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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.
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package org.bouncycastle.crypto.test;
import java.security.SecureRandom;
import org.bouncycastle.crypto.BlockCipher;
import org.bouncycastle.crypto.engines.ARIAEngine;
import org.bouncycastle.crypto.params.KeyParameter;
import org.bouncycastle.util.Arrays;
import org.bouncycastle.util.encoders.Hex;
import org.bouncycastle.util.test.SimpleTest;
public class ARIATest
extends SimpleTest
{
private static SecureRandom R = new SecureRandom();
private static final String[][] TEST_VECTORS_RFC5794 = {
{
"128-Bit Key",
"000102030405060708090a0b0c0d0e0f",
"00112233445566778899aabbccddeeff",
"d718fbd6ab644c739da95f3be6451778"
},
{
"192-Bit Key",
"000102030405060708090a0b0c0d0e0f1011121314151617",
"00112233445566778899aabbccddeeff",
"26449c1805dbe7aa25a468ce263a9e79"
},
{
"256-Bit Key",
"000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f",
"00112233445566778899aabbccddeeff",
"f92bd7c79fb72e2f2b8f80c1972d24fc"
},
};
public String getName()
{
return "ARIA";
}
public void performTest() throws Exception
{
checkTestVectors_RFC5794();
long before = System.currentTimeMillis();
for (int i = 0; i < 10000; ++i)
{
checkRandomRoundtrips();
}
long after = System.currentTimeMillis();
long elapsed = after - before;
System.out.println("Elapsed: " + elapsed + "ms.");
new MyARIAEngine().checkImplementation();
}
private void checkRandomRoundtrips()
{
ARIAEngine ce = new ARIAEngine();
ARIAEngine cd = new ARIAEngine();
byte[] txt = new byte[ce.getBlockSize()];
byte[] enc = new byte[ce.getBlockSize()];
byte[] dec = new byte[ce.getBlockSize()];
for (int keyLen = 16; keyLen <= 32; keyLen += 8)
{
byte[] K = new byte[keyLen];
R.nextBytes(K);
KeyParameter key = new KeyParameter(K);
ce.init(true, key);
cd.init(false, key);
R.nextBytes(txt);
for (int i = 0; i < 100; ++i)
{
ce.processBlock(txt, 0, enc, 0);
cd.processBlock(enc, 0, dec, 0);
isTrue(Arrays.areEqual(txt, dec));
System.arraycopy(enc, 0, txt, 0, enc.length);
}
}
}
private void checkTestVector_RFC5794(String[] tv)
{
String name = "'" + tv[0] + "'";
BlockCipher c = new ARIAEngine();
int blockSize = c.getBlockSize();
isTrue("Wrong block size returned from getBlockSize() for " + name, 16 == blockSize);
KeyParameter key = new KeyParameter(Hex.decode(tv[1]));
byte[] plaintext = Hex.decode(tv[2]);
byte[] ciphertext = Hex.decode(tv[3]);
isTrue("Unexpected plaintext length for " + name, blockSize == plaintext.length);
isTrue("Unexpected ciphertext length for " + name, blockSize == ciphertext.length);
c.init(true, key);
byte[] actual = new byte[blockSize];
int num = c.processBlock(plaintext, 0, actual, 0);
isTrue("Wrong length returned from processBlock() (encryption) for " + name, blockSize == num);
isTrue("Incorrect ciphertext computed for " + name, Arrays.areEqual(ciphertext, actual));
c.init(false, key);
num = c.processBlock(ciphertext, 0, actual, 0);
isTrue("Wrong length returned from processBlock() (decryption) for " + name, blockSize == num);
isTrue("Incorrect plaintext computed for " + name, Arrays.areEqual(plaintext, actual));
}
private void checkTestVectors_RFC5794()
{
for (int i = 0; i < TEST_VECTORS_RFC5794.length; ++i)
{
checkTestVector_RFC5794(TEST_VECTORS_RFC5794[i]);
}
}
public static void main(String[] args)
{
runTest(new ARIATest());
}
private class MyARIAEngine extends ARIAEngine
{
public void checkImplementation()
{
checkInvolution();
checkSBoxes();
}
private void checkInvolution()
{
byte[] x = new byte[16], y = new byte[16];
for (int i = 0; i < 100; ++i)
{
R.nextBytes(x);
System.arraycopy(x, 0, y, 0, 16);
A(y);
A(y);
ARIATest.this.isTrue(Arrays.areEqual(x, y));
}
}
private void checkSBoxes()
{
for (int i = 0; i < 256; ++i)
{
byte x = (byte)i;
ARIATest.this.isTrue(x == SB1(SB3(x)));
ARIATest.this.isTrue(x == SB3(SB1(x)));
ARIATest.this.isTrue(x == SB2(SB4(x)));
ARIATest.this.isTrue(x == SB4(SB2(x)));
}
}
}
}