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package org.spongycastle.asn1.test;
import java.io.IOException;
import java.util.Random;
import org.spongycastle.asn1.ASN1EncodableVector;
import org.spongycastle.asn1.ASN1InputStream;
import org.spongycastle.asn1.ASN1Sequence;
import org.spongycastle.asn1.DEROctetString;
import org.spongycastle.asn1.DERSequence;
import org.spongycastle.asn1.icao.DataGroupHash;
import org.spongycastle.asn1.icao.LDSSecurityObject;
import org.spongycastle.asn1.icao.LDSVersionInfo;
import org.spongycastle.asn1.x509.AlgorithmIdentifier;
import org.spongycastle.util.test.SimpleTest;
public class LDSSecurityObjectUnitTest
extends SimpleTest
{
public String getName()
{
return "LDSSecurityObject";
}
private byte[] generateHash()
{
Random rand = new Random();
byte[] bytes = new byte[20];
for (int i = 0; i != bytes.length; i++)
{
bytes[i] = (byte)rand.nextInt();
}
return bytes;
}
public void performTest()
throws Exception
{
AlgorithmIdentifier algoId = new AlgorithmIdentifier("1.3.14.3.2.26");
DataGroupHash[] datas = new DataGroupHash[2];
datas[0] = new DataGroupHash(1, new DEROctetString(generateHash()));
datas[1] = new DataGroupHash(2, new DEROctetString(generateHash()));
LDSSecurityObject so = new LDSSecurityObject(algoId, datas);
checkConstruction(so, algoId, datas);
LDSVersionInfo versionInfo = new LDSVersionInfo("Hello", "world");
so = new LDSSecurityObject(algoId, datas, versionInfo);
checkConstruction(so, algoId, datas, versionInfo);
try
{
LDSSecurityObject.getInstance(null);
}
catch (Exception e)
{
fail("getInstance() failed to handle null.");
}
try
{
LDSSecurityObject.getInstance(new Object());
fail("getInstance() failed to detect bad object.");
}
catch (IllegalArgumentException e)
{
// expected
}
try
{
ASN1EncodableVector v = new ASN1EncodableVector();
LDSSecurityObject.getInstance(new DERSequence(v));
fail("constructor failed to detect empty sequence.");
}
catch (IllegalArgumentException e)
{
// expected
}
try
{
new LDSSecurityObject(algoId, new DataGroupHash[1]);
fail("constructor failed to detect small DataGroupHash array.");
}
catch (IllegalArgumentException e)
{
// expected
}
try
{
new LDSSecurityObject(algoId, new DataGroupHash[LDSSecurityObject.ub_DataGroups + 1]);
fail("constructor failed to out of bounds DataGroupHash array.");
}
catch (IllegalArgumentException e)
{
// expected
}
}
private void checkConstruction(
LDSSecurityObject so,
AlgorithmIdentifier digestAlgorithmIdentifier,
DataGroupHash[] datagroupHash)
throws IOException
{
checkStatement(so, digestAlgorithmIdentifier, datagroupHash, null);
so = LDSSecurityObject.getInstance(so);
checkStatement(so, digestAlgorithmIdentifier, datagroupHash, null);
ASN1InputStream aIn = new ASN1InputStream(so.toASN1Object().getEncoded());
ASN1Sequence seq = (ASN1Sequence)aIn.readObject();
so = LDSSecurityObject.getInstance(seq);
checkStatement(so, digestAlgorithmIdentifier, datagroupHash, null);
}
private void checkConstruction(
LDSSecurityObject so,
AlgorithmIdentifier digestAlgorithmIdentifier,
DataGroupHash[] datagroupHash,
LDSVersionInfo versionInfo)
throws IOException
{
if (so.getVersion() != 1)
{
fail("version number not 1");
}
checkStatement(so, digestAlgorithmIdentifier, datagroupHash, versionInfo);
so = LDSSecurityObject.getInstance(so);
checkStatement(so, digestAlgorithmIdentifier, datagroupHash, versionInfo);
ASN1InputStream aIn = new ASN1InputStream(so.toASN1Object().getEncoded());
ASN1Sequence seq = (ASN1Sequence)aIn.readObject();
so = LDSSecurityObject.getInstance(seq);
checkStatement(so, digestAlgorithmIdentifier, datagroupHash, versionInfo);
}
private void checkStatement(
LDSSecurityObject so,
AlgorithmIdentifier digestAlgorithmIdentifier,
DataGroupHash[] datagroupHash,
LDSVersionInfo versionInfo)
{
if (digestAlgorithmIdentifier != null)
{
if (!so.getDigestAlgorithmIdentifier().equals(digestAlgorithmIdentifier))
{
fail("ids don't match.");
}
}
else if (so.getDigestAlgorithmIdentifier() != null)
{
fail("digest algorithm Id found when none expected.");
}
if (datagroupHash != null)
{
DataGroupHash[] datas = so.getDatagroupHash();
for (int i = 0; i != datas.length; i++)
{
if (!datagroupHash[i].equals(datas[i]))
{
fail("name registration authorities don't match.");
}
}
}
else if (so.getDatagroupHash() != null)
{
fail("data hash groups found when none expected.");
}
if (versionInfo != null)
{
if (!versionInfo.equals(so.getVersionInfo()))
{
fail("versionInfo doesn't match");
}
}
else if (so.getVersionInfo() != null)
{
fail("version info found when none expected.");
}
}
public static void main(
String[] args)
{
runTest(new LDSSecurityObjectUnitTest());
}
}
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