package org.bouncycastle.crypto.test;
import org.bouncycastle.crypto.Digest;
import org.bouncycastle.crypto.digests.MD4Digest;
import org.bouncycastle.util.encoders.Hex;
import org.bouncycastle.util.test.SimpleTestResult;
import org.bouncycastle.util.test.Test;
import org.bouncycastle.util.test.TestResult;
/**
* standard vector test for MD4 from RFC 1320.
*/
public class MD4DigestTest
implements Test
{
static private String testVec1 = "";
static private String resVec1 = "31d6cfe0d16ae931b73c59d7e0c089c0";
static private String testVec2 = "61";
static private String resVec2 = "bde52cb31de33e46245e05fbdbd6fb24";
static private String testVec3 = "616263";
static private String resVec3 = "a448017aaf21d8525fc10ae87aa6729d";
static private String testVec4 = "3132333435363738393031323334353637383930313233343536373839303132333435363738393031323334353637383930313233343536373839303132333435363738393031323334353637383930";
static private String resVec4 = "e33b4ddc9c38f2199c3e7b164fcc0536";
public String getName()
{
return "MD4";
}
public TestResult perform()
{
Digest digest = new MD4Digest();
byte[] resBuf = new byte[digest.getDigestSize()];
String resStr;
//
// test 1
//
digest.doFinal(resBuf, 0);
resStr = new String(Hex.encode(resBuf));
if (!resVec1.equals(resStr))
{
return new SimpleTestResult(false,
"MD4 failing standard vector test 1"
+ System.getProperty("line.separator")
+ " expected: " + resVec1
+ System.getProperty("line.separator")
+ " got : " + resStr);
}
//
// test 2
//
byte[] bytes = Hex.decode(testVec2);
digest.update(bytes, 0, bytes.length);
digest.doFinal(resBuf, 0);
resStr = new String(Hex.encode(resBuf));
if (!resVec2.equals(resStr))
{
return new SimpleTestResult(false,
"MD4 failing standard vector test 2"
+ System.getProperty("line.separator")
+ " expected: " + resVec2
+ System.getProperty("line.separator")
+ " got : " + resStr);
}
//
// test 3
//
bytes = Hex.decode(testVec3);
digest.update(bytes, 0, bytes.length);
digest.doFinal(resBuf, 0);
resStr = new String(Hex.encode(resBuf));
if (!resVec3.equals(resStr))
{
return new SimpleTestResult(false,
"MD4 failing standard vector test 3"
+ System.getProperty("line.separator")
+ " expected: " + resVec3
+ System.getProperty("line.separator")
+ " got : " + resStr);
}
//
// test 4
//
bytes = Hex.decode(testVec4);
digest.update(bytes, 0, bytes.length);
digest.doFinal(resBuf, 0);
resStr = new String(Hex.encode(resBuf));
if (!resVec4.equals(resStr))
{
return new SimpleTestResult(false,
"MD4 failing standard vector test 4"
+ System.getProperty("line.separator")
+ " expected: " + resVec4
+ System.getProperty("line.separator")
+ " got : " + resStr);
}
//
// test 5
//
bytes = Hex.decode(testVec4);
digest.update(bytes, 0, bytes.length/2);
// clone the Digest
Digest d = new MD4Digest((MD4Digest)digest);
digest.update(bytes, bytes.length/2, bytes.length - bytes.length/2);
digest.doFinal(resBuf, 0);
resStr = new String(Hex.encode(resBuf));
if (!resVec4.equals(resStr))
{
return new SimpleTestResult(false,
"MD4 failing standard vector test 5"
+ System.getProperty("line.separator")
+ " expected: " + resVec4
+ System.getProperty("line.separator")
+ " got : " + resStr);
}
d.update(bytes, bytes.length/2, bytes.length - bytes.length/2);
d.doFinal(resBuf, 0);
resStr = new String(Hex.encode(resBuf));
if (!resVec4.equals(resStr))
{
return new SimpleTestResult(false,
"MD4 failing standard vector test 5"
+ System.getProperty("line.separator")
+ " expected: " + resVec4
+ System.getProperty("line.separator")
+ " got : " + resStr);
}
return new SimpleTestResult(true, getName() + ": Okay");
}
public static void main(
String[] args)
{
MD4DigestTest test = new MD4DigestTest();
TestResult result = test.perform();
System.out.println(result);
}
}