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The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 to JDK 1.8 with debug enabled.
/*
* Created on 6/05/2006
*
* To change the template for this generated file go to
* Window>Preferences>Java>Code Generation>Code and Comments
*/
package org.bouncycastle.crypto.test;
import org.bouncycastle.crypto.ExtendedDigest;
import org.bouncycastle.crypto.digests.SHA1Digest;
import org.bouncycastle.crypto.digests.SHA512Digest;
import org.bouncycastle.crypto.digests.ShortenedDigest;
import org.bouncycastle.util.test.SimpleTest;
public class ShortenedDigestTest
extends SimpleTest
{
public void performTest()
{
ExtendedDigest d = new SHA1Digest();
ShortenedDigest sd = new ShortenedDigest(new SHA1Digest(), 10);
if (sd.getDigestSize() != 10)
{
fail("size check wrong for SHA-1");
}
if (sd.getByteLength() != d.getByteLength())
{
fail("byte length check wrong for SHA-1");
}
//
// check output fits
//
sd.doFinal(new byte[10], 0);
d = new SHA512Digest();
sd = new ShortenedDigest(new SHA512Digest(), 20);
if (sd.getDigestSize() != 20)
{
fail("size check wrong for SHA-512");
}
if (sd.getByteLength() != d.getByteLength())
{
fail("byte length check wrong for SHA-512");
}
//
// check output fits
//
sd.doFinal(new byte[20], 0);
try
{
new ShortenedDigest(null, 20);
fail("null parameter not caught");
}
catch (IllegalArgumentException e)
{
// expected
}
try
{
new ShortenedDigest(new SHA1Digest(), 50);
fail("short digest not caught");
}
catch (IllegalArgumentException e)
{
// expected
}
}
public String getName()
{
return "ShortenedDigest";
}
public static void main(
String[] args)
{
runTest(new ShortenedDigestTest());
}
}
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