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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 and up.
package org.bouncycastle.jcajce.provider.symmetric;
import java.security.AlgorithmParameters;
import java.security.InvalidAlgorithmParameterException;
import java.security.SecureRandom;
import java.security.spec.AlgorithmParameterSpec;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.KeySpec;
import javax.crypto.SecretKey;
import javax.crypto.spec.DESedeKeySpec;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import org.bouncycastle.asn1.oiw.OIWObjectIdentifiers;
import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers;
import org.bouncycastle.crypto.CryptoServicesRegistrar;
import org.bouncycastle.crypto.KeyGenerationParameters;
import org.bouncycastle.crypto.engines.DESedeEngine;
import org.bouncycastle.crypto.engines.DESedeWrapEngine;
import org.bouncycastle.crypto.engines.RFC3211WrapEngine;
import org.bouncycastle.crypto.generators.DESedeKeyGenerator;
import org.bouncycastle.crypto.macs.CBCBlockCipherMac;
import org.bouncycastle.crypto.macs.CFBBlockCipherMac;
import org.bouncycastle.crypto.macs.CMac;
import org.bouncycastle.crypto.modes.CBCBlockCipher;
import org.bouncycastle.crypto.paddings.ISO7816d4Padding;
import org.bouncycastle.jcajce.provider.config.ConfigurableProvider;
import org.bouncycastle.jcajce.provider.symmetric.util.BaseAlgorithmParameterGenerator;
import org.bouncycastle.jcajce.provider.symmetric.util.BaseBlockCipher;
import org.bouncycastle.jcajce.provider.symmetric.util.BaseKeyGenerator;
import org.bouncycastle.jcajce.provider.symmetric.util.BaseMac;
import org.bouncycastle.jcajce.provider.symmetric.util.BaseSecretKeyFactory;
import org.bouncycastle.jcajce.provider.symmetric.util.BaseWrapCipher;
import org.bouncycastle.jcajce.provider.util.AlgorithmProvider;
public final class DESede
{
private DESede()
{
}
static public class ECB
extends BaseBlockCipher
{
public ECB()
{
super(new DESedeEngine());
}
}
static public class CBC
extends BaseBlockCipher
{
public CBC()
{
super(new CBCBlockCipher(new DESedeEngine()), 64);
}
}
/**
* DESede CFB8
*/
public static class DESedeCFB8
extends BaseMac
{
public DESedeCFB8()
{
super(new CFBBlockCipherMac(new DESedeEngine()));
}
}
/**
* DESede64
*/
public static class DESede64
extends BaseMac
{
public DESede64()
{
super(new CBCBlockCipherMac(new DESedeEngine(), 64));
}
}
/**
* DESede64with7816-4Padding
*/
public static class DESede64with7816d4
extends BaseMac
{
public DESede64with7816d4()
{
super(new CBCBlockCipherMac(new DESedeEngine(), 64, new ISO7816d4Padding()));
}
}
public static class CBCMAC
extends BaseMac
{
public CBCMAC()
{
super(new CBCBlockCipherMac(new DESedeEngine()));
}
}
static public class CMAC
extends BaseMac
{
public CMAC()
{
super(new CMac(new DESedeEngine()));
}
}
public static class Wrap
extends BaseWrapCipher
{
public Wrap()
{
super(new DESedeWrapEngine());
}
}
public static class RFC3211
extends BaseWrapCipher
{
public RFC3211()
{
super(new RFC3211WrapEngine(new DESedeEngine()), 8);
}
}
/**
* DESede - the default for this is to generate a key in
* a-b-a format that's 24 bytes long but has 16 bytes of
* key material (the first 8 bytes is repeated as the last
* 8 bytes). If you give it a size, you'll get just what you
* asked for.
*/
public static class KeyGenerator
extends BaseKeyGenerator
{
private boolean keySizeSet = false;
public KeyGenerator()
{
super("DESede", 192, new DESedeKeyGenerator());
}
protected void engineInit(
int keySize,
SecureRandom random)
{
super.engineInit(keySize, random);
keySizeSet = true;
}
protected SecretKey engineGenerateKey()
{
if (uninitialised)
{
engine.init(new KeyGenerationParameters(CryptoServicesRegistrar.getSecureRandom(), defaultKeySize));
uninitialised = false;
}
//
// if no key size has been defined generate a 24 byte key in
// the a-b-a format
//
if (!keySizeSet)
{
byte[] k = engine.generateKey();
System.arraycopy(k, 0, k, 16, 8);
return new SecretKeySpec(k, algName);
}
else
{
return new SecretKeySpec(engine.generateKey(), algName);
}
}
}
/**
* generate a desEDE key in the a-b-c format.
