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package org.bouncycastle.jce.provider.test;
import java.security.Security;
import javax.crypto.Mac;
import javax.crypto.SecretKey;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.bouncycastle.util.encoders.Hex;
import org.bouncycastle.util.test.SimpleTest;
/**
* MAC tester - vectors from
* <a href=http://www.itl.nist.gov/fipspubs/fip81.htm>FIP 81</a> and
* <a href=http://www.itl.nist.gov/fipspubs/fip113.htm>FIP 113</a>.
*/
public class MacTest
extends SimpleTest
{
static byte[] keyBytes = Hex.decode("0123456789abcdef");
static byte[] ivBytes = Hex.decode("1234567890abcdef");
static byte[] input = Hex.decode("37363534333231204e6f77206973207468652074696d6520666f7220");
static byte[] output1 = Hex.decode("f1d30f68");
static byte[] output2 = Hex.decode("58d2e77e");
static byte[] output3 = Hex.decode("cd647403");
static byte[] keyBytesISO9797 = Hex.decode("7CA110454A1A6E570131D9619DC1376E");
static byte[] inputISO9797 = "Hello World !!!!".getBytes();
static byte[] outputISO9797 = Hex.decode("F09B856213BAB83B");
static byte[] inputDesEDE64 = "Hello World !!!!".getBytes();
static byte[] outputDesEDE64 = Hex.decode("862304d33af01096");
public MacTest()
{
}
private void aliasTest(SecretKey key, String primary, String[] aliases)
throws Exception
{
Mac mac = Mac.getInstance(primary, "BC");
//
// standard DAC - zero IV
//
mac.init(key);
mac.update(input, 0, input.length);
byte[] ref = mac.doFinal();
for (int i = 0; i != aliases.length; i++)
{
mac = Mac.getInstance(aliases[i], "BC");
mac.init(key);
mac.update(input, 0, input.length);
byte[] out = mac.doFinal();
if (!areEqual(out, ref))
{
fail("Failed - expected " + new String(Hex.encode(ref)) + " got " + new String(Hex.encode(out)));
}
}
}
public void performTest()
throws Exception
{
SecretKey key = new SecretKeySpec(keyBytes, "DES");
byte[] out;
Mac mac;
mac = Mac.getInstance("DESMac", "BC");
//
// standard DAC - zero IV
//
mac.init(key);
mac.update(input, 0, input.length);
out = mac.doFinal();
if (!areEqual(out, output1))
{
fail("Failed - expected " + new String(Hex.encode(output1)) + " got " + new String(Hex.encode(out)));
}
//
// mac with IV.
//
mac.init(key, new IvParameterSpec(ivBytes));
mac.update(input, 0, input.length);
out = mac.doFinal();
if (!areEqual(out, output2))
{
fail("Failed - expected " + new String(Hex.encode(output2)) + " got " + new String(Hex.encode(out)));
}
//
// CFB mac with IV - 8 bit CFB mode
//
mac = Mac.getInstance("DESMac/CFB8", "BC");
mac.init(key, new IvParameterSpec(ivBytes));
mac.update(input, 0, input.length);
out = mac.doFinal();
if (!areEqual(out, output3))
{
fail("Failed - expected " + new String(Hex.encode(output3)) + " got " + new String(Hex.encode(out)));
}
//
// ISO9797 algorithm 3 using DESEDE
//
key = new SecretKeySpec(keyBytesISO9797, "DESEDE");
mac = Mac.getInstance("ISO9797ALG3", "BC");
mac.init(key);
mac.update(inputISO9797, 0, inputISO9797.length);
out = mac.doFinal();
if (!areEqual(out, outputISO9797))
{
fail("Failed - expected " + new String(Hex.encode(outputISO9797)) + " got " + new String(Hex.encode(out)));
}
//
// 64bit DESede Mac
//
key = new SecretKeySpec(keyBytesISO9797, "DESEDE");
mac = Mac.getInstance("DESEDE64", "BC");
mac.init(key);
mac.update(inputDesEDE64, 0, inputDesEDE64.length);
out = mac.doFinal();
if (!areEqual(out, outputDesEDE64))
{
fail("Failed - expected " + new String(Hex.encode(outputDesEDE64)) + " got " + new String(Hex.encode(out)));
}
aliasTest(new SecretKeySpec(keyBytesISO9797, "DESede"), "DESedeMac64withISO7816-4Padding",
new String[] { "DESEDE64WITHISO7816-4PADDING", "DESEDEISO9797ALG1MACWITHISO7816-4PADDING", "DESEDEISO9797ALG1WITHISO7816-4PADDING" });
aliasTest(new SecretKeySpec(keyBytesISO9797, "DESede"), "ISO9797ALG3WITHISO7816-4PADDING",
new String[] { "ISO9797ALG3MACWITHISO7816-4PADDING" });
aliasTest(new SecretKeySpec(keyBytes, "DES"), "DES64",
new String[] { "DESMAC64" });
}
public String getName()
{
return "Mac";
}
public static void main(
String[] args)
{
Security.addProvider(new BouncyCastleProvider());
runTest(new MacTest());
}
}
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