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package org.spongycastle.jce.provider.test;
import org.spongycastle.jce.provider.BouncyCastleProvider;
import org.spongycastle.util.encoders.Hex;
import javax.crypto.Cipher;
import javax.crypto.CipherInputStream;
import javax.crypto.CipherOutputStream;
import javax.crypto.spec.SecretKeySpec;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.IOException;
import java.security.Key;
import java.security.Security;
/**
* basic test class for SEED
*/
public class NoekeonTest
extends BaseBlockCipherTest
{
static String[] cipherTests =
{
"128",
"b1656851699e29fa24b70148503d2dfc",
"2a78421b87c7d0924f26113f1d1349b2",
"e2f687e07b75660ffc372233bc47532c"
};
public NoekeonTest()
{
super("Noekeon");
}
public void test(
int strength,
byte[] keyBytes,
byte[] input,
byte[] output)
throws Exception
{
Key key;
Cipher in, out;
CipherInputStream cIn;
CipherOutputStream cOut;
ByteArrayInputStream bIn;
ByteArrayOutputStream bOut;
key = new SecretKeySpec(keyBytes, "Noekeon");
in = Cipher.getInstance("Noekeon/ECB/NoPadding", "SC");
out = Cipher.getInstance("Noekeon/ECB/NoPadding", "SC");
try
{
out.init(Cipher.ENCRYPT_MODE, key);
}
catch (Exception e)
{
fail("Noekeon failed initialisation - " + e.toString(), e);
}
try
{
in.init(Cipher.DECRYPT_MODE, key);
}
catch (Exception e)
{
fail("Noekeoen failed initialisation - " + e.toString(), e);
}
//
// encryption pass
//
bOut = new ByteArrayOutputStream();
cOut = new CipherOutputStream(bOut, out);
try
{
for (int i = 0; i != input.length / 2; i++)
{
cOut.write(input[i]);
}
cOut.write(input, input.length / 2, input.length - input.length / 2);
cOut.close();
}
catch (IOException e)
{
fail("Noekeon failed encryption - " + e.toString(), e);
}
byte[] bytes;
bytes = bOut.toByteArray();
if (!areEqual(bytes, output))
{
fail("Noekeon failed encryption - expected " + new String(Hex.encode(output)) + " got " + new String(Hex.encode(bytes)));
}
//
// decryption pass
//
bIn = new ByteArrayInputStream(bytes);
cIn = new CipherInputStream(bIn, in);
try
{
DataInputStream dIn = new DataInputStream(cIn);
bytes = new byte[input.length];
for (int i = 0; i != input.length / 2; i++)
{
bytes[i] = (byte)dIn.read();
}
dIn.readFully(bytes, input.length / 2, bytes.length - input.length / 2);
}
catch (Exception e)
{
fail("Noekeon failed encryption - " + e.toString(), e);
}
if (!areEqual(bytes, input))
{
fail("Noekeon failed decryption - expected " + new String(Hex.encode(input)) + " got " + new String(Hex.encode(bytes)));
}
}
public void performTest()
throws Exception
{
for (int i = 0; i != cipherTests.length; i += 4)
{
test(Integer.parseInt(cipherTests[i]),
Hex.decode(cipherTests[i + 1]),
Hex.decode(cipherTests[i + 2]),
Hex.decode(cipherTests[i + 3]));
}
}
public static void main(
String[] args)
{
Security.addProvider(new BouncyCastleProvider());
runTest(new NoekeonTest());
}
}
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