getName(), msBindSet.getObjectAt(1).getClass().getName());
DLTaggedObject password = (DLTaggedObject)msBindSet.getObjectAt(1);
isEquals("check tag number", 2, password.getTagNo());
isEquals("check explicit", true, password.isExplicit());
isEquals("check tagged object: " + password.getObject().getClass(), DERIA5String.class.getName(), password.getObject().getClass().getName());
isEquals("check password", "SomePassword", ((DERIA5String)password.getObject()).getString());
}
private ASN1EncodableVector createRealDataExample()
throws IOException
{
ASN1EncodableVector vec = new ASN1EncodableVector();
vec.add(new ASN1ObjectIdentifier("2.1.1"));
vec.add(new ASN1Integer(9));
vec.add(new DERUTF8String("example data representing the User Data of an OSI.6 ConnectP containing an MSBind with username and password"));
ASN1EncodableVector objectNameVec = new ASN1EncodableVector();
objectNameVec.add(new DLApplicationSpecific(0, new DERPrintableString("de")));
objectNameVec.add(new DLApplicationSpecific(2, new DERPrintableString("viaT")));
objectNameVec.add(new DLTaggedObject(false, 3, new DEROctetString("Organization".getBytes("8859_1"))));
objectNameVec.add(new DLTaggedObject(true, 5, new DLTaggedObject(false, 0, new DEROctetString("Common Name".getBytes("8859_1")))));
DLApplicationSpecific objectName = new DLApplicationSpecific(0, new DLSequence(objectNameVec));
DLTaggedObject password = new DLTaggedObject(true, 2, new DERIA5String("SomePassword"));
ASN1EncodableVector msBindVec = new ASN1EncodableVector();
msBindVec.add(objectName);
msBindVec.add(password);
DLSet msBindSet = new DLSet(msBindVec);
DLTaggedObject msBind = new DLTaggedObject(true, 16, msBindSet);
vec.add(new DLTaggedObject(true, 2, msBind)); // the encoding is actually 0 but that's also the default
return vec;
}
public String getName()
{
return "DLExternal";
}
public void performTest()
throws Exception
{
testInstantiationByVector();
testReadEncoded();
}
/**
* Main method to start testing manually outside production
*
* @param args Calling arguments (not used here)
*/
public static void main(String[] args)
{
runTest(new DLExternalTest());
}
}