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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 and up.
package org.bouncycastle.crypto.test;
import org.bouncycastle.crypto.Mac;
import org.bouncycastle.crypto.StreamCipher;
import org.bouncycastle.crypto.engines.Zuc128CoreEngine;
import org.bouncycastle.crypto.engines.Zuc128Engine;
import org.bouncycastle.crypto.engines.Zuc256CoreEngine;
import org.bouncycastle.crypto.engines.Zuc256Engine;
import org.bouncycastle.crypto.macs.Zuc128Mac;
import org.bouncycastle.crypto.macs.Zuc256Mac;
import org.bouncycastle.crypto.params.KeyParameter;
import org.bouncycastle.crypto.params.ParametersWithIV;
import org.bouncycastle.util.Arrays;
import org.bouncycastle.util.encoders.Hex;
import org.bouncycastle.util.test.SimpleTest;
/**
* Test Cases for Zuc128 and Zuc256.
* Test Vectors taken from https://www.gsma.com/aboutus/wp-content/uploads/2014/12/eea3eia3zucv16.pdf for Zuc128
* and http://www.is.cas.cn/ztzl2016/zouchongzhi/201801/W020180126529970733243.pdf for Zuc256.
*/
public class ZucTest
extends SimpleTest
{
private static final int INT_SIZE = 32;
private static final int BYTE_SIZE = 8;
/**
* Test Keys and IV.
*/
private static final String KEY128_1 =
"00000000000000000000000000000000";
private static final String KEY128_2 =
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF";
private static final String KEY256_1 =
"00000000000000000000000000000000" +
"00000000000000000000000000000000";
private static final String KEY256_2 =
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" +
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF";
private static final String IV128_1 = "00000000000000000000000000000000";
private static final String IV128_2 = "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF";
private static final String IV200_1 = "00000000000000000000000000000000000000000000000000";
private static final String IV200_2 = "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF3F3F3F3F3F3F3F3F";
/**
* Define the bit limits for engines.
*/
private static final int ZUC256LIMIT = 20000;
private static final int ZUC128LIMIT = 65504;
public String getName()
{
return "Zuc";
}
public void performTest()
throws Exception
{
new Zuc128Test().testTheCipher();
new Zuc256Test().testTheCipher();
new Zuc128MacTest().testTheMac();
new Zuc256Mac32Test().testTheMac();
new Zuc256Mac64Test().testTheMac();
new Zuc256Mac128Test().testTheMac();
}
/**
* The TestCase.
*/
private static class TestCase
{
/**
* The testCase.
*/
private final String theKey;
private final String theIV;
private final String thePlainText;
private final String theExpected;
/**
* Constructor.
*
* @param pKey the key
* @param pIV the IV
* @param pExpected the expected results.
*/
TestCase(final String pKey,
final String pIV,
final String pExpected)
{
this(pKey, pIV, null, pExpected);
}
/**
* Constructor.
*
* @param pKey the key
* @param pIV the IV
* @param pPlain the plainText
* @param pExpected the expected results.
*/
TestCase(final String pKey,
final String pIV,
final String pPlain,
final String pExpected)
{
theKey = pKey;
theIV = pIV;
thePlainText = pPlain;
theExpected = pExpected;
}
}
/**
* Zuc128.
*/
class Zuc128Test
{
/**
* TestCases.
*/
private final TestCase TEST4 = new TestCase(KEY128_1, IV128_1,
"27bede74018082da87d4e5b69f18bf6632070e0f39b7b692b4673edc3184a48e27636f4414510d62cc15cfe194ec4f6d4b8c8fcc630648badf41b6f9d16a36ca"
);
private final TestCase TEST5 = new TestCase(KEY128_2, IV128_2,
"0657cfa07096398b734b6cb4883eedf4257a76eb97595208d884adcdb1cbffb8e0f9d15846a0eed015328503351138f740d079af17296c232c4f022d6e4acac6"
);
/**
* Test cipher.
*/
void testTheCipher()
{
final Zuc128CoreEngine myEngine = new Zuc128Engine();
testCipher(myEngine, TEST4);
testCipher(myEngine, TEST5);
testStreamLimit(myEngine, TEST5, ZUC128LIMIT);
}
}
/**
* Zuc256.
*/
class Zuc256Test
{
/**
* TestCases.
*/
private final TestCase TEST4 = new TestCase(KEY256_1, IV200_1,
"58d03ad62e032ce2dafc683a39bdcb0352a2bc67f1b7de74163ce3a101ef55589639d75b95fa681b7f090df756391ccc903b7612744d544c17bc3fad8b163b08"
);
private final TestCase TEST5 = new TestCase(KEY256_2, IV200_2,
"3356cbaed1a1c18b6baa4ffe343f777c9e15128f251ab65b949f7b26ef7157f296dd2fa9df95e3ee7a5be02ec32ba585505af316c2f9ded27cdbd935e441ce11"
);
/**
* Test cipher.
