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package org.spongycastle.tsp.test;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import junit.framework.TestCase;
import org.spongycastle.operator.DigestCalculator;
import org.spongycastle.operator.DigestCalculatorProvider;
import org.spongycastle.operator.bc.BcDigestCalculatorProvider;
import org.spongycastle.tsp.TimeStampToken;
import org.spongycastle.tsp.cms.CMSTimeStampedDataParser;
import org.spongycastle.util.io.Streams;
public class CMSTimeStampedDataParserTest
extends TestCase
{
CMSTimeStampedDataParser cmsTimeStampedData = null;
String fileInput = "FileDaFirmare.txt.tsd.der";
private byte[] baseData;
protected void setUp()
throws Exception
{
ByteArrayOutputStream origStream = new ByteArrayOutputStream();
InputStream in = this.getClass().getResourceAsStream(fileInput);
int ch;
while ((ch = in.read()) >= 0)
{
origStream.write(ch);
}
origStream.close();
this.baseData = origStream.toByteArray();
cmsTimeStampedData = new CMSTimeStampedDataParser(baseData);
}
protected void tearDown()
throws Exception
{
cmsTimeStampedData = null;
}
public void testGetTimeStampTokens()
throws Exception
{
TimeStampToken[] tokens = cmsTimeStampedData.getTimeStampTokens();
assertEquals(3, tokens.length);
}
public void testValidateAllTokens()
throws Exception
{
DigestCalculatorProvider digestCalculatorProvider = new BcDigestCalculatorProvider();
ByteArrayOutputStream bOut = new ByteArrayOutputStream();
Streams.pipeAll(cmsTimeStampedData.getContent(), bOut);
DigestCalculator imprintCalculator = cmsTimeStampedData.getMessageImprintDigestCalculator(digestCalculatorProvider);
Streams.pipeAll(new ByteArrayInputStream(bOut.toByteArray()), imprintCalculator.getOutputStream());
byte[] digest = imprintCalculator.getDigest();
TimeStampToken[] tokens = cmsTimeStampedData.getTimeStampTokens();
for (int i = 0; i < tokens.length; i++)
{
cmsTimeStampedData.validate(digestCalculatorProvider, digest, tokens[i]);
}
}
public void testValidate()
throws Exception
{
DigestCalculatorProvider digestCalculatorProvider = new BcDigestCalculatorProvider();
ByteArrayOutputStream bOut = new ByteArrayOutputStream();
Streams.pipeAll(cmsTimeStampedData.getContent(), bOut);
DigestCalculator imprintCalculator = cmsTimeStampedData.getMessageImprintDigestCalculator(digestCalculatorProvider);
Streams.pipeAll(new ByteArrayInputStream(bOut.toByteArray()), imprintCalculator.getOutputStream());
cmsTimeStampedData.validate(digestCalculatorProvider, imprintCalculator.getDigest());
}
}
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