*/
public static class KeyGenerator3
extends BaseKeyGenerator
{
public KeyGenerator3()
{
super("DESede3", 192, new DESedeKeyGenerator());
}
}
/**
* PBEWithSHAAnd3-KeyTripleDES-CBC
*/
static public class PBEWithSHAAndDES3Key
extends BaseBlockCipher
{
public PBEWithSHAAndDES3Key()
{
super(new CBCBlockCipher(new DESedeEngine()), PKCS12, SHA1, 192, 8);
}
}
/**
* PBEWithSHAAnd2-KeyTripleDES-CBC
*/
static public class PBEWithSHAAndDES2Key
extends BaseBlockCipher
{
public PBEWithSHAAndDES2Key()
{
super(new CBCBlockCipher(new DESedeEngine()), PKCS12, SHA1, 128, 8);
}
}
/**
* PBEWithSHAAnd3-KeyTripleDES-CBC
*/
static public class PBEWithSHAAndDES3KeyFactory
extends DES.DESPBEKeyFactory
{
public PBEWithSHAAndDES3KeyFactory()
{
super("PBEwithSHAandDES3Key-CBC", PKCSObjectIdentifiers.pbeWithSHAAnd3_KeyTripleDES_CBC, true, PKCS12, SHA1, 192, 64);
}
}
/**
* PBEWithSHAAnd2-KeyTripleDES-CBC
*/
static public class PBEWithSHAAndDES2KeyFactory
extends DES.DESPBEKeyFactory
{
public PBEWithSHAAndDES2KeyFactory()
{
super("PBEwithSHAandDES2Key-CBC", PKCSObjectIdentifiers.pbeWithSHAAnd2_KeyTripleDES_CBC, true, PKCS12, SHA1, 128, 64);
}
}
public static class AlgParamGen
extends BaseAlgorithmParameterGenerator
{
protected void engineInit(
AlgorithmParameterSpec genParamSpec,
SecureRandom random)
throws InvalidAlgorithmParameterException
{
throw new InvalidAlgorithmParameterException("No supported AlgorithmParameterSpec for DES parameter generation.");
}
protected AlgorithmParameters engineGenerateParameters()
{
byte[] iv = new byte[8];
if (random == null)
{
random = CryptoServicesRegistrar.getSecureRandom();
}
random.nextBytes(iv);
AlgorithmParameters params;
try
{
params = createParametersInstance("DES");
params.init(new IvParameterSpec(iv));
}
catch (Exception e)
{
throw new RuntimeException(e.getMessage());
}
return params;
}
}
static public class KeyFactory
extends BaseSecretKeyFactory
{
public KeyFactory()
{
super("DESede", null);
}
protected KeySpec engineGetKeySpec(
SecretKey key,
Class keySpec)
throws InvalidKeySpecException
{
if (keySpec == null)
{
throw new InvalidKeySpecException("keySpec parameter is null");
}
if (key == null)
{
throw new InvalidKeySpecException("key parameter is null");
}
if (SecretKeySpec.class.isAssignableFrom(keySpec))
{
return new SecretKeySpec(key.getEncoded(), algName);
}
else if (DESedeKeySpec.class.isAssignableFrom(keySpec))
{
byte[] bytes = key.getEncoded();
try
{
if (bytes.length == 16)
{
byte[] longKey = new byte[24];
System.arraycopy(bytes, 0, longKey, 0, 16);
System.arraycopy(bytes, 0, longKey, 16, 8);
return new DESedeKeySpec(longKey);
}
else
{
return new DESedeKeySpec(bytes);
}
}
catch (Exception e)
{
throw new InvalidKeySpecException(e.toString());
}
}
throw new InvalidKeySpecException("Invalid KeySpec");
}
protected SecretKey engineGenerateSecret(
KeySpec keySpec)
throws InvalidKeySpecException
{
if (keySpec instanceof DESedeKeySpec)
{
DESedeKeySpec desKeySpec = (DESedeKeySpec)keySpec;
return new SecretKeySpec(desKeySpec.getKey(), "DESede");
}
return super.engineGenerateSecret(keySpec);
}
}
public static class Mappings