*/
void testTheCipher()
{
final Zuc256CoreEngine myEngine = new Zuc256Engine();
testCipher(myEngine, TEST4);
testCipher(myEngine, TEST5);
testStreamLimit(myEngine, TEST5, ZUC256LIMIT);
}
}
/**
* Zuc128Mac.
*/
class Zuc128MacTest
{
/**
* TestCases.
*/
private final TestCase TEST1 = new TestCase(KEY128_1, IV128_1,
"508dd5ff"
);
private final TestCase TEST2 = new TestCase(KEY128_1, IV128_1,
"fbed4c12"
);
private final TestCase TEST3 = new TestCase(KEY128_2, IV128_2,
"55e01504"
);
private final TestCase TEST4 = new TestCase(KEY128_2, IV128_2,
"9ce9a0c4"
);
/**
* Test Mac.
*/
void testTheMac()
{
final Zuc128Mac myMac = new Zuc128Mac();
testMac(myMac, false, TEST1);
testMac(myMac, true, TEST2);
testMac(myMac, false, TEST3);
testMac(myMac, true, TEST4);
testMacLimit(myMac, TEST4, ZUC128LIMIT - (2 * INT_SIZE));
// reset without init().
Zuc128Mac xMac = new Zuc128Mac();
xMac.reset();
}
}
/**
* Zuc256Mac32.
*/
class Zuc256Mac32Test
{
/**
* TestCases.
*/
private final TestCase TEST1 = new TestCase(KEY256_1, IV200_1,
"9b972a74"
);
private final TestCase TEST2 = new TestCase(KEY256_1, IV200_1,
"8754f5cf"
);
private final TestCase TEST3 = new TestCase(KEY256_2, IV200_2,
"1f3079b4"
);
private final TestCase TEST4 = new TestCase(KEY256_2, IV200_2,
"5c7c8b88"
);
/**
* Test Mac.
*/
void testTheMac()
{
final Zuc256Mac myMac = new Zuc256Mac(32);
testMac(myMac, false, TEST1);
testMac(myMac, true, TEST2);
testMac(myMac, false, TEST3);
testMac(myMac, true, TEST4);
testMacLimit(myMac, TEST4, ZUC256LIMIT - (2 * myMac.getMacSize() * BYTE_SIZE));
// reset without init().
Zuc256Mac xMac = new Zuc256Mac(32);
xMac.reset();
}
}
/**
* Zuc256Mac64.
*/
class Zuc256Mac64Test
{
/**
* TestCases.
*/
private final TestCase TEST1 = new TestCase(KEY256_1, IV200_1,
"673e54990034d38c"
);
private final TestCase TEST2 = new TestCase(KEY256_1, IV200_1,
"130dc225e72240cc"
);
private final TestCase TEST3 = new TestCase(KEY256_2, IV200_2,
"8c71394d39957725"
);
private final TestCase TEST4 = new TestCase(KEY256_2, IV200_2,
"ea1dee544bb6223b"
);
/**
* Test Mac.
*/
void testTheMac()
{
final Zuc256Mac myMac = new Zuc256Mac(64);
testMac(myMac, false, TEST1);
testMac(myMac, true, TEST2);
testMac(myMac, false, TEST3);
testMac(myMac, true, TEST4);
testMacLimit(myMac, TEST4, ZUC256LIMIT - (2 * myMac.getMacSize() * BYTE_SIZE));
}
}
/**
* Zuc256Mac128.
*/
class Zuc256Mac128Test
{
/**
* TestCases.
*/
private final TestCase TEST1 = new TestCase(KEY256_1, IV200_1,
"d85e54bbcb9600967084c952a1654b26"
);
private final TestCase TEST2 = new TestCase(KEY256_1, IV200_1,
"df1e8307b31cc62beca1ac6f8190c22f"
);
private final TestCase TEST3 = new TestCase(KEY256_2, IV200_2,
"a35bb274b567c48b28319f111af34fbd"
);
private final TestCase TEST4 = new TestCase(KEY256_2, IV200_2,
"3a83b554be408ca5494124ed9d473205"
);
/**
* Test Mac.
*/
void testTheMac()
{
final Zuc256Mac myMac = new Zuc256Mac(128);
testMac(myMac, false, TEST1);
testMac(myMac, true, TEST2);
testMac(myMac, false, TEST3);
testMac(myMac, true, TEST4);
testMacLimit(myMac, TEST4, ZUC256LIMIT - (2 * myMac.getMacSize() * BYTE_SIZE));
}
}
/**
* Test the Cipher against the results.
*
* @param pCipher the cipher to test.
