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package org.spongycastle.asn1.test;
import java.security.SecureRandom;
import org.spongycastle.asn1.ASN1InputStream;
import org.spongycastle.asn1.ASN1OctetString;
import org.spongycastle.asn1.ASN1Sequence;
import org.spongycastle.asn1.DERIA5String;
import org.spongycastle.asn1.DERNull;
import org.spongycastle.asn1.DEROctetString;
import org.spongycastle.asn1.oiw.OIWObjectIdentifiers;
import org.spongycastle.asn1.x509.AlgorithmIdentifier;
import org.spongycastle.asn1.x509.qualified.BiometricData;
import org.spongycastle.asn1.x509.qualified.TypeOfBiometricData;
import org.spongycastle.util.test.SimpleTest;
public class BiometricDataUnitTest
extends SimpleTest
{
public String getName()
{
return "BiometricData";
}
private byte[] generateHash()
{
SecureRandom rand = new SecureRandom();
byte[] bytes = new byte[20];
rand.nextBytes(bytes);
return bytes;
}
public void performTest()
throws Exception
{
TypeOfBiometricData dataType = new TypeOfBiometricData(TypeOfBiometricData.HANDWRITTEN_SIGNATURE);
AlgorithmIdentifier hashAlgorithm = new AlgorithmIdentifier(OIWObjectIdentifiers.idSHA1, DERNull.INSTANCE);
ASN1OctetString dataHash = new DEROctetString(generateHash());
BiometricData bd = new BiometricData(dataType, hashAlgorithm, dataHash);
checkConstruction(bd, dataType, hashAlgorithm, dataHash, null);
DERIA5String dataUri = new DERIA5String("http://test");
bd = new BiometricData(dataType, hashAlgorithm, dataHash, dataUri);
checkConstruction(bd, dataType, hashAlgorithm, dataHash, dataUri);
bd = BiometricData.getInstance(null);
if (bd != null)
{
fail("null getInstance() failed.");
}
try
{
BiometricData.getInstance(new Object());
fail("getInstance() failed to detect bad object.");
}
catch (IllegalArgumentException e)
{
// expected
}
}
private void checkConstruction(
BiometricData bd,
TypeOfBiometricData dataType,
AlgorithmIdentifier hashAlgorithm,
ASN1OctetString dataHash,
DERIA5String dataUri)
throws Exception
{
checkValues(bd, dataType, hashAlgorithm, dataHash, dataUri);
bd = BiometricData.getInstance(bd);
checkValues(bd, dataType, hashAlgorithm, dataHash, dataUri);
ASN1InputStream aIn = new ASN1InputStream(bd.toASN1Object().getEncoded());
ASN1Sequence seq = (ASN1Sequence)aIn.readObject();
bd = BiometricData.getInstance(seq);
checkValues(bd, dataType, hashAlgorithm, dataHash, dataUri);
}
private void checkValues(
BiometricData bd,
TypeOfBiometricData dataType,
AlgorithmIdentifier algID,
ASN1OctetString dataHash,
DERIA5String sourceDataURI)
{
if (!bd.getTypeOfBiometricData().equals(dataType))
{
fail("types don't match.");
}
if (!bd.getHashAlgorithm().equals(algID))
{
fail("hash algorithms don't match.");
}
if (!bd.getBiometricDataHash().equals(dataHash))
{
fail("hash algorithms don't match.");
}
if (sourceDataURI != null)
{
if (!bd.getSourceDataUri().equals(sourceDataURI))
{
fail("data uris don't match.");
}
}
else if (bd.getSourceDataUri() != null)
{
fail("data uri found when none expected.");
}
}
public static void main(
String[] args)
{
runTest(new BiometricDataUnitTest());
}
}
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