diff options
Diffstat (limited to 'libraries/spongycastle/core/src/test/java/org/spongycastle/crypto/test/DESTest.java')
| -rw-r--r-- | libraries/spongycastle/core/src/test/java/org/spongycastle/crypto/test/DESTest.java | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/libraries/spongycastle/core/src/test/java/org/spongycastle/crypto/test/DESTest.java b/libraries/spongycastle/core/src/test/java/org/spongycastle/crypto/test/DESTest.java new file mode 100644 index 000000000..aec63ef2e --- /dev/null +++ b/libraries/spongycastle/core/src/test/java/org/spongycastle/crypto/test/DESTest.java @@ -0,0 +1,206 @@ +package org.spongycastle.crypto.test; + +import org.spongycastle.crypto.KeyGenerationParameters; +import org.spongycastle.crypto.engines.DESEngine; +import org.spongycastle.crypto.generators.DESKeyGenerator; +import org.spongycastle.crypto.modes.CBCBlockCipher; +import org.spongycastle.crypto.modes.CFBBlockCipher; +import org.spongycastle.crypto.modes.OFBBlockCipher; +import org.spongycastle.crypto.params.DESParameters; +import org.spongycastle.crypto.params.KeyParameter; +import org.spongycastle.crypto.params.ParametersWithIV; +import org.spongycastle.util.encoders.Hex; +import org.spongycastle.util.test.SimpleTest; + +import java.security.SecureRandom; + +class DESParityTest + extends SimpleTest +{ + public String getName() + { + return "DESParityTest"; + } + + public void performTest() + { + byte[] k1In = { (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, + (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff }; + byte[] k1Out = { (byte)0xfe, (byte)0xfe, (byte)0xfe, (byte)0xfe, + (byte)0xfe, (byte)0xfe, (byte)0xfe, (byte)0xfe }; + + byte[] k2In = { (byte)0xef, (byte)0xcb, (byte)0xda, (byte)0x4f, + (byte)0xaa, (byte)0x99, (byte)0x7f, (byte)0x63 }; + byte[] k2Out = { (byte)0xef, (byte)0xcb, (byte)0xda, (byte)0x4f, + (byte)0xab, (byte)0x98, (byte)0x7f, (byte)0x62 }; + + DESParameters.setOddParity(k1In); + + for (int i = 0; i != k1In.length; i++) + { + if (k1In[i] != k1Out[i]) + { + fail("Failed " + + "got " + new String(Hex.encode(k1In)) + + " expected " + new String(Hex.encode(k1Out))); + } + } + + DESParameters.setOddParity(k2In); + + for (int i = 0; i != k2In.length; i++) + { + if (k2In[i] != k2Out[i]) + { + fail("Failed " + + "got " + new String(Hex.encode(k2In)) + + " expected " + new String(Hex.encode(k2Out))); + } + } + } +} + +class KeyGenTest + extends SimpleTest +{ + public String getName() + { + return "KeyGenTest"; + } + + public void performTest() + { + DESKeyGenerator keyGen = new DESKeyGenerator(); + + keyGen.init(new KeyGenerationParameters(new SecureRandom(), 56)); + + byte[] kB = keyGen.generateKey(); + + if (kB.length != 8) + { + fail("DES bit key wrong length."); + } + } +} + +class DESParametersTest + extends SimpleTest +{ + static private byte[] weakKeys = + { + (byte)0x01,(byte)0x01,(byte)0x01,(byte)0x01, (byte)0x01,(byte)0x01,(byte)0x01,(byte)0x01, + (byte)0x1f,(byte)0x1f,(byte)0x1f,(byte)0x1f, (byte)0x0e,(byte)0x0e,(byte)0x0e,(byte)0x0e, + (byte)0xe0,(byte)0xe0,(byte)0xe0,(byte)0xe0, (byte)0xf1,(byte)0xf1,(byte)0xf1,(byte)0xf1, + (byte)0xfe,(byte)0xfe,(byte)0xfe,(byte)0xfe, (byte)0xfe,(byte)0xfe,(byte)0xfe,(byte)0xfe, + /* semi-weak keys */ + (byte)0x01,(byte)0xfe,(byte)0x01,(byte)0xfe, (byte)0x01,(byte)0xfe,(byte)0x01,(byte)0xfe, + (byte)0x1f,(byte)0xe0,(byte)0x1f,(byte)0xe0, (byte)0x0e,(byte)0xf1,(byte)0x0e,(byte)0xf1, + (byte)0x01,(byte)0xe0,(byte)0x01,(byte)0xe0, (byte)0x01,(byte)0xf1,(byte)0x01,(byte)0xf1, + (byte)0x1f,(byte)0xfe,(byte)0x1f,(byte)0xfe, (byte)0x0e,(byte)0xfe,(byte)0x0e,(byte)0xfe, + (byte)0x01,(byte)0x1f,(byte)0x01,(byte)0x1f, (byte)0x01,(byte)0x0e,(byte)0x01,(byte)0x0e, + (byte)0xe0,(byte)0xfe,(byte)0xe0,(byte)0xfe, (byte)0xf1,(byte)0xfe,(byte)0xf1,(byte)0xfe, + (byte)0xfe,(byte)0x01,(byte)0xfe,(byte)0x01, (byte)0xfe,(byte)0x01,(byte)0xfe,(byte)0x01, + (byte)0xe0,(byte)0x1f,(byte)0xe0,(byte)0x1f, (byte)0xf1,(byte)0x0e,(byte)0xf1,(byte)0x0e, + (byte)0xe0,(byte)0x01,(byte)0xe0,(byte)0x01, (byte)0xf1,(byte)0x01,(byte)0xf1,(byte)0x01, + (byte)0xfe,(byte)0x1f,(byte)0xfe,(byte)0x1f, (byte)0xfe,(byte)0x0e,(byte)0xfe,(byte)0x0e, + (byte)0x1f,(byte)0x01,(byte)0x1f,(byte)0x01, (byte)0x0e,(byte)0x01,(byte)0x0e,(byte)0x01, + (byte)0xfe,(byte)0xe0,(byte)0xfe,(byte)0xe0, (byte)0xfe,(byte)0xf1,(byte)0xfe,(byte)0xf1 + }; + + public String getName() + { + return "DESParameters"; + } + + public void performTest() throws Exception + { + try + { + DESParameters.isWeakKey(new byte[4], 0); + fail("no exception on small key"); + } + catch (IllegalArgumentException e) + { + if (!e.getMessage().equals("key material too short.")) + { + fail("wrong exception"); + } + } + + try + { + new DESParameters(weakKeys); + fail("no exception on weak key"); + } + catch (IllegalArgumentException e) + { + if (!e.getMessage().equals("attempt to create weak DES key")) + { + fail("wrong exception"); + } + } + + for (int i = 0; i != weakKeys.length; i += 8) + { + if (!DESParameters.isWeakKey(weakKeys, i)) + { + fail("weakKey test failed"); + } + } + } +} + +/** + * DES tester - vectors from <a href=http://www.itl.nist.gov/fipspubs/fip81.htm>FIPS 81</a> + */ +public class DESTest + extends CipherTest +{ + static String input1 = "4e6f77206973207468652074696d6520666f7220616c6c20"; + static String input2 = "4e6f7720697320746865"; + static String input3 = "4e6f7720697320746865aabbcc"; + + static SimpleTest[] tests = + { + new BlockCipherVectorTest(0, new DESEngine(), + new KeyParameter(Hex.decode("0123456789abcdef")), + input1, "3fa40e8a984d48156a271787ab8883f9893d51ec4b563b53"), + new BlockCipherVectorTest(1, new CBCBlockCipher(new DESEngine()), + new ParametersWithIV(new KeyParameter(Hex.decode("0123456789abcdef")), Hex.decode("1234567890abcdef")), + input1, "e5c7cdde872bf27c43e934008c389c0f683788499a7c05f6"), + new BlockCipherVectorTest(2, new CFBBlockCipher(new DESEngine(), 8), + new ParametersWithIV(new KeyParameter(Hex.decode("0123456789abcdef")), Hex.decode("1234567890abcdef")), + input2, "f31fda07011462ee187f"), + new BlockCipherVectorTest(3, new CFBBlockCipher(new DESEngine(), 64), + new ParametersWithIV(new KeyParameter(Hex.decode("0123456789abcdef")), Hex.decode("1234567890abcdef")), + input1, "f3096249c7f46e51a69e839b1a92f78403467133898ea622"), + new BlockCipherVectorTest(4, new OFBBlockCipher(new DESEngine(), 8), + new ParametersWithIV(new KeyParameter(Hex.decode("0123456789abcdef")), Hex.decode("1234567890abcdef")), + input2, "f34a2850c9c64985d684"), + new BlockCipherVectorTest(5, new CFBBlockCipher(new DESEngine(), 64), + new ParametersWithIV(new KeyParameter(Hex.decode("0123456789abcdef")), Hex.decode("1234567890abcdef")), + input3, "f3096249c7f46e51a69e0954bf"), + new BlockCipherVectorTest(6, new OFBBlockCipher(new DESEngine(), 64), + new ParametersWithIV(new KeyParameter(Hex.decode("0123456789abcdef")), Hex.decode("1234567890abcdef")), + input3, "f3096249c7f46e5135f2c0eb8b"), + new DESParityTest(), + new DESParametersTest(), + new KeyGenTest() + }; + + public DESTest() + { + super(tests, new DESEngine(), new KeyParameter(new byte[8])); + } + + public String getName() + { + return "DES"; + } + + public static void main( + String[] args) + { + runTest(new DESTest()); + } +} |