* @param pTestCase the testCase
*/
void testCipher(final StreamCipher pCipher,
final TestCase pTestCase)
{
/* Access the expected bytes */
final byte[] myExpected = Hex.decode(pTestCase.theExpected);
/* Create the output buffer */
final byte[] myOutput = new byte[myExpected.length];
/* Access plainText or nulls */
final byte[] myData = pTestCase.thePlainText != null
? Hex.decode(pTestCase.thePlainText)
: new byte[myExpected.length];
/* Access the key and the iv */
final KeyParameter myKey = new KeyParameter(Hex.decode(pTestCase.theKey));
final byte[] myIV = Hex.decode(pTestCase.theIV);
final ParametersWithIV myParms = new ParametersWithIV(myKey, myIV);
/* Initialise the cipher and create the keyStream */
pCipher.init(true, myParms);
pCipher.processBytes(myData, 0, myData.length, myOutput, 0);
/* Check the encryption */
isTrue("Encryption mismatch", Arrays.areEqual(myExpected, myOutput));
}
/**
* Test the Mac against the results.
*
* @param pMac the mac to test.
* @param pOnes use all ones as data?
* @param pTestCase the testCase
*/
void testMac(final Mac pMac,
final boolean pOnes,
final TestCase pTestCase)
{
/* Access the expected bytes */
final byte[] myExpected = Hex.decode(pTestCase.theExpected);
/* Create the output buffer and the data */
final byte[] myOutput = new byte[pMac.getMacSize()];
final byte[] myData = new byte[(pOnes ? 4000 : 400) / 8];
Arrays.fill(myData, (byte)(pOnes ? 0x11 : 0));
/* Access the key and the iv */
final KeyParameter myKey = new KeyParameter(Hex.decode(pTestCase.theKey));
final byte[] myIV = Hex.decode(pTestCase.theIV);
final ParametersWithIV myParms = new ParametersWithIV(myKey, myIV);
/* Initialise the cipher and create the keyStream */
pMac.init(myParms);
pMac.update(myData, 0, myData.length);
pMac.doFinal(myOutput, 0);
/* Check the mac */
isTrue("Mac mismatch", Arrays.areEqual(myExpected, myOutput));
/* Check doFinal reset */
pMac.update(myData, 0, myData.length);
pMac.doFinal(myOutput, 0);
isTrue("DoFinal Mac mismatch", Arrays.areEqual(myExpected, myOutput));
/* Check reset() */
pMac.update(myData, 0, myData.length);
pMac.reset();
pMac.update(myData, 0, myData.length);
pMac.doFinal(myOutput, 0);
isTrue("Reset Mac mismatch", Arrays.areEqual(myExpected, myOutput));
}
/**
* Test the Stream Cipher against the limit.
*
* @param pCipher the cipher to test.
* @param pTestCase the testCase
* @param pLimit the limit in bits.
*/
void testStreamLimit(final StreamCipher pCipher,
final TestCase pTestCase,
final int pLimit)
{
/* Check the limit is a whole number of integers */
isTrue("Invalid limit", (pLimit % INT_SIZE == 0));
final int myNumBytes = pLimit / BYTE_SIZE;
/* Create the maximum # of bytes */
final byte[] myData = new byte[myNumBytes];
final byte[] myOutput = new byte[myNumBytes];
/* Access the key and the iv */
final KeyParameter myKey = new KeyParameter(Hex.decode(pTestCase.theKey));
final byte[] myIV = Hex.decode(pTestCase.theIV);
final ParametersWithIV myParms = new ParametersWithIV(myKey, myIV);
/* Initialise the cipher and create the keyStream */
pCipher.init(true, myParms);
pCipher.processBytes(myData, 0, myData.length, myOutput, 0);
/* Check that next encryption throws exception */
try
{
pCipher.processBytes(myData, 0, 1, myOutput, 0);
fail("Limit Failure");
}
catch (IllegalStateException e)
{
/* OK */
}
}
/**
* Test the Mac against the limit.
*
* @param pMac the mac to test.
* @param pTestCase the testCase
* @param pLimit the limit in bits.
*/
void testMacLimit(final Mac pMac,
final TestCase pTestCase,
final int pLimit)
{
/* Check the limit is a whole numbet of integers */
isTrue("Invalid limit", (pLimit % INT_SIZE == 0));
final int myNumBytes = pLimit / BYTE_SIZE;
/* Create the maximum # of bytes */
final byte[] myData = new byte[myNumBytes];
final byte[] myOutput = new byte[myNumBytes];
/* Access the key and the iv */
final KeyParameter myKey = new KeyParameter(Hex.decode(pTestCase.theKey));
final byte[] myIV = Hex.decode(pTestCase.theIV);
final ParametersWithIV myParms = new ParametersWithIV(myKey, myIV);
/* Initialise the mac and create the result */
pMac.init(myParms);
pMac.update(myData, 0, myData.length);
pMac.doFinal(myOutput, 0);
/* Initialise the mac and process as much data as possible */
pMac.init(myParms);
pMac.update(myData, 0, myData.length);
/* We expect a failure on processing a further byte */
try
{
pMac.update(myData, 0, 1);
pMac.doFinal(myOutput, 0);
fail("Limit Failure");
}
catch (IllegalStateException e)
{
/* OK */
}
}
/**
* Main entry point.
*
* @param args the argyments
*/
public static void main(String[] args)
{
runTest(new ZucTest());
}
}