extends AlgorithmProvider
{
private static final String PREFIX = DESede.class.getName();
private static final String PACKAGE = "org.bouncycastle.jcajce.provider.symmetric"; // JDK 1.2
public Mappings()
{
}
public void configure(ConfigurableProvider provider)
{
provider.addAlgorithm("Cipher.DESEDE", PREFIX + "$ECB");
provider.addAlgorithm("Cipher", PKCSObjectIdentifiers.des_EDE3_CBC, PREFIX + "$CBC");
provider.addAlgorithm("Cipher.DESEDEWRAP", PREFIX + "$Wrap");
provider.addAlgorithm("Cipher", PKCSObjectIdentifiers.id_alg_CMS3DESwrap, PREFIX + "$Wrap");
provider.addAlgorithm("Cipher.DESEDERFC3211WRAP", PREFIX + "$RFC3211");
provider.addAlgorithm("Alg.Alias.Cipher.DESEDERFC3217WRAP", "DESEDEWRAP");
provider.addAlgorithm("Alg.Alias.Cipher.TDEA", "DESEDE");
provider.addAlgorithm("Alg.Alias.Cipher.TDEAWRAP", "DESEDEWRAP");
provider.addAlgorithm("Alg.Alias.KeyGenerator.TDEA", "DESEDE");
provider.addAlgorithm("Alg.Alias.AlgorithmParameters.TDEA", "DESEDE");
provider.addAlgorithm("Alg.Alias.AlgorithmParameterGenerator.TDEA", "DESEDE");
provider.addAlgorithm("Alg.Alias.SecretKeyFactory.TDEA", "DESEDE");
if (provider.hasAlgorithm("MessageDigest", "SHA-1"))
{
provider.addAlgorithm("Cipher.PBEWITHSHAAND3-KEYTRIPLEDES-CBC", PREFIX + "$PBEWithSHAAndDES3Key");
provider.addAlgorithm("Cipher.BROKENPBEWITHSHAAND3-KEYTRIPLEDES-CBC", PREFIX + "$BrokePBEWithSHAAndDES3Key");
provider.addAlgorithm("Cipher.OLDPBEWITHSHAAND3-KEYTRIPLEDES-CBC", PREFIX + "$OldPBEWithSHAAndDES3Key");
provider.addAlgorithm("Cipher.PBEWITHSHAAND2-KEYTRIPLEDES-CBC", PREFIX + "$PBEWithSHAAndDES2Key");
provider.addAlgorithm("Cipher.BROKENPBEWITHSHAAND2-KEYTRIPLEDES-CBC", PREFIX + "$BrokePBEWithSHAAndDES2Key");
provider.addAlgorithm("Alg.Alias.Cipher", PKCSObjectIdentifiers.pbeWithSHAAnd3_KeyTripleDES_CBC, "PBEWITHSHAAND3-KEYTRIPLEDES-CBC");
provider.addAlgorithm("Alg.Alias.Cipher", PKCSObjectIdentifiers.pbeWithSHAAnd2_KeyTripleDES_CBC, "PBEWITHSHAAND2-KEYTRIPLEDES-CBC");
provider.addAlgorithm("Alg.Alias.Cipher.PBEWITHSHA1ANDDESEDE", "PBEWITHSHAAND3-KEYTRIPLEDES-CBC");
provider.addAlgorithm("Alg.Alias.Cipher.PBEWITHSHA1AND3-KEYTRIPLEDES-CBC", "PBEWITHSHAAND3-KEYTRIPLEDES-CBC");
provider.addAlgorithm("Alg.Alias.Cipher.PBEWITHSHA1AND2-KEYTRIPLEDES-CBC", "PBEWITHSHAAND2-KEYTRIPLEDES-CBC");
provider.addAlgorithm("Alg.Alias.Cipher.PBEWITHSHAAND3-KEYDESEDE-CBC", "PBEWITHSHAAND3-KEYTRIPLEDES-CBC");
provider.addAlgorithm("Alg.Alias.Cipher.PBEWITHSHAAND2-KEYDESEDE-CBC", "PBEWITHSHAAND2-KEYTRIPLEDES-CBC");
provider.addAlgorithm("Alg.Alias.Cipher.PBEWITHSHA1AND3-KEYDESEDE-CBC", "PBEWITHSHAAND3-KEYTRIPLEDES-CBC");
provider.addAlgorithm("Alg.Alias.Cipher.PBEWITHSHA1AND2-KEYDESEDE-CBC", "PBEWITHSHAAND2-KEYTRIPLEDES-CBC");
provider.addAlgorithm("Alg.Alias.Cipher.PBEWITHSHA1ANDDESEDE-CBC", "PBEWITHSHAAND3-KEYTRIPLEDES-CBC");
}
provider.addAlgorithm("KeyGenerator.DESEDE", PREFIX + "$KeyGenerator");
provider.addAlgorithm("KeyGenerator." + PKCSObjectIdentifiers.des_EDE3_CBC, PREFIX + "$KeyGenerator3");
provider.addAlgorithm("KeyGenerator.DESEDEWRAP", PREFIX + "$KeyGenerator");
provider.addAlgorithm("SecretKeyFactory.DESEDE", PREFIX + "$KeyFactory");
