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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.
package org.bouncycastle.crypto.test;
import org.bouncycastle.crypto.Mac;
import org.bouncycastle.crypto.engines.GOST28147Engine;
import org.bouncycastle.crypto.macs.GOST28147Mac;
import org.bouncycastle.crypto.params.KeyParameter;
import org.bouncycastle.crypto.params.ParametersWithSBox;
import org.bouncycastle.util.Arrays;
import org.bouncycastle.util.encoders.Hex;
import org.bouncycastle.util.test.SimpleTestResult;
import org.bouncycastle.util.test.Test;
import org.bouncycastle.util.test.TestResult;
/**
* GOST 28147 MAC tester
*/
public class GOST28147MacTest
implements Test
{
//
// these GOSTMac for testing.
//
static byte[] gkeyBytes1 = Hex.decode("6d145dc993f4019e104280df6fcd8cd8e01e101e4c113d7ec4f469ce6dcd9e49");
static byte[] gkeyBytes2 = Hex.decode("6d145dc993f4019e104280df6fcd8cd8e01e101e4c113d7ec4f469ce6dcd9e49");
static byte[] input3 = Hex.decode("7768617420646f2079612077616e7420666f72206e6f7468696e673f");
static byte[] input4 = Hex.decode("7768617420646f2079612077616e7420666f72206e6f7468696e673f");
static byte[] output7 = Hex.decode("93468a46");
static byte[] output8 = Hex.decode("93468a46");
public GOST28147MacTest()
{
}
public TestResult perform()
{
// test1
Mac mac = new GOST28147Mac();
KeyParameter key = new KeyParameter(gkeyBytes1);
mac.init(key);
mac.update(input3, 0, input3.length);
byte[] out = new byte[4];
mac.doFinal(out, 0);
if (!Arrays.areEqual(out, output7))
{
return new SimpleTestResult(false, getName() + ": Failed test 1 - expected " + new String(Hex.encode(output7)) + " got " + new String(Hex.encode(out)));
}
// test2
key = new KeyParameter(gkeyBytes2);
ParametersWithSBox gparam = new ParametersWithSBox(key, GOST28147Engine.getSBox("E-A"));
mac.init(gparam);
mac.update(input4, 0, input4.length);
out = new byte[4];
mac.doFinal(out, 0);
if (!Arrays.areEqual(out, output8))
{
return new SimpleTestResult(false, getName() + ": Failed test 2 - expected " + new String(Hex.encode(output8)) + " got " + new String(Hex.encode(out)));
}
return new SimpleTestResult(true, getName() + ": Okay");
}
public String getName()
{
return "GOST28147Mac";
}
public static void main(
String[] args)
{
GOST28147MacTest test = new GOST28147MacTest();
TestResult result = test.perform();
System.out.println(result);
}
}
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