provider.addAlgorithm("SecretKeyFactory", OIWObjectIdentifiers.desEDE, PREFIX + "$KeyFactory");
provider.addAlgorithm("Mac.DESEDECMAC", PREFIX + "$CMAC");
provider.addAlgorithm("Mac.DESEDEMAC", PREFIX + "$CBCMAC");
provider.addAlgorithm("Alg.Alias.Mac.DESEDE", "DESEDEMAC");
provider.addAlgorithm("Mac.DESEDEMAC/CFB8", PREFIX + "$DESedeCFB8");
provider.addAlgorithm("Alg.Alias.Mac.DESEDE/CFB8", "DESEDEMAC/CFB8");
provider.addAlgorithm("Mac.DESEDEMAC64", PREFIX + "$DESede64");
provider.addAlgorithm("Alg.Alias.Mac.DESEDE64", "DESEDEMAC64");
provider.addAlgorithm("Mac.DESEDEMAC64WITHISO7816-4PADDING", PREFIX + "$DESede64with7816d4");
provider.addAlgorithm("Alg.Alias.Mac.DESEDE64WITHISO7816-4PADDING", "DESEDEMAC64WITHISO7816-4PADDING");
provider.addAlgorithm("Alg.Alias.Mac.DESEDEISO9797ALG1MACWITHISO7816-4PADDING", "DESEDEMAC64WITHISO7816-4PADDING");
provider.addAlgorithm("Alg.Alias.Mac.DESEDEISO9797ALG1WITHISO7816-4PADDING", "DESEDEMAC64WITHISO7816-4PADDING");
provider.addAlgorithm("AlgorithmParameters.DESEDE", PACKAGE + ".util.IvAlgorithmParameters");
provider.addAlgorithm("Alg.Alias.AlgorithmParameters." + PKCSObjectIdentifiers.des_EDE3_CBC, "DESEDE");
provider.addAlgorithm("AlgorithmParameterGenerator.DESEDE", PREFIX + "$AlgParamGen");
provider.addAlgorithm("Alg.Alias.AlgorithmParameterGenerator." + PKCSObjectIdentifiers.des_EDE3_CBC, "DESEDE");
provider.addAlgorithm("SecretKeyFactory.PBEWITHSHAAND3-KEYTRIPLEDES-CBC", PREFIX + "$PBEWithSHAAndDES3KeyFactory");
provider.addAlgorithm("SecretKeyFactory.PBEWITHSHAAND2-KEYTRIPLEDES-CBC", PREFIX + "$PBEWithSHAAndDES2KeyFactory");
provider.addAlgorithm("Alg.Alias.SecretKeyFactory.PBEWITHSHA1ANDDESEDE", "PBEWITHSHAAND3-KEYTRIPLEDES-CBC");
provider.addAlgorithm("Alg.Alias.AlgorithmParameters.PBEWITHSHAAND3-KEYTRIPLEDES", "PKCS12PBE");
provider.addAlgorithm("Alg.Alias.AlgorithmParameters.PBEWITHSHAAND2-KEYTRIPLEDES", "PKCS12PBE");
provider.addAlgorithm("Alg.Alias.AlgorithmParameters.PBEWITHSHAAND3-KEYTRIPLEDES-CBC", "PKCS12PBE");
provider.addAlgorithm("Alg.Alias.AlgorithmParameters.PBEWITHSHAAND2-KEYTRIPLEDES-CBC", "PKCS12PBE");
provider.addAlgorithm("Alg.Alias.AlgorithmParameters.PBEWITHSHAANDDES3KEY-CBC", "PKCS12PBE");
provider.addAlgorithm("Alg.Alias.AlgorithmParameters.PBEWITHSHAANDDES2KEY-CBC", "PKCS12PBE");
provider.addAlgorithm("Alg.Alias.SecretKeyFactory.PBE", "PBEWITHSHAAND3-KEYTRIPLEDES-CBC");
provider.addAlgorithm("Alg.Alias.SecretKeyFactory.1.2.840.113549.1.12.1.3", "PBEWITHSHAAND3-KEYTRIPLEDES-CBC");
provider.addAlgorithm("Alg.Alias.SecretKeyFactory.1.2.840.113549.1.12.1.4", "PBEWITHSHAAND2-KEYTRIPLEDES-CBC");
provider.addAlgorithm("Alg.Alias.SecretKeyFactory.PBEWithSHAAnd3KeyTripleDES", "PBEWITHSHAAND3-KEYTRIPLEDES-CBC");
provider.addAlgorithm("Alg.Alias.AlgorithmParameters.1.2.840.113549.1.12.1.3", "PKCS12PBE");
provider.addAlgorithm("Alg.Alias.AlgorithmParameters.1.2.840.113549.1.12.1.4", "PKCS12PBE");
provider.addAlgorithm("Alg.Alias.Cipher.PBEWithSHAAnd3KeyTripleDES", "PBEWITHSHAAND3-KEYTRIPLEDES-CBC");
}
}